diff --git a/aclocal.m4 b/aclocal.m4
new file mode 100644
index 0000000..4c8e818
--- /dev/null
+++ b/aclocal.m4
@@ -0,0 +1,5624 @@
+dnl***************************************************************************
+dnl Copyright (c) 1998-2007,2008 Free Software Foundation, Inc.              *
+dnl                                                                          *
+dnl Permission is hereby granted, free of charge, to any person obtaining a  *
+dnl copy of this software and associated documentation files (the            *
+dnl "Software"), to deal in the Software without restriction, including      *
+dnl without limitation the rights to use, copy, modify, merge, publish,      *
+dnl distribute, distribute with modifications, sublicense, and/or sell       *
+dnl copies of the Software, and to permit persons to whom the Software is    *
+dnl furnished to do so, subject to the following conditions:                 *
+dnl                                                                          *
+dnl The above copyright notice and this permission notice shall be included  *
+dnl in all copies or substantial portions of the Software.                   *
+dnl                                                                          *
+dnl THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
+dnl OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
+dnl MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
+dnl IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
+dnl DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
+dnl OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
+dnl THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
+dnl                                                                          *
+dnl Except as contained in this notice, the name(s) of the above copyright   *
+dnl holders shall not be used in advertising or otherwise to promote the     *
+dnl sale, use or other dealings in this Software without prior written       *
+dnl authorization.                                                           *
+dnl***************************************************************************
+dnl
+dnl Author: Thomas E. Dickey 1995-on
+dnl
+dnl $Id: aclocal.m4,v 1.470 2008/10/25 22:15:32 tom Exp $
+dnl Macros used in NCURSES auto-configuration script.
+dnl
+dnl These macros are maintained separately from NCURSES.  The copyright on
+dnl this file applies to the aggregation of macros and does not affect use of
+dnl these macros in other applications.
+dnl
+dnl See http://invisible-island.net/autoconf/ for additional information.
+dnl
+dnl ---------------------------------------------------------------------------
+dnl ---------------------------------------------------------------------------
+dnl AM_LANGINFO_CODESET version: 3 updated: 2002/10/27 23:21:42
+dnl -------------------
+dnl Inserted as requested by gettext 0.10.40
+dnl File from /usr/share/aclocal
+dnl codeset.m4
+dnl ====================
+dnl serial AM1
+dnl
+dnl From Bruno Haible.
+AC_DEFUN([AM_LANGINFO_CODESET],
+[
+  AC_CACHE_CHECK([for nl_langinfo and CODESET], am_cv_langinfo_codeset,
+    [AC_TRY_LINK([#include <langinfo.h>],
+      [char* cs = nl_langinfo(CODESET);],
+      am_cv_langinfo_codeset=yes,
+      am_cv_langinfo_codeset=no)
+    ])
+  if test $am_cv_langinfo_codeset = yes; then
+    AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
+      [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
+  fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_ADA_INCLUDE_DIRS version: 5 updated: 2006/10/14 15:23:15
+dnl -------------------
+dnl Construct the list of include-options for the C programs in the Ada95
+dnl binding.
+AC_DEFUN([CF_ADA_INCLUDE_DIRS],
+[
+ACPPFLAGS="-I. -I../../include $ACPPFLAGS"
+if test "$srcdir" != "."; then
+	ACPPFLAGS="-I\${srcdir}/../../include $ACPPFLAGS"
+fi
+if test "$GCC" != yes; then
+	ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
+elif test "$includedir" != "/usr/include"; then
+	if test "$includedir" = '${prefix}/include' ; then
+		if test $prefix != /usr ; then
+			ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
+		fi
+	else
+		ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
+	fi
+fi
+AC_SUBST(ACPPFLAGS)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_ADD_CFLAGS version: 7 updated: 2004/04/25 17:48:30
+dnl -------------
+dnl Copy non-preprocessor flags to $CFLAGS, preprocessor flags to $CPPFLAGS
+dnl The second parameter if given makes this macro verbose.
+dnl
+dnl Put any preprocessor definitions that use quoted strings in $EXTRA_CPPFLAGS,
+dnl to simplify use of $CPPFLAGS in compiler checks, etc., that are easily
+dnl confused by the quotes (which require backslashes to keep them usable).
+AC_DEFUN([CF_ADD_CFLAGS],
+[
+cf_fix_cppflags=no
+cf_new_cflags=
+cf_new_cppflags=
+cf_new_extra_cppflags=
+
+for cf_add_cflags in $1
+do
+case $cf_fix_cppflags in
+no)
+	case $cf_add_cflags in #(vi
+	-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C) #(vi
+		case $cf_add_cflags in
+		-D*)
+			cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[[^=]]*='\''\"[[^"]]*//'`
+
+			test "${cf_add_cflags}" != "${cf_tst_cflags}" \
+			&& test -z "${cf_tst_cflags}" \
+			&& cf_fix_cppflags=yes
+
+			if test $cf_fix_cppflags = yes ; then
+				cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
+				continue
+			elif test "${cf_tst_cflags}" = "\"'" ; then
+				cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
+				continue
+			fi
+			;;
+		esac
+		case "$CPPFLAGS" in
+		*$cf_add_cflags) #(vi
+			;;
+		*) #(vi
+			cf_new_cppflags="$cf_new_cppflags $cf_add_cflags"
+			;;
+		esac
+		;;
+	*)
+		cf_new_cflags="$cf_new_cflags $cf_add_cflags"
+		;;
+	esac
+	;;
+yes)
+	cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
+
+	cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[[^"]]*"'\''//'`
+
+	test "${cf_add_cflags}" != "${cf_tst_cflags}" \
+	&& test -z "${cf_tst_cflags}" \
+	&& cf_fix_cppflags=no
+	;;
+esac
+done
+
+if test -n "$cf_new_cflags" ; then
+	ifelse($2,,,[CF_VERBOSE(add to \$CFLAGS $cf_new_cflags)])
+	CFLAGS="$CFLAGS $cf_new_cflags"
+fi
+
+if test -n "$cf_new_cppflags" ; then
+	ifelse($2,,,[CF_VERBOSE(add to \$CPPFLAGS $cf_new_cppflags)])
+	CPPFLAGS="$cf_new_cppflags $CPPFLAGS"
+fi
+
+if test -n "$cf_new_extra_cppflags" ; then
+	ifelse($2,,,[CF_VERBOSE(add to \$EXTRA_CPPFLAGS $cf_new_extra_cppflags)])
+	EXTRA_CPPFLAGS="$cf_new_extra_cppflags $EXTRA_CPPFLAGS"
+fi
+
+AC_SUBST(EXTRA_CPPFLAGS)
+
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_ADD_INCDIR version: 9 updated: 2008/02/09 13:15:34
+dnl -------------
+dnl Add an include-directory to $CPPFLAGS.  Don't add /usr/include, since it's
+dnl redundant.  We don't normally need to add -I/usr/local/include for gcc,
+dnl but old versions (and some misinstalled ones) need that.  To make things
+dnl worse, gcc 3.x may give error messages if -I/usr/local/include is added to
+dnl the include-path).
+AC_DEFUN([CF_ADD_INCDIR],
+[
+if test -n "$1" ; then
+  for cf_add_incdir in $1
+  do
+	while test $cf_add_incdir != /usr/include
+	do
+	  if test -d $cf_add_incdir
+	  then
+		cf_have_incdir=no
+		if test -n "$CFLAGS$CPPFLAGS" ; then
+		  # a loop is needed to ensure we can add subdirs of existing dirs
+		  for cf_test_incdir in $CFLAGS $CPPFLAGS ; do
+			if test ".$cf_test_incdir" = ".-I$cf_add_incdir" ; then
+			  cf_have_incdir=yes; break
+			fi
+		  done
+		fi
+
+		if test "$cf_have_incdir" = no ; then
+          if test "$cf_add_incdir" = /usr/local/include ; then
+			if test "$GCC" = yes
+			then
+			  cf_save_CPPFLAGS=$CPPFLAGS
+			  CPPFLAGS="$CPPFLAGS -I$cf_add_incdir"
+			  AC_TRY_COMPILE([#include <stdio.h>],
+				  [printf("Hello")],
+				  [],
+				  [cf_have_incdir=yes])
+			  CPPFLAGS=$cf_save_CPPFLAGS
+			fi
+		  fi
+		fi
+
+		if test "$cf_have_incdir" = no ; then
+		  CF_VERBOSE(adding $cf_add_incdir to include-path)
+		  ifelse($2,,CPPFLAGS,$2)="-I$cf_add_incdir $ifelse($2,,CPPFLAGS,[$]$2)"
+
+          cf_top_incdir=`echo $cf_add_incdir | sed -e 's%/include/.*$%/include%'`
+          test "$cf_top_incdir" = "$cf_add_incdir" && break
+          cf_add_incdir="$cf_top_incdir"
+		else
+		  break
+		fi
+	  fi
+	done
+  done
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_ADD_LIBDIR version: 6 updated: 2008/02/09 13:15:34
+dnl -------------
+dnl	Adds to the library-path
+dnl
+dnl	Some machines have trouble with multiple -L options.
+dnl
+dnl $1 is the (list of) directory(s) to add
+dnl $2 is the optional name of the variable to update (default LDFLAGS)
+dnl
+AC_DEFUN([CF_ADD_LIBDIR],
+[
+if test -n "$1" ; then
+  for cf_add_libdir in $1
+  do
+    if test $cf_add_libdir = /usr/lib ; then
+      :
+    elif test -d $cf_add_libdir
+    then
+      cf_have_libdir=no
+      if test -n "$LDFLAGS$LIBS" ; then
+        # a loop is needed to ensure we can add subdirs of existing dirs
+        for cf_test_libdir in $LDFLAGS $LIBS ; do
+          if test ".$cf_test_libdir" = ".-L$cf_add_libdir" ; then
+            cf_have_libdir=yes; break
+          fi
+        done
+      fi
+      if test "$cf_have_libdir" = no ; then
+        CF_VERBOSE(adding $cf_add_libdir to library-path)
+        ifelse($2,,LDFLAGS,$2)="-L$cf_add_libdir $ifelse($2,,LDFLAGS,[$]$2)"
+      fi
+    fi
+  done
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_ADD_SUBDIR_PATH version: 2 updated: 2007/07/29 10:12:59
+dnl ------------------
+dnl Append to a search-list for a nonstandard header/lib-file
+dnl	$1 = the variable to return as result
+dnl	$2 = the package name
+dnl	$3 = the subdirectory, e.g., bin, include or lib
+dnl $4 = the directory under which we will test for subdirectories
+dnl $5 = a directory that we do not want $4 to match
+AC_DEFUN([CF_ADD_SUBDIR_PATH],
+[
+test "$4" != "$5" && \
+test -d "$4" && \
+ifelse([$5],NONE,,[(test $5 = NONE || test -d $5) &&]) {
+	test -n "$verbose" && echo "	... testing for $3-directories under $4"
+	test -d $4/$3 &&          $1="[$]$1 $4/$3"
+	test -d $4/$3/$2 &&       $1="[$]$1 $4/$3/$2"
+	test -d $4/$3/$2/$3 &&    $1="[$]$1 $4/$3/$2/$3"
+	test -d $4/$2/$3 &&       $1="[$]$1 $4/$2/$3"
+	test -d $4/$2/$3/$2 &&    $1="[$]$1 $4/$2/$3/$2"
+}
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_ANSI_CC_CHECK version: 9 updated: 2001/12/30 17:53:34
+dnl ----------------
+dnl This is adapted from the macros 'fp_PROG_CC_STDC' and 'fp_C_PROTOTYPES'
+dnl in the sharutils 4.2 distribution.
+AC_DEFUN([CF_ANSI_CC_CHECK],
+[
+AC_CACHE_CHECK(for ${CC-cc} option to accept ANSI C, cf_cv_ansi_cc,[
+cf_cv_ansi_cc=no
+cf_save_CFLAGS="$CFLAGS"
+cf_save_CPPFLAGS="$CPPFLAGS"
+# Don't try gcc -ansi; that turns off useful extensions and
+# breaks some systems' header files.
+# AIX			-qlanglvl=ansi
+# Ultrix and OSF/1	-std1
+# HP-UX			-Aa -D_HPUX_SOURCE
+# SVR4			-Xc
+# UnixWare 1.2		(cannot use -Xc, since ANSI/POSIX clashes)
+for cf_arg in "-DCC_HAS_PROTOS" \
+	"" \
+	-qlanglvl=ansi \
+	-std1 \
+	-Ae \
+	"-Aa -D_HPUX_SOURCE" \
+	-Xc
+do
+	CF_ADD_CFLAGS($cf_arg)
+	AC_TRY_COMPILE(
+[
+#ifndef CC_HAS_PROTOS
+#if !defined(__STDC__) || (__STDC__ != 1)
+choke me
+#endif
+#endif
+],[
+	int test (int i, double x);
+	struct s1 {int (*f) (int a);};
+	struct s2 {int (*f) (double a);};],
+	[cf_cv_ansi_cc="$cf_arg"; break])
+done
+CFLAGS="$cf_save_CFLAGS"
+CPPFLAGS="$cf_save_CPPFLAGS"
+])
+
+if test "$cf_cv_ansi_cc" != "no"; then
+if test ".$cf_cv_ansi_cc" != ".-DCC_HAS_PROTOS"; then
+	CF_ADD_CFLAGS($cf_cv_ansi_cc)
+else
+	AC_DEFINE(CC_HAS_PROTOS)
+fi
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_ANSI_CC_REQD version: 4 updated: 2008/03/23 14:48:54
+dnl ---------------
+dnl For programs that must use an ANSI compiler, obtain compiler options that
+dnl will make it recognize prototypes.  We'll do preprocessor checks in other
+dnl macros, since tools such as unproto can fake prototypes, but only part of
+dnl the preprocessor.
+AC_DEFUN([CF_ANSI_CC_REQD],
+[AC_REQUIRE([CF_ANSI_CC_CHECK])
+if test "$cf_cv_ansi_cc" = "no"; then
+	AC_MSG_ERROR(
+[Your compiler does not appear to recognize prototypes.
+You have the following choices:
+	a. adjust your compiler options
+	b. get an up-to-date compiler
+	c. use a wrapper such as unproto])
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_AWK_BIG_PRINTF version: 2 updated: 2008/10/04 17:16:18
+dnl -----------------
+dnl Check if awk can handle big strings using printf.  Some older versions of
+dnl awk choke on large strings passed via "%s".
+dnl
+dnl $1 = desired string size
+dnl $2 = variable to set with result
+AC_DEFUN([CF_AWK_BIG_PRINTF],
+[
+    case x$AWK in #(vi
+    x)
+        eval $2=no
+        ;;
+    *) #(vi
+        if ( ${AWK} 'BEGIN { xx = "x"; while (length(xx) < $1) { xx = xx "x"; }; printf("%s\n", xx); }' \
+            | $AWK '{ printf "%d\n", length([$]0); }' | $AWK 'BEGIN { eqls=0; recs=0; } { recs++; if ([$]0 == 12000) eqls++; } END { if (recs != 1 || eqls != 1) exit 1; }' 2>/dev/null >/dev/null ) ; then
+            eval $2=yes
+        else
+            eval $2=no
+        fi
+        ;;
+    esac
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_BOOL_DECL version: 8 updated: 2004/01/30 15:51:18
+dnl ------------
+dnl Test if 'bool' is a builtin type in the configured C++ compiler.  Some
+dnl older compilers (e.g., gcc 2.5.8) don't support 'bool' directly; gcc
+dnl 2.6.3 does, in anticipation of the ANSI C++ standard.
+dnl
+dnl Treat the configuration-variable specially here, since we're directly
+dnl substituting its value (i.e., 1/0).
+dnl
+dnl $1 is the shell variable to store the result in, if not $cv_cv_builtin_bool
+AC_DEFUN([CF_BOOL_DECL],
+[
+AC_MSG_CHECKING(if we should include stdbool.h)
+
+AC_CACHE_VAL(cf_cv_header_stdbool_h,[
+	AC_TRY_COMPILE([],[bool foo = false],
+		[cf_cv_header_stdbool_h=0],
+		[AC_TRY_COMPILE([
+#ifndef __BEOS__
+#include <stdbool.h>
+#endif
+],[bool foo = false],
+			[cf_cv_header_stdbool_h=1],
+			[cf_cv_header_stdbool_h=0])])])
+
+if test "$cf_cv_header_stdbool_h" = 1
+then	AC_MSG_RESULT(yes)
+else	AC_MSG_RESULT(no)
+fi
+
+AC_MSG_CHECKING([for builtin bool type])
+
+AC_CACHE_VAL(ifelse($1,,cf_cv_builtin_bool,[$1]),[
+	AC_TRY_COMPILE([
+#include <stdio.h>
+#include <sys/types.h>
+],[bool x = false],
+		[ifelse($1,,cf_cv_builtin_bool,[$1])=1],
+		[ifelse($1,,cf_cv_builtin_bool,[$1])=0])
+	])
+
+if test "$ifelse($1,,cf_cv_builtin_bool,[$1])" = 1
+then	AC_MSG_RESULT(yes)
+else	AC_MSG_RESULT(no)
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_BOOL_SIZE version: 12 updated: 2006/12/16 12:33:30
+dnl ------------
+dnl Test for the size of 'bool' in the configured C++ compiler (e.g., a type).
+dnl Don't bother looking for bool.h, since it's been deprecated.
+dnl
+dnl If the current compiler is C rather than C++, we get the bool definition
+dnl from <stdbool.h>.
+AC_DEFUN([CF_BOOL_SIZE],
+[
+AC_MSG_CHECKING([for size of bool])
+AC_CACHE_VAL(cf_cv_type_of_bool,[
+	rm -f cf_test.out
+	AC_TRY_RUN([
+#include <stdlib.h>
+#include <stdio.h>
+
+#if defined(__cplusplus)
+
+#ifdef HAVE_GXX_BUILTIN_H
+#include <g++/builtin.h>
+#elif HAVE_GPP_BUILTIN_H
+#include <gpp/builtin.h>
+#elif HAVE_BUILTIN_H
+#include <builtin.h>
+#endif
+
+#else
+
+#if $cf_cv_header_stdbool_h
+#include <stdbool.h>
+#endif
+
+#endif
+
+main()
+{
+	FILE *fp = fopen("cf_test.out", "w");
+	if (fp != 0) {
+		bool x = true;
+		if ((bool)(-x) >= 0)
+			fputs("unsigned ", fp);
+		if (sizeof(x) == sizeof(int))       fputs("int",  fp);
+		else if (sizeof(x) == sizeof(char)) fputs("char", fp);
+		else if (sizeof(x) == sizeof(short))fputs("short",fp);
+		else if (sizeof(x) == sizeof(long)) fputs("long", fp);
+		fclose(fp);
+	}
+	${cf_cv_main_return:-return}(0);
+}
+		],
+		[cf_cv_type_of_bool=`cat cf_test.out`
+		 if test -z "$cf_cv_type_of_bool"; then
+		   cf_cv_type_of_bool=unknown
+		 fi],
+		[cf_cv_type_of_bool=unknown],
+		[cf_cv_type_of_bool=unknown])
+	])
+	rm -f cf_test.out
+AC_MSG_RESULT($cf_cv_type_of_bool)
+if test "$cf_cv_type_of_bool" = unknown ; then
+	case .$NCURSES_BOOL in #(vi
+	.auto|.) NCURSES_BOOL=unsigned;;
+	esac
+	AC_MSG_WARN(Assuming $NCURSES_BOOL for type of bool)
+	cf_cv_type_of_bool=$NCURSES_BOOL
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_BUILD_CC version: 6 updated: 2006/10/14 15:23:15
+dnl -----------
+dnl If we're cross-compiling, allow the user to override the tools and their
+dnl options.  The configure script is oriented toward identifying the host
+dnl compiler, etc., but we need a build compiler to generate parts of the
+dnl source.
+dnl
+dnl $1 = default for $CPPFLAGS
+dnl $2 = default for $LIBS
+AC_DEFUN([CF_BUILD_CC],[
+AC_REQUIRE([CF_PROG_EXT])
+if test "$cross_compiling" = yes ; then
+
+	# defaults that we might want to override
+	: ${BUILD_CFLAGS:=''}
+	: ${BUILD_CPPFLAGS:='ifelse([$1],,,[$1])'}
+	: ${BUILD_LDFLAGS:=''}
+	: ${BUILD_LIBS:='ifelse([$2],,,[$2])'}
+	: ${BUILD_EXEEXT:='$x'}
+	: ${BUILD_OBJEXT:='o'}
+
+	AC_ARG_WITH(build-cc,
+		[  --with-build-cc=XXX     the build C compiler ($BUILD_CC)],
+		[BUILD_CC="$withval"],
+		[AC_CHECK_PROGS(BUILD_CC, gcc cc cl)])
+	AC_MSG_CHECKING(for native build C compiler)
+	AC_MSG_RESULT($BUILD_CC)
+
+	AC_MSG_CHECKING(for native build C preprocessor)
+	AC_ARG_WITH(build-cpp,
+		[  --with-build-cpp=XXX    the build C preprocessor ($BUILD_CPP)],
+		[BUILD_CPP="$withval"],
+		[BUILD_CPP='${BUILD_CC} -E'])
+	AC_MSG_RESULT($BUILD_CPP)
+
+	AC_MSG_CHECKING(for native build C flags)
+	AC_ARG_WITH(build-cflags,
+		[  --with-build-cflags=XXX the build C compiler-flags ($BUILD_CFLAGS)],
+		[BUILD_CFLAGS="$withval"])
+	AC_MSG_RESULT($BUILD_CFLAGS)
+
+	AC_MSG_CHECKING(for native build C preprocessor-flags)
+	AC_ARG_WITH(build-cppflags,
+		[  --with-build-cppflags=XXX the build C preprocessor-flags ($BUILD_CPPFLAGS)],
+		[BUILD_CPPFLAGS="$withval"])
+	AC_MSG_RESULT($BUILD_CPPFLAGS)
+
+	AC_MSG_CHECKING(for native build linker-flags)
+	AC_ARG_WITH(build-ldflags,
+		[  --with-build-ldflags=XXX the build linker-flags ($BUILD_LDFLAGS)],
+		[BUILD_LDFLAGS="$withval"])
+	AC_MSG_RESULT($BUILD_LDFLAGS)
+
+	AC_MSG_CHECKING(for native build linker-libraries)
+	AC_ARG_WITH(build-libs,
+		[  --with-build-libs=XXX   the build libraries (${BUILD_LIBS})],
+		[BUILD_LIBS="$withval"])
+	AC_MSG_RESULT($BUILD_LIBS)
+
+	# this assumes we're on Unix.
+	BUILD_EXEEXT=
+	BUILD_OBJEXT=o
+
+	: ${BUILD_CC:='${CC}'}
+
+	if ( test "$BUILD_CC" = "$CC" || test "$BUILD_CC" = '${CC}' ) ; then
+		AC_MSG_ERROR([Cross-build requires two compilers.
+Use --with-build-cc to specify the native compiler.])
+	fi
+
+else
+	: ${BUILD_CC:='${CC}'}
+	: ${BUILD_CPP:='${CPP}'}
+	: ${BUILD_CFLAGS:='${CFLAGS}'}
+	: ${BUILD_CPPFLAGS:='${CPPFLAGS}'}
+	: ${BUILD_LDFLAGS:='${LDFLAGS}'}
+	: ${BUILD_LIBS:='${LIBS}'}
+	: ${BUILD_EXEEXT:='$x'}
+	: ${BUILD_OBJEXT:='o'}
+fi
+
+AC_SUBST(BUILD_CC)
+AC_SUBST(BUILD_CPP)
+AC_SUBST(BUILD_CFLAGS)
+AC_SUBST(BUILD_CPPFLAGS)
+AC_SUBST(BUILD_LDFLAGS)
+AC_SUBST(BUILD_LIBS)
+AC_SUBST(BUILD_EXEEXT)
+AC_SUBST(BUILD_OBJEXT)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_CFG_DEFAULTS version: 7 updated: 2005/09/24 16:15:00
+dnl ---------------
+dnl Determine the default configuration into which we'll install ncurses.  This
+dnl can be overridden by the user's command-line options.  There's two items to
+dnl look for:
+dnl	1. the prefix (e.g., /usr)
+dnl	2. the header files (e.g., /usr/include/ncurses)
+dnl We'll look for a previous installation of ncurses and use the same defaults.
+dnl
+dnl We don't use AC_PREFIX_DEFAULT, because it gets evaluated too soon, and
+dnl we don't use AC_PREFIX_PROGRAM, because we cannot distinguish ncurses's
+dnl programs from a vendor's.
+AC_DEFUN([CF_CFG_DEFAULTS],
+[
+AC_MSG_CHECKING(for prefix)
+if test "x$prefix" = "xNONE" ; then
+	case "$cf_cv_system_name" in
+		# non-vendor systems don't have a conflict
+	openbsd*|freebsd*|linux*|cygwin*|k*bsd*-gnu)
+		prefix=/usr
+		;;
+	*)	prefix=$ac_default_prefix
+		;;
+	esac
+fi
+AC_MSG_RESULT($prefix)
+
+if test "x$prefix" = "xNONE" ; then
+AC_MSG_CHECKING(for default include-directory)
+test -n "$verbose" && echo 1>&AC_FD_MSG
+for cf_symbol in \
+	$includedir \
+	$includedir/ncurses \
+	$prefix/include \
+	$prefix/include/ncurses \
+	/usr/local/include \
+	/usr/local/include/ncurses \
+	/usr/include \
+	/usr/include/ncurses
+do
+	cf_dir=`eval echo $cf_symbol`
+	if test -f $cf_dir/curses.h ; then
+	if ( fgrep NCURSES_VERSION $cf_dir/curses.h 2>&1 >/dev/null ) ; then
+		includedir="$cf_symbol"
+		test -n "$verbose"  && echo $ac_n "	found " 1>&AC_FD_MSG
+		break
+	fi
+	fi
+	test -n "$verbose"  && echo "	tested $cf_dir" 1>&AC_FD_MSG
+done
+AC_MSG_RESULT($includedir)
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_CGETENT version: 3 updated: 2000/08/12 23:18:52
+dnl ----------
+dnl Check if the terminal-capability database functions are available.  If not,
+dnl ncurses has a much-reduced version.
+AC_DEFUN([CF_CGETENT],[
+AC_MSG_CHECKING(for terminal-capability database functions)
+AC_CACHE_VAL(cf_cv_cgetent,[
+AC_TRY_LINK([
+#include <stdlib.h>],[
+	char temp[128];
+	char *buf = temp;
+	char *db_array = temp;
+	cgetent(&buf, /* int *, */ &db_array, "vt100");
+	cgetcap(buf, "tc", '=');
+	cgetmatch(buf, "tc");
+	],
+	[cf_cv_cgetent=yes],
+	[cf_cv_cgetent=no])
+])
+AC_MSG_RESULT($cf_cv_cgetent)
+test "$cf_cv_cgetent" = yes && AC_DEFINE(HAVE_BSD_CGETENT)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_CHECK_CACHE version: 11 updated: 2008/03/23 14:45:59
+dnl --------------
+dnl Check if we're accidentally using a cache from a different machine.
+dnl Derive the system name, as a check for reusing the autoconf cache.
+dnl
+dnl If we've packaged config.guess and config.sub, run that (since it does a
+dnl better job than uname).  Normally we'll use AC_CANONICAL_HOST, but allow
+dnl an extra parameter that we may override, e.g., for AC_CANONICAL_SYSTEM
+dnl which is useful in cross-compiles.
