configure.ac - android_external_tigervnc - Gitiles

 dnl Process this file with autoconf to produce a configure script.
 AC_PREREQ([2.57])

 dnl Modify also RCVERSION variable when modifying release
 AC_INIT([tigervnc], [1.0.90], [http://www.tigervnc.org])
 RCVERSION="1,0,90,0"
 AC_SUBST([RCVERSION])

 BUILD=`date +%Y%m%d`
 AC_CONFIG_AUX_DIR([.])
 AM_INIT_AUTOMAKE([-Wall foreign dist-bzip2])

 AC_CONFIG_SUBDIRS([common/zlib])

 AC_CONFIG_HEADERS([config.h])

 dnl Checks for programs.
 AC_PROG_CC
 AC_PROG_CXX
 AC_PROG_LIBTOOL
 AC_LANG([C++])
 AM_GNU_GETTEXT([external])
 AM_GNU_GETTEXT_VERSION([0.14.4])

 case "`(uname -sr) 2>/dev/null`" in
 "SunOS 5"*)
 	SOLARIS=yes
 	USE_MITSHM=yes
 	USE_SUN_OVL=yes
 	;;
 "IRIX 6"*)
 	LDFLAGS="-L/usr/lib32 $LDFLAGS"
 	USE_MITSHM=yes
 	USE_READDISPLAY=yes
 	;;
 "LynxOS 2"*)
 	SJLJ_EXCEPTIONS=yes
 	;;
 esac

 BUILD_WIN=
 case "$host_os" in
 mingw32*)
 	CPPFLAGS="$CPPFLAGS -DWINVER=0x0500 -D_WIN32_IE=0x0500"
 	CXXFLAGS="$CXXFLAGS -mthreads"
 	BUILD_WIN=yes
 	AC_CHECK_TOOL([WINDRES], windres, [AC_MSG_ERROR(windres not found)])
 	;;
 mingw*)
 	AC_MSG_ERROR(["Only 32bit MinGW builds are supported"])
 	;;
 esac
 AM_CONDITIONAL([BUILD_WIN], [test "x$BUILD_WIN" = xyes])
 if test "x$BUILD_WIN" = xyes; then
 	AC_DEFINE([BUILD_WIN],1,[is it a windows build])
 fi

 dnl FIXME: Check for MIT-SHM properly, add a corresponding --with option.
 if test "$USE_MITSHM" = yes; then
 	MITSHM_DEFINE="-DHAVE_MITSHM"
 fi
 AC_SUBST(MITSHM_DEFINE)

 if test "$GCC" = yes; then
 	CFLAGS="$CFLAGS -Wall"
 	if test "$SOLARIS" = yes; then
 		CFLAGS="$CFLAGS -Wno-unknown-pragmas -Wno-implicit-int"
 	fi
 fi
 if test "$GXX" = yes; then
 	CXXFLAGS="$CXXFLAGS -Wall"
 	if test "$SOLARIS" = yes; then
 		CXXFLAGS="$CXXFLAGS -Wno-unknown-pragmas -fpermissive"
 	fi
 	if test "$SJLJ_EXCEPTIONS" = yes; then
 		CXXFLAGS="$CXXFLAGS -fsjlj-exceptions"
 	fi
 fi

 AC_PATH_XTRA

 dnl Check gnutls availability
 AC_ARG_ENABLE([gnutls],
 	AS_HELP_STRING([--enable-gnutls],
 		       [build in GNUTLS based encryption support (default yes)]),
 	[enable_gnutls="$enableval"], [enable_gnutls=yes])
 AC_ARG_VAR(GNUTLS_CFLAGS, [Custom C compiler flags for using GnuTLS, e.g. -I{GnuTLS directory}/include])
 AC_ARG_VAR(GNUTLS_LDFLAGS, [Custom linker flags for using GnuTLS, e.g. -L{GnuTLS directory}/lib -lgnutls])