+dnl
+dnl Note: we would use $ac_config_sub, but that is one of the places where
+dnl autoconf 2.5x broke compatibility with autoconf 2.13
+AC_DEFUN([CF_CHECK_CACHE],
+[
+if test -f $srcdir/config.guess || test -f $ac_aux_dir/config.guess ; then
+	ifelse([$1],,[AC_CANONICAL_HOST],[$1])
+	system_name="$host_os"
+else
+	system_name="`(uname -s -r) 2>/dev/null`"
+	if test -z "$system_name" ; then
+		system_name="`(hostname) 2>/dev/null`"
+	fi
+fi
+test -n "$system_name" && AC_DEFINE_UNQUOTED(SYSTEM_NAME,"$system_name")
+AC_CACHE_VAL(cf_cv_system_name,[cf_cv_system_name="$system_name"])
+
+test -z "$system_name" && system_name="$cf_cv_system_name"
+test -n "$cf_cv_system_name" && AC_MSG_RESULT(Configuring for $cf_cv_system_name)
+
+if test ".$system_name" != ".$cf_cv_system_name" ; then
+	AC_MSG_RESULT(Cached system name ($system_name) does not agree with actual ($cf_cv_system_name))
+	AC_MSG_ERROR("Please remove config.cache and try again.")
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_CHECK_ERRNO version: 10 updated: 2008/08/22 16:33:22
+dnl --------------
+dnl Check for data that is usually declared in <stdio.h> or <errno.h>, e.g.,
+dnl the 'errno' variable.  Define a DECL_xxx symbol if we must declare it
+dnl ourselves.
+dnl
+dnl $1 = the name to check
+dnl $2 = the assumed type
+AC_DEFUN([CF_CHECK_ERRNO],
+[
+AC_CACHE_CHECK(if external $1 is declared, cf_cv_dcl_$1,[
+    AC_TRY_COMPILE([
+#ifdef HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
+#include <stdio.h>
+#include <sys/types.h>
+#include <errno.h> ],
+    ifelse($2,,int,$2) x = (ifelse($2,,int,$2)) $1,
+    [cf_cv_dcl_$1=yes],
+    [cf_cv_dcl_$1=no])
+])
+
+if test "$cf_cv_dcl_$1" = no ; then
+    CF_UPPER(cf_result,decl_$1)
+    AC_DEFINE_UNQUOTED($cf_result)
+fi
+
+# It's possible (for near-UNIX clones) that the data doesn't exist
+CF_CHECK_EXTERN_DATA($1,ifelse($2,,int,$2))
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_CHECK_EXTERN_DATA version: 3 updated: 2001/12/30 18:03:23
+dnl --------------------
+dnl Check for existence of external data in the current set of libraries.  If
+dnl we can modify it, it's real enough.
+dnl $1 = the name to check
+dnl $2 = its type
+AC_DEFUN([CF_CHECK_EXTERN_DATA],
+[
+AC_CACHE_CHECK(if external $1 exists, cf_cv_have_$1,[
+    AC_TRY_LINK([
+#undef $1
+extern $2 $1;
+],
+    [$1 = 2],
+    [cf_cv_have_$1=yes],
+    [cf_cv_have_$1=no])
+])
+
+if test "$cf_cv_have_$1" = yes ; then
+    CF_UPPER(cf_result,have_$1)
+    AC_DEFINE_UNQUOTED($cf_result)
+fi
+
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_CHECK_GPM_WGETCH version: 1 updated: 2007/04/28 14:38:06
+dnl -------------------
+dnl Check if GPM is already linked with curses.  If so - and if the linkage
+dnl is not "weak" - warn about this because it can create problems linking
+dnl applications with ncurses.
+AC_DEFUN([CF_CHECK_GPM_WGETCH],[
+AC_CHECK_LIB(gpm,Gpm_Wgetch,[
+
+AC_CACHE_CHECK(if GPM is weakly bound to curses library, cf_cv_check_gpm_wgetch,[
+cf_cv_check_gpm_wgetch=unknown
+if test "$cross_compiling" != yes ; then
+
+cat >conftest.$ac_ext <<CF_EOF
+#include <gpm.h>
+int main()
+{
+	Gpm_Wgetch();
+	${cf_cv_main_return:-return}(0);
+}
+CF_EOF
+
+	cf_save_LIBS="$LIBS"
+	# This only works if we can look at the symbol table.  If a shared
+	# library is stripped for install, we cannot use that.  So we're forced
+	# to rely on the static library, noting that some packagers may not
+	# include it.
+	LIBS="-static -lgpm -dynamic $LIBS"
+	if AC_TRY_EVAL(ac_compile) ; then
+		if AC_TRY_EVAL(ac_link) ; then
+			cf_cv_check_gpm_wgetch=`nm conftest$ac_exeext | egrep '\<wgetch\>' | egrep '\<[[vVwW]]\>'`
+			test -n "$cf_cv_check_gpm_wgetch" && cf_cv_check_gpm_wgetch=yes
+			test -z "$cf_cv_check_gpm_wgetch" && cf_cv_check_gpm_wgetch=no
+		fi
+	fi
+	rm -f conftest*
+	LIBS="$cf_save_LIBS"
+fi
+])
+
+if test "$cf_cv_check_gpm_wgetch" != yes ; then
+	AC_MSG_WARN(GPM library is already linked with curses - read the FAQ)
+fi
+])])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_CPP_PARAM_INIT version: 4 updated: 2001/04/07 22:31:18
+dnl -----------------
+dnl Check if the C++ compiler accepts duplicate parameter initialization.  This
+dnl is a late feature for the standard and is not in some recent compilers
+dnl (1999/9/11).
+AC_DEFUN([CF_CPP_PARAM_INIT],
+[
+if test -n "$CXX"; then
+AC_CACHE_CHECK(if $CXX accepts parameter initialization,cf_cv_cpp_param_init,[
+	AC_LANG_SAVE
+	AC_LANG_CPLUSPLUS
+	AC_TRY_RUN([
+class TEST {
+private:
+	int value;
+public:
+	TEST(int x = 1);
+	~TEST();
+};
+
+TEST::TEST(int x = 1)	// some compilers do not like second initializer
+{
+	value = x;
+}
+void main() { }
+],
+	[cf_cv_cpp_param_init=yes],
+	[cf_cv_cpp_param_init=no],
+	[cf_cv_cpp_param_init=unknown])
+	AC_LANG_RESTORE
+])
+fi
+test "$cf_cv_cpp_param_init" = yes && AC_DEFINE(CPP_HAS_PARAM_INIT)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_CPP_STATIC_CAST version: 1 updated: 2005/07/23 16:52:43
+dnl ------------------
+dnl Check if the C++ compiler accepts static_cast in generics.  This appears to
+dnl not be supported in g++ before 3.0
+AC_DEFUN([CF_CPP_STATIC_CAST],
+[
+if test -n "$CXX"; then
+
+AC_CACHE_CHECK(if $CXX accepts static_cast,cf_cv_cpp_static_cast,[
+	AC_LANG_SAVE
+	AC_LANG_CPLUSPLUS
+
+	AC_TRY_COMPILE([
+class NCursesPanel
+{
+public:
+  NCursesPanel(int nlines,
+	       int ncols,
+	       int begin_y = 0,
+	       int begin_x = 0)
+  {
+  }
+
+  ~NCursesPanel();
+};
+
+template<class T> class NCursesUserPanel : public NCursesPanel
+{
+public:
+  NCursesUserPanel (int nlines,
+		    int ncols,
+		    int begin_y = 0,
+		    int begin_x = 0,
+		    const T* p_UserData = static_cast<T*>(0))
+    : NCursesPanel (nlines, ncols, begin_y, begin_x)
+  {
+  };
+  NCursesUserPanel(const T* p_UserData = static_cast<T*>(0)) : NCursesPanel()
+  {
+  };
+
+  virtual ~NCursesUserPanel() {};
+};
+],[
+	const char* p_UserData = static_cast<char*>(0)],
+	[cf_cv_cpp_static_cast=yes],
+	[cf_cv_cpp_static_cast=no])
+
+	AC_LANG_RESTORE
+])
+
+fi
+
+test "$cf_cv_cpp_static_cast" = yes && AC_DEFINE(CPP_HAS_STATIC_CAST)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_C_INLINE version: 2 updated: 2007/08/11 14:09:50
+dnl -----------
+dnl Check if the C compiler supports "inline".
+dnl $1 is the name of a shell variable to set if inline is supported
+dnl $2 is the threshold for gcc 4.x's option controlling maximum inline size
+AC_DEFUN([CF_C_INLINE],[
+AC_C_INLINE
+$1=
+if test "$ac_cv_c_inline" != no ; then
+  $1=inline
+  if test "$INTEL_COMPILER" = yes
+  then
+    :
+  elif test "$GCC" = yes
+  then
+    AC_CACHE_CHECK(if gcc supports options to tune inlining,cf_cv_gcc_inline,[
+      cf_save_CFLAGS=$CFLAGS
+      CFLAGS="$CFLAGS --param max-inline-insns-single=$2"
+      AC_TRY_COMPILE([inline int foo(void) { return 1; }],
+      [${cf_cv_main_return:-return} foo()],
+      [cf_cv_gcc_inline=yes],
+      [cf_cv_gcc_inline=no])
+      CFLAGS=$cf_save_CFLAGS
+    ])
+    if test "$cf_cv_gcc_inline" = yes ; then
+        CF_ADD_CFLAGS([--param max-inline-insns-single=$2])
+    fi
+  fi
+fi
+AC_SUBST($1)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_DIRNAME version: 4 updated: 2002/12/21 19:25:52
+dnl ----------
+dnl "dirname" is not portable, so we fake it with a shell script.
+AC_DEFUN([CF_DIRNAME],[$1=`echo $2 | sed -e 's%/[[^/]]*$%%'`])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_DIRS_TO_MAKE version: 3 updated: 2002/02/23 20:38:31
+dnl ---------------
+AC_DEFUN([CF_DIRS_TO_MAKE],
+[
+DIRS_TO_MAKE="lib"
+for cf_item in $cf_list_models
+do
+	CF_OBJ_SUBDIR($cf_item,cf_subdir)
+	for cf_item2 in $DIRS_TO_MAKE
+	do
+		test $cf_item2 = $cf_subdir && break
+	done
+	test ".$cf_item2" != ".$cf_subdir" && DIRS_TO_MAKE="$DIRS_TO_MAKE $cf_subdir"
+done
+for cf_dir in $DIRS_TO_MAKE
+do
+	test ! -d $cf_dir && mkdir $cf_dir
+done
+AC_SUBST(DIRS_TO_MAKE)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_DISABLE_LEAKS version: 4 updated: 2006/12/16 15:10:42
+dnl ----------------
+dnl Combine no-leak checks with the libraries or tools that are used for the
+dnl checks.
+AC_DEFUN([CF_DISABLE_LEAKS],[
+
+AC_REQUIRE([CF_WITH_DMALLOC])
+AC_REQUIRE([CF_WITH_DBMALLOC])
+AC_REQUIRE([CF_WITH_VALGRIND])
+
+AC_MSG_CHECKING(if you want to perform memory-leak testing)
+AC_ARG_ENABLE(leaks,
+	[  --disable-leaks         test: free permanent memory, analyze leaks],
+	[with_no_leaks=yes],
+	: ${with_no_leaks:=no})
+AC_MSG_RESULT($with_no_leaks)
+
+if test "$with_no_leaks" = yes ; then
+	AC_DEFINE(NO_LEAKS)
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_ENABLE_RPATH version: 1 updated: 2008/09/13 10:22:30
+dnl ---------------
+dnl Check if the rpath option should be used, setting cache variable
+dnl cf_cv_ld_rpath if so.
+AC_DEFUN([CF_ENABLE_RPATH],
+[
+AC_MSG_CHECKING(if rpath option should be used)
+AC_ARG_ENABLE(rpath,
+[  --enable-rpath          use rpath option when generating shared libraries],
+[cf_cv_ld_rpath=$enableval],
+[cf_cv_ld_rpath=no])
+AC_MSG_RESULT($cf_cv_ld_rpath)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_ERRNO version: 5 updated: 1997/11/30 12:44:39
+dnl --------
+dnl Check if 'errno' is declared in <errno.h>
+AC_DEFUN([CF_ERRNO],
+[
+CF_CHECK_ERRNO(errno)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_ETIP_DEFINES version: 3 updated: 2003/03/22 19:13:43
+dnl ---------------
+dnl Test for conflicting definitions of exception in gcc 2.8.0, etc., between
+dnl math.h and builtin.h, only for ncurses
+AC_DEFUN([CF_ETIP_DEFINES],
+[
+AC_MSG_CHECKING(for special defines needed for etip.h)
+cf_save_CXXFLAGS="$CXXFLAGS"
+cf_result="none"
+for cf_math in "" MATH_H
+do
+for cf_excp in "" MATH_EXCEPTION
+do
+	CXXFLAGS="$cf_save_CXXFLAGS -I${srcdir}/c++ -I${srcdir}/menu -I${srcdir}/include"
+	test -n "$cf_math" && CXXFLAGS="$CXXFLAGS -DETIP_NEEDS_${cf_math}"
+	test -n "$cf_excp" && CXXFLAGS="$CXXFLAGS -DETIP_NEEDS_${cf_excp}"
+AC_TRY_COMPILE([
+#include <etip.h.in>
+],[],[
+	test -n "$cf_math" && AC_DEFINE_UNQUOTED(ETIP_NEEDS_${cf_math})
+	test -n "$cf_excp" && AC_DEFINE_UNQUOTED(ETIP_NEEDS_${cf_excp})
+	cf_result="$cf_math $cf_excp"
+	break
+],[])
+done
+done
+AC_MSG_RESULT($cf_result)
+CXXFLAGS="$cf_save_CXXFLAGS"
+])
+dnl ---------------------------------------------------------------------------
+dnl CF_FIND_LINKAGE version: 12 updated: 2007/07/29 20:13:53
+dnl ---------------
+dnl Find a library (specifically the linkage used in the code fragment),
+dnl searching for it if it is not already in the library path.
+dnl See also CF_ADD_SEARCHPATH.
+dnl
+dnl Parameters (4-on are optional):
+dnl     $1 = headers for library entrypoint
+dnl     $2 = code fragment for library entrypoint
+dnl     $3 = the library name without the "-l" option or ".so" suffix.
+dnl     $4 = action to perform if successful (default: update CPPFLAGS, etc)
+dnl     $5 = action to perform if not successful
+dnl     $6 = module name, if not the same as the library name
+dnl     $7 = extra libraries
+dnl
+dnl Sets these variables:
+dnl     $cf_cv_find_linkage_$3 - yes/no according to whether linkage is found
+dnl     $cf_cv_header_path_$3 - include-directory if needed
+dnl     $cf_cv_library_path_$3 - library-directory if needed
+dnl     $cf_cv_library_file_$3 - library-file if needed, e.g., -l$3
+AC_DEFUN([CF_FIND_LINKAGE],[
+
+# If the linkage is not already in the $CPPFLAGS/$LDFLAGS configuration, these
+# will be set on completion of the AC_TRY_LINK below.
+cf_cv_header_path_$3=
+cf_cv_library_path_$3=
+
+CF_MSG_LOG([Starting [FIND_LINKAGE]($3,$6)])
+
+AC_TRY_LINK([$1],[$2],
+    cf_cv_find_linkage_$3=yes,[
+    cf_cv_find_linkage_$3=no
+
+    CF_MSG_LOG([Searching for headers in [FIND_LINKAGE]($3,$6)])
+
+    cf_save_CPPFLAGS="$CPPFLAGS"
+    cf_test_CPPFLAGS="$CPPFLAGS"
+
+    CF_HEADER_PATH(cf_search,ifelse([$6],,[$3],[$6]))
+    for cf_cv_header_path_$3 in $cf_search
+    do
+      if test -d $cf_cv_header_path_$3 ; then
+        CF_VERBOSE(... testing $cf_cv_header_path_$3)
+        CPPFLAGS="$cf_save_CPPFLAGS -I$cf_cv_header_path_$3"
+        AC_TRY_COMPILE([$1],[$2],[
+            CF_VERBOSE(... found $3 headers in $cf_cv_header_path_$3)
+            cf_cv_find_linkage_$3=maybe
+            cf_test_CPPFLAGS="$CPPFLAGS"
+            break],[
+            CPPFLAGS="$cf_save_CPPFLAGS"
+            ])
+      fi
+    done
+
+    if test "$cf_cv_find_linkage_$3" = maybe ; then
+
+      CF_MSG_LOG([Searching for $3 library in [FIND_LINKAGE]($3,$6)])
+
+      cf_save_LIBS="$LIBS"
+      cf_save_LDFLAGS="$LDFLAGS"
+
+      ifelse([$6],,,[
+        CPPFLAGS="$cf_test_CPPFLAGS"
+        LIBS="-l$3 $7 $cf_save_LIBS"
+        AC_TRY_LINK([$1],[$2],[
+            CF_VERBOSE(... found $3 library in system)
+            cf_cv_find_linkage_$3=yes])
+            CPPFLAGS="$cf_save_CPPFLAGS"
+            LIBS="$cf_save_LIBS"
+            ])
+
+      if test "$cf_cv_find_linkage_$3" != yes ; then
+        CF_LIBRARY_PATH(cf_search,$3)
+        for cf_cv_library_path_$3 in $cf_search
+        do
+          if test -d $cf_cv_library_path_$3 ; then
+            CF_VERBOSE(... testing $cf_cv_library_path_$3)
+            CPPFLAGS="$cf_test_CPPFLAGS"
+            LIBS="-l$3 $7 $cf_save_LIBS"
+            LDFLAGS="$cf_save_LDFLAGS -L$cf_cv_library_path_$3"
+            AC_TRY_LINK([$1],[$2],[
+                CF_VERBOSE(... found $3 library in $cf_cv_library_path_$3)
+                cf_cv_find_linkage_$3=yes
+                cf_cv_library_file_$3="-l$3"
+                break],[
+                CPPFLAGS="$cf_save_CPPFLAGS"
+                LIBS="$cf_save_LIBS"
+                LDFLAGS="$cf_save_LDFLAGS"
+                ])
+          fi
+        done
+        LIBS="$cf_save_LIBS"
+        CPPFLAGS="$cf_save_CPPFLAGS"
+        LDFLAGS="$cf_save_LDFLAGS"
+      fi
+
+    else
+      cf_cv_find_linkage_$3=no
+    fi
+    ],$7)
+
+if test "$cf_cv_find_linkage_$3" = yes ; then
+ifelse([$4],,[
+  CF_ADD_INCDIR($cf_cv_header_path_$3)
+  CF_ADD_LIBDIR($cf_cv_library_path_$3)
+  LIBS="-l$3 $LIBS"
+],[$4])
+else
+ifelse([$5],,AC_MSG_WARN(Cannot find $3 library),[$5])
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_FUNC_DLSYM version: 1 updated: 2004/06/16 20:52:45
+dnl -------------
+dnl Test for dlsym() and related functions, as well as libdl.
+dnl
+dnl Sets
+dnl	$cf_have_dlsym
+dnl	$cf_have_libdl
+AC_DEFUN([CF_FUNC_DLSYM],[
+cf_have_dlsym=no
+AC_CHECK_FUNC(dlsym,cf_have_dlsym=yes,[
+
+cf_have_libdl=no
+AC_CHECK_LIB(dl,dlsym,[
+	cf_have_dlsym=yes
+	cf_have_libdl=yes])])
+
+if test "$cf_have_dlsym" = yes ; then
+	test "$cf_have_libdl" = yes && LIBS="-ldl $LIBS"
+
+	AC_MSG_CHECKING(whether able to link to dl*() functions)
+	AC_TRY_LINK([#include <dlfcn.h>],[
+		void *obj;
+		if ((obj = dlopen("filename", 0)) != 0) {
+			if (dlsym(obj, "symbolname") == 0) {
+			dlclose(obj);
+			}
+		}],[
+		AC_DEFINE(HAVE_LIBDL)],[
+		AC_MSG_ERROR(Cannot link test program for libdl)])
+	AC_MSG_RESULT(ok)
+else
+	AC_MSG_ERROR(Cannot find dlsym function)
+fi
+])
+dnl ---------------------------------------------------------------------------
+dnl CF_FUNC_MEMMOVE version: 7 updated: 2006/12/16 12:33:30
+dnl ---------------
+dnl Check for memmove, or a bcopy that can handle overlapping copy.  If neither
+dnl is found, add our own version of memmove to the list of objects.
+AC_DEFUN([CF_FUNC_MEMMOVE],
+[
+AC_CHECK_FUNC(memmove,,[
+AC_CHECK_FUNC(bcopy,[
+	AC_CACHE_CHECK(if bcopy does overlapping moves,cf_cv_good_bcopy,[
+		AC_TRY_RUN([
+int main() {
+	static char data[] = "abcdefghijklmnopqrstuwwxyz";
+	char temp[40];
+	bcopy(data, temp, sizeof(data));
+	bcopy(temp+10, temp, 15);
+	bcopy(temp+5, temp+15, 10);
+	${cf_cv_main_return:-return} (strcmp(temp, "klmnopqrstuwwxypqrstuwwxyz"));
+}
+		],
+		[cf_cv_good_bcopy=yes],
+		[cf_cv_good_bcopy=no],
+		[cf_cv_good_bcopy=unknown])
+		])
+	],[cf_cv_good_bcopy=no])
+	if test "$cf_cv_good_bcopy" = yes ; then
+		AC_DEFINE(USE_OK_BCOPY)
+	else
+		AC_DEFINE(USE_MY_MEMMOVE)
+	fi
+])])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_FUNC_NANOSLEEP version: 3 updated: 2006/12/16 12:33:30
+dnl -----------------
+dnl Check for existence of workable nanosleep() function.  Some systems, e.g.,
+dnl AIX 4.x, provide a non-working version.
+AC_DEFUN([CF_FUNC_NANOSLEEP],[
+AC_CACHE_CHECK(if nanosleep really works,cf_cv_func_nanosleep,[
+AC_TRY_RUN([
+#include <stdio.h>
+#include <errno.h>
+#include <time.h>
+
+#ifdef HAVE_SYS_TIME_H
+#include <sys/time.h>
+#endif
+
+int main() {
+	struct timespec ts1, ts2;
+	int code;
+	ts1.tv_sec  = 0;
+	ts1.tv_nsec = 750000000;
+	ts2.tv_sec  = 0;
+	ts2.tv_nsec = 0;
+	errno = 0;
+	code = nanosleep(&ts1, &ts2); /* on failure errno is ENOSYS. */
+	${cf_cv_main_return:-return}(code != 0);
+}
+],
+	[cf_cv_func_nanosleep=yes],
+	[cf_cv_func_nanosleep=no],
+	[cf_cv_func_nanosleep=unknown])])
+
+test "$cf_cv_func_nanosleep" = "yes" && AC_DEFINE(HAVE_NANOSLEEP)
+])
+dnl ---------------------------------------------------------------------------
+dnl CF_FUNC_OPENPTY version: 2 updated: 2008/04/12 19:49:01
+dnl ---------------
+dnl Check for openpty() function, along with <pty.h> header.  It may need the
+dnl "util" library as well.
+AC_DEFUN([CF_FUNC_OPENPTY],
+[
+AC_CHECK_LIB(util,openpty,cf_cv_lib_util=yes,cf_cv_lib_util=no)
+AC_CACHE_CHECK(for openpty header,cf_cv_func_openpty,[
+    cf_save_LIBS="$LIBS"
+    test $cf_cv_lib_util = yes && LIBS="-lutil $LIBS"
+    for cf_header in pty.h libutil.h util.h
+    do
+    AC_TRY_LINK([
+#include <$cf_header>
+],[
+    int x = openpty((int *)0, (int *)0, (char *)0,
+                   (struct termios *)0, (struct winsize *)0);
+],[
+        cf_cv_func_openpty=$cf_header
+        break
+],[
+        cf_cv_func_openpty=no
+])
+    done
+    LIBS="$cf_save_LIBS"
+])
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_FUNC_POLL version: 4 updated: 2006/12/16 12:33:30
+dnl ------------
+dnl See if the poll function really works.  Some platforms have poll(), but
+dnl it does not work for terminals or files.
+AC_DEFUN([CF_FUNC_POLL],[
+AC_CACHE_CHECK(if poll really works,cf_cv_working_poll,[
+AC_TRY_RUN([
+#include <stdio.h>
+#ifdef HAVE_POLL_H
+#include <poll.h>
+#else
+#include <sys/poll.h>
+#endif
+int main() {
+	struct pollfd myfds;
+	int ret;
+
+	myfds.fd = 0;
+	myfds.events = POLLIN;
+
+	ret = poll(&myfds, 1, 100);
+	${cf_cv_main_return:-return}(ret != 0);
+}],
+	[cf_cv_working_poll=yes],
+	[cf_cv_working_poll=no],
+	[cf_cv_working_poll=unknown])])
+test "$cf_cv_working_poll" = "yes" && AC_DEFINE(HAVE_WORKING_POLL)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_FUNC_TERMIOS version: 2 updated: 2000/07/22 23:37:24
+dnl ---------------
+dnl Some old/broken variations define tcgetattr() only as a macro in
+dnl termio(s).h
+AC_DEFUN([CF_FUNC_TERMIOS],[
+AC_REQUIRE([CF_STRUCT_TERMIOS])
+AC_CACHE_CHECK(for tcgetattr, cf_cv_have_tcgetattr,[
+AC_TRY_LINK([
+#include <sys/types.h>
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#ifdef HAVE_TERMIOS_H
+#include <termios.h>
+#define TTY struct termios
+#else
+#ifdef HAVE_TERMIO_H
+#include <termio.h>
+#define TTY struct termio
+#endif
+#endif
+],[
+TTY foo;
+tcgetattr(1, &foo);],
+[cf_cv_have_tcgetattr=yes],
+[cf_cv_have_tcgetattr=no])])
+test "$cf_cv_have_tcgetattr" = yes && AC_DEFINE(HAVE_TCGETATTR)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_FUNC_VSSCANF version: 3 updated: 2001/12/19 00:50:10
+dnl ---------------
+dnl Check for vsscanf() function, which is in c9x but generally not in earlier
+dnl versions of C.  It is in the GNU C library, and can often be simulated by
+dnl other functions.
+AC_DEFUN([CF_FUNC_VSSCANF],
+[
+AC_CACHE_CHECK(for vsscanf function or workaround,cf_cv_func_vsscanf,[
+AC_TRY_LINK([
+#include <stdarg.h>
+#include <stdio.h>],[
+	va_list ap;
+	vsscanf("from", "%d", ap)],[cf_cv_func_vsscanf=vsscanf],[
+AC_TRY_LINK([
+#include <stdarg.h>
+#include <stdio.h>],[
+    FILE strbuf;
+    char *str = "from";
+
+    strbuf._flag = _IOREAD;
+    strbuf._ptr = strbuf._base = (unsigned char *) str;
+    strbuf._cnt = strlen(str);
+    strbuf._file = _NFILE;
+    return (vfscanf(&strbuf, "%d", ap))],[cf_cv_func_vsscanf=vfscanf],[
+AC_TRY_LINK([
+#include <stdarg.h>
+#include <stdio.h>],[
+    FILE strbuf;
+    char *str = "from";
+
+    strbuf._flag = _IOREAD;
+    strbuf._ptr = strbuf._base = (unsigned char *) str;
+    strbuf._cnt = strlen(str);
+    strbuf._file = _NFILE;
+    return (_doscan(&strbuf, "%d", ap))],[cf_cv_func_vsscanf=_doscan],[
+cf_cv_func_vsscanf=no])])])])
+
+case $cf_cv_func_vsscanf in #(vi
+vsscanf) AC_DEFINE(HAVE_VSSCANF);; #(vi
+vfscanf) AC_DEFINE(HAVE_VFSCANF);; #(vi
+_doscan) AC_DEFINE(HAVE__DOSCAN);;
+esac
+
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_GCC_ATTRIBUTES version: 11 updated: 2007/07/29 09:55:12
+dnl -----------------
+dnl Test for availability of useful gcc __attribute__ directives to quiet
+dnl compiler warnings.  Though useful, not all are supported -- and contrary
+dnl to documentation, unrecognized directives cause older compilers to barf.
+AC_DEFUN([CF_GCC_ATTRIBUTES],
+[
+if test "$GCC" = yes
+then
+cat > conftest.i <<EOF
+#ifndef GCC_PRINTF
+#define GCC_PRINTF 0
+#endif
+#ifndef GCC_SCANF
+#define GCC_SCANF 0
+#endif
+#ifndef GCC_NORETURN
+#define GCC_NORETURN /* nothing */
+#endif
+#ifndef GCC_UNUSED
+#define GCC_UNUSED /* nothing */
+#endif
+EOF
+if test "$GCC" = yes
+then
+	AC_CHECKING([for $CC __attribute__ directives])
+cat > conftest.$ac_ext <<EOF
+#line __oline__ "${as_me-configure}"
+#include "confdefs.h"
+#include "conftest.h"
+#include "conftest.i"
+#if	GCC_PRINTF
+#define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
+#else
+#define GCC_PRINTFLIKE(fmt,var) /*nothing*/
+#endif
+#if	GCC_SCANF
+#define GCC_SCANFLIKE(fmt,var)  __attribute__((format(scanf,fmt,var)))
+#else
+#define GCC_SCANFLIKE(fmt,var)  /*nothing*/
+#endif
+extern void wow(char *,...) GCC_SCANFLIKE(1,2);
+extern void oops(char *,...) GCC_PRINTFLIKE(1,2) GCC_NORETURN;
+extern void foo(void) GCC_NORETURN;
+int main(int argc GCC_UNUSED, char *argv[[]] GCC_UNUSED) { return 0; }
+EOF
+	for cf_attribute in scanf printf unused noreturn
+	do
+		CF_UPPER(cf_ATTRIBUTE,$cf_attribute)
+		cf_directive="__attribute__(($cf_attribute))"
+		echo "checking for $CC $cf_directive" 1>&AC_FD_CC
+		case $cf_attribute in
+		scanf|printf)
+		cat >conftest.h <<EOF
+#define GCC_$cf_ATTRIBUTE 1
+EOF
+			;;
+		*)
+		cat >conftest.h <<EOF
+#define GCC_$cf_ATTRIBUTE $cf_directive
+EOF
+			;;
+		esac
+		if AC_TRY_EVAL(ac_compile); then
+			test -n "$verbose" && AC_MSG_RESULT(... $cf_attribute)
+			cat conftest.h >>confdefs.h
+		fi
+	done
+else
+	fgrep define conftest.i >>confdefs.h
+fi
+rm -rf conftest*
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_GCC_VERSION version: 4 updated: 2005/08/27 09:53:42
+dnl --------------
+dnl Find version of gcc
+AC_DEFUN([CF_GCC_VERSION],[
+AC_REQUIRE([AC_PROG_CC])
+GCC_VERSION=none
+if test "$GCC" = yes ; then
+	AC_MSG_CHECKING(version of $CC)
+	GCC_VERSION="`${CC} --version| sed -e '2,$d' -e 's/^.*(GCC) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
+	test -z "$GCC_VERSION" && GCC_VERSION=unknown
+	AC_MSG_RESULT($GCC_VERSION)
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_GCC_WARNINGS version: 23 updated: 2008/07/26 17:54:02
+dnl ---------------
+dnl Check if the compiler supports useful warning options.  There's a few that
+dnl we don't use, simply because they're too noisy:
+dnl
+dnl	-Wconversion (useful in older versions of gcc, but not in gcc 2.7.x)
+dnl	-Wredundant-decls (system headers make this too noisy)
+dnl	-Wtraditional (combines too many unrelated messages, only a few useful)
+dnl	-Wwrite-strings (too noisy, but should review occasionally).  This
+dnl		is enabled for ncurses using "--enable-const".
+dnl	-pedantic
+dnl
+dnl Parameter:
+dnl	$1 is an optional list of gcc warning flags that a particular
+dnl		application might want to use, e.g., "no-unused" for
+dnl		-Wno-unused
+dnl Special:
+dnl	If $with_ext_const is "yes", add a check for -Wwrite-strings
+dnl
+AC_DEFUN([CF_GCC_WARNINGS],
+[
+AC_REQUIRE([CF_GCC_VERSION])
+CF_INTEL_COMPILER(GCC,INTEL_COMPILER,CFLAGS)
+
+cat > conftest.$ac_ext <<EOF
+#line __oline__ "${as_me-configure}"
+int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
+EOF
+
+if test "$INTEL_COMPILER" = yes
+then
+# The "-wdXXX" options suppress warnings:
+# remark #1419: external declaration in primary source file
+# remark #1682: implicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
+# remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
+# remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
+# remark #193: zero used for undefined preprocessing identifier
+# remark #593: variable "curs_sb_left_arrow" was set but never used
+# remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
+# remark #869: parameter "tw" was never referenced
+# remark #981: operands are evaluated in unspecified order
+# warning #269: invalid format string conversion
+
+	AC_CHECKING([for $CC warning options])
+	cf_save_CFLAGS="$CFLAGS"
+	EXTRA_CFLAGS="-Wall"
+	for cf_opt in \
+		wd1419 \
+		wd1682 \
+		wd1683 \
+		wd1684 \
+		wd193 \
+		wd279 \
+		wd593 \
+		wd810 \
+		wd869 \
+		wd981
+	do
+		CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
+		if AC_TRY_EVAL(ac_compile); then
+			test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
+			EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
+		fi
+	done
+	CFLAGS="$cf_save_CFLAGS"
+
+elif test "$GCC" = yes
+then
+	AC_CHECKING([for $CC warning options])
+	cf_save_CFLAGS="$CFLAGS"
+	EXTRA_CFLAGS="-W -Wall"
+	cf_warn_CONST=""
+	test "$with_ext_const" = yes && cf_warn_CONST="Wwrite-strings"
+	for cf_opt in \
+		Wbad-function-cast \
+		Wcast-align \
+		Wcast-qual \
+		Winline \
+		Wmissing-declarations \
+		Wmissing-prototypes \
+		Wnested-externs \
+		Wpointer-arith \
+		Wshadow \
+		Wstrict-prototypes \
+		Wundef $cf_warn_CONST $1
+	do
+		CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
+		if AC_TRY_EVAL(ac_compile); then
+			test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
+			case $cf_opt in #(vi
+			Wcast-qual) #(vi
+				CPPFLAGS="$CPPFLAGS -DXTSTRINGDEFINES"
+				;;
+			Winline) #(vi
+				case $GCC_VERSION in
+				[[34]].*)
+					CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
+					continue;;
+				esac
+				;;
+			esac
+			EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
+		fi
+	done
+	CFLAGS="$cf_save_CFLAGS"
+fi
+rm -f conftest*
+
+AC_SUBST(EXTRA_CFLAGS)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_GNAT_TRY_LINK version: 1 updated: 2004/08/21 19:02:08
+dnl ----------------
+dnl Verify that a test program compiles/links with GNAT.
+dnl $cf_ada_make is set to the program that compiles/links
+dnl $ADAFLAGS may be set to the GNAT flags.
+dnl
+dnl $1 is the text of the spec
+dnl $2 is the text of the body
+dnl $3 is the shell command to execute if successful
+dnl $4 is the shell command to execute if not successful
+AC_DEFUN([CF_GNAT_TRY_LINK],
+[
+rm -f conftest*
+cat >>conftest.ads <<CF_EOF
+$1
+CF_EOF
+cat >>conftest.adb <<CF_EOF
+$2
+CF_EOF
+if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
+ifelse($3,,      :,[      $3])
+ifelse($4,,,[else
+   $4])
+fi
+rm -f conftest*
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_GNAT_TRY_RUN version: 3 updated: 2004/08/21 19:02:08
+dnl ---------------
+dnl Verify that a test program compiles and runs with GNAT
+dnl $cf_ada_make is set to the program that compiles/links
+dnl $ADAFLAGS may be set to the GNAT flags.
+dnl
+dnl $1 is the text of the spec
+dnl $2 is the text of the body
+dnl $3 is the shell command to execute if successful
+dnl $4 is the shell command to execute if not successful
+AC_DEFUN([CF_GNAT_TRY_RUN],
+[
+rm -f conftest*
+cat >>conftest.ads <<CF_EOF
+$1
+CF_EOF
+cat >>conftest.adb <<CF_EOF
+$2
+CF_EOF
+if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
+   if ( ./conftest 1>&AC_FD_CC 2>&1 ) ; then
+ifelse($3,,      :,[      $3])
+ifelse($4,,,[   else
+      $4])
+   fi
+ifelse($4,,,[else
+   $4])
+fi
+rm -f conftest*
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_GNAT_VERSION version: 12 updated: 2006/10/14 15:23:15
+dnl ---------------
+dnl Verify version of GNAT.
+AC_DEFUN([CF_GNAT_VERSION],
+[
+AC_MSG_CHECKING(for gnat version)
+cf_gnat_version=`${cf_ada_make-gnatmake} -v 2>&1 | grep '[[0-9]].[[0-9]][[0-9]]*' |\
+  sed -e '2,$d' -e 's/[[^0-9 \.]]//g' -e 's/^[[ ]]*//' -e 's/ .*//'`
+AC_MSG_RESULT($cf_gnat_version)
+
+case $cf_gnat_version in
+  3.1[[1-9]]*|3.[[2-9]]*|[[4-9]].*)
+    cf_cv_prog_gnat_correct=yes
+    ;;
+  *) echo Unsupported GNAT version $cf_gnat_version. Required is 3.11 or better. Disabling Ada95 binding.
+     cf_cv_prog_gnat_correct=no
+     ;;
+esac
+case $cf_gnat_version in
+  3.[[1-9]]*|[[4-9]].*)
+      cf_compile_generics=generics
+      cf_generic_objects="\${GENOBJS}"
+      ;;
+  *)  cf_compile_generics=
+      cf_generic_objects=
+      ;;
+esac
+])
+dnl ---------------------------------------------------------------------------
+dnl CF_GNU_SOURCE version: 6 updated: 2005/07/09 13:23:07
+dnl -------------
+dnl Check if we must define _GNU_SOURCE to get a reasonable value for
+dnl _XOPEN_SOURCE, upon which many POSIX definitions depend.  This is a defect
+dnl (or misfeature) of glibc2, which breaks portability of many applications,
+dnl since it is interwoven with GNU extensions.
+dnl
+dnl Well, yes we could work around it...
+AC_DEFUN([CF_GNU_SOURCE],
+[
+AC_CACHE_CHECK(if we must define _GNU_SOURCE,cf_cv_gnu_source,[
+AC_TRY_COMPILE([#include <sys/types.h>],[
+#ifndef _XOPEN_SOURCE
+make an error
+#endif],
+	[cf_cv_gnu_source=no],
+	[cf_save="$CPPFLAGS"
+	 CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
+	 AC_TRY_COMPILE([#include <sys/types.h>],[
+#ifdef _XOPEN_SOURCE
+make an error
+#endif],
+	[cf_cv_gnu_source=no],
+	[cf_cv_gnu_source=yes])
+	CPPFLAGS="$cf_save"
+	])
+])
+test "$cf_cv_gnu_source" = yes && CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_GPP_LIBRARY version: 8 updated: 2003/02/02 01:41:46
+dnl --------------
+dnl If we're trying to use g++, test if libg++ is installed (a rather common
+dnl problem :-).  If we have the compiler but no library, we'll be able to
+dnl configure, but won't be able to build the c++ demo program.
+AC_DEFUN([CF_GPP_LIBRARY],
+[
+cf_cxx_library=unknown
+case $cf_cv_system_name in #(vi
+os2*) #(vi
+	cf_gpp_libname=gpp
+	;;
+*)
+	cf_gpp_libname=g++
+	;;
+esac
+if test "$GXX" = yes; then
+	AC_MSG_CHECKING([for lib$cf_gpp_libname])
+	cf_save="$LIBS"
+	LIBS="$LIBS -l$cf_gpp_libname"
+	AC_TRY_LINK([
+#include <$cf_gpp_libname/builtin.h>
+	],
+	[two_arg_error_handler_t foo2 = lib_error_handler],
+	[cf_cxx_library=yes
+	 CXXLIBS="$CXXLIBS -l$cf_gpp_libname"
+	 if test "$cf_gpp_libname" = cpp ; then
+	    AC_DEFINE(HAVE_GPP_BUILTIN_H)
+	 else
+	    AC_DEFINE(HAVE_GXX_BUILTIN_H)
+	 fi],
+	[AC_TRY_LINK([
+#include <builtin.h>
+	],
+	[two_arg_error_handler_t foo2 = lib_error_handler],
+	[cf_cxx_library=yes
+	 CXXLIBS="$CXXLIBS -l$cf_gpp_libname"
+	 AC_DEFINE(HAVE_BUILTIN_H)],
+	[cf_cxx_library=no])])
+	LIBS="$cf_save"
+	AC_MSG_RESULT($cf_cxx_library)
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_GXX_VERSION version: 5 updated: 2005/08/27 09:53:42
+dnl --------------
+dnl Check for version of g++
+AC_DEFUN([CF_GXX_VERSION],[
+AC_REQUIRE([AC_PROG_CPP])
+GXX_VERSION=none
+if test "$GXX" = yes; then
+	AC_MSG_CHECKING(version of g++)
+	GXX_VERSION="`${CXX-g++} --version| sed -e '2,$d' -e 's/^.*(GCC) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
+	test -z "$GXX_VERSION" && GXX_VERSION=unknown
+	AC_MSG_RESULT($GXX_VERSION)
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_GXX_WARNINGS version: 5 updated: 2005/08/13 14:54:38
+dnl ---------------
+dnl Check if the compiler supports useful warning options.
+dnl
+dnl Most of gcc's options apply to g++, except:
+dnl	-Wbad-function-cast
+dnl	-Wmissing-declarations
+dnl	-Wnested-externs
+dnl
+dnl Omit a few (for now):
+dnl	-Winline
+dnl
+dnl Parameter:
+dnl	$1 is an optional list of g++ warning flags that a particular
+dnl		application might want to use, e.g., "no-unused" for
+dnl		-Wno-unused
+dnl Special:
+dnl	If $with_ext_const is "yes", add a check for -Wwrite-strings
+dnl
+AC_DEFUN([CF_GXX_WARNINGS],
+[
+
+CF_INTEL_COMPILER(GXX,INTEL_CPLUSPLUS,CXXFLAGS)
+
+AC_REQUIRE([CF_GXX_VERSION])
+
+AC_LANG_SAVE
+AC_LANG_CPLUSPLUS
+
+cat > conftest.$ac_ext <<EOF
+#line __oline__ "configure"
+int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
+EOF
+
+if test "$INTEL_CPLUSPLUS" = yes
+then
+# The "-wdXXX" options suppress warnings:
+# remark #1419: external declaration in primary source file
+# remark #1682: implicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
+# remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
+# remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
+# remark #193: zero used for undefined preprocessing identifier
+# remark #593: variable "curs_sb_left_arrow" was set but never used
+# remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
+# remark #869: parameter "tw" was never referenced
+# remark #981: operands are evaluated in unspecified order
+# warning #269: invalid format string conversion
+
+	AC_CHECKING([for $CC warning options])
+	cf_save_CXXFLAGS="$CXXFLAGS"
+	EXTRA_CXXFLAGS="-Wall"
+	for cf_opt in \
+		wd1419 \
+		wd1682 \
+		wd1683 \
+		wd1684 \
+		wd193 \
+		wd279 \
+		wd593 \
+		wd810 \
+		wd869 \
+		wd981
+	do
+		CXXFLAGS="$cf_save_CXXFLAGS $EXTRA_CXXFLAGS -$cf_opt"
+		if AC_TRY_EVAL(ac_compile); then
+			test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
+			EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS -$cf_opt"
+		fi
+	done
+	CXXFLAGS="$cf_save_CXXFLAGS"
+
+elif test "$GXX" = yes
+then
+	AC_CHECKING([for $CXX warning options])
+	cf_save_CXXFLAGS="$CXXFLAGS"
+	EXTRA_CXXFLAGS="-W -Wall"
+	cf_gxx_extra_warnings=""
+	test "$with_ext_const" = yes && cf_gxx_extra_warnings="Wwrite-strings"
+	case "$GCC_VERSION" in
+	[[1-2]].*)
+		;;
+	*)
+		cf_gxx_extra_warnings="$cf_gxx_extra_warnings Weffc++"
+		;;
+	esac
+	for cf_opt in \
+		Wabi \
+		fabi-version=0 \
+		Woverloaded-virtual \
+		Wsign-promo \
+		Wsynth \
+		Wold-style-cast \
+		Wcast-align \
+		Wcast-qual \
+		Wmissing-prototypes \
+		Wpointer-arith \
+		Wshadow \
+		Wstrict-prototypes \
+		Wundef $cf_gxx_extra_warnings $1
+	do
+		CXXFLAGS="$cf_save_CXXFLAGS $EXTRA_CXXFLAGS -Werror -$cf_opt"
+		if AC_TRY_EVAL(ac_compile); then
+			test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
+			EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS -$cf_opt"
+		else
+			test -n "$verbose" && AC_MSG_RESULT(... no -$cf_opt)
+		fi
+	done
+	CXXFLAGS="$cf_save_CXXFLAGS"
+fi
+
+rm -f conftest*
+AC_LANG_RESTORE
+AC_SUBST(EXTRA_CXXFLAGS)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_HASHED_DB version: 3 updated: 2007/11/24 17:43:37
+dnl ------------
+dnl Look for an instance of the Berkeley hashed database.
+dnl
+dnl $1 = optional parameter, to specify install-prefix for the database.
+AC_DEFUN([CF_HASHED_DB],
+[
+ifelse([$1],,,[
+case $1 in #(vi
+yes|*able*) #(vi
+    ;;
+*)
+    if test -d "$1" ; then
+        CF_ADD_INCDIR($1/include)
+        CF_ADD_LIBDIR($1/lib)
+    fi
+esac
+])
+AC_CHECK_HEADER(db.h,[
+CF_HASHED_DB_VERSION
+if test "$cf_cv_hashed_db_version" = unknown ; then
+	AC_MSG_ERROR(Cannot determine version of db)
+else
+	CF_HASHED_DB_LIBS
+	if test "$cf_cv_hashed_db_libs" = unknown ; then
+		AC_MSG_ERROR(Cannot determine library for db)
+	elif test "$cf_cv_hashed_db_libs" != default ; then
+		LIBS="-l$cf_cv_hashed_db_libs $LIBS"
+	fi
+fi
+],[
+	AC_MSG_ERROR(Cannot find db.h)
+])
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_HASHED_DB_LIBS version: 8 updated: 2008/08/04 06:18:06
+dnl -----------------
+dnl Given that we have the header and version for hashed database, find the
+dnl library information.
+AC_DEFUN([CF_HASHED_DB_LIBS],
+[
+AC_CACHE_CHECK(for db libraries, cf_cv_hashed_db_libs,[
+cf_cv_hashed_db_libs=unknown
+for cf_db_libs in "" db$cf_cv_hashed_db_version db-$cf_cv_hashed_db_version db ''
+do
+	cf_save_libs="$LIBS"
+	if test -n "$cf_db_libs"; then
+		LIBS="-l$cf_db_libs $LIBS"
+	fi
+	CF_MSG_LOG(checking for library "$cf_db_libs")
+	AC_TRY_LINK([
+$ac_includes_default
+#include <db.h>
+],[
+	char *path = "/tmp/foo";
+#ifdef DB_VERSION_MAJOR
+#if DB_VERSION_MAJOR >= 4
+	DB *result = 0;
+	db_create(&result, NULL, 0);
+	result->open(result,
+		NULL,
+		path,
+		path,
+		DB_HASH,
+		DB_CREATE,
+		0644);
+#elif DB_VERSION_MAJOR >= 3
+	DB *result = 0;
+	db_create(&result, NULL, 0);
+	result->open(result,
+		path,
+		path,
+		DB_HASH,
+		DB_CREATE,
+		0644);
+#elif DB_VERSION_MAJOR >= 2
+	DB *result = 0;
+	db_open(path,
+		DB_HASH,
+		DB_CREATE,
+		0644,
+		(DB_ENV *) 0,
+		(DB_INFO *) 0,
+		&result);
+#endif /* DB_VERSION_MAJOR */
+#else
+	DB *result = dbopen(path,
+		     2,
+		     0644,
+		     DB_HASH,
+		     0);
+#endif
+	${cf_cv_main_return:-return}(result != 0)
+],[
+	if test -n "$cf_db_libs" ; then
+		cf_cv_hashed_db_libs=$cf_db_libs
+	else
+		cf_cv_hashed_db_libs=default
+	fi
+	LIBS="$cf_save_libs"
+	break
+])
+	LIBS="$cf_save_libs"
+done
+])
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_HASHED_DB_VERSION version: 3 updated: 2007/12/01 15:01:37
+dnl --------------------
+dnl Given that we have the header file for hashed database, find the version
+dnl information.
+AC_DEFUN([CF_HASHED_DB_VERSION],
+[
+AC_CACHE_CHECK(for version of db, cf_cv_hashed_db_version,[
+cf_cv_hashed_db_version=unknown
+
+for cf_db_version in 1 2 3 4 5
+do
+	CF_MSG_LOG(checking for db version $cf_db_version)
+	AC_TRY_COMPILE([
+$ac_includes_default
+#include <db.h>
+
+#ifdef DB_VERSION_MAJOR
+	/* db2 (DB_VERSION_MAJOR=2) has also DB_VERSION_MINOR, tested with 7 */
+#if $cf_db_version == DB_VERSION_MAJOR
+	/* ok */
+#else
+	make an error
+#endif
+#else
+#if $cf_db_version == 1
+	/* ok: assuming this is DB 1.8.5 */
+#else
+	make an error
+#endif
+#endif
+],[DBT *foo = 0],[
+	cf_cv_hashed_db_version=$cf_db_version
+	break
+	])
+done
+])
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_HEADER_PATH version: 8 updated: 2002/11/10 14:46:59
+dnl --------------
+dnl Construct a search-list for a nonstandard header-file
+AC_DEFUN([CF_HEADER_PATH],
+[CF_SUBDIR_PATH($1,$2,include)
+test "$includedir" != NONE && \
+test "$includedir" != "/usr/include" && \
+test -d "$includedir" && {
+	test -d $includedir &&    $1="[$]$1 $includedir"
+	test -d $includedir/$2 && $1="[$]$1 $includedir/$2"
+}
+
+test "$oldincludedir" != NONE && \
+test "$oldincludedir" != "/usr/include" && \
+test -d "$oldincludedir" && {
+	test -d $oldincludedir    && $1="[$]$1 $oldincludedir"
+	test -d $oldincludedir/$2 && $1="[$]$1 $oldincludedir/$2"
+}
+
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_HELP_MESSAGE version: 3 updated: 1998/01/14 10:56:23
+dnl ---------------
+dnl Insert text into the help-message, for readability, from AC_ARG_WITH.
+AC_DEFUN([CF_HELP_MESSAGE],
+[AC_DIVERT_HELP([$1])dnl
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_INCLUDE_DIRS version: 5 updated: 2006/10/14 15:23:15
+dnl ---------------
+dnl Construct the list of include-options according to whether we're building
+dnl in the source directory or using '--srcdir=DIR' option.  If we're building
+dnl with gcc, don't append the includedir if it happens to be /usr/include,
+dnl since that usually breaks gcc's shadow-includes.
+AC_DEFUN([CF_INCLUDE_DIRS],
+[
+CPPFLAGS="-I. -I../include $CPPFLAGS"
+if test "$srcdir" != "."; then
+	CPPFLAGS="-I\${srcdir}/../include $CPPFLAGS"
+fi
+if test "$GCC" != yes; then
+	CPPFLAGS="$CPPFLAGS -I\${includedir}"
+elif test "$includedir" != "/usr/include"; then
+	if test "$includedir" = '${prefix}/include' ; then
+		if test $prefix != /usr ; then
+			CPPFLAGS="$CPPFLAGS -I\${includedir}"
+		fi
+	else
+		CPPFLAGS="$CPPFLAGS -I\${includedir}"
+	fi
+fi
+AC_SUBST(CPPFLAGS)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_INTEL_COMPILER version: 3 updated: 2005/08/06 18:37:29
+dnl -----------------
+dnl Check if the given compiler is really the Intel compiler for Linux.  It
+dnl tries to imitate gcc, but does not return an error when it finds a mismatch
+dnl between prototypes, e.g., as exercised by CF_MISSING_CHECK.
+dnl
+dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
+dnl ensure that it is not mistaken for gcc/g++.  It is normally invoked from
+dnl the wrappers for gcc and g++ warnings.
+dnl
+dnl $1 = GCC (default) or GXX
+dnl $2 = INTEL_COMPILER (default) or INTEL_CPLUSPLUS
+dnl $3 = CFLAGS (default) or CXXFLAGS
+AC_DEFUN([CF_INTEL_COMPILER],[
+ifelse($2,,INTEL_COMPILER,[$2])=no
+
+if test "$ifelse($1,,[$1],GCC)" = yes ; then
+	case $host_os in
+	linux*|gnu*)
+		AC_MSG_CHECKING(if this is really Intel ifelse($1,GXX,C++,C) compiler)
+		cf_save_CFLAGS="$ifelse($3,,CFLAGS,[$3])"
+		ifelse($3,,CFLAGS,[$3])="$ifelse($3,,CFLAGS,[$3]) -no-gcc"
+		AC_TRY_COMPILE([],[
+#ifdef __INTEL_COMPILER
+#else
+make an error
+#endif
+],[ifelse($2,,INTEL_COMPILER,[$2])=yes
+cf_save_CFLAGS="$cf_save_CFLAGS -we147 -no-gcc"
+],[])
+		ifelse($3,,CFLAGS,[$3])="$cf_save_CFLAGS"
+		AC_MSG_RESULT($ifelse($2,,INTEL_COMPILER,[$2]))
+		;;
+	esac
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_ISASCII version: 3 updated: 2000/08/12 23:18:52
+dnl ----------
+dnl Check if we have either a function or macro for 'isascii()'.
+AC_DEFUN([CF_ISASCII],
+[
+AC_MSG_CHECKING(for isascii)
+AC_CACHE_VAL(cf_cv_have_isascii,[
+	AC_TRY_LINK([#include <ctype.h>],[int x = isascii(' ')],
+	[cf_cv_have_isascii=yes],
+	[cf_cv_have_isascii=no])
+])dnl
+AC_MSG_RESULT($cf_cv_have_isascii)
+test "$cf_cv_have_isascii" = yes && AC_DEFINE(HAVE_ISASCII)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_LARGEFILE version: 7 updated: 2007/06/02 11:58:50
+dnl ------------
+dnl Add checks for large file support.
+AC_DEFUN([CF_LARGEFILE],[
+ifdef([AC_FUNC_FSEEKO],[
+    AC_SYS_LARGEFILE
+    if test "$enable_largefile" != no ; then
+	AC_FUNC_FSEEKO
+
+	# Normally we would collect these definitions in the config.h,
+	# but (like _XOPEN_SOURCE), some environments rely on having these
+	# defined before any of the system headers are included.  Another
+	# case comes up with C++, e.g., on AIX the compiler compiles the
+	# header files by themselves before looking at the body files it is
+	# told to compile.  For ncurses, those header files do not include
+	# the config.h
+	test "$ac_cv_sys_large_files"      != no && CPPFLAGS="$CPPFLAGS -D_LARGE_FILES "
+	test "$ac_cv_sys_largefile_source" != no && CPPFLAGS="$CPPFLAGS -D_LARGEFILE_SOURCE "
+	test "$ac_cv_sys_file_offset_bits" != no && CPPFLAGS="$CPPFLAGS -D_FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits "
+
+	AC_CACHE_CHECK(whether to use struct dirent64, cf_cv_struct_dirent64,[
+		AC_TRY_COMPILE([
+#include <sys/types.h>
+#include <dirent.h>
+		],[
+		/* if transitional largefile support is setup, this is true */
+		extern struct dirent64 * readdir(DIR *);
+		struct dirent64 *x = readdir((DIR *)0);
+		struct dirent *y = readdir((DIR *)0);
+		int z = x - y;
+		],
+		[cf_cv_struct_dirent64=yes],
+		[cf_cv_struct_dirent64=no])
+	])
+	test "$cf_cv_struct_dirent64" = yes && AC_DEFINE(HAVE_STRUCT_DIRENT64)
+    fi
+])
+])
+dnl ---------------------------------------------------------------------------
+dnl CF_LDFLAGS_STATIC version: 4 updated: 2008/10/18 17:58:20
+dnl -----------------
+dnl Check for compiler/linker flags used to temporarily force usage of static
+dnl libraries.  This depends on the compiler and platform.  Use this to help
+dnl ensure that the linker picks up a given library based on its position in
+dnl the list of linker options and libraries.