 GNUTLS_LIBS=
 if test "x$enable_gnutls" = xyes; then
 	if test "x$GNUTLS_LDFLAGS" = "x"; then
 		GNUTLS_LDFLAGS='-lgnutls -lgcrypt -lgpg-error'
 		AC_CHECK_LIB([tasn1], [asn1_create_element], [GNUTLS_LDFLAGS="${GNUTLS_LDFLAGS} -ltasn1"])
 	fi
 	SAVE_LIBS=${LIBS}
 	LIBS="${LIBS} ${GNUTLS_LDFLAGS} -lz"
 	SAVE_CPPFLAGS=${CPPFLAGS}
 	CPPFLAGS="${CPPFLAGS} ${GNUTLS_CFLAGS}"
 	AC_MSG_CHECKING([for GnuTLS library])
 	AC_LINK_IFELSE(AC_LANG_CALL([], gnutls_global_init),
 		       [GNUTLS_LIBS=${GNUTLS_LDFLAGS}
 			AC_DEFINE(HAVE_GNUTLS, 1, [Is gnutls present? ])
 			AC_MSG_RESULT(yes)], AC_MSG_RESULT(no))
 	AC_MSG_CHECKING([for gnutls_transport_set_global_errno() function])
 	AC_LINK_IFELSE(AC_LANG_CALL([], gnutls_transport_set_global_errno),
 		       AC_MSG_RESULT(yes),
 		       [AC_DEFINE(HAVE_OLD_GNUTLS, 1, [Does gnutls lack the gnutls_transport_set_global_errno() function? ])
 			AC_MSG_RESULT(no)])
 	AC_MSG_CHECKING([for gnutls_x509_crt_print() function])
 	AC_LINK_IFELSE(AC_LANG_CALL([], gnutls_x509_crt_print),
 		       [AC_DEFINE(HAVE_GNUTLS_X509_CRT_PRINT, 1, [Is the gnutls_x509_crt_print() function present? ])
 			AC_MSG_RESULT(yes)],
 			AC_MSG_RESULT(no))
 	AC_CHECK_TYPES([gnutls_x509_crt_t, gnutls_datum_t,
 			gnutls_pk_algorithm_t, gnutls_sign_algorithm_t],
 			[], [], [#include <gnutls/gnutls.h>])
 	LIBS=${SAVE_LIBS}
 fi
 AC_SUBST([GNUTLS_LIBS])
 AM_CONDITIONAL([HAVE_GNUTLS], [ ! test "x$GNUTLS_LIBS" = x ])

 AC_ARG_ENABLE([pam],
 	AS_HELP_STRING([--enable-pam],
 		       [build in support for authenticating users using PAM (default yes)]),
 	[enable_pam="$enableval"], [enable_pam=yes])

 PAM_LIBS=
 if test "x$enable_pam" = xyes; then
 	AC_CHECK_LIB([pam], [pam_start],
 		     [AC_CHECK_HEADER([security/pam_appl.h],
 				     [PAM_LIBS='-lpam'
 				      AC_DEFINE(HAVE_PAM, 1, [PAM available])],
 				     [], [#include <stdio.h>])])
 fi
 AC_SUBST([PAM_LIBS])
 AM_CONDITIONAL([HAVE_PAM], [ ! test "x$PAM_LIBS" = x ])

 VNCCONFIG_DIR='vncconfig'
 AC_ARG_ENABLE([vncconfig],
 	AS_HELP_STRING([--enable-vncconfig],
 		       [build the vncconfig utility (default yes)]),
 	[if test "$enableval" = no; then VNCCONFIG_DIR=; fi ], [])
 AC_SUBST(VNCCONFIG_DIR)

 dnl Check for the XTest X11 extension library.
 AC_CHECK_LIB(Xtst,XTestGrabControl,USE_XTEST=yes,USE_XTEST=,
 	     ["$X_LIBS" -lXext -lX11])
 if test "$USE_XTEST" = yes; then
 	XTEST_DEFINE='-DHAVE_XTEST'
 	XTEST_LIB=-lXtst
 else
 	echo Warning: No XTest extension, building x0vncserver view-only
 	XTEST_DEFINE=
 	XTEST_LIB=
 fi
 AC_SUBST(XTEST_DEFINE)
 AC_SUBST(XTEST_LIB)

 dnl Support for READDISPLAY (Irix) and SUN_OVL (Solaris) extensions
 dnl FIXME: Implement corresponding --with options.
 if test "$USE_READDISPLAY" = yes; then
 	READDISPLAY_DEFINE='-DHAVE_READDISPLAY'
 elif test "$USE_SUN_OVL" = yes; then
 	READDISPLAY_DEFINE='-DHAVE_SUN_OVL'
 else
 	READDISPLAY_DEFINE=
 fi
 AC_SUBST(READDISPLAY_DEFINE)

 dnl Under Lynx/OS 2.3, we have to link with -lbsd to resolve
 dnl gethostbyname, inet_addr, htons etc. Check if it's necessary.
 dnl NOTE: Did not want to use AC_SEARCH_LIBS which would add
 dnl   -lbsd to LIBS. We set INET_LIB instead.
 AC_LANG_SAVE
 AC_LANG_C
 AC_CHECK_FUNC(gethostbyname,INET_LIB_REQ=,INET_LIB_REQ=yes)
 if test "$INET_LIB_REQ" = yes; then
 	AC_CHECK_LIB(bsd,gethostbyname,INET_LIB=-lbsd,INET_LIB=)
 fi
 AC_LANG_RESTORE
 AC_SUBST(INET_LIB)