+AC_DEFUN([CF_LDFLAGS_STATIC],[
+
+if test "$GCC" = yes ; then
+	case $cf_cv_system_name in #(
+	OS/2*|os2*|aix[[45]]*) 	#( vi
+		LDFLAGS_STATIC=
+		LDFLAGS_SHARED=
+		;;
+    *) 	#( normally, except when broken
+        LDFLAGS_STATIC=-static
+        LDFLAGS_SHARED=-dynamic
+        ;;
+    esac
+else
+	case $cf_cv_system_name in #(
+	aix[[45]]*) 	#( from ld manpage
+		LDFLAGS_STATIC=-bstatic
+		LDFLAGS_SHARED=-bdynamic
+		;;
+	hpux*)		#( from ld manpage for hpux10.20, hpux11.11
+		# We could also use just "archive" and "shared".
+		LDFLAGS_STATIC=-Wl,-a,archive_shared
+		LDFLAGS_SHARED=-Wl,-a,shared_archive
+		;;
+	irix*)		#( from ld manpage IRIX64
+		LDFLAGS_STATIC=-Bstatic
+		LDFLAGS_SHARED=-Bdynamic
+		;;
+	osf[[45]]*)	#( from ld manpage osf4.0d, osf5.1
+		# alternative "-oldstyle_liblookup" (not in cc manpage)
+		LDFLAGS_STATIC=-noso 
+		LDFLAGS_SHARED=-so_archive
+		;;
+	solaris2*)
+		LDFLAGS_STATIC=-Bstatic
+		LDFLAGS_SHARED=-Bdynamic
+		;;
+	esac
+fi
+
+AC_SUBST(LDFLAGS_STATIC)
+AC_SUBST(LDFLAGS_SHARED)
+])
+dnl ---------------------------------------------------------------------------
+dnl CF_LIBRARY_PATH version: 7 updated: 2002/11/10 14:46:59
+dnl ---------------
+dnl Construct a search-list for a nonstandard library-file
+AC_DEFUN([CF_LIBRARY_PATH],
+[CF_SUBDIR_PATH($1,$2,lib)])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_LIB_PREFIX version: 8 updated: 2008/09/13 11:34:16
+dnl -------------
+dnl Compute the library-prefix for the given host system
+dnl $1 = variable to set
+AC_DEFUN([CF_LIB_PREFIX],
+[
+	case $cf_cv_system_name in #(vi
+	OS/2*|os2*) #(vi
+        LIB_PREFIX=''
+        ;;
+	*)	LIB_PREFIX='lib'
+        ;;
+	esac
+ifelse($1,,,[$1=$LIB_PREFIX])
+	AC_SUBST(LIB_PREFIX)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_LIB_RULES version: 53 updated: 2008/09/20 19:51:59
+dnl ------------
+dnl Append definitions and rules for the given models to the subdirectory
+dnl Makefiles, and the recursion rule for the top-level Makefile.  If the
+dnl subdirectory is a library-source directory, modify the LIBS_TO_MAKE list in
+dnl the corresponding makefile to list the models that we'll generate.
+dnl
+dnl For shared libraries, make a list of symbolic links to construct when
+dnl generating each library.  The convention used for Linux is the simplest
+dnl one:
+dnl	lib<name>.so	->
+dnl	lib<name>.so.<major>	->
+dnl	lib<name>.so.<maj>.<minor>
+AC_DEFUN([CF_LIB_RULES],
+[
+CF_LIB_PREFIX(cf_prefix)
+AC_REQUIRE([CF_SUBST_NCURSES_VERSION])
+
+if test $cf_cv_shlib_version = cygdll ; then
+	TINFO_NAME=$TINFO_ARG_SUFFIX
+	TINFO_SUFFIX=.dll
+fi
+
+for cf_dir in $SRC_SUBDIRS
+do
+	if test ! -d $srcdir/$cf_dir ; then
+		continue
+	elif test -f $srcdir/$cf_dir/modules; then
+
+		SHARED_LIB=
+		LIBS_TO_MAKE=
+		for cf_item in $cf_LIST_MODELS
+		do
+			CF_LIB_SUFFIX($cf_item,cf_suffix,cf_depsuf)
+			if test $cf_item = shared ; then
+			if test "$cf_cv_do_symlinks" = yes ; then
+				case "$cf_cv_shlib_version" in #(vi
+				rel) #(vi
+					case "$cf_cv_system_name" in #(vi
+					darwin*)
+					case .${LIB_SUFFIX} in
+					.w*)
+						cf_suffix=`echo $cf_suffix | sed 's/^w//'`
+						cf_suffix=w'.${REL_VERSION}'"$cf_suffix"
+						;;
+					*)
+						cf_suffix='.${REL_VERSION}'"$cf_suffix"
+						;;
+					esac
+					;; #(vi
+					*) cf_suffix="$cf_suffix"'.${REL_VERSION}' ;;
+					esac
+					;;
+				abi)
+					case "$cf_cv_system_name" in #(vi
+					darwin*)
+					case .${LIB_SUFFIX} in
+					.w*)
+						cf_suffix=`echo $cf_suffix | sed 's/^w//'`
+						cf_suffix=w'.${ABI_VERSION}'"$cf_suffix"
+						;;
+					*)
+						cf_suffix='.${ABI_VERSION}'"$cf_suffix"
+						;;
+					esac
+					;; #(vi
+					*) cf_suffix="$cf_suffix"'.${ABI_VERSION}' ;;
+					esac
+					;;
+				esac
+			fi
+			# cygwin needs import library, and has unique naming convention
+			# use autodetected ${cf_prefix} for import lib and static lib, but
+			# use 'cyg' prefix for shared lib.
+			if test $cf_cv_shlib_version = cygdll ; then
+				cf_cygsuf=`echo "$cf_suffix" | sed -e 's/\.dll/\${ABI_VERSION}.dll/'`
+				LIBS_TO_MAKE="$LIBS_TO_MAKE ../lib/cyg${cf_dir}${cf_cygsuf}"
+				continue
+			fi
+			fi
+			LIBS_TO_MAKE="$LIBS_TO_MAKE ../lib/${cf_prefix}${cf_dir}${cf_suffix}"
+		done
+
+		if test $cf_dir = ncurses ; then
+			cf_subsets="$LIB_SUBSETS"
+			cf_r_parts="$cf_subsets"
+			cf_liblist="$LIBS_TO_MAKE"
+
+			while test -n "$cf_r_parts"
+			do
+				cf_l_parts=`echo "$cf_r_parts" |sed -e 's/ .*$//'`
+				cf_r_parts=`echo "$cf_r_parts" |sed -e 's/^[[^ ]]* //'`
+				if test "$cf_l_parts" != "$cf_r_parts" ; then
+					cf_item=
+					case $cf_l_parts in #(vi
+					*termlib*) #(vi
+						cf_item=`echo $cf_liblist |sed -e s%${LIB_NAME}${LIB_SUFFIX}%${TINFO_LIB_SUFFIX}%g`
+						;;
+					*ticlib*)
+						cf_item=`echo $cf_liblist |sed -e s%${LIB_NAME}${LIB_SUFFIX}%${TICS_LIB_SUFFIX}%g`
+						;;
+					*)
+						break
+						;;
+					esac
+					if test -n "$cf_item"; then
+						LIBS_TO_MAKE="$cf_item $LIBS_TO_MAKE"
+					fi
+				else
+					break
+				fi
+			done
+		else
+			cf_subsets=`echo "$LIB_SUBSETS" | sed -e 's/^termlib.* //'`
+		fi
+
+		sed -e "s%@LIBS_TO_MAKE@%$LIBS_TO_MAKE%" \
+		    -e "s%@SHARED_LIB@%$SHARED_LIB%" \
+			$cf_dir/Makefile >$cf_dir/Makefile.out
+		mv $cf_dir/Makefile.out $cf_dir/Makefile
+
+		$AWK -f $srcdir/mk-0th.awk \
+			libname="${cf_dir}${LIB_SUFFIX}" subsets="$LIB_SUBSETS" \
+			$srcdir/$cf_dir/modules >>$cf_dir/Makefile
+
+		for cf_subset in $cf_subsets
+		do
+			cf_subdirs=
+			for cf_item in $cf_LIST_MODELS
+			do
+			echo "Appending rules for ${cf_item} model (${cf_dir}: ${cf_subset})"
+			CF_UPPER(cf_ITEM,$cf_item)
+			CF_LIB_SUFFIX($cf_item,cf_suffix,cf_depsuf)
+			CF_OBJ_SUBDIR($cf_item,cf_subdir)
+
+			# Test for case where we build libtinfo with a different name.
+			cf_libname=$cf_dir
+			if test $cf_dir = ncurses ; then
+				case $cf_subset in
+				*base*)
+					cf_libname=${cf_libname}$LIB_SUFFIX
+					;;
+				*termlib*)
+					cf_libname=$TINFO_LIB_SUFFIX
+					;;
+				ticlib*)
+					cf_libname=$TICS_LIB_SUFFIX
+					;;
+				esac
+			else
+				cf_libname=${cf_libname}$LIB_SUFFIX
+			fi
+			if test -n "${DFT_ARG_SUFFIX}" ; then
+				# undo $LIB_SUFFIX add-on in CF_LIB_SUFFIX
+				cf_suffix=`echo $cf_suffix |sed -e "s%^${LIB_SUFFIX}%%"`
+			fi
+
+			# These dependencies really are for development, not
+			# builds, but they are useful in porting, too.
+			cf_depend="../include/ncurses_cfg.h"
+			if test "$srcdir" = "."; then
+				cf_reldir="."
+			else
+				cf_reldir="\${srcdir}"
+			fi
+
+			if test -f $srcdir/$cf_dir/$cf_dir.priv.h; then
+				cf_depend="$cf_depend $cf_reldir/$cf_dir.priv.h"
+			elif test -f $srcdir/$cf_dir/curses.priv.h; then
+				cf_depend="$cf_depend $cf_reldir/curses.priv.h"
+			fi
+
+ 			cf_dir_suffix=
+ 			old_cf_suffix="$cf_suffix"
+ 			if test "$cf_cv_shlib_version_infix" = yes ; then
+			if test -n "$LIB_SUFFIX" ; then
+				case $LIB_SUFFIX in
+				w*)
+					cf_libname=`echo $cf_libname | sed 's/w$//'`
+					cf_suffix=`echo $cf_suffix | sed 's/^w//'`
+					cf_dir_suffix=w
+					;;
+				esac
+			fi
+ 			fi
+
+			$AWK -f $srcdir/mk-1st.awk \
+				name=${cf_libname}${cf_dir_suffix} \
+				traces=$LIB_TRACING \
+				MODEL=$cf_ITEM \
+				model=$cf_subdir \
+				prefix=$cf_prefix \
+				suffix=$cf_suffix \
+				subset=$cf_subset \
+				TermlibRoot=$TINFO_NAME \
+				TermlibSuffix=$TINFO_SUFFIX \
+				ShlibVer=$cf_cv_shlib_version \
+				ShlibVerInfix=$cf_cv_shlib_version_infix \
+				ReLink=${cf_cv_do_relink-no} \
+				DoLinks=$cf_cv_do_symlinks \
+				rmSoLocs=$cf_cv_rm_so_locs \
+				ldconfig="$LDCONFIG" \
+				overwrite=$WITH_OVERWRITE \
+				depend="$cf_depend" \
+				host="$host" \
+				$srcdir/$cf_dir/modules >>$cf_dir/Makefile
+
+			cf_suffix="$old_cf_suffix"
+
+			for cf_subdir2 in $cf_subdirs lib
+			do
+				test $cf_subdir = $cf_subdir2 && break
+			done
+			test "${cf_subset}.${cf_subdir2}" != "${cf_subset}.${cf_subdir}" && \
+			$AWK -f $srcdir/mk-2nd.awk \
+				name=$cf_dir \
+				traces=$LIB_TRACING \
+				MODEL=$cf_ITEM \
+				model=$cf_subdir \
+				subset=$cf_subset \
+				srcdir=$srcdir \
+				echo=$WITH_ECHO \
+				crenames=$cf_cv_prog_CC_c_o \
+				cxxrenames=$cf_cv_prog_CXX_c_o \
+				$srcdir/$cf_dir/modules >>$cf_dir/Makefile
+			cf_subdirs="$cf_subdirs $cf_subdir"
+			done
+		done
+	fi
+
+	echo '	cd '$cf_dir' && ${MAKE} ${CF_MFLAGS} [$]@' >>Makefile
+done
+
+for cf_dir in $SRC_SUBDIRS
+do
+	if test ! -d $srcdir/$cf_dir ; then
+		continue
+	fi
+
+	if test -f $cf_dir/Makefile ; then
+		case "$cf_dir" in
+		Ada95) #(vi
+			echo 'libs \' >> Makefile
+			echo 'install.libs \' >> Makefile
+			echo 'uninstall.libs ::' >> Makefile
+			echo '	cd '$cf_dir' && ${MAKE} ${CF_MFLAGS} [$]@' >> Makefile
+			;;
+		esac
+	fi
+
+	if test -f $srcdir/$cf_dir/modules; then
+		echo >> Makefile
+		if test -f $srcdir/$cf_dir/headers; then
+cat >> Makefile <<CF_EOF
+install.includes \\
+uninstall.includes \\
+CF_EOF
+		fi
+if test "$cf_dir" != "c++" ; then
+echo 'lint \' >> Makefile
+fi
+cat >> Makefile <<CF_EOF
+libs \\
+lintlib \\
+install.libs \\
+uninstall.libs \\
+install.$cf_dir \\
+uninstall.$cf_dir ::
+	cd $cf_dir && \${MAKE} \${CF_MFLAGS} \[$]@
+CF_EOF
+	elif test -f $srcdir/$cf_dir/headers; then
+cat >> Makefile <<CF_EOF
+
+libs \\
+install.libs \\
+uninstall.libs \\
+install.includes \\
+uninstall.includes ::
+	cd $cf_dir && \${MAKE} \${CF_MFLAGS} \[$]@
+CF_EOF
+fi
+done
+
+cat >> Makefile <<CF_EOF
+
+install.libs uninstall.libs \\
+install.data uninstall.data ::
+$MAKE_TERMINFO	cd misc && \${MAKE} \${CF_MFLAGS} \[$]@
+
+install.man \\
+uninstall.man ::
+	cd man && \${MAKE} \${CF_MFLAGS} \[$]@
+
+distclean ::
+	rm -f config.cache config.log config.status Makefile include/ncurses_cfg.h
+	rm -f headers.sh headers.sed mk_shared_lib.sh
+	rm -rf \${DIRS_TO_MAKE}
+CF_EOF
+
+# Special case: tack's manpage lives in its own directory.
+if test -d tack ; then
+if test -f $srcdir/$tack.h; then
+cat >> Makefile <<CF_EOF
+
+install.man \\
+uninstall.man ::
+	cd tack && \${MAKE} \${CF_MFLAGS} \[$]@
+CF_EOF
+fi
+fi
+
+dnl If we're installing into a subdirectory of /usr/include, etc., we should
+dnl prepend the subdirectory's name to the "#include" paths.  It won't hurt
+dnl anything, and will make it more standardized.  It's awkward to decide this
+dnl at configuration because of quoting, so we'll simply make all headers
+dnl installed via a script that can do the right thing.
+
+rm -f headers.sed headers.sh
+
+dnl ( generating this script makes the makefiles a little tidier :-)
+echo creating headers.sh
+cat >headers.sh <<CF_EOF
+#! /bin/sh
+# This shell script is generated by the 'configure' script.  It is invoked in a
+# subdirectory of the build tree.  It generates a sed-script in the parent
+# directory that is used to adjust includes for header files that reside in a
+# subdirectory of /usr/include, etc.
+PRG=""
+while test \[$]# != 3
+do
+PRG="\$PRG \[$]1"; shift
+done
+DST=\[$]1
+REF=\[$]2
+SRC=\[$]3
+TMPSRC=\${TMPDIR-/tmp}/\`basename \$SRC\`\$\$
+TMPSED=\${TMPDIR-/tmp}/headers.sed\$\$
+echo installing \$SRC in \$DST
+CF_EOF
+
+if test $WITH_CURSES_H = yes; then
+	cat >>headers.sh <<CF_EOF
+case \$DST in
+/*/include/*)
+	END=\`basename \$DST\`
+	for i in \`cat \$REF/../*/headers |fgrep -v "#"\`
+	do
+		NAME=\`basename \$i\`
+		echo "s/<\$NAME>/<\$END\/\$NAME>/" >> \$TMPSED
+	done
+	;;
+*)
+	echo "" >> \$TMPSED
+	;;
+esac
+CF_EOF
+
+else
+	cat >>headers.sh <<CF_EOF
+case \$DST in
+/*/include/*)
+	END=\`basename \$DST\`
+	for i in \`cat \$REF/../*/headers |fgrep -v "#"\`
+	do
+		NAME=\`basename \$i\`
+		if test "\$NAME" = "curses.h"
+		then
+			echo "s/<curses.h>/<ncurses.h>/" >> \$TMPSED
+			NAME=ncurses.h
+		fi
+		echo "s/<\$NAME>/<\$END\/\$NAME>/" >> \$TMPSED
+	done
+	;;
+*)
+	echo "s/<curses.h>/<ncurses.h>/" >> \$TMPSED
+	;;
+esac
+CF_EOF
+fi
+cat >>headers.sh <<CF_EOF
+rm -f \$TMPSRC
+sed -f \$TMPSED \$SRC > \$TMPSRC
+NAME=\`basename \$SRC\`
+CF_EOF
+if test $WITH_CURSES_H != yes; then
+	cat >>headers.sh <<CF_EOF
+test "\$NAME" = "curses.h" && NAME=ncurses.h
+CF_EOF
+fi
+cat >>headers.sh <<CF_EOF
+# Just in case someone gzip'd manpages, remove the conflicting copy.
+test -f \$DST/\$NAME.gz && rm -f \$DST/\$NAME.gz
+
+eval \$PRG \$TMPSRC \$DST/\$NAME
+rm -f \$TMPSRC \$TMPSED
+CF_EOF
+
+chmod 0755 headers.sh
+
+for cf_dir in $SRC_SUBDIRS
+do
+	if test ! -d $srcdir/$cf_dir ; then
+		continue
+	fi
+
+	if test -f $srcdir/$cf_dir/headers; then
+		$AWK -f $srcdir/mk-hdr.awk \
+			subset="$LIB_SUBSETS" \
+			compat="$WITH_CURSES_H" \
+			$srcdir/$cf_dir/headers >>$cf_dir/Makefile
+	fi
+
+	if test -f $srcdir/$cf_dir/modules; then
+		if test "$cf_dir" != "c++" ; then
+			cat >>$cf_dir/Makefile <<"CF_EOF"
+depend : ${AUTO_SRC}
+	makedepend -- ${CPPFLAGS} -- ${C_SRC}
+
+# DO NOT DELETE THIS LINE -- make depend depends on it.
+CF_EOF
+		fi
+	fi
+done
+
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_LIB_SONAME version: 3 updated: 2006/12/16 15:55:46
+dnl -------------
+dnl Find the and soname for the given shared library.  Set the cache variable
+dnl cf_cv_$3_soname to this, unless it is not found.  Then set the cache
+dnl variable to "unknown".
+dnl
+dnl $1 = headers
+dnl $2 = code
+dnl $3 = library name
+AC_DEFUN([CF_LIB_SONAME],
+[
+AC_CACHE_CHECK(for soname of $3 library,cf_cv_$3_soname,[
+
+cf_cv_$3_soname=unknown
+if test "$cross_compiling" != yes ; then
+cat >conftest.$ac_ext <<CF_EOF
+$1
+int main()
+{
+$2
+	${cf_cv_main_return:-return}(0);
+}
+CF_EOF
+cf_save_LIBS="$LIBS"
+	LIBS="-l$3 $LIBS"
+	if AC_TRY_EVAL(ac_compile) ; then
+		if AC_TRY_EVAL(ac_link) ; then
+			cf_cv_$3_soname=`ldd conftest$ac_exeext 2>/dev/null | sed -e 's,^.*/,,' -e 's, .*$,,' | fgrep lib$3.`
+			test -z "$cf_cv_$3_soname" && cf_cv_$3_soname=unknown
+		fi
+	fi
+rm -f conftest*
+LIBS="$cf_save_LIBS"
+fi
+])
+])
+dnl ---------------------------------------------------------------------------
+dnl CF_LIB_SUFFIX version: 15 updated: 2008/09/13 11:54:48
+dnl -------------
+dnl Compute the library file-suffix from the given model name
+dnl $1 = model name
+dnl $2 = variable to set (the nominal library suffix)
+dnl $3 = dependency variable to set (actual filename)
+dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
+AC_DEFUN([CF_LIB_SUFFIX],
+[
+	AC_REQUIRE([CF_SUBST_NCURSES_VERSION])
+	case $1 in
+	libtool)
+		$2='.la'
+		$3=[$]$2
+		;;
+	normal)
+		$2='.a'
+		$3=[$]$2
+		;;
+	debug)
+		$2='_g.a'
+		$3=[$]$2
+		;;
+	profile)
+		$2='_p.a'
+		$3=[$]$2
+		;;
+	shared)
+		case $cf_cv_system_name in
+		cygwin*)
+			$2='.dll'
+			$3='.dll.a'
+			;;
+		darwin*)
+			$2='.dylib'
+			$3=[$]$2
+			;;
+		hpux*)
+			case $target in
+			ia64*)
+				$2='.so'
+				$3=[$]$2
+				;;
+			*)
+				$2='.sl'
+				$3=[$]$2
+				;;
+			esac
+			;;
+		*)	$2='.so'
+			$3=[$]$2
+			;;
+		esac
+	esac
+	test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
+	test -n "$LIB_SUFFIX" && $3="${LIB_SUFFIX}[$]{$3}"
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_LIB_TYPE version: 4 updated: 2000/10/20 22:57:49
+dnl -----------
+dnl Compute the string to append to -library from the given model name
+dnl $1 = model name
+dnl $2 = variable to set
+dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
+AC_DEFUN([CF_LIB_TYPE],
+[
+	case $1 in
+	libtool) $2=''   ;;
+	normal)  $2=''   ;;
+	debug)   $2='_g' ;;
+	profile) $2='_p' ;;
+	shared)  $2=''   ;;
+	esac
+	test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_LINK_DATAONLY version: 8 updated: 2006/12/16 12:33:30
+dnl ----------------
+dnl Some systems have a non-ANSI linker that doesn't pull in modules that have
+dnl only data (i.e., no functions), for example NeXT.  On those systems we'll
+dnl have to provide wrappers for global tables to ensure they're linked
+dnl properly.
+AC_DEFUN([CF_LINK_DATAONLY],
+[
+AC_MSG_CHECKING([if data-only library module links])
+AC_CACHE_VAL(cf_cv_link_dataonly,[
+	rm -f conftest.a
+	cat >conftest.$ac_ext <<EOF
+#line __oline__ "configure"
+int	testdata[[3]] = { 123, 456, 789 };
+EOF
+	if AC_TRY_EVAL(ac_compile) ; then
+		mv conftest.o data.o && \
+		( $AR $AR_OPTS conftest.a data.o ) 2>&AC_FD_CC 1>/dev/null
+	fi
+	rm -f conftest.$ac_ext data.o
+	cat >conftest.$ac_ext <<EOF
+#line __oline__ "configure"
+int	testfunc()
+{
+#if defined(NeXT)
+	${cf_cv_main_return:-return}(1);	/* I'm told this linker is broken */
+#else
+	extern int testdata[[3]];
+	return testdata[[0]] == 123
+	   &&  testdata[[1]] == 456
+	   &&  testdata[[2]] == 789;
+#endif
+}
+EOF
+	if AC_TRY_EVAL(ac_compile); then
+		mv conftest.o func.o && \
+		( $AR $AR_OPTS conftest.a func.o ) 2>&AC_FD_CC 1>/dev/null
+	fi
+	rm -f conftest.$ac_ext func.o
+	( eval $RANLIB conftest.a ) 2>&AC_FD_CC >/dev/null
+	cf_saveLIBS="$LIBS"
+	LIBS="conftest.a $LIBS"
+	AC_TRY_RUN([
+	int main()
+	{
+		extern int testfunc();
+		${cf_cv_main_return:-return} (!testfunc());
+	}
+	],
+	[cf_cv_link_dataonly=yes],
+	[cf_cv_link_dataonly=no],
+	[cf_cv_link_dataonly=unknown])
+	LIBS="$cf_saveLIBS"
+	])
+AC_MSG_RESULT($cf_cv_link_dataonly)
+
+if test "$cf_cv_link_dataonly" = no ; then
+	AC_DEFINE(BROKEN_LINKER)
+	BROKEN_LINKER=1
+fi
+
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_LINK_FUNCS version: 7 updated: 2006/12/16 12:33:30
+dnl -------------
+dnl Most Unix systems have both link and symlink, a few don't have symlink.
+dnl A few non-Unix systems implement symlink, but not link.
+dnl A few non-systems implement neither (or have nonfunctional versions).
+AC_DEFUN([CF_LINK_FUNCS],
+[
+AC_CHECK_FUNCS( \
+	remove \
+	unlink )
+
+if test "$cross_compiling" = yes ; then
+	AC_CHECK_FUNCS( \
+		link \
+		symlink )
+else
+	AC_CACHE_CHECK(if link/symlink functions work,cf_cv_link_funcs,[
+		cf_cv_link_funcs=
+		for cf_func in link symlink ; do
+			AC_TRY_RUN([
+#include <sys/types.h>
+#include <sys/stat.h>
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+int main()
+{
+	int fail = 0;
+	char *src = "config.log";
+	char *dst = "conftest.chk";
+	struct stat src_sb;
+	struct stat dst_sb;
+
+	stat(src, &src_sb);
+	fail = ($cf_func("config.log", "conftest.chk") < 0)
+	    || (stat(dst, &dst_sb) < 0)
+	    || (dst_sb.st_mtime != src_sb.st_mtime);
+#ifdef HAVE_UNLINK
+	unlink(dst);
+#else
+	remove(dst);
+#endif
+	${cf_cv_main_return:-return} (fail);
+}
+			],[
+			cf_cv_link_funcs="$cf_cv_link_funcs $cf_func"
+			eval 'ac_cv_func_'$cf_func'=yes'],[
+			eval 'ac_cv_func_'$cf_func'=no'],[
+			eval 'ac_cv_func_'$cf_func'=error'])
+		done
+		test -z "$cf_cv_link_funcs" && cf_cv_link_funcs=no
+	])
+	test "$ac_cv_func_link"    = yes && AC_DEFINE(HAVE_LINK)
+	test "$ac_cv_func_symlink" = yes && AC_DEFINE(HAVE_SYMLINK)
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_MAIN_RETURN version: 1 updated: 2006/12/10 09:51:54
+dnl --------------
+dnl Check if a return from main to the shell actually returns the same exit
+dnl code.  This is true for almost any POSIX environment.
+dnl
+dnl Some very old environments did not flush stdout, etc., on an exit.  That
+dnl would be a useful case to test for also.
+AC_DEFUN([CF_MAIN_RETURN],
+[
+cf_cv_main_return=return
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_MAKEFLAGS version: 12 updated: 2006/10/21 08:27:03
+dnl ------------
+dnl Some 'make' programs support ${MAKEFLAGS}, some ${MFLAGS}, to pass 'make'
+dnl options to lower-levels.  It's very useful for "make -n" -- if we have it.
+dnl (GNU 'make' does both, something POSIX 'make', which happens to make the
+dnl ${MAKEFLAGS} variable incompatible because it adds the assignments :-)
+AC_DEFUN([CF_MAKEFLAGS],
+[
+AC_CACHE_CHECK(for makeflags variable, cf_cv_makeflags,[
+	cf_cv_makeflags=''
+	for cf_option in '-${MAKEFLAGS}' '${MFLAGS}'
+	do
+		cat >cf_makeflags.tmp <<CF_EOF
+SHELL = /bin/sh
+all :
+	@ echo '.$cf_option'
+CF_EOF
+		cf_result=`${MAKE-make} -k -f cf_makeflags.tmp 2>/dev/null | sed -e 's,[[ 	]]*$,,'`
+		case "$cf_result" in
+		.*k)
+			cf_result=`${MAKE-make} -k -f cf_makeflags.tmp CC=cc 2>/dev/null`
+			case "$cf_result" in
+			.*CC=*)	cf_cv_makeflags=
+				;;
+			*)	cf_cv_makeflags=$cf_option
+				;;
+			esac
+			break
+			;;
+		.-)	;;
+		*)	echo "given option \"$cf_option\", no match \"$cf_result\""
+			;;
+		esac
+	done
+	rm -f cf_makeflags.tmp
+])
+
+AC_SUBST(cf_cv_makeflags)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_MAKE_TAGS version: 2 updated: 2000/10/04 09:18:40
+dnl ------------
+dnl Generate tags/TAGS targets for makefiles.  Do not generate TAGS if we have
+dnl a monocase filesystem.
+AC_DEFUN([CF_MAKE_TAGS],[
+AC_REQUIRE([CF_MIXEDCASE_FILENAMES])
+AC_CHECK_PROG(MAKE_LOWER_TAGS, ctags, yes, no)
+
+if test "$cf_cv_mixedcase" = yes ; then
+	AC_CHECK_PROG(MAKE_UPPER_TAGS, etags, yes, no)
+else
+	MAKE_UPPER_TAGS=no
+fi
+
+if test "$MAKE_UPPER_TAGS" = yes ; then
+	MAKE_UPPER_TAGS=
+else
+	MAKE_UPPER_TAGS="#"
+fi
+AC_SUBST(MAKE_UPPER_TAGS)
+
+if test "$MAKE_LOWER_TAGS" = yes ; then
+	MAKE_LOWER_TAGS=
+else
+	MAKE_LOWER_TAGS="#"
+fi
+AC_SUBST(MAKE_LOWER_TAGS)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_MANPAGE_FORMAT version: 7 updated: 2003/12/20 19:30:34
+dnl -----------------
+dnl Option to allow user to override automatic configuration of manpage format.
+dnl There are several special cases:
+dnl
+dnl	gzip - man checks for, can display gzip'd files
+dnl	compress - man checks for, can display compressed files
+dnl	BSDI - files in the cat-directories are suffixed ".0"
+dnl	formatted - installer should format (put files in cat-directory)
+dnl	catonly - installer should only format, e.g., for a turnkey system.
+dnl
+dnl There are other configurations which this macro does not test, e.g., HPUX's
+dnl compressed manpages (but uncompressed manpages are fine, and HPUX's naming
+dnl convention would not match our use).
+AC_DEFUN([CF_MANPAGE_FORMAT],
+[
+AC_REQUIRE([CF_PATHSEP])
+AC_MSG_CHECKING(format of man-pages)
+
+AC_ARG_WITH(manpage-format,
+	[  --with-manpage-format   specify manpage-format: gzip/compress/BSDI/normal and
+                          optionally formatted/catonly, e.g., gzip,formatted],
+	[MANPAGE_FORMAT=$withval],
+	[MANPAGE_FORMAT=unknown])
+
+test -z "$MANPAGE_FORMAT" && MANPAGE_FORMAT=unknown
+MANPAGE_FORMAT=`echo "$MANPAGE_FORMAT" | sed -e 's/,/ /g'`
+
+cf_unknown=
+
+case $MANPAGE_FORMAT in
+unknown)
+  if test -z "$MANPATH" ; then
+    MANPATH="/usr/man:/usr/share/man"
+  fi
+
+  # look for the 'date' man-page (it's most likely to be installed!)
+  MANPAGE_FORMAT=
+  cf_preform=no
+  cf_catonly=yes
+  cf_example=date
+
+  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}${PATHSEP}"
+  for cf_dir in $MANPATH; do
+    test -z "$cf_dir" && cf_dir=/usr/man
+    for cf_name in $cf_dir/man*/$cf_example.[[01]]* $cf_dir/cat*/$cf_example.[[01]]* $cf_dir/man*/$cf_example $cf_dir/cat*/$cf_example
+    do
+      cf_test=`echo $cf_name | sed -e 's/*//'`
+      if test "x$cf_test" = "x$cf_name" ; then
+
+	case "$cf_name" in
+	*.gz) MANPAGE_FORMAT="$MANPAGE_FORMAT gzip";;
+	*.Z)  MANPAGE_FORMAT="$MANPAGE_FORMAT compress";;
+	*.0)	MANPAGE_FORMAT="$MANPAGE_FORMAT BSDI";;
+	*)    MANPAGE_FORMAT="$MANPAGE_FORMAT normal";;
+	esac
+
+	case "$cf_name" in
+	$cf_dir/man*)
+	  cf_catonly=no
+	  ;;
+	$cf_dir/cat*)
+	  cf_preform=yes
+	  ;;
+	esac
+	break
+      fi
+
+      # if we found a match in either man* or cat*, stop looking
+      if test -n "$MANPAGE_FORMAT" ; then
+	cf_found=no
+	test "$cf_preform" = yes && MANPAGE_FORMAT="$MANPAGE_FORMAT formatted"
+	test "$cf_catonly" = yes && MANPAGE_FORMAT="$MANPAGE_FORMAT catonly"
+	case "$cf_name" in
+	$cf_dir/cat*)
+	  cf_found=yes
+	  ;;
+	esac
+	test $cf_found=yes && break
+      fi
+    done
+    # only check the first directory in $MANPATH where we find manpages
+    if test -n "$MANPAGE_FORMAT" ; then
+       break
+    fi
+  done
+  # if we did not find the example, just assume it is normal
+  test -z "$MANPAGE_FORMAT" && MANPAGE_FORMAT=normal
+  IFS="$ac_save_ifs"
+  ;;
+*)
+  for cf_option in $MANPAGE_FORMAT; do
+     case $cf_option in #(vi
+     gzip|compress|BSDI|normal|formatted|catonly)
+       ;;
+     *)
+       cf_unknown="$cf_unknown $cf_option"
+       ;;
+     esac
+  done
+  ;;
+esac
+
+AC_MSG_RESULT($MANPAGE_FORMAT)
+if test -n "$cf_unknown" ; then
+  AC_MSG_WARN(Unexpected manpage-format $cf_unknown)
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_MANPAGE_RENAMES version: 7 updated: 2005/06/18 18:51:57
+dnl ------------------
+dnl The Debian people have their own naming convention for manpages.  This
+dnl option lets us override the name of the file containing renaming, or
+dnl disable it altogether.
+AC_DEFUN([CF_MANPAGE_RENAMES],
+[
+AC_MSG_CHECKING(for manpage renaming)
+
+AC_ARG_WITH(manpage-renames,
+	[  --with-manpage-renames  specify manpage-renaming],
+	[MANPAGE_RENAMES=$withval],
+	[MANPAGE_RENAMES=yes])
+
+case ".$MANPAGE_RENAMES" in #(vi
+.no) #(vi
+  ;;
+.|.yes)
+  # Debian 'man' program?
+  if test -f /etc/debian_version ; then
+    MANPAGE_RENAMES=`cd $srcdir && pwd`/man/man_db.renames
+  else
+    MANPAGE_RENAMES=no
+  fi
+  ;;
+esac
+
+if test "$MANPAGE_RENAMES" != no ; then
+  if test -f $srcdir/man/$MANPAGE_RENAMES ; then
+    MANPAGE_RENAMES=`cd $srcdir/man && pwd`/$MANPAGE_RENAMES
+  elif test ! -f $MANPAGE_RENAMES ; then
+    AC_MSG_ERROR(not a filename: $MANPAGE_RENAMES)
+  fi
+
+  test ! -d man && mkdir man
+
+  # Construct a sed-script to perform renaming within man-pages
+  if test -n "$MANPAGE_RENAMES" ; then
+    test ! -d man && mkdir man
+    sh $srcdir/man/make_sed.sh $MANPAGE_RENAMES >./edit_man.sed
+  fi
+fi
+
+AC_MSG_RESULT($MANPAGE_RENAMES)
+AC_SUBST(MANPAGE_RENAMES)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_MANPAGE_SYMLINKS version: 4 updated: 2003/12/13 18:01:58
+dnl -------------------
+dnl Some people expect each tool to make all aliases for manpages in the
+dnl man-directory.  This accommodates the older, less-capable implementations
+dnl of 'man', and is optional.
+AC_DEFUN([CF_MANPAGE_SYMLINKS],
+[
+AC_MSG_CHECKING(if manpage aliases will be installed)
+
+AC_ARG_WITH(manpage-aliases,
+	[  --with-manpage-aliases  specify manpage-aliases using .so],
+	[MANPAGE_ALIASES=$withval],
+	[MANPAGE_ALIASES=yes])
+
+AC_MSG_RESULT($MANPAGE_ALIASES)
+
+if test "$LN_S" = "ln -s"; then
+	cf_use_symlinks=yes
+else
+	cf_use_symlinks=no
+fi
+
+MANPAGE_SYMLINKS=no
+if test "$MANPAGE_ALIASES" = yes ; then
+AC_MSG_CHECKING(if manpage symlinks should be used)
+
+AC_ARG_WITH(manpage-symlinks,
+	[  --with-manpage-symlinks specify manpage-aliases using symlinks],
+	[MANPAGE_SYMLINKS=$withval],
+	[MANPAGE_SYMLINKS=$cf_use_symlinks])
+
+if test "$$cf_use_symlinks" = no; then
+if test "$MANPAGE_SYMLINKS" = yes ; then
+	AC_MSG_WARN(cannot make symlinks, will use .so files)
+	MANPAGE_SYMLINKS=no
+fi
+fi
+
+AC_MSG_RESULT($MANPAGE_SYMLINKS)
+fi
+
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_MANPAGE_TBL version: 3 updated: 2002/01/19 22:51:32
+dnl --------------
+dnl This option causes manpages to be run through tbl(1) to generate tables
+dnl correctly.
+AC_DEFUN([CF_MANPAGE_TBL],
+[
+AC_MSG_CHECKING(for manpage tbl)
+
+AC_ARG_WITH(manpage-tbl,
+	[  --with-manpage-tbl      specify manpage processing with tbl],
+	[MANPAGE_TBL=$withval],
+	[MANPAGE_TBL=no])
+
+AC_MSG_RESULT($MANPAGE_TBL)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_MAN_PAGES version: 35 updated: 2007/03/31 11:47:29
+dnl ------------
+dnl Try to determine if the man-pages on the system are compressed, and if
+dnl so, what format is used.  Use this information to construct a script that
+dnl will install man-pages.
+AC_DEFUN([CF_MAN_PAGES],
+[
+CF_HELP_MESSAGE(Options to Specify How Manpages are Installed:)
+CF_MANPAGE_FORMAT
+CF_MANPAGE_RENAMES
+CF_MANPAGE_SYMLINKS
+CF_MANPAGE_TBL
+
+  if test "$prefix" = "NONE" ; then
+     cf_prefix="$ac_default_prefix"
+  else
+     cf_prefix="$prefix"
+  fi
+
+  case "$MANPAGE_FORMAT" in # (vi
+  *catonly*) # (vi
+    cf_format=yes
+    cf_inboth=no
+    ;;
+  *formatted*) # (vi
+    cf_format=yes
+    cf_inboth=yes
+    ;;
+  *)
+    cf_format=no
+    cf_inboth=no
+    ;;
+  esac
+
+test ! -d man && mkdir man
+
+cf_so_strip=
+cf_compress=
+case "$MANPAGE_FORMAT" in #(vi
+*compress*) #(vi
+	cf_so_strip="Z"
+	cf_compress=compress
+  ;;
+*gzip*) #(vi
+	cf_so_strip="gz"
+	cf_compress=gzip
+  ;;
+esac
+
+cf_edit_man=./edit_man.sh
+cf_man_alias=`pwd`/man_alias.sed
+
+cat >$cf_edit_man <<CF_EOF
+#! /bin/sh
+# this script is generated by the configure-script CF_MAN_PAGES macro.
+
+prefix="$cf_prefix"
+datadir="$datadir"
+
+NCURSES_MAJOR="$NCURSES_MAJOR"
+NCURSES_MINOR="$NCURSES_MINOR"
+NCURSES_PATCH="$NCURSES_PATCH"
+
+NCURSES_OSPEED="$NCURSES_OSPEED"
+TERMINFO="$TERMINFO"
+
+MKDIRS="sh `cd $srcdir && pwd`/mkdirs.sh"
+
+INSTALL="$INSTALL"
+INSTALL_DATA="$INSTALL_DATA"
+
+transform="$program_transform_name"
+
+TMP=\${TMPDIR-/tmp}/man\$\$
+trap "rm -f \$TMP" 0 1 2 5 15
+
+form=\[$]1
+shift || exit 1
+
+verb=\[$]1
+shift || exit 1
+
+mandir=\[$]1
+shift || exit 1
+
+srcdir=\[$]1
+top_srcdir=\[$]srcdir/..
+shift || exit 1
+
+if test "\$form" = normal ; then
+	if test "$cf_format" = yes ; then
+	if test "$cf_inboth" = no ; then
+		sh \[$]0 format \$verb \$mandir \$srcdir \[$]*
+		exit $?
+	fi
+	fi
+	cf_subdir=\$mandir/man
+	cf_tables=$MANPAGE_TBL
+else
+	cf_subdir=\$mandir/cat
+	cf_tables=yes
+fi
+
+# process the list of source-files
+for i in \[$]* ; do
+case \$i in #(vi
+*.orig|*.rej) ;; #(vi
+*.[[0-9]]*)
+	section=\`expr "\$i" : '.*\\.\\([[0-9]]\\)[[xm]]*'\`;
+	if test \$verb = installing ; then
+	if test ! -d \$cf_subdir\${section} ; then
+		\$MKDIRS \$cf_subdir\$section
+	fi
+	fi
+
+	# replace variables in man page
+	if test ! -f $cf_man_alias ; then
+cat >>$cf_man_alias <<-CF_EOF2
+		s,@DATADIR@,\$datadir,g
+		s,@TERMINFO@,\$TERMINFO,g
+		s,@NCURSES_MAJOR@,\$NCURSES_MAJOR,g
+		s,@NCURSES_MINOR@,\$NCURSES_MINOR,g
+		s,@NCURSES_PATCH@,\$NCURSES_PATCH,g
+		s,@NCURSES_OSPEED@,\$NCURSES_OSPEED,g
+CF_EOF
+	ifelse($1,,,[
+	for cf_name in $1
+	do
+		cf_NAME=`echo "$cf_name" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
+		cf_name=`echo $cf_name|sed "$program_transform_name"`
+cat >>$cf_edit_man <<-CF_EOF
+		s,@$cf_NAME@,$cf_name,
+CF_EOF
+	done
+	])
+cat >>$cf_edit_man <<CF_EOF
+CF_EOF2
+		echo "...made $cf_man_alias"
+	fi
+
+	aliases=
+	cf_source=\`basename \$i\`
+	inalias=\$cf_source
+	test ! -f \$inalias && inalias="\$srcdir/\$inalias"
+	if test ! -f \$inalias ; then
+		echo .. skipped \$cf_source
+		continue
+	fi
+CF_EOF
+
+if test "$MANPAGE_ALIASES" != no ; then
+cat >>$cf_edit_man <<CF_EOF
+	aliases=\`sed -f \$top_srcdir/man/manlinks.sed \$inalias |sed -f $cf_man_alias | sort -u\`
+CF_EOF
+fi
+
+if test "$MANPAGE_RENAMES" = no ; then
+cat >>$cf_edit_man <<CF_EOF
+	# perform program transformations for section 1 man pages
+	if test \$section = 1 ; then
+		cf_target=\$cf_subdir\${section}/\`echo \$cf_source|sed "\${transform}"\`
+	else
+		cf_target=\$cf_subdir\${section}/\$cf_source
+	fi
+CF_EOF
+else
+cat >>$cf_edit_man <<CF_EOF
+	cf_target=\`grep "^\$cf_source" $MANPAGE_RENAMES | $AWK '{print \[$]2}'\`
+	if test -z "\$cf_target" ; then
+		echo '? missing rename for '\$cf_source
+		cf_target="\$cf_source"
+	fi
+	cf_target="\$cf_subdir\${section}/\${cf_target}"
+
+CF_EOF
+fi
+
+cat >>$cf_edit_man <<CF_EOF
+	sed	-f $cf_man_alias \\
+CF_EOF
+
+if test -f $MANPAGE_RENAMES ; then
+cat >>$cf_edit_man <<CF_EOF
+		< \$i | sed -f `pwd`/edit_man.sed >\$TMP
+CF_EOF
+else
+cat >>$cf_edit_man <<CF_EOF
+		< \$i >\$TMP
+CF_EOF
+fi
+
+cat >>$cf_edit_man <<CF_EOF
+if test \$cf_tables = yes ; then
+	tbl \$TMP >\$TMP.out
+	mv \$TMP.out \$TMP
+fi
+CF_EOF
+
+if test $with_curses_h != yes ; then
+cat >>$cf_edit_man <<CF_EOF
+	sed -e "/\#[    ]*include/s,curses.h,ncurses.h," < \$TMP >\$TMP.out
+	mv \$TMP.out \$TMP
+CF_EOF
+fi
+
+cat >>$cf_edit_man <<CF_EOF
+	if test \$form = format ; then
+		nroff -man \$TMP >\$TMP.out
+		mv \$TMP.out \$TMP
+	fi
+CF_EOF
+
+if test -n "$cf_compress" ; then
+cat >>$cf_edit_man <<CF_EOF
+	if test \$verb = installing ; then
+	if ( $cf_compress -f \$TMP )
+	then
+		mv \$TMP.$cf_so_strip \$TMP
+	fi
+	fi
+	cf_target="\$cf_target.$cf_so_strip"
+CF_EOF
+fi
+
+case "$MANPAGE_FORMAT" in #(vi
+*BSDI*)
+cat >>$cf_edit_man <<CF_EOF
+	if test \$form = format ; then
+		# BSDI installs only .0 suffixes in the cat directories
+		cf_target="\`echo \$cf_target|sed -e 's/\.[[1-9]]\+[[a-z]]*/.0/'\`"
+	fi
+CF_EOF
+  ;;
+esac
+
+cat >>$cf_edit_man <<CF_EOF
+	suffix=\`basename \$cf_target | sed -e 's%^[[^.]]*%%'\`
+	if test \$verb = installing ; then
+		echo \$verb \$cf_target
+		\$INSTALL_DATA \$TMP \$cf_target
+		test -d \$cf_subdir\${section} &&
+		test -n "\$aliases" && (
+			cd \$cf_subdir\${section} && (
+				cf_source=\`echo \$cf_target |sed -e 's%^.*/\([[^/]][[^/]]*/[[^/]][[^/]]*$\)%\1%'\`
+				test -n "$cf_so_strip" && cf_source=\`echo \$cf_source |sed -e 's%\.$cf_so_strip\$%%'\`
+				cf_target=\`basename \$cf_target\`
+				for cf_alias in \$aliases
+				do
+					if test \$section = 1 ; then
+						cf_alias=\`echo \$cf_alias|sed "\${transform}"\`
+					fi
+
+					if test "$MANPAGE_SYMLINKS" = yes ; then
+						if test -f \$cf_alias\${suffix} ; then
+							if ( cmp -s \$cf_target \$cf_alias\${suffix} )
+							then
+								continue
+							fi
+						fi
+						echo .. \$verb alias \$cf_alias\${suffix}
+						rm -f \$cf_alias\${suffix}
+						$LN_S \$cf_target \$cf_alias\${suffix}
+					elif test "\$cf_target" != "\$cf_alias\${suffix}" ; then
+						echo ".so \$cf_source" >\$TMP
+CF_EOF
+if test -n "$cf_compress" ; then
+cat >>$cf_edit_man <<CF_EOF
+						if test -n "$cf_so_strip" ; then
+							$cf_compress -f \$TMP
+							mv \$TMP.$cf_so_strip \$TMP
+						fi
+CF_EOF
+fi
+cat >>$cf_edit_man <<CF_EOF
+						echo .. \$verb alias \$cf_alias\${suffix}
+						rm -f \$cf_alias\${suffix}
+						\$INSTALL_DATA \$TMP \$cf_alias\${suffix}
+					fi
+				done
+			)
+		)
+	elif test \$verb = removing ; then
+		test -f \$cf_target && (
+			echo \$verb \$cf_target
+			rm -f \$cf_target
+		)
+		test -d \$cf_subdir\${section} &&
+		test -n "\$aliases" && (
+			cd \$cf_subdir\${section} && (
+				for cf_alias in \$aliases
+				do
+					if test \$section = 1 ; then
+						cf_alias=\`echo \$cf_alias|sed "\${transform}"\`
+					fi
+
+					echo .. \$verb alias \$cf_alias\${suffix}
+					rm -f \$cf_alias\${suffix}
+				done
+			)
+		)
+	else
+#		echo ".hy 0"
+		cat \$TMP
+	fi
+	;;
+esac
+done
+
+if test $cf_inboth = yes ; then
+if test \$form != format ; then
+	sh \[$]0 format \$verb \$mandir \$srcdir \[$]*
+fi
+fi
+
+exit 0
+CF_EOF
+chmod 755 $cf_edit_man
+
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_MATH_LIB version: 5 updated: 2000/05/28 01:39:10
+dnl -----------
+dnl Checks for libraries.  At least one UNIX system, Apple Macintosh
+dnl Rhapsody 5.5, does not have -lm.  We cannot use the simpler
+dnl AC_CHECK_LIB(m,sin), because that fails for C++.
+AC_DEFUN([CF_MATH_LIB],
+[
+AC_CACHE_CHECK(if -lm needed for math functions,
+	cf_cv_need_libm,[
+	AC_TRY_LINK([
+	#include <stdio.h>
+	#include <math.h>
+	],
+	[double x = rand(); printf("result = %g\n", ]ifelse($2,,sin(x),$2)[)],
+	[cf_cv_need_libm=no],
+	[cf_cv_need_libm=yes])])
+if test "$cf_cv_need_libm" = yes
+then
+ifelse($1,,[
+	LIBS="$LIBS -lm"
+],[$1=-lm])
+fi
+])
+dnl ---------------------------------------------------------------------------
+dnl CF_MIXEDCASE_FILENAMES version: 3 updated: 2003/09/20 17:07:55
+dnl ----------------------
+dnl Check if the file-system supports mixed-case filenames.  If we're able to
+dnl create a lowercase name and see it as uppercase, it doesn't support that.
+AC_DEFUN([CF_MIXEDCASE_FILENAMES],
+[
+AC_CACHE_CHECK(if filesystem supports mixed-case filenames,cf_cv_mixedcase,[
+if test "$cross_compiling" = yes ; then
+	case $target_alias in #(vi
+	*-os2-emx*|*-msdosdjgpp*|*-cygwin*|*-mingw32*|*-uwin*) #(vi
+		cf_cv_mixedcase=no
+		;;
+	*)
+		cf_cv_mixedcase=yes
+		;;
+	esac
+else
+	rm -f conftest CONFTEST
+	echo test >conftest
+	if test -f CONFTEST ; then
+		cf_cv_mixedcase=no
+	else
+		cf_cv_mixedcase=yes
+	fi
+	rm -f conftest CONFTEST
+fi
+])
+test "$cf_cv_mixedcase" = yes && AC_DEFINE(MIXEDCASE_FILENAMES)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_MKSTEMP version: 5 updated: 2006/12/16 12:33:30
+dnl ----------
+dnl Check for a working mkstemp.  This creates two files, checks that they are
+dnl successfully created and distinct (AmigaOS apparently fails on the last).
+AC_DEFUN([CF_MKSTEMP],[
+AC_CACHE_CHECK(for working mkstemp, cf_cv_func_mkstemp,[
+rm -f conftest*
+AC_TRY_RUN([
+#include <sys/types.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/stat.h>
+int main()
+{
+	char *tmpl = "conftestXXXXXX";
+	char name[2][80];
+	int n;
+	int result = 0;
+	int fd;
+	struct stat sb;
+
+	umask(077);
+	for (n = 0; n < 2; ++n) {
+		strcpy(name[n], tmpl);
+		if ((fd = mkstemp(name[n])) >= 0) {
+			if (!strcmp(name[n], tmpl)
+			 || stat(name[n], &sb) != 0
+			 || (sb.st_mode & S_IFMT) != S_IFREG
+			 || (sb.st_mode & 077) != 0) {
+				result = 1;
+			}
+			close(fd);
+		}
+	}
+	if (result == 0
+	 && !strcmp(name[0], name[1]))
+		result = 1;
+	${cf_cv_main_return:-return}(result);
+}
+],[cf_cv_func_mkstemp=yes
+],[cf_cv_func_mkstemp=no
+],[AC_CHECK_FUNC(mkstemp)
+])
+])
+if test "$cf_cv_func_mkstemp" = yes ; then
+	AC_DEFINE(HAVE_MKSTEMP)
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_MSG_LOG version: 4 updated: 2007/07/29 09:55:12
+dnl ----------
+dnl Write a debug message to config.log, along with the line number in the
+dnl configure script.
+AC_DEFUN([CF_MSG_LOG],[
+echo "${as_me-configure}:__oline__: testing $* ..." 1>&AC_FD_CC
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_NCURSES_ABI_6 version: 1 updated: 2005/09/17 18:42:49
+dnl ----------------
+dnl Set ncurses' ABI to 6 unless overridden by explicit configure option, and
+dnl warn about this.
+AC_DEFUN([CF_NCURSES_ABI_6],[
+if test "${with_abi_version+set}" != set; then
+	case $cf_cv_rel_version in
+	5.*)
+		cf_cv_rel_version=6.0
+		cf_cv_abi_version=6
+		AC_MSG_WARN(Overriding ABI version to $cf_cv_abi_version)
+		;;
+	esac
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_NO_LEAKS_OPTION version: 4 updated: 2006/12/16 14:24:05
+dnl ------------------
+dnl see CF_WITH_NO_LEAKS
+AC_DEFUN([CF_NO_LEAKS_OPTION],[
+AC_MSG_CHECKING(if you want to use $1 for testing)
+AC_ARG_WITH($1,
+	[$2],
+	[AC_DEFINE($3)ifelse([$4],,[
+	 $4
+])
+	: ${with_cflags:=-g}
+	: ${with_no_leaks:=yes}
+	 with_$1=yes],
+	[with_$1=])
+AC_MSG_RESULT(${with_$1:-no})
+
+case .$with_cflags in #(vi
+.*-g*)
+	case .$CFLAGS in #(vi
+	.*-g*) #(vi
+		;;
+	*)
+		CF_ADD_CFLAGS([-g])
+		;;
+	esac
+	;;
+esac
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_NUMBER_SYNTAX version: 1 updated: 2003/09/20 18:12:49
+dnl ----------------
+dnl Check if the given variable is a number.  If not, report an error.