 AC_CHECK_FUNC(setenv, AC_DEFINE([HAVE_SETENV], [1], [Is setenv() present?]))

 dnl Check for zlib library
 INCLUDED_ZLIB=no
 AC_ARG_WITH([included-zlib],
 	AS_HELP_STRING([--with-included-zlib],
 		       [use libz which is distributed with VNC]),
 	[INCLUDED_ZLIB=yes],
 	[AC_SEARCH_LIBS([inflateEnd], [z], [], [INCLUDED_ZLIB=yes])])

 AM_CONDITIONAL([INCLUDED_ZLIB], [ test "x$INCLUDED_ZLIB" = xyes ])
 AC_CONFIG_SUBDIRS([zlib])

 dnl Check for libjpeg library
 AC_SEARCH_LIBS([jpeg_destroy_compress], [jpeg], [], [AC_MSG_ERROR(["libjpeg is required to build TigerVNC"])])

 AC_CHECK_FUNCS([vsnprintf snprintf strcasecmp strncasecmp])

 # Network functions
 AC_SEARCH_LIBS([inet_aton], [resolv])
 AC_CHECK_FUNCS([inet_aton])

 # IPv6 related functions
 AC_CHECK_FUNCS([inet_ntop getaddrinfo])

 AC_CHECK_TYPES([socklen_t], [], [], [[#include <sys/socket.h>]])

 AC_CHECK_HEADERS([sys/select.h])

 # Needed for WinVNC, but not part of mingw yet
 AC_CHECK_DECLS([CLSID_ActiveDesktop], [BUILD_WINVNC=yes], [],
 	       [[#include <windows.h>
 	         #include <shlguid.h>
 	         ]])
 AM_CONDITIONAL([BUILD_WINVNC], [ test "x$BUILD_WINVNC" = xyes ])

 # Packaging stuff
 AM_CONDITIONAL([X86_64], [test "x$host_cpu" = "xx86_64"])

 AC_SUBST(BUILD)

 AC_CONFIG_FILES([makemacpkg:release/makemacpkg.in])
 AC_CONFIG_FILES([maketarball:release/maketarball.in])

 AC_OUTPUT([
 Makefile
 common/Makefile
 common/os/Makefile
 common/rdr/Makefile
 common/network/Makefile
 common/Xregion/Makefile
 common/rfb/Makefile
 unix/Makefile
 unix/tx/Makefile
 unix/x0vncserver/Makefile
 unix/vncviewer/Makefile
 unix/vncconfig/Makefile
 unix/vncpasswd/Makefile
 win/Makefile
 win/vncviewer/Makefile
 win/rfb_win32/Makefile
 win/vncconfig/Makefile
 win/winvnc/Makefile
 win/resdefs.h
 po/Makefile.in
 ])
	dnl Process this file with autoconf to produce a configure script.
	AC_PREREQ([2.57])

	dnl Modify also RCVERSION variable when modifying release
	AC_INIT([tigervnc], [1.0.90], [http://www.tigervnc.org])
	RCVERSION="1,0,90,0"
	AC_SUBST([RCVERSION])

	BUILD=`date +%Y%m%d`
	AC_CONFIG_AUX_DIR([.])
	AM_INIT_AUTOMAKE([-Wall foreign dist-bzip2])

	AC_CONFIG_SUBDIRS([common/zlib])

	AC_CONFIG_HEADERS([config.h])

	dnl Checks for programs.
	AC_PROG_CC
	AC_PROG_CXX
	AC_PROG_LIBTOOL
	AC_LANG([C++])
	AM_GNU_GETTEXT([external])
	AM_GNU_GETTEXT_VERSION([0.14.4])

	case "`(uname -sr) 2>/dev/null`" in
	"SunOS 5"*)
	SOLARIS=yes
	USE_MITSHM=yes
	USE_SUN_OVL=yes
	;;
	"IRIX 6"*)
	LDFLAGS="-L/usr/lib32 $LDFLAGS"
	USE_MITSHM=yes
	USE_READDISPLAY=yes
	;;
	"LynxOS 2"*)
	SJLJ_EXCEPTIONS=yes
	;;
	esac