+dnl $1 is the variable
+dnl $2 is the message
+AC_DEFUN([CF_NUMBER_SYNTAX],[
+if test -n "$1" ; then
+  case $1 in #(vi
+  [[0-9]]*) #(vi
+ 	;;
+  *)
+	AC_MSG_ERROR($2 is not a number: $1)
+ 	;;
+  esac
+else
+  AC_MSG_ERROR($2 value is empty)
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_OBJ_SUBDIR version: 4 updated: 2002/02/23 20:38:31
+dnl -------------
+dnl Compute the object-directory name from the given model name
+AC_DEFUN([CF_OBJ_SUBDIR],
+[
+	case $1 in
+	libtool) $2='obj_lo'  ;;
+	normal)  $2='objects' ;;
+	debug)   $2='obj_g' ;;
+	profile) $2='obj_p' ;;
+	shared)
+		case $cf_cv_system_name in #(vi
+		cygwin) #(vi
+			$2='objects' ;;
+		*)
+			$2='obj_s' ;;
+		esac
+	esac
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_PATHSEP version: 3 updated: 2001/01/12 01:23:53
+dnl ----------
+dnl Provide a value for the $PATH and similar separator
+AC_DEFUN([CF_PATHSEP],
+[
+	case $cf_cv_system_name in
+	os2*)	PATHSEP=';'  ;;
+	*)	PATHSEP=':'  ;;
+	esac
+ifelse($1,,,[$1=$PATHSEP])
+	AC_SUBST(PATHSEP)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_PATH_SYNTAX version: 12 updated: 2008/03/23 14:45:59
+dnl --------------
+dnl Check the argument to see that it looks like a pathname.  Rewrite it if it
+dnl begins with one of the prefix/exec_prefix variables, and then again if the
+dnl result begins with 'NONE'.  This is necessary to work around autoconf's
+dnl delayed evaluation of those symbols.
+AC_DEFUN([CF_PATH_SYNTAX],[
+if test "x$prefix" != xNONE; then
+  cf_path_syntax="$prefix"
+else
+  cf_path_syntax="$ac_default_prefix"
+fi
+
+case ".[$]$1" in #(vi
+.\[$]\(*\)*|.\'*\'*) #(vi
+  ;;
+..|./*|.\\*) #(vi
+  ;;
+.[[a-zA-Z]]:[[\\/]]*) #(vi OS/2 EMX
+  ;;
+.\[$]{*prefix}*) #(vi
+  eval $1="[$]$1"
+  case ".[$]$1" in #(vi
+  .NONE/*)
+    $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
+    ;;
+  esac
+  ;; #(vi
+.no|.NONE/*)
+  $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
+  ;;
+*)
+  ifelse($2,,[AC_MSG_ERROR([expected a pathname, not \"[$]$1\"])],$2)
+  ;;
+esac
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_POSIX_C_SOURCE version: 6 updated: 2005/07/14 20:25:10
+dnl -----------------
+dnl Define _POSIX_C_SOURCE to the given level, and _POSIX_SOURCE if needed.
+dnl
+dnl	POSIX.1-1990				_POSIX_SOURCE
+dnl	POSIX.1-1990 and			_POSIX_SOURCE and
+dnl		POSIX.2-1992 C-Language			_POSIX_C_SOURCE=2
+dnl		Bindings Option
+dnl	POSIX.1b-1993				_POSIX_C_SOURCE=199309L
+dnl	POSIX.1c-1996				_POSIX_C_SOURCE=199506L
+dnl	X/Open 2000				_POSIX_C_SOURCE=200112L
+dnl
+dnl Parameters:
+dnl	$1 is the nominal value for _POSIX_C_SOURCE
+AC_DEFUN([CF_POSIX_C_SOURCE],
+[
+cf_POSIX_C_SOURCE=ifelse($1,,199506L,$1)
+
+cf_save_CFLAGS="$CFLAGS"
+cf_save_CPPFLAGS="$CPPFLAGS"
+
+CF_REMOVE_DEFINE(cf_trim_CFLAGS,$cf_save_CFLAGS,_POSIX_C_SOURCE)
+CF_REMOVE_DEFINE(cf_trim_CPPFLAGS,$cf_save_CPPFLAGS,_POSIX_C_SOURCE)
+
+AC_CACHE_CHECK(if we should define _POSIX_C_SOURCE,cf_cv_posix_c_source,[
+	CF_MSG_LOG(if the symbol is already defined go no further)
+	AC_TRY_COMPILE([#include <sys/types.h>],[
+#ifndef _POSIX_C_SOURCE
+make an error
+#endif],
+	[cf_cv_posix_c_source=no],
+	[cf_want_posix_source=no
+	 case .$cf_POSIX_C_SOURCE in #(vi
+	 .[[12]]??*) #(vi
+		cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
+		;;
+	 .2) #(vi
+		cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
+		cf_want_posix_source=yes
+		;;
+	 .*)
+		cf_want_posix_source=yes
+		;;
+	 esac
+	 if test "$cf_want_posix_source" = yes ; then
+		AC_TRY_COMPILE([#include <sys/types.h>],[
+#ifdef _POSIX_SOURCE
+make an error
+#endif],[],
+		cf_cv_posix_c_source="$cf_cv_posix_c_source -D_POSIX_SOURCE")
+	 fi
+	 CF_MSG_LOG(ifdef from value $cf_POSIX_C_SOURCE)
+	 CFLAGS="$cf_trim_CFLAGS"
+	 CPPFLAGS="$cf_trim_CPPFLAGS $cf_cv_posix_c_source"
+	 CF_MSG_LOG(if the second compile does not leave our definition intact error)
+	 AC_TRY_COMPILE([#include <sys/types.h>],[
+#ifndef _POSIX_C_SOURCE
+make an error
+#endif],,
+	 [cf_cv_posix_c_source=no])
+	 CFLAGS="$cf_save_CFLAGS"
+	 CPPFLAGS="$cf_save_CPPFLAGS"
+	])
+])
+
+if test "$cf_cv_posix_c_source" != no ; then
+	CFLAGS="$cf_trim_CFLAGS"
+	CPPFLAGS="$cf_trim_CPPFLAGS"
+	if test "$cf_cv_cc_u_d_options" = yes ; then
+		cf_temp_posix_c_source=`echo "$cf_cv_posix_c_source" | \
+				sed -e 's/-D/-U/g' -e 's/=[[^ 	]]*//g'`
+		CPPFLAGS="$CPPFLAGS $cf_temp_posix_c_source"
+	fi
+	CPPFLAGS="$CPPFLAGS $cf_cv_posix_c_source"
+fi
+
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_PREDEFINE version: 1 updated: 2003/07/26 17:53:56
+dnl ------------
+dnl Add definitions to CPPFLAGS to ensure they're predefined for all compiles.
+dnl
+dnl $1 = symbol to test
+dnl $2 = value (if any) to use for a predefinition
+AC_DEFUN([CF_PREDEFINE],
+[
+AC_MSG_CHECKING(if we must define $1)
+AC_TRY_COMPILE([#include <sys/types.h>
+],[
+#ifndef $1
+make an error
+#endif],[cf_result=no],[cf_result=yes])
+AC_MSG_RESULT($cf_result)
+
+if test "$cf_result" = yes ; then
+	CPPFLAGS="$CPPFLAGS ifelse($2,,-D$1,[-D$1=$2])"
+elif test "x$2" != "x" ; then
+	AC_MSG_CHECKING(checking for compatible value versus $2)
+	AC_TRY_COMPILE([#include <sys/types.h>
+],[
+#if $1-$2 < 0
+make an error
+#endif],[cf_result=yes],[cf_result=no])
+	AC_MSG_RESULT($cf_result)
+	if test "$cf_result" = no ; then
+		# perhaps we can override it - try...
+		CPPFLAGS="$CPPFLAGS -D$1=$2"
+	fi
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_PRG_RULES version: 1 updated: 2006/06/03 11:45:08
+dnl ------------
+dnl Append definitions and rules for the given programs to the subdirectory
+dnl Makefiles, and the recursion rule for the top-level Makefile.
+dnl
+dnl parameters
+dnl	$1 = script to run
+dnl	$2 = list of subdirectories
+dnl
+dnl variables
+dnl	$AWK
+AC_DEFUN([CF_PRG_RULES],
+[
+for cf_dir in $2
+do
+	if test ! -d $srcdir/$cf_dir; then
+		continue
+	elif test -f $srcdir/$cf_dir/programs; then
+		$AWK -f $1 $srcdir/$cf_dir/programs >>$cf_dir/Makefile
+	fi
+done
+
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_PROG_AWK version: 1 updated: 2006/09/16 11:40:59
+dnl -----------
+dnl Check for awk, ensure that the check found something.
+AC_DEFUN([CF_PROG_AWK],
+[
+AC_PROG_AWK
+test -z "$AWK" && AC_MSG_ERROR(No awk program found)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_PROG_CC_C_O version: 2 updated: 2006/12/16 15:55:46
+dnl --------------
+dnl Analogous to AC_PROG_CC_C_O, but more useful: tests only $CC, ensures that
+dnl the output file can be renamed, and allows for a shell variable that can
+dnl be used later.  The parameter is either CC or CXX.  The result is the
+dnl cache variable:
+dnl	$cf_cv_prog_CC_c_o
+dnl	$cf_cv_prog_CXX_c_o
+AC_DEFUN([CF_PROG_CC_C_O],
+[AC_REQUIRE([AC_PROG_CC])dnl
+AC_MSG_CHECKING([whether [$]$1 understands -c and -o together])
+AC_CACHE_VAL(cf_cv_prog_$1_c_o,
+[
+cat > conftest.$ac_ext <<CF_EOF
+#include <stdio.h>
+int main()
+{
+	${cf_cv_main_return:-return}(0);
+}
+CF_EOF
+# We do the test twice because some compilers refuse to overwrite an
+# existing .o file with -o, though they will create one.
+ac_try='[$]$1 -c conftest.$ac_ext -o conftest2.$ac_objext >&AC_FD_CC'
+if AC_TRY_EVAL(ac_try) &&
+  test -f conftest2.$ac_objext && AC_TRY_EVAL(ac_try);
+then
+  eval cf_cv_prog_$1_c_o=yes
+else
+  eval cf_cv_prog_$1_c_o=no
+fi
+rm -f conftest*
+])dnl
+if test $cf_cv_prog_$1_c_o = yes; then
+  AC_MSG_RESULT([yes])
+else
+  AC_MSG_RESULT([no])
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_PROG_CC_U_D version: 1 updated: 2005/07/14 16:59:30
+dnl --------------
+dnl Check if C (preprocessor) -U and -D options are processed in the order
+dnl given rather than by type of option.  Some compilers insist on apply all
+dnl of the -U options after all of the -D options.  Others allow mixing them,
+dnl and may predefine symbols that conflict with those we define.
+AC_DEFUN([CF_PROG_CC_U_D],
+[
+AC_CACHE_CHECK(if $CC -U and -D options work together,cf_cv_cc_u_d_options,[
+	cf_save_CPPFLAGS="$CPPFLAGS"
+	CPPFLAGS="-UU_D_OPTIONS -DU_D_OPTIONS -DD_U_OPTIONS -UD_U_OPTIONS"
+	AC_TRY_COMPILE([],[
+#ifndef U_D_OPTIONS
+make an undefined-error
+#endif
+#ifdef  D_U_OPTIONS
+make a defined-error
+#endif
+	],[
+	cf_cv_cc_u_d_options=yes],[
+	cf_cv_cc_u_d_options=no])
+	CPPFLAGS="$cf_save_CPPFLAGS"
+])
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_PROG_EGREP version: 1 updated: 2006/09/16 11:40:59
+dnl -------------
+dnl AC_PROG_EGREP was introduced in autoconf 2.53.
+dnl This macro adds a check to ensure the script found something.
+AC_DEFUN([CF_PROG_EGREP],
+[AC_CACHE_CHECK([for egrep], [ac_cv_prog_egrep],
+   [if echo a | (grep -E '(a|b)') >/dev/null 2>&1
+    then ac_cv_prog_egrep='grep -E'
+    else ac_cv_prog_egrep='egrep'
+    fi])
+ EGREP=$ac_cv_prog_egrep
+ AC_SUBST([EGREP])
+test -z "$EGREP" && AC_MSG_ERROR(No egrep program found)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_PROG_EXT version: 10 updated: 2004/01/03 19:28:18
+dnl -----------
+dnl Compute $PROG_EXT, used for non-Unix ports, such as OS/2 EMX.
+AC_DEFUN([CF_PROG_EXT],
+[
+AC_REQUIRE([CF_CHECK_CACHE])
+case $cf_cv_system_name in
+os2*)
+    CFLAGS="$CFLAGS -Zmt"
+    CPPFLAGS="$CPPFLAGS -D__ST_MT_ERRNO__"
+    CXXFLAGS="$CXXFLAGS -Zmt"
+    # autoconf's macro sets -Zexe and suffix both, which conflict:w
+    LDFLAGS="$LDFLAGS -Zmt -Zcrtdll"
+    ac_cv_exeext=.exe
+    ;;
+esac
+
+AC_EXEEXT
+AC_OBJEXT
+
+PROG_EXT="$EXEEXT"
+AC_SUBST(PROG_EXT)
+test -n "$PROG_EXT" && AC_DEFINE_UNQUOTED(PROG_EXT,"$PROG_EXT")
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_PROG_INSTALL version: 5 updated: 2002/12/21 22:46:07
+dnl ---------------
+dnl Force $INSTALL to be an absolute-path.  Otherwise, edit_man.sh and the
+dnl misc/tabset install won't work properly.  Usually this happens only when
+dnl using the fallback mkinstalldirs script
+AC_DEFUN([CF_PROG_INSTALL],
+[AC_PROG_INSTALL
+case $INSTALL in
+/*)
+  ;;
+*)
+  CF_DIRNAME(cf_dir,$INSTALL)
+  test -z "$cf_dir" && cf_dir=.
+  INSTALL=`cd $cf_dir && pwd`/`echo $INSTALL | sed -e 's%^.*/%%'`
+  ;;
+esac
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_PROG_LDCONFIG version: 1 updated: 2003/09/20 17:07:55
+dnl ----------------
+dnl Check for ldconfig, needed to fixup shared libraries that would be built
+dnl and then used in the install.
+AC_DEFUN([CF_PROG_LDCONFIG],[
+if test "$cross_compiling" = yes ; then
+  LDCONFIG=:
+else
+case "$cf_cv_system_name" in #(vi
+freebsd*) #(vi
+  test -z "$LDCONFIG" && LDCONFIG="/sbin/ldconfig -R"
+  ;;
+*) LDPATH=$PATH:/sbin:/usr/sbin
+  AC_PATH_PROG(LDCONFIG,ldconfig,,$LDPATH)
+  ;;
+esac
+fi
+AC_SUBST(LDCONFIG)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_PROG_LINT version: 1 updated: 2006/09/16 11:40:59
+dnl ------------
+AC_DEFUN([CF_PROG_LINT],
+[
+AC_CHECK_PROGS(LINT, tdlint lint alint)
+AC_SUBST(LINT_OPTS)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_REGEX version: 3 updated: 1997/11/01 14:26:01
+dnl --------
+dnl Attempt to determine if we've got one of the flavors of regular-expression
+dnl code that we can support.
+AC_DEFUN([CF_REGEX],
+[
+AC_MSG_CHECKING([for regular-expression headers])
+AC_CACHE_VAL(cf_cv_regex,[
+AC_TRY_LINK([#include <sys/types.h>
+#include <regex.h>],[
+	regex_t *p;
+	int x = regcomp(p, "", 0);
+	int y = regexec(p, "", 0, 0, 0);
+	regfree(p);
+	],[cf_cv_regex="regex.h"],[
+	AC_TRY_LINK([#include <regexp.h>],[
+		char *p = compile("", "", "", 0);
+		int x = step("", "");
+	],[cf_cv_regex="regexp.h"],[
+		cf_save_LIBS="$LIBS"
+		LIBS="-lgen $LIBS"
+		AC_TRY_LINK([#include <regexpr.h>],[
+			char *p = compile("", "", "");
+			int x = step("", "");
+		],[cf_cv_regex="regexpr.h"],[LIBS="$cf_save_LIBS"])])])
+])
+AC_MSG_RESULT($cf_cv_regex)
+case $cf_cv_regex in
+	regex.h)   AC_DEFINE(HAVE_REGEX_H_FUNCS) ;;
+	regexp.h)  AC_DEFINE(HAVE_REGEXP_H_FUNCS) ;;
+	regexpr.h) AC_DEFINE(HAVE_REGEXPR_H_FUNCS) ;;
+esac
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_REMOVE_DEFINE version: 2 updated: 2005/07/09 16:12:18
+dnl ----------------
+dnl Remove all -U and -D options that refer to the given symbol from a list
+dnl of C compiler options.  This works around the problem that not all
+dnl compilers process -U and -D options from left-to-right, so a -U option
+dnl cannot be used to cancel the effect of a preceding -D option.
+dnl
+dnl $1 = target (which could be the same as the source variable)
+dnl $2 = source (including '$')
+dnl $3 = symbol to remove
+define([CF_REMOVE_DEFINE],
+[
+# remove $3 symbol from $2
+$1=`echo "$2" | \
+	sed	-e 's/-[[UD]]$3\(=[[^ 	]]*\)\?[[ 	]]/ /g' \
+		-e 's/-[[UD]]$3\(=[[^ 	]]*\)\?[$]//g'`
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_REMOVE_LIB version: 1 updated: 2007/02/17 14:11:52
+dnl -------------
+dnl Remove the given library from the symbol
+dnl
+dnl $1 = target (which could be the same as the source variable)
+dnl $2 = source (including '$')
+dnl $3 = library to remove
+define([CF_REMOVE_LIB],
+[
+# remove $3 library from $2
+$1=`echo "$2" | sed -e 's/-l$3[[ 	]]//g' -e 's/-l$3[$]//'`
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_RPATH_HACK version: 4 updated: 2008/09/13 12:53:26
+dnl -------------
+AC_DEFUN([CF_RPATH_HACK],
+[
+AC_REQUIRE([CF_SHARED_OPTS])
+AC_MSG_CHECKING(for updated LDFLAGS)
+if test -n "$LDFLAGS" ; then
+AC_MSG_RESULT(maybe)
+CF_VERBOSE(...checking LDFLAGS $LDFLAGS)
+CF_VERBOSE(...checking EXTRA_LDFLAGS $EXTRA_LDFLAGS)
+case "$EXTRA_LDFLAGS" in #(vi
+-Wl,-rpath,*) #(vi
+	cf_rpath_hack="-Wl,-rpath,"
+	;;
+-R\ *)
+	cf_rpath_hack="-R "
+	;;
+-R*)
+	cf_rpath_hack="-R"
+	;;
+*)
+	cf_rpath_hack=
+	;;
+esac
+if test -n "$cf_rpath_hack" ; then
+	cf_rpath_dst=
+	for cf_rpath_src in $LDFLAGS
+	do
+		CF_VERBOSE(Filtering $cf_rpath_src)
+		case $cf_rpath_src in #(vi
+		-L*) #(vi
+			if test "$cf_rpath_hack" = "-R " ; then
+				cf_rpath_tmp=`echo "$cf_rpath_src" |sed -e 's%-L%-R %'`
+			else
+				cf_rpath_tmp=`echo "$cf_rpath_src" |sed -e s%-L%$cf_rpath_hack%`
+			fi
+			CF_VERBOSE(...Filter $cf_rpath_tmp)
+			EXTRA_LDFLAGS="$cf_rpath_tmp $EXTRA_LDFLAGS"
+			;;
+		esac
+		cf_rpath_dst="$cf_rpath_dst $cf_rpath_src"
+	done
+	LDFLAGS=$cf_rpath_dst
+	CF_VERBOSE(...checked LDFLAGS $LDFLAGS)
+	CF_VERBOSE(...checked EXTRA_LDFLAGS $EXTRA_LDFLAGS)
+fi
+else
+AC_MSG_RESULT(no)
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_SHARED_OPTS version: 53 updated: 2008/10/25 18:14:20
+dnl --------------
+dnl --------------
+dnl Attempt to determine the appropriate CC/LD options for creating a shared
+dnl library.
+dnl
+dnl Note: ${LOCAL_LDFLAGS} is used to link executables that will run within the
+dnl build-tree, i.e., by making use of the libraries that are compiled in ../lib
+dnl We avoid compiling-in a ../lib path for the shared library since that can
+dnl lead to unexpected results at runtime.
+dnl ${LOCAL_LDFLAGS2} has the same intention but assumes that the shared libraries
+dnl are compiled in ../../lib
+dnl
+dnl The variable 'cf_cv_do_symlinks' is used to control whether we configure
+dnl to install symbolic links to the rel/abi versions of shared libraries.
+dnl
+dnl The variable 'cf_cv_shlib_version' controls whether we use the rel or abi
+dnl version when making symbolic links.
+dnl
+dnl The variable 'cf_cv_shlib_version_infix' controls whether shared library
+dnl version numbers are infix (ex: libncurses.<ver>.dylib) or postfix
+dnl (ex: libncurses.so.<ver>).
+dnl
+dnl Some loaders leave 'so_locations' lying around.  It's nice to clean up.
+AC_DEFUN([CF_SHARED_OPTS],
+[
+	AC_REQUIRE([CF_SUBST_NCURSES_VERSION])
+	LOCAL_LDFLAGS=
+	LOCAL_LDFLAGS2=
+	LD_SHARED_OPTS=
+	INSTALL_LIB="-m 644"
+
+	cf_cv_do_symlinks=no
+
+	AC_MSG_CHECKING(if release/abi version should be used for shared libs)
+	AC_ARG_WITH(shlib-version,
+	[  --with-shlib-version=X  Specify rel or abi version for shared libs],
+	[test -z "$withval" && withval=auto
+	case $withval in #(vi
+	yes) #(vi
+		cf_cv_shlib_version=auto
+		;;
+	rel|abi|auto|no) #(vi
+		cf_cv_shlib_version=$withval
+		;;
+	*)
+		AC_MSG_ERROR([option value must be one of: rel, abi, auto or no])
+		;;
+	esac
+	],[cf_cv_shlib_version=auto])
+	AC_MSG_RESULT($cf_cv_shlib_version)
+
+	cf_cv_rm_so_locs=no
+
+	# Some less-capable ports of gcc support only -fpic
+	CC_SHARED_OPTS=
+	if test "$GCC" = yes
+	then
+		AC_MSG_CHECKING(which $CC option to use)
+		cf_save_CFLAGS="$CFLAGS"
+		for CC_SHARED_OPTS in -fPIC -fpic ''
+		do
+			CFLAGS="$cf_save_CFLAGS $CC_SHARED_OPTS"
+			AC_TRY_COMPILE([#include <stdio.h>],[int x = 1],[break],[])
+		done
+		AC_MSG_RESULT($CC_SHARED_OPTS)
+		CFLAGS="$cf_save_CFLAGS"
+	fi
+
+	cf_cv_shlib_version_infix=no
+
+	case $cf_cv_system_name in
+	beos*)
+		MK_SHARED_LIB='${CC} ${CFLAGS} -o $[@] -Xlinker -soname=`basename $[@]` -nostart -e 0'
+		;;
+	cygwin*)
+		CC_SHARED_OPTS=
+		MK_SHARED_LIB='sh ../mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
+		cf_cv_shlib_version=cygdll
+		cf_cv_shlib_version_infix=cygdll
+		cat >mk_shared_lib.sh <<-CF_EOF
+		#!/bin/sh
+		SHARED_LIB=\[$]1
+		IMPORT_LIB=\`echo "\[$]1" | sed -e 's/cyg/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
+		shift
+		cat <<-EOF
+		Linking shared library
+		** SHARED_LIB \[$]SHARED_LIB
+		** IMPORT_LIB \[$]IMPORT_LIB
+EOF
+		exec \[$]* -shared -Wl,--out-implib=../lib/\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o ../lib/\[$]{SHARED_LIB}
+CF_EOF
+		chmod +x mk_shared_lib.sh 
+		;;
+	darwin*)
+		EXTRA_CFLAGS="-no-cpp-precomp"
+		CC_SHARED_OPTS="-dynamic"
+		MK_SHARED_LIB='${CC} ${CFLAGS} -dynamiclib -install_name ${libdir}/`basename $[@]` -compatibility_version ${ABI_VERSION} -current_version ${ABI_VERSION} -o $[@]'
+		test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=abi
+		cf_cv_shlib_version_infix=yes
+		AC_CACHE_CHECK([if ld -search_paths_first works], cf_cv_ldflags_search_paths_first, [
+			cf_save_LDFLAGS=$LDFLAGS
+			LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
+			AC_TRY_LINK(, [int i;], cf_cv_ldflags_search_paths_first=yes, cf_cv_ldflags_search_paths_first=no)
+				LDFLAGS=$cf_save_LDFLAGS])
+		if test $cf_cv_ldflags_search_paths_first = yes; then
+			LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
+		fi
+		;;
+	hpux*)
+		# (tested with gcc 2.7.2 -- I don't have c89)
+		if test "$GCC" = yes; then
+			LD_SHARED_OPTS='-Xlinker +b -Xlinker ${libdir}'
+		else
+			CC_SHARED_OPTS='+Z'
+			LD_SHARED_OPTS='-Wl,+b,${libdir}'
+		fi
+		MK_SHARED_LIB='${LD} +b ${libdir} -b -o $[@]'
+		# HP-UX shared libraries must be executable, and should be
+		# readonly to exploit a quirk in the memory manager.
+		INSTALL_LIB="-m 555"
+		;;
+	irix*)
+		if test "$cf_cv_ld_rpath" = yes ; then
+			if test "$GCC" = yes; then
+				cf_ld_rpath_opt="-Wl,-rpath,"
+				EXTRA_LDFLAGS="-Wl,-rpath,\${libdir} $EXTRA_LDFLAGS"
+			else
+				cf_ld_rpath_opt="-rpath "
+				EXTRA_LDFLAGS="-rpath \${libdir} $EXTRA_LDFLAGS"
+			fi
+		fi
+		# tested with IRIX 5.2 and 'cc'.
+		if test "$GCC" != yes; then
+			CC_SHARED_OPTS='-KPIC'
+			MK_SHARED_LIB='${CC} -shared -rdata_shared -soname `basename $[@]` -o $[@]'
+		else
+			MK_SHARED_LIB='${CC} -shared -Wl,-soname,`basename $[@]` -o $[@]'
+		fi
+		cf_cv_rm_so_locs=yes
+		;;
+	linux*|gnu*|k*bsd*-gnu)
+		if test "$DFT_LWR_MODEL" = "shared" ; then
+			LOCAL_LDFLAGS="-Wl,-rpath,\$(LOCAL_LIBDIR)"
+			LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
+		fi
+		if test "$cf_cv_ld_rpath" = yes ; then
+			cf_ld_rpath_opt="-Wl,-rpath,"
+			EXTRA_LDFLAGS="-Wl,-rpath,\${libdir} $EXTRA_LDFLAGS"
+		fi
+		CF_SHARED_SONAME
+		MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
+		;;
+	openbsd[[2-9]].*)
+		if test "$DFT_LWR_MODEL" = "shared" ; then
+			LOCAL_LDFLAGS="-Wl,-rpath,\$(LOCAL_LIBDIR)"
+			LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
+		fi
+		if test "$cf_cv_ld_rpath" = yes ; then
+			cf_ld_rpath_opt="-Wl,-rpath,"
+			EXTRA_LDFLAGS="-Wl,-rpath,\${libdir} $EXTRA_LDFLAGS"
+		fi
+		CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
+		CF_SHARED_SONAME
+		MK_SHARED_LIB='${CC} ${CFLAGS} -Wl,-Bshareable,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
+		;;
+	nto-qnx*|openbsd*|freebsd[[12]].*)
+		CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
+		MK_SHARED_LIB='${LD} -Bshareable -o $[@]'
+		test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
+		;;
+	freebsd*)
+		CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
+		if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_ld_rpath" = yes ; then
+			LOCAL_LDFLAGS="-rpath \$(LOCAL_LIBDIR)"
+			LOCAL_LDFLAGS2="-rpath \${libdir} $LOCAL_LDFLAGS"
+			cf_ld_rpath_opt="-rpath "
+			EXTRA_LDFLAGS="-rpath \${libdir} $EXTRA_LDFLAGS"
+		fi
+		CF_SHARED_SONAME
+		MK_SHARED_LIB='${LD} -Bshareable -soname=`basename $[@]` -o $[@]'
+		;;
+	netbsd*)
+		CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
+		test "$cf_cv_ld_rpath" = yes && cf_ld_rpath_opt="-Wl,-rpath,"
+		if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_ld_rpath" = yes ; then
+			LOCAL_LDFLAGS="-Wl,-rpath,\$(LOCAL_LIBDIR)"
+			LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
+			EXTRA_LDFLAGS="-Wl,-rpath,\${libdir} $EXTRA_LDFLAGS"
+			if test "$cf_cv_shlib_version" = auto; then
+			if test -f /usr/libexec/ld.elf_so; then
+				cf_cv_shlib_version=abi
+			else
+				cf_cv_shlib_version=rel
+			fi
+			fi
+			CF_SHARED_SONAME
+			MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname' -o $[@]'
+		else
+			MK_SHARED_LIB='${LD} -Bshareable -o $[@]'
+		fi
+		;;
+	osf*|mls+*)
+		# tested with OSF/1 V3.2 and 'cc'
+		# tested with OSF/1 V3.2 and gcc 2.6.3 (but the c++ demo didn't
+		# link with shared libs).
+		MK_SHARED_LIB='${LD} -set_version ${REL_VERSION}:${ABI_VERSION} -expect_unresolved "*" -shared -soname `basename $[@]`'
+		case $host_os in
+		osf4*)
+			MK_SHARED_LIB="${MK_SHARED_LIB} -msym"
+			;;
+		esac
+		MK_SHARED_LIB="${MK_SHARED_LIB}"' -o $[@]'
+		if test "$DFT_LWR_MODEL" = "shared" ; then
+			LOCAL_LDFLAGS="-Wl,-rpath,\$(LOCAL_LIBDIR)"
+			LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
+		fi
+		if test "$cf_cv_ld_rpath" = yes ; then
+			cf_ld_rpath_opt="-rpath"
+			# EXTRA_LDFLAGS="$LOCAL_LDFLAGS $EXTRA_LDFLAGS"
+		fi
+		cf_cv_rm_so_locs=yes
+		;;
+	sco3.2v5*)  # (also uw2* and UW7) hops 13-Apr-98
+		# tested with osr5.0.5
+		if test "$GCC" != yes; then
+			CC_SHARED_OPTS='-belf -KPIC'
+		fi
+		MK_SHARED_LIB='${LD} -dy -G -h `basename $[@] .${REL_VERSION}`.${ABI_VERSION} -o [$]@'
+		if test "$cf_cv_ld_rpath" = yes ; then
+			# only way is to set LD_RUN_PATH but no switch for it
+			RUN_PATH=$libdir
+		fi
+		test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
+		LINK_PROGS='LD_RUN_PATH=${libdir}'
+		LINK_TESTS='Pwd=`pwd`;LD_RUN_PATH=`dirname $${Pwd}`/lib'
+		;;
+	sunos4*)
+		# tested with SunOS 4.1.1 and gcc 2.7.0
+		if test "$GCC" != yes; then
+			CC_SHARED_OPTS='-KPIC'
+		fi
+		MK_SHARED_LIB='${LD} -assert pure-text -o $[@]'
+		test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
+		;;
+	solaris2*)
+		# tested with SunOS 5.5.1 (solaris 2.5.1) and gcc 2.7.2
+		# tested with SunOS 5.10 (solaris 10) and gcc 3.4.3
+		if test "$DFT_LWR_MODEL" = "shared" ; then
+			LOCAL_LDFLAGS="-R \$(LOCAL_LIBDIR):\${libdir}"
+			LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
+		fi
+		if test "$cf_cv_ld_rpath" = yes ; then
+			cf_ld_rpath_opt="-R"
+			EXTRA_LDFLAGS="$LOCAL_LDFLAGS $EXTRA_LDFLAGS"
+		fi
+		CF_SHARED_SONAME
+		if test "$GCC" != yes; then
+			CC_SHARED_OPTS='-xcode=pic32'
+			MK_SHARED_LIB='${CC} -dy -G -h '$cf_cv_shared_soname' -o $[@]'
+		else
+			MK_SHARED_LIB='${CC} -shared -dy -G -h '$cf_cv_shared_soname' -o $[@]'
+		fi
+		;;
+	sysv5uw7*|unix_sv*)
+		# tested with UnixWare 7.1.0 (gcc 2.95.2 and cc)
+		if test "$GCC" != yes; then
+			CC_SHARED_OPTS='-KPIC'
+		fi
+		MK_SHARED_LIB='${LD} -d y -G -o [$]@'
+		;;
+	*)
+		CC_SHARED_OPTS='unknown'
+		MK_SHARED_LIB='echo unknown'
+		;;
+	esac
+
+	# This works if the last tokens in $MK_SHARED_LIB are the -o target.
+	case "$cf_cv_shlib_version" in #(vi
+	rel|abi)
+		case "$MK_SHARED_LIB" in #(vi
+		*'-o $[@]')
+			test "$cf_cv_do_symlinks" = no && cf_cv_do_symlinks=yes
+			;;
+		*)
+			AC_MSG_WARN(ignored --with-shlib-version)
+			;;
+		esac
+		;;
+	esac
+
+	if test -n "$cf_ld_rpath_opt" ; then
+		AC_MSG_CHECKING(if we need a space after rpath option)
+		cf_save_LIBS="$LIBS"
+		LIBS="$LIBS ${cf_ld_rpath_opt}$libdir"
+		AC_TRY_LINK(, , cf_rpath_space=no, cf_rpath_space=yes)
+		LIBS="$cf_save_LIBS"
+		AC_MSG_RESULT($cf_rpath_space)
+		test "$cf_rpath_space" = yes && cf_ld_rpath_opt="$cf_ld_rpath_opt "
+		MK_SHARED_LIB="$MK_SHARED_LIB $cf_ld_rpath_opt\${libdir}"
+	fi
+
+	AC_SUBST(CC_SHARED_OPTS)
+	AC_SUBST(LD_SHARED_OPTS)
+	AC_SUBST(MK_SHARED_LIB)
+	AC_SUBST(LINK_PROGS)
+	AC_SUBST(LINK_TESTS)
+	AC_SUBST(EXTRA_LDFLAGS)
+	AC_SUBST(LOCAL_LDFLAGS)
+	AC_SUBST(LOCAL_LDFLAGS2)
+	AC_SUBST(INSTALL_LIB)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_SHARED_SONAME version: 3 updated: 2008/09/08 18:34:43
+dnl ----------------
+dnl utility macro for CF_SHARED_OPTS, constructs "$cf_cv_shared_soname" for
+dnl substitution into MK_SHARED_LIB string for the "-soname" (or similar)
+dnl option.
+dnl
+dnl $1 is the default that should be used for "$cf_cv_shlib_version".
+dnl If missing, use "rel".
+define([CF_SHARED_SONAME],
+[
+	test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=ifelse($1,,rel,$1)
+	if test "$cf_cv_shlib_version" = rel; then
+		cf_cv_shared_soname='`basename $[@] .${REL_VERSION}`.${ABI_VERSION}'
+	else
+		cf_cv_shared_soname='`basename $[@]`'
+	fi
+])
+dnl ---------------------------------------------------------------------------
+dnl CF_SIGWINCH version: 1 updated: 2006/04/02 16:41:09
+dnl -----------
+dnl Use this macro after CF_XOPEN_SOURCE, but do not require it (not all
+dnl programs need this test).
+dnl
+dnl This is really a MacOS X 10.4.3 workaround.  Defining _POSIX_C_SOURCE
+dnl forces SIGWINCH to be undefined (breaks xterm, ncurses).  Oddly, the struct
+dnl winsize declaration is left alone - we may revisit this if Apple choose to
+dnl break that part of the interface as well.
+AC_DEFUN([CF_SIGWINCH],
+[
+AC_CACHE_CHECK(if SIGWINCH is defined,cf_cv_define_sigwinch,[
+	AC_TRY_COMPILE([
+#include <sys/types.h>
+#include <sys/signal.h>
+],[int x = SIGWINCH],
+	[cf_cv_define_sigwinch=yes],
+	[AC_TRY_COMPILE([
+#undef _XOPEN_SOURCE
+#undef _POSIX_SOURCE
+#undef _POSIX_C_SOURCE
+#include <sys/types.h>
+#include <sys/signal.h>
+],[int x = SIGWINCH],
+	[cf_cv_define_sigwinch=maybe],
+	[cf_cv_define_sigwinch=no])
+])
+])
+
+if test "$cf_cv_define_sigwinch" = maybe ; then
+AC_CACHE_CHECK(for actual SIGWINCH definition,cf_cv_fixup_sigwinch,[
+cf_cv_fixup_sigwinch=unknown
+cf_sigwinch=32
+while test $cf_sigwinch != 1
+do
+	AC_TRY_COMPILE([
+#undef _XOPEN_SOURCE
+#undef _POSIX_SOURCE
+#undef _POSIX_C_SOURCE
+#include <sys/types.h>
+#include <sys/signal.h>
+],[
+#if SIGWINCH != $cf_sigwinch
+make an error
+#endif
+int x = SIGWINCH],
+	[cf_cv_fixup_sigwinch=$cf_sigwinch
+	 break])
+
+cf_sigwinch=`expr $cf_sigwinch - 1`
+done
+])
+
+	if test "$cf_cv_fixup_sigwinch" != unknown ; then
+		CPPFLAGS="$CPPFLAGS -DSIGWINCH=$cf_cv_fixup_sigwinch"
+	fi
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_SIG_ATOMIC_T version: 2 updated: 2005/09/18 17:27:12
+dnl ---------------
+dnl signal handler, but there are some gcc depedencies in that recommendation.
+dnl Try anyway.
+AC_DEFUN([CF_SIG_ATOMIC_T],
+[
+AC_MSG_CHECKING(for signal global datatype)
+AC_CACHE_VAL(cf_cv_sig_atomic_t,[
+	for cf_type in \
+		"volatile sig_atomic_t" \
+		"sig_atomic_t" \
+		"int"
+	do
+	AC_TRY_COMPILE([
+#include <sys/types.h>
+#include <signal.h>
+#include <stdio.h>
+
+extern $cf_type x;
+$cf_type x;
+static void handler(int sig)
+{
+	x = 5;
+}],
+		[signal(SIGINT, handler);
+		 x = 1],
+		[cf_cv_sig_atomic_t=$cf_type],
+		[cf_cv_sig_atomic_t=no])
+		test "$cf_cv_sig_atomic_t" != no && break
+	done
+	])
+AC_MSG_RESULT($cf_cv_sig_atomic_t)
+test "$cf_cv_sig_atomic_t" != no && AC_DEFINE_UNQUOTED(SIG_ATOMIC_T, $cf_cv_sig_atomic_t)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_SIZECHANGE version: 8 updated: 2000/11/04 12:22:16
+dnl -------------
+dnl Check for definitions & structures needed for window size-changing
+dnl FIXME: check that this works with "snake" (HP-UX 10.x)
+AC_DEFUN([CF_SIZECHANGE],
+[
+AC_REQUIRE([CF_STRUCT_TERMIOS])
+AC_CACHE_CHECK(declaration of size-change, cf_cv_sizechange,[
+    cf_cv_sizechange=unknown
+    cf_save_CPPFLAGS="$CPPFLAGS"
+
+for cf_opts in "" "NEED_PTEM_H"
+do
+
+    CPPFLAGS="$cf_save_CPPFLAGS"
+    test -n "$cf_opts" && CPPFLAGS="$CPPFLAGS -D$cf_opts"
+    AC_TRY_COMPILE([#include <sys/types.h>
+#ifdef HAVE_TERMIOS_H
+#include <termios.h>
+#else
+#ifdef HAVE_TERMIO_H
+#include <termio.h>
+#endif
+#endif
+#ifdef NEED_PTEM_H
+/* This is a workaround for SCO:  they neglected to define struct winsize in
+ * termios.h -- it's only in termio.h and ptem.h
+ */
+#include        <sys/stream.h>
+#include        <sys/ptem.h>
+#endif
+#if !defined(sun) || !defined(HAVE_TERMIOS_H)
+#include <sys/ioctl.h>
+#endif
+],[
+#ifdef TIOCGSIZE
+	struct ttysize win;	/* FIXME: what system is this? */
+	int y = win.ts_lines;
+	int x = win.ts_cols;
+#else
+#ifdef TIOCGWINSZ
+	struct winsize win;
+	int y = win.ws_row;
+	int x = win.ws_col;
+#else
+	no TIOCGSIZE or TIOCGWINSZ
+#endif /* TIOCGWINSZ */
+#endif /* TIOCGSIZE */
+	],
+	[cf_cv_sizechange=yes],
+	[cf_cv_sizechange=no])
+
+	CPPFLAGS="$cf_save_CPPFLAGS"
+	if test "$cf_cv_sizechange" = yes ; then
+		echo "size-change succeeded ($cf_opts)" >&AC_FD_CC
+		test -n "$cf_opts" && cf_cv_sizechange="$cf_opts"
+		break
+	fi
+done
+])
+if test "$cf_cv_sizechange" != no ; then
+	AC_DEFINE(HAVE_SIZECHANGE)
+	case $cf_cv_sizechange in #(vi
+	NEED*)
+		AC_DEFINE_UNQUOTED($cf_cv_sizechange )
+		;;
+	esac
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_SRC_MODULES version: 18 updated: 2005/05/28 12:58:54
+dnl --------------
+dnl For each parameter, test if the source-directory exists, and if it contains
+dnl a 'modules' file.  If so, add to the list $cf_cv_src_modules which we'll
+dnl use in CF_LIB_RULES.
+dnl
+dnl This uses the configured value to make the lists SRC_SUBDIRS and
+dnl SUB_MAKEFILES which are used in the makefile-generation scheme.
+AC_DEFUN([CF_SRC_MODULES],
+[
+AC_MSG_CHECKING(for src modules)
+
+# dependencies and linker-arguments for test-programs
+TEST_DEPS="${LIB_DIR}/${LIB_PREFIX}${LIB_NAME}${DFT_DEP_SUFFIX} $TEST_DEPS"
+TEST_DEP2="${LIB_2ND}/${LIB_PREFIX}${LIB_NAME}${DFT_DEP_SUFFIX} $TEST_DEP2"
+if test "$DFT_LWR_MODEL" = "libtool"; then
+	TEST_ARGS="${TEST_DEPS}"
+	TEST_ARG2="${TEST_DEP2}"
+else
+	TEST_ARGS="-l${LIB_NAME}${DFT_ARG_SUFFIX} $TEST_ARGS"
+	TEST_ARG2="-l${LIB_NAME}${DFT_ARG_SUFFIX} $TEST_ARG2"
+fi
+
+cf_cv_src_modules=
+for cf_dir in $1
+do
+	if test -f $srcdir/$cf_dir/modules; then
+
+		# We may/may not have tack in the distribution, though the
+		# makefile is.
+		if test $cf_dir = tack ; then
+			if test ! -f $srcdir/${cf_dir}/${cf_dir}.h; then
+				continue
+			fi
+		fi
+
+		if test -z "$cf_cv_src_modules"; then
+			cf_cv_src_modules=$cf_dir
+		else
+			cf_cv_src_modules="$cf_cv_src_modules $cf_dir"
+		fi
+
+		# Make the ncurses_cfg.h file record the library interface files as
+		# well.  These are header files that are the same name as their
+		# directory.  Ncurses is the only library that does not follow
+		# that pattern.
+		if test $cf_dir = tack ; then
+			continue
+		elif test -f $srcdir/${cf_dir}/${cf_dir}.h; then
+			CF_UPPER(cf_have_include,$cf_dir)
+			AC_DEFINE_UNQUOTED(HAVE_${cf_have_include}_H)
+			AC_DEFINE_UNQUOTED(HAVE_LIB${cf_have_include})
+			TEST_DEPS="${LIB_DIR}/${LIB_PREFIX}${cf_dir}${DFT_DEP_SUFFIX} $TEST_DEPS"
+			TEST_DEP2="${LIB_2ND}/${LIB_PREFIX}${cf_dir}${DFT_DEP_SUFFIX} $TEST_DEP2"
+			if test "$DFT_LWR_MODEL" = "libtool"; then
+				TEST_ARGS="${TEST_DEPS}"
+				TEST_ARG2="${TEST_DEP2}"
+			else
+				TEST_ARGS="-l${cf_dir}${DFT_ARG_SUFFIX} $TEST_ARGS"
+				TEST_ARG2="-l${cf_dir}${DFT_ARG_SUFFIX} $TEST_ARG2"
+			fi
+		fi
+	fi
+done
+AC_MSG_RESULT($cf_cv_src_modules)
+
+TEST_ARGS="-L${LIB_DIR} $TEST_ARGS"
+TEST_ARG2="-L${LIB_2ND} $TEST_ARG2"
+
+AC_SUBST(TEST_ARGS)
+AC_SUBST(TEST_DEPS)
+
+AC_SUBST(TEST_ARG2)
+AC_SUBST(TEST_DEP2)
+
+SRC_SUBDIRS="man include"
+for cf_dir in $cf_cv_src_modules
+do
+	SRC_SUBDIRS="$SRC_SUBDIRS $cf_dir"
+done
+SRC_SUBDIRS="$SRC_SUBDIRS test"
+test -z "$MAKE_TERMINFO" && SRC_SUBDIRS="$SRC_SUBDIRS misc"
+test "$cf_with_cxx_binding" != no && SRC_SUBDIRS="$SRC_SUBDIRS c++"
+
+ADA_SUBDIRS=
+if test "$cf_cv_prog_gnat_correct" = yes && test -f $srcdir/Ada95/Makefile.in; then
+   SRC_SUBDIRS="$SRC_SUBDIRS Ada95"
+   ADA_SUBDIRS="gen src samples"
+fi
+
+SUB_MAKEFILES=
+for cf_dir in $SRC_SUBDIRS
+do
+	SUB_MAKEFILES="$SUB_MAKEFILES $cf_dir/Makefile"
+done
+
+if test -n "$ADA_SUBDIRS"; then
+   for cf_dir in $ADA_SUBDIRS
+   do
+      SUB_MAKEFILES="$SUB_MAKEFILES Ada95/$cf_dir/Makefile"
+   done
+   AC_SUBST(ADA_SUBDIRS)
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_STDCPP_LIBRARY version: 5 updated: 2000/08/12 23:18:52
+dnl -----------------
+dnl Check for -lstdc++, which is GNU's standard C++ library.
+AC_DEFUN([CF_STDCPP_LIBRARY],
+[
+if test -n "$GXX" ; then
+case $cf_cv_system_name in #(vi
+os2*) #(vi
+	cf_stdcpp_libname=stdcpp
+	;;
+*)
+	cf_stdcpp_libname=stdc++
+	;;
+esac
+AC_CACHE_CHECK(for library $cf_stdcpp_libname,cf_cv_libstdcpp,[
+	cf_save="$LIBS"
+	LIBS="$LIBS -l$cf_stdcpp_libname"
+AC_TRY_LINK([
+#include <strstream.h>],[
+char buf[80];
+strstreambuf foo(buf, sizeof(buf))
+],
+	[cf_cv_libstdcpp=yes],
+	[cf_cv_libstdcpp=no])
+	LIBS="$cf_save"
+])
+test "$cf_cv_libstdcpp" = yes && CXXLIBS="$CXXLIBS -l$cf_stdcpp_libname"
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_STRIP_G_OPT version: 3 updated: 2002/12/21 19:25:52
+dnl --------------
+dnl	Remove "-g" option from the compiler options
+AC_DEFUN([CF_STRIP_G_OPT],
+[$1=`echo ${$1} | sed -e 's%-g %%' -e 's%-g$%%'`])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_STRUCT_SIGACTION version: 3 updated: 2000/08/12 23:18:52
+dnl -------------------
+dnl Check if we need _POSIX_SOURCE defined to use struct sigaction.  We'll only
+dnl do this if we've found the sigaction function.
+dnl
+dnl If needed, define SVR4_ACTION.
+AC_DEFUN([CF_STRUCT_SIGACTION],[
+if test "$ac_cv_func_sigaction" = yes; then
+AC_MSG_CHECKING(whether sigaction needs _POSIX_SOURCE)
+AC_TRY_COMPILE([
+#include <sys/types.h>
+#include <signal.h>],
+	[struct sigaction act],
+	[sigact_bad=no],
+	[
+AC_TRY_COMPILE([
+#define _POSIX_SOURCE
+#include <sys/types.h>
+#include <signal.h>],
+	[struct sigaction act],
+	[sigact_bad=yes
+	 AC_DEFINE(SVR4_ACTION)],
+	 [sigact_bad=unknown])])
+AC_MSG_RESULT($sigact_bad)
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_STRUCT_TERMIOS version: 5 updated: 2000/11/04 12:22:46
+dnl -----------------
+dnl Some machines require _POSIX_SOURCE to completely define struct termios.
+dnl If so, define SVR4_TERMIO
+AC_DEFUN([CF_STRUCT_TERMIOS],[
+AC_CHECK_HEADERS( \
+termio.h \
+termios.h \
+unistd.h \
+)
+if test "$ISC" = yes ; then
+	AC_CHECK_HEADERS( sys/termio.h )
+fi
+if test "$ac_cv_header_termios_h" = yes ; then
+	case "$CFLAGS $CPPFLAGS" in
+	*-D_POSIX_SOURCE*)
+		termios_bad=dunno ;;
+	*)	termios_bad=maybe ;;
+	esac
+	if test "$termios_bad" = maybe ; then
+	AC_MSG_CHECKING(whether termios.h needs _POSIX_SOURCE)
+	AC_TRY_COMPILE([#include <termios.h>],
+		[struct termios foo; int x = foo.c_iflag],
+		termios_bad=no, [
+		AC_TRY_COMPILE([
+#define _POSIX_SOURCE
+#include <termios.h>],
+			[struct termios foo; int x = foo.c_iflag],
+			termios_bad=unknown,
+			termios_bad=yes AC_DEFINE(SVR4_TERMIO))
+			])
+	AC_MSG_RESULT($termios_bad)
+	fi
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_SUBDIR_PATH version: 5 updated: 2007/07/29 09:55:12
+dnl --------------
+dnl Construct a search-list for a nonstandard header/lib-file
+dnl	$1 = the variable to return as result
+dnl	$2 = the package name
+dnl	$3 = the subdirectory, e.g., bin, include or lib
+AC_DEFUN([CF_SUBDIR_PATH],
+[$1=""
+
+CF_ADD_SUBDIR_PATH($1,$2,$3,/usr,$prefix)
+CF_ADD_SUBDIR_PATH($1,$2,$3,$prefix,NONE)
+CF_ADD_SUBDIR_PATH($1,$2,$3,/usr/local,$prefix)
+CF_ADD_SUBDIR_PATH($1,$2,$3,/opt,$prefix)
+CF_ADD_SUBDIR_PATH($1,$2,$3,[$]HOME,$prefix)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_SUBST version: 4 updated: 2006/06/17 12:33:03
+dnl --------
+dnl	Shorthand macro for substituting things that the user may override
+dnl	with an environment variable.
+dnl
+dnl	$1 = long/descriptive name
+dnl	$2 = environment variable
+dnl	$3 = default value
+AC_DEFUN([CF_SUBST],
+[AC_CACHE_VAL(cf_cv_subst_$2,[
+AC_MSG_CHECKING(for $1 (symbol $2))
+CF_SUBST_IF([-z "[$]$2"], [$2], [$3])
+cf_cv_subst_$2=[$]$2
+AC_MSG_RESULT([$]$2)
+])
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_SUBST_IF version: 2 updated: 2006/06/17 12:33:03
+dnl -----------
+dnl	Shorthand macro for substituting things that the user may override
+dnl	with an environment variable.
+dnl
+dnl	$1 = condition to pass to "test"
+dnl	$2 = environment variable
+dnl	$3 = value if the test succeeds
+dnl	$4 = value if the test fails
+AC_DEFUN([CF_SUBST_IF],
+[
+if test $1 ; then
+	$2=$3
+ifelse($4,,,[else
+	$2=$4])
+fi
+AC_SUBST($2)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_SUBST_NCURSES_VERSION version: 8 updated: 2006/09/16 11:40:59
+dnl ------------------------
+dnl Get the version-number for use in shared-library naming, etc.
+AC_DEFUN([CF_SUBST_NCURSES_VERSION],
+[
+AC_REQUIRE([CF_PROG_EGREP])
+NCURSES_MAJOR="`$ac_cv_prog_egrep '^NCURSES_MAJOR[[ 	]]*=' $srcdir/dist.mk | sed -e 's/^[[^0-9]]*//'`"
+NCURSES_MINOR="`$ac_cv_prog_egrep '^NCURSES_MINOR[[ 	]]*=' $srcdir/dist.mk | sed -e 's/^[[^0-9]]*//'`"
+NCURSES_PATCH="`$ac_cv_prog_egrep '^NCURSES_PATCH[[ 	]]*=' $srcdir/dist.mk | sed -e 's/^[[^0-9]]*//'`"
+cf_cv_abi_version=${NCURSES_MAJOR}
+cf_cv_rel_version=${NCURSES_MAJOR}.${NCURSES_MINOR}
+dnl Show the computed version, for logging
+cf_cv_timestamp=`date`
+AC_MSG_RESULT(Configuring NCURSES $cf_cv_rel_version ABI $cf_cv_abi_version ($cf_cv_timestamp))
+dnl We need these values in the generated headers
+AC_SUBST(NCURSES_MAJOR)
+AC_SUBST(NCURSES_MINOR)
+AC_SUBST(NCURSES_PATCH)
+dnl We need these values in the generated makefiles
+AC_SUBST(cf_cv_rel_version)
+AC_SUBST(cf_cv_abi_version)
+AC_SUBST(cf_cv_builtin_bool)
+AC_SUBST(cf_cv_header_stdbool_h)
+AC_SUBST(cf_cv_type_of_bool)dnl
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_SYS_TIME_SELECT version: 4 updated: 2000/10/04 09:18:40
+dnl ------------------
+dnl Check if we can include <sys/time.h> with <sys/select.h>; this breaks on
+dnl older SCO configurations.
+AC_DEFUN([CF_SYS_TIME_SELECT],
+[
+AC_MSG_CHECKING(if sys/time.h works with sys/select.h)
+AC_CACHE_VAL(cf_cv_sys_time_select,[
+AC_TRY_COMPILE([
+#include <sys/types.h>
+#ifdef HAVE_SYS_TIME_H
+#include <sys/time.h>
+#endif
+#ifdef HAVE_SYS_SELECT_H
+#include <sys/select.h>
+#endif
+],[],[cf_cv_sys_time_select=yes],
+     [cf_cv_sys_time_select=no])
+     ])
+AC_MSG_RESULT($cf_cv_sys_time_select)
+test "$cf_cv_sys_time_select" = yes && AC_DEFINE(HAVE_SYS_TIME_SELECT)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_TOP_BUILDDIR version: 1 updated: 2006/10/15 16:33:23
+dnl ---------------
+dnl Define a top_builddir symbol, for applications that need an absolute path.
+AC_DEFUN([CF_TOP_BUILDDIR],
+[
+top_builddir=`pwd`
+AC_SUBST(top_builddir)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_TYPEOF_CHTYPE version: 8 updated: 2006/12/16 12:33:30
+dnl ----------------
+dnl Determine the type we should use for chtype (and attr_t, which is treated
+dnl as the same thing).  We want around 32 bits, so on most machines want a
+dnl long, but on newer 64-bit machines, probably want an int.  If we're using
+dnl wide characters, we have to have a type compatible with that, as well.
+AC_DEFUN([CF_TYPEOF_CHTYPE],
+[
+AC_MSG_CHECKING([for type of chtype])
+AC_CACHE_VAL(cf_cv_typeof_chtype,[
+		AC_TRY_RUN([
+#define WANT_BITS 31
+#include <stdio.h>
+int main()
+{
+	FILE *fp = fopen("cf_test.out", "w");
+	if (fp != 0) {
+		char *result = "long";
+		if (sizeof(unsigned long) > sizeof(unsigned int)) {
+			int n;
+			unsigned int x, y;
+			for (n = 0; n < WANT_BITS; n++) {
+				x = (1 << n);
+				y = (x >> n);
+				if (y != 1 || x == 0) {
+					x = 0;
+					break;
+				}
+			}
+			/*
+			 * If x is nonzero, an int is big enough for the bits
+			 * that we want.
+			 */
+			result = (x != 0) ? "int" : "long";
+		}
+		fputs(result, fp);
+		fclose(fp);
+	}
+	${cf_cv_main_return:-return}(0);
+}
+		],
+		[cf_cv_typeof_chtype=`cat cf_test.out`],
+		[cf_cv_typeof_chtype=long],
+		[cf_cv_typeof_chtype=long])
+		rm -f cf_test.out
+	])
+AC_MSG_RESULT($cf_cv_typeof_chtype)
+
+AC_SUBST(cf_cv_typeof_chtype)
+AC_DEFINE_UNQUOTED(TYPEOF_CHTYPE,$cf_cv_typeof_chtype)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_TYPE_SIGACTION version: 3 updated: 2000/08/12 23:18:52
+dnl -----------------
+dnl
+AC_DEFUN([CF_TYPE_SIGACTION],
+[
+AC_MSG_CHECKING([for type sigaction_t])
+AC_CACHE_VAL(cf_cv_type_sigaction,[
+	AC_TRY_COMPILE([
+#include <signal.h>],
+		[sigaction_t x],
+		[cf_cv_type_sigaction=yes],
+		[cf_cv_type_sigaction=no])])
+AC_MSG_RESULT($cf_cv_type_sigaction)
+test "$cf_cv_type_sigaction" = yes && AC_DEFINE(HAVE_TYPE_SIGACTION)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_UNSIGNED_LITERALS version: 2 updated: 1998/02/07 22:10:16
+dnl --------------------
+dnl Test if the compiler supports 'U' and 'L' suffixes.  Only old compilers
+dnl won't, but they're still there.
+AC_DEFUN([CF_UNSIGNED_LITERALS],
+[
+AC_MSG_CHECKING([if unsigned literals are legal])
+AC_CACHE_VAL(cf_cv_unsigned_literals,[
+	AC_TRY_COMPILE([],[long x = 1L + 1UL + 1U + 1],
+		[cf_cv_unsigned_literals=yes],
+		[cf_cv_unsigned_literals=no])
+	])
+AC_MSG_RESULT($cf_cv_unsigned_literals)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_UPPER version: 5 updated: 2001/01/29 23:40:59
+dnl --------
+dnl Make an uppercase version of a variable
+dnl $1=uppercase($2)
+AC_DEFUN([CF_UPPER],
+[
+$1=`echo "$2" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_UTF8_LIB version: 5 updated: 2008/10/17 19:37:52
+dnl -----------
+dnl Check for multibyte support, and if not found, utf8 compatibility library
+AC_DEFUN([CF_UTF8_LIB],
+[
+AC_CACHE_CHECK(for multibyte character support,cf_cv_utf8_lib,[
+	cf_save_LIBS="$LIBS"
+	AC_TRY_LINK([
+#include <stdlib.h>],[putwc(0,0);],
+	[cf_cv_utf8_lib=yes],
+	[CF_FIND_LINKAGE([
+#include <libutf8.h>],[putwc(0,0);],utf8,
+		[cf_cv_utf8_lib=add-on],
+		[cf_cv_utf8_lib=no])
+])])
+
+# HAVE_LIBUTF8_H is used by ncurses if curses.h is shared between
+# ncurses/ncursesw:
+if test "$cf_cv_utf8_lib" = "add-on" ; then
+	AC_DEFINE(HAVE_LIBUTF8_H)
+	CF_ADD_INCDIR($cf_cv_header_path_utf8)
+	CF_ADD_LIBDIR($cf_cv_library_path_utf8)
+	LIBS="-lutf8 $LIBS"
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_VERBOSE version: 3 updated: 2007/07/29 09:55:12
+dnl ----------
+dnl Use AC_VERBOSE w/o the warnings
+AC_DEFUN([CF_VERBOSE],
+[test -n "$verbose" && echo "	$1" 1>&AC_FD_MSG
+CF_MSG_LOG([$1])
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_WCHAR_TYPE version: 2 updated: 2004/01/17 19:18:20
+dnl -------------
+dnl Check if type wide-character type $1 is declared, and if so, which header
+dnl file is needed.  The second parameter is used to set a shell variable when
+dnl the type is not found.  The first parameter sets a shell variable for the
+dnl opposite sense.
+AC_DEFUN([CF_WCHAR_TYPE],
+[
+# This is needed on Tru64 5.0 to declare $1
+AC_CACHE_CHECK(if we must include wchar.h to declare $1,cf_cv_$1,[
+AC_TRY_COMPILE([
+#include <stdlib.h>
+#include <stdarg.h>
+#include <stdio.h>
+#ifdef HAVE_LIBUTF8_H
+#include <libutf8.h>
+#endif],
+	[$1 state],
+	[cf_cv_$1=no],
+	[AC_TRY_COMPILE([
+#include <stdlib.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <wchar.h>
+#ifdef HAVE_LIBUTF8_H
+#include <libutf8.h>
+#endif],
+	[$1 value],
+	[cf_cv_$1=yes],
+	[cf_cv_$1=unknown])])])
+
+if test "$cf_cv_$1" = yes ; then
+	AC_DEFINE(NEED_WCHAR_H)
+	NEED_WCHAR_H=1
+fi
+
+ifelse($2,,,[
+# if we do not find $1 in either place, use substitution to provide a fallback.
+if test "$cf_cv_$1" = unknown ; then
+	$2=1
+fi
+])
+ifelse($3,,,[
+# if we find $1 in either place, use substitution to provide a fallback.
+if test "$cf_cv_$1" != unknown ; then
+	$3=1
+fi
+])
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_WEAK_SYMBOLS version: 1 updated: 2008/08/16 19:18:06
+dnl ---------------
+dnl Check for compiler-support for weak symbols.
+dnl This works with "recent" gcc.
+AC_DEFUN([CF_WEAK_SYMBOLS],[
+AC_CACHE_CHECK(if $CC supports weak symbols,cf_cv_weak_symbols,[
+
+AC_TRY_COMPILE([
+#include <stdio.h>],
+[
+#if defined(__GNUC__)
+#  if defined __USE_ISOC99
+#    define _cat_pragma(exp)	_Pragma(#exp)
+#    define _weak_pragma(exp)	_cat_pragma(weak name)
+#  else
+#    define _weak_pragma(exp)
+#  endif
+#  define _declare(name)	__extension__ extern __typeof__(name) name
+#  define weak_symbol(name)	_weak_pragma(name) _declare(name) __attribute__((weak))
+#endif
+
+weak_symbol(fopen);
+],[cf_cv_weak_symbols=yes],[cf_cv_weak_symbols=no])
+])
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_WITH_ABI_VERSION version: 1 updated: 2003/09/20 18:12:49
+dnl -------------------
+dnl Allow library's ABI to be overridden.  Generally this happens when a
+dnl packager has incremented the ABI past that used in the original package,
+dnl and wishes to keep doing this.
+dnl
+dnl $1 is the package name, if any, to derive a corresponding {package}_ABI
+dnl symbol.
+AC_DEFUN([CF_WITH_ABI_VERSION],[
+test -z "$cf_cv_abi_version" && cf_cv_abi_version=0
+AC_ARG_WITH(abi-version,
+[  --with-abi-version=XXX  override derived ABI version],
+[AC_MSG_WARN(overriding ABI version $cf_cv_abi_version to $withval)
+ cf_cv_abi_version=$withval])
+ CF_NUMBER_SYNTAX($cf_cv_abi_version,ABI version)
+ifelse($1,,,[
+$1_ABI=$cf_cv_abi_version
+])
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_WITH_DBMALLOC version: 6 updated: 2006/12/16 14:24:05
+dnl ----------------
+dnl Configure-option for dbmalloc.  The optional parameter is used to override
+dnl the updating of $LIBS, e.g., to avoid conflict with subsequent tests.
+AC_DEFUN([CF_WITH_DBMALLOC],[
+CF_NO_LEAKS_OPTION(dbmalloc,
+	[  --with-dbmalloc         test: use Conor Cahill's dbmalloc library],
+	[USE_DBMALLOC])
+
+if test "$with_dbmalloc" = yes ; then
+	AC_CHECK_HEADER(dbmalloc.h,
+		[AC_CHECK_LIB(dbmalloc,[debug_malloc]ifelse($1,,[],[,$1]))])
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_WITH_DMALLOC version: 6 updated: 2006/12/16 14:24:05
+dnl ---------------
+dnl Configure-option for dmalloc.  The optional parameter is used to override
+dnl the updating of $LIBS, e.g., to avoid conflict with subsequent tests.
+AC_DEFUN([CF_WITH_DMALLOC],[
+CF_NO_LEAKS_OPTION(dmalloc,
+	[  --with-dmalloc          test: use Gray Watson's dmalloc library],
+	[USE_DMALLOC])
+
+if test "$with_dmalloc" = yes ; then
+	AC_CHECK_HEADER(dmalloc.h,
+		[AC_CHECK_LIB(dmalloc,[dmalloc_debug]ifelse($1,,[],[,$1]))])
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_WITH_GPM version: 7 updated: 2008/03/23 14:48:54
+dnl -----------
+dnl
+dnl The option parameter (if neither yes/no) is assumed to be the name of
+dnl the gpm library, e.g., for dynamic loading.
+AC_DEFUN([CF_WITH_GPM],
+[
+AC_MSG_CHECKING(if you want to link with the GPM mouse library)
+AC_ARG_WITH(gpm,
+	[  --with-gpm              use Alessandro Rubini's GPM library],
+	[with_gpm=$withval],
+	[with_gpm=maybe])
+AC_MSG_RESULT($with_gpm)
+
+if test "$with_gpm" != no ; then
+	AC_CHECK_HEADER(gpm.h,[
+		AC_DEFINE(HAVE_GPM_H)
+		if test "$with_gpm" != yes && test "$with_gpm" != maybe ; then
+			CF_VERBOSE(assuming we really have GPM library)
+			AC_DEFINE(HAVE_LIBGPM)
+		else
+			AC_CHECK_LIB(gpm,Gpm_Open,[:],[
+				AC_MSG_ERROR(Cannot link with GPM library)
+		fi
+		with_gpm=yes
+		])
+	],[
+		test "$with_gpm" != maybe && AC_MSG_WARN(Cannot find GPM header)
+		with_gpm=no
+	])
+fi
+])
+dnl ---------------------------------------------------------------------------
+dnl CF_WITH_LIBTOOL version: 19 updated: 2008/03/29 15:46:43
+dnl ---------------
+dnl Provide a configure option to incorporate libtool.  Define several useful
+dnl symbols for the makefile rules.
+dnl
+dnl The reference to AC_PROG_LIBTOOL does not normally work, since it uses
+dnl macros from libtool.m4 which is in the aclocal directory of automake.
+dnl Following is a simple script which turns on the AC_PROG_LIBTOOL macro.
+dnl But that still does not work properly since the macro is expanded outside
+dnl the CF_WITH_LIBTOOL macro:
+dnl
+dnl	#!/bin/sh
+dnl	ACLOCAL=`aclocal --print-ac-dir`
+dnl	if test -z "$ACLOCAL" ; then
+dnl		echo cannot find aclocal directory
+dnl		exit 1
+dnl	elif test ! -f $ACLOCAL/libtool.m4 ; then
+dnl		echo cannot find libtool.m4 file
+dnl		exit 1
+dnl	fi
+dnl	
+dnl	LOCAL=aclocal.m4
+dnl	ORIG=aclocal.m4.orig
+dnl	
+dnl	trap "mv $ORIG $LOCAL" 0 1 2 5 15
+dnl	rm -f $ORIG
+dnl	mv $LOCAL $ORIG
+dnl	
+dnl	# sed the LIBTOOL= assignment to omit the current directory?
+dnl	sed -e 's/^LIBTOOL=.*/LIBTOOL=${LIBTOOL-libtool}/' $ACLOCAL/libtool.m4 >>$LOCAL
+dnl	cat $ORIG >>$LOCAL
+dnl	
+dnl	autoconf-257 $*
+dnl
+AC_DEFUN([CF_WITH_LIBTOOL],
+[
+ifdef([AC_PROG_LIBTOOL],,[
+LIBTOOL=
+])
+# common library maintenance symbols that are convenient for libtool scripts:
+LIB_CREATE='${AR} -cr'
+LIB_OBJECT='${OBJECTS}'
+LIB_SUFFIX=.a
+LIB_PREP="$RANLIB"
+
+# symbols used to prop libtool up to enable it to determine what it should be
+# doing:
+LIB_CLEAN=
+LIB_COMPILE=
+LIB_LINK='${CC}'
+LIB_INSTALL=
+LIB_UNINSTALL=
+
+AC_MSG_CHECKING(if you want to build libraries with libtool)
+AC_ARG_WITH(libtool,
+	[  --with-libtool          generate libraries with libtool],
+	[with_libtool=$withval],
+	[with_libtool=no])
+AC_MSG_RESULT($with_libtool)
+if test "$with_libtool" != "no"; then
+ifdef([AC_PROG_LIBTOOL],[
+	# missing_content_AC_PROG_LIBTOOL{{
+	AC_PROG_LIBTOOL
+	# missing_content_AC_PROG_LIBTOOL}}
+],[
+ 	if test "$with_libtool" != "yes" ; then
+		CF_PATH_SYNTAX(with_libtool)
+		LIBTOOL=$with_libtool
+	else
+ 		AC_PATH_PROG(LIBTOOL,libtool)
+ 	fi
+ 	if test -z "$LIBTOOL" ; then
+ 		AC_MSG_ERROR(Cannot find libtool)
+ 	fi
+])dnl
+	LIB_CREATE='${LIBTOOL} --mode=link ${CC} -rpath ${DESTDIR}${libdir} -version-info `cut -f1 ${srcdir}/VERSION` ${LIBTOOL_OPTS} -o'
+	LIB_OBJECT='${OBJECTS:.o=.lo}'
+	LIB_SUFFIX=.la
+	LIB_CLEAN='${LIBTOOL} --mode=clean'
+	LIB_COMPILE='${LIBTOOL} --mode=compile'
+	LIB_LINK='${LIBTOOL} --mode=link ${CC} ${LIBTOOL_OPTS}'
+	LIB_INSTALL='${LIBTOOL} --mode=install'
+	LIB_UNINSTALL='${LIBTOOL} --mode=uninstall'
+	LIB_PREP=:
+
+	# Show the version of libtool
+	AC_MSG_CHECKING(version of libtool)
+
+	# Save the version in a cache variable - this is not entirely a good
+	# thing, but the version string from libtool is very ugly, and for
+	# bug reports it might be useful to have the original string.
+	cf_cv_libtool_version=`$LIBTOOL --version 2>&1 | sed -e '/^$/d' |sed -e '2,$d' -e 's/([[^)]]*)//g' -e 's/^[[^1-9]]*//' -e 's/[[^0-9.]].*//'`
+	AC_MSG_RESULT($cf_cv_libtool_version)
+	if test -z "$cf_cv_libtool_version" ; then
+		AC_MSG_ERROR(This is not GNU libtool)
+	fi
+
+	# special hack to add --tag option for C++ compiler
+	case $cf_cv_libtool_version in
+	1.[[5-9]]*|[[2-9]]*)
+		LIBTOOL_CXX="$LIBTOOL --tag=CXX"
+		LIBTOOL="$LIBTOOL --tag=CC"
+		;;
+	*)
+		LIBTOOL_CXX="$LIBTOOL"
+		;;
+	esac
+else
+	LIBTOOL=""
+	LIBTOOL_CXX=""
+fi
+
+test -z "$LIBTOOL" && ECHO_LT=
+
+AC_SUBST(LIBTOOL)
+AC_SUBST(LIBTOOL_CXX)
+AC_SUBST(LIBTOOL_OPTS)
+
+AC_SUBST(LIB_CREATE)
+AC_SUBST(LIB_OBJECT)
+AC_SUBST(LIB_SUFFIX)
+AC_SUBST(LIB_PREP)
+
+AC_SUBST(LIB_CLEAN)
+AC_SUBST(LIB_COMPILE)
+AC_SUBST(LIB_LINK)
+AC_SUBST(LIB_INSTALL)
+AC_SUBST(LIB_UNINSTALL)
+
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_WITH_PATH version: 8 updated: 2007/05/13 13:16:35
+dnl ------------
+dnl Wrapper for AC_ARG_WITH to ensure that user supplies a pathname, not just
+dnl defaulting to yes/no.
+dnl
+dnl $1 = option name
+dnl $2 = help-text
+dnl $3 = environment variable to set
+dnl $4 = default value, shown in the help-message, must be a constant
+dnl $5 = default value, if it's an expression & cannot be in the help-message
+dnl
+AC_DEFUN([CF_WITH_PATH],
+[AC_ARG_WITH($1,[$2 ](default: ifelse($4,,empty,$4)),,
+ifelse($4,,[withval="${$3}"],[withval="${$3-ifelse($5,,$4,$5)}"]))dnl
+if ifelse($5,,true,[test -n "$5"]) ; then
+CF_PATH_SYNTAX(withval)
+fi
+$3="$withval"
+AC_SUBST($3)dnl
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_WITH_PATHLIST version: 5 updated: 2001/12/10 01:28:30
+dnl ----------------
+dnl Process an option specifying a list of colon-separated paths.
+dnl
+dnl $1 = option name
+dnl $2 = help-text
+dnl $3 = environment variable to set
+dnl $4 = default value, shown in the help-message, must be a constant
+dnl $5 = default value, if it's an expression & cannot be in the help-message
+dnl $6 = flag to tell if we want to define or substitute
+dnl
+AC_DEFUN([CF_WITH_PATHLIST],[
+AC_REQUIRE([CF_PATHSEP])
+AC_ARG_WITH($1,[$2 ](default: ifelse($4,,empty,$4)),,
+ifelse($4,,[withval=${$3}],[withval=${$3-ifelse($5,,$4,$5)}]))dnl
+
+IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${PATHSEP}"
+cf_dst_path=
+for cf_src_path in $withval
+do
+  CF_PATH_SYNTAX(cf_src_path)
+  test -n "$cf_dst_path" && cf_dst_path="${cf_dst_path}:"
+  cf_dst_path="${cf_dst_path}${cf_src_path}"
+done
+IFS="$ac_save_ifs"
+
+ifelse($6,define,[
+# Strip single quotes from the value, e.g., when it was supplied as a literal
+# for $4 or $5.
+case $cf_dst_path in #(vi
+\'*)
+  cf_dst_path=`echo $cf_dst_path |sed -e s/\'// -e s/\'\$//`
+  ;;
+esac
+cf_dst_path=`echo "$cf_dst_path" | sed -e 's/\\\\/\\\\\\\\/g'`
+])
+
+eval '$3="$cf_dst_path"'
+AC_SUBST($3)dnl
+
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_WITH_PTHREAD version: 2 updated: 2008/08/23 18:26:05
+dnl ---------------
+dnl Check for POSIX thread library.
+AC_DEFUN([CF_WITH_PTHREAD],
+[
+AC_MSG_CHECKING(if you want to link with the pthread library)
+AC_ARG_WITH(pthread,
+    [  --with-pthread          use POSIX thread library],
+    [with_pthread=$withval],
+    [with_pthread=no])
+AC_MSG_RESULT($with_pthread)
+
+if test "$with_pthread" != no ; then
+    AC_CHECK_HEADER(pthread.h,[
+        AC_DEFINE(HAVE_PTHREADS_H)
+
+        AC_MSG_CHECKING(if we can link with the pthread library)
+        cf_save_LIBS="$LIBS"
+        LIBS="-lpthread $LIBS"
+        AC_TRY_LINK([
+#include <pthread.h>
+],[
+        int rc = pthread_create(0,0,0,0);
+],[with_pthread=yes],[with_pthread=no])
+        LIBS="$cf_save_LIBS"
+        AC_MSG_RESULT($with_pthread)
+
+        if test "$with_pthread" = yes ; then
+            LIBS="-lpthread $LIBS"
+            AC_DEFINE(HAVE_LIBPTHREADS)
+        else
+            AC_MSG_ERROR(Cannot link with pthread library)
+        fi
+    ])
+fi
+])
+dnl ---------------------------------------------------------------------------
+dnl CF_WITH_REL_VERSION version: 1 updated: 2003/09/20 18:12:49
+dnl -------------------
+dnl Allow library's release-version to be overridden.  Generally this happens when a
+dnl packager has incremented the release-version past that used in the original package,
+dnl and wishes to keep doing this.
+dnl
+dnl $1 is the package name, if any, to derive corresponding {package}_MAJOR
+dnl and {package}_MINOR symbols
+dnl symbol.
+AC_DEFUN([CF_WITH_REL_VERSION],[
+test -z "$cf_cv_rel_version" && cf_cv_rel_version=0.0
+AC_ARG_WITH(rel-version,
+[  --with-rel-version=XXX  override derived release version],
+[AC_MSG_WARN(overriding release version $cf_cv_rel_version to $withval)
+ cf_cv_rel_version=$withval])
+ifelse($1,,[
+ CF_NUMBER_SYNTAX($cf_cv_rel_version,Release version)
+],[
+ $1_MAJOR=`echo "$cf_cv_rel_version" | sed -e 's/\..*//'`
+ $1_MINOR=`echo "$cf_cv_rel_version" | sed -e 's/^[[^.]]*//' -e 's/^\.//' -e 's/\..*//'`
+ CF_NUMBER_SYNTAX([$]$1_MAJOR,Release major-version)
+ CF_NUMBER_SYNTAX([$]$1_MINOR,Release minor-version)
+])
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_WITH_SYSMOUSE version: 2 updated: 2003/03/22 19:13:43
+dnl ----------------
+dnl If we can compile with sysmouse, make it available unless it is not wanted.
+AC_DEFUN([CF_WITH_SYSMOUSE],[
+# not everyone has "test -c"
+if test -c /dev/sysmouse 2>/dev/null ; then
+AC_MSG_CHECKING(if you want to use sysmouse)
+AC_ARG_WITH(sysmouse,
+	[  --with-sysmouse         use sysmouse (FreeBSD console)],
+	[cf_with_sysmouse=$withval],
+	[cf_with_sysmouse=maybe])
+	if test "$cf_with_sysmouse" != no ; then
+	AC_TRY_COMPILE([
+#include <osreldate.h>
+#if (__FreeBSD_version >= 400017)
+#include <sys/consio.h>
+#include <sys/fbio.h>
+#else
+#include <machine/console.h>
+#endif
+],[
+	struct mouse_info the_mouse;
+	ioctl(0, CONS_MOUSECTL, &the_mouse);
+],[cf_with_sysmouse=yes],[cf_with_sysmouse=no])
+	fi
+AC_MSG_RESULT($cf_with_sysmouse)
+test "$cf_with_sysmouse" = yes && AC_DEFINE(USE_SYSMOUSE)
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_WITH_VALGRIND version: 1 updated: 2006/12/14 18:00:21
+dnl ----------------
+AC_DEFUN([CF_WITH_VALGRIND],[
+CF_NO_LEAKS_OPTION(valgrind,
+	[  --with-valgrind         test: use valgrind],
+	[USE_VALGRIND])
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_XOPEN_SOURCE version: 26 updated: 2008/07/27 11:26:57
+dnl ---------------
+dnl Try to get _XOPEN_SOURCE defined properly that we can use POSIX functions,
+dnl or adapt to the vendor's definitions to get equivalent functionality,
+dnl without losing the common non-POSIX features.
+dnl
+dnl Parameters:
+dnl	$1 is the nominal value for _XOPEN_SOURCE
+dnl	$2 is the nominal value for _POSIX_C_SOURCE
+AC_DEFUN([CF_XOPEN_SOURCE],[
+
+AC_REQUIRE([CF_PROG_CC_U_D])
+
+cf_XOPEN_SOURCE=ifelse($1,,500,$1)
+cf_POSIX_C_SOURCE=ifelse($2,,199506L,$2)
+
+case $host_os in #(vi
+aix[[45]]*) #(vi
+	CPPFLAGS="$CPPFLAGS -D_ALL_SOURCE"
+	;;
+freebsd*|dragonfly*) #(vi
+	# 5.x headers associate
+	#	_XOPEN_SOURCE=600 with _POSIX_C_SOURCE=200112L
+	#	_XOPEN_SOURCE=500 with _POSIX_C_SOURCE=199506L
+	cf_POSIX_C_SOURCE=200112L
+	cf_XOPEN_SOURCE=600
+	CPPFLAGS="$CPPFLAGS -D_BSD_TYPES -D__BSD_VISIBLE -D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
+	;;
+hpux*) #(vi
+	CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE"
+	;;
+irix[[56]].*) #(vi
+	CPPFLAGS="$CPPFLAGS -D_SGI_SOURCE"
+	;;
+linux*|gnu*|k*bsd*-gnu) #(vi
+	CF_GNU_SOURCE
+	;;
+mirbsd*) #(vi
+	# setting _XOPEN_SOURCE or _POSIX_SOURCE breaks <arpa/inet.h>
+	;;
+netbsd*) #(vi
+	# setting _XOPEN_SOURCE breaks IPv6 for lynx on NetBSD 1.6, breaks xterm, is not needed for ncursesw
+	;;
+openbsd*) #(vi
+	# setting _XOPEN_SOURCE breaks xterm on OpenBSD 2.8, is not needed for ncursesw
+	;;
+osf[[45]]*) #(vi
+	CPPFLAGS="$CPPFLAGS -D_OSF_SOURCE"
+	;;
+nto-qnx*) #(vi
+	CPPFLAGS="$CPPFLAGS -D_QNX_SOURCE"
+	;;
+sco*) #(vi
+	# setting _XOPEN_SOURCE breaks Lynx on SCO Unix / OpenServer
+	;;
+solaris*) #(vi
+	CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
+	;;
+*)
+	AC_CACHE_CHECK(if we should define _XOPEN_SOURCE,cf_cv_xopen_source,[
+	AC_TRY_COMPILE([#include <sys/types.h>],[
+#ifndef _XOPEN_SOURCE
+make an error
+#endif],
+	[cf_cv_xopen_source=no],
+	[cf_save="$CPPFLAGS"
+	 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
+	 AC_TRY_COMPILE([#include <sys/types.h>],[
+#ifdef _XOPEN_SOURCE
+make an error
+#endif],
+	[cf_cv_xopen_source=no],
+	[cf_cv_xopen_source=$cf_XOPEN_SOURCE])
+	CPPFLAGS="$cf_save"
+	])
+])
+	if test "$cf_cv_xopen_source" != no ; then
+		CF_REMOVE_DEFINE(CFLAGS,$CFLAGS,_XOPEN_SOURCE)
+		CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,_XOPEN_SOURCE)
+		test "$cf_cv_cc_u_d_options" = yes && \
+			CPPFLAGS="$CPPFLAGS -U_XOPEN_SOURCE"
+		CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=$cf_cv_xopen_source"
+	fi
+	CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
+	;;
+esac
+])