	BUILD_WIN=
	case "$host_os" in
	mingw32*)
	CPPFLAGS="$CPPFLAGS -DWINVER=0x0500 -D_WIN32_IE=0x0500"
	CXXFLAGS="$CXXFLAGS -mthreads"
	BUILD_WIN=yes
	AC_CHECK_TOOL([WINDRES], windres, [AC_MSG_ERROR(windres not found)])
	;;
	mingw*)
	AC_MSG_ERROR(["Only 32bit MinGW builds are supported"])
	;;
	esac
	AM_CONDITIONAL([BUILD_WIN], [test "x$BUILD_WIN" = xyes])
	if test "x$BUILD_WIN" = xyes; then
	AC_DEFINE([BUILD_WIN],1,[is it a windows build])
	fi

	dnl FIXME: Check for MIT-SHM properly, add a corresponding --with option.
	if test "$USE_MITSHM" = yes; then
	MITSHM_DEFINE="-DHAVE_MITSHM"
	fi
	AC_SUBST(MITSHM_DEFINE)

	if test "$GCC" = yes; then
	CFLAGS="$CFLAGS -Wall"
	if test "$SOLARIS" = yes; then
	CFLAGS="$CFLAGS -Wno-unknown-pragmas -Wno-implicit-int"
	fi
	fi
	if test "$GXX" = yes; then
	CXXFLAGS="$CXXFLAGS -Wall"
	if test "$SOLARIS" = yes; then
	CXXFLAGS="$CXXFLAGS -Wno-unknown-pragmas -fpermissive"
	fi
	if test "$SJLJ_EXCEPTIONS" = yes; then
	CXXFLAGS="$CXXFLAGS -fsjlj-exceptions"
	fi
	fi

	AC_PATH_XTRA

	dnl Check gnutls availability
	AC_ARG_ENABLE([gnutls],
	AS_HELP_STRING([--enable-gnutls],
	[build in GNUTLS based encryption support (default yes)]),
	[enable_gnutls="$enableval"], [enable_gnutls=yes])
	AC_ARG_VAR(GNUTLS_CFLAGS, [Custom C compiler flags for using GnuTLS, e.g. -I{GnuTLS directory}/include])
	AC_ARG_VAR(GNUTLS_LDFLAGS, [Custom linker flags for using GnuTLS, e.g. -L{GnuTLS directory}/lib -lgnutls])

	GNUTLS_LIBS=
	if test "x$enable_gnutls" = xyes; then
	if test "x$GNUTLS_LDFLAGS" = "x"; then
	GNUTLS_LDFLAGS='-lgnutls -lgcrypt -lgpg-error'
	AC_CHECK_LIB([tasn1], [asn1_create_element], [GNUTLS_LDFLAGS="${GNUTLS_LDFLAGS} -ltasn1"])
	fi
	SAVE_LIBS=${LIBS}
	LIBS="${LIBS} ${GNUTLS_LDFLAGS} -lz"
	SAVE_CPPFLAGS=${CPPFLAGS}
	CPPFLAGS="${CPPFLAGS} ${GNUTLS_CFLAGS}"
	AC_MSG_CHECKING([for GnuTLS library])
	AC_LINK_IFELSE(AC_LANG_CALL([], gnutls_global_init),
	[GNUTLS_LIBS=${GNUTLS_LDFLAGS}
	AC_DEFINE(HAVE_GNUTLS, 1, [Is gnutls present? ])
	AC_MSG_RESULT(yes)], AC_MSG_RESULT(no))
	AC_MSG_CHECKING([for gnutls_transport_set_global_errno() function])
	AC_LINK_IFELSE(AC_LANG_CALL([], gnutls_transport_set_global_errno),
	AC_MSG_RESULT(yes),
	[AC_DEFINE(HAVE_OLD_GNUTLS, 1, [Does gnutls lack the gnutls_transport_set_global_errno() function? ])
	AC_MSG_RESULT(no)])
	AC_MSG_CHECKING([for gnutls_x509_crt_print() function])
	AC_LINK_IFELSE(AC_LANG_CALL([], gnutls_x509_crt_print),
	[AC_DEFINE(HAVE_GNUTLS_X509_CRT_PRINT, 1, [Is the gnutls_x509_crt_print() function present? ])
	AC_MSG_RESULT(yes)],
	AC_MSG_RESULT(no))
	AC_CHECK_TYPES([gnutls_x509_crt_t, gnutls_datum_t,
	gnutls_pk_algorithm_t, gnutls_sign_algorithm_t],
	[], [], [#include <gnutls/gnutls.h>])
	LIBS=${SAVE_LIBS}
	fi
	AC_SUBST([GNUTLS_LIBS])
	AM_CONDITIONAL([HAVE_GNUTLS], [ ! test "x$GNUTLS_LIBS" = x ])

	AC_ARG_ENABLE([pam],
	AS_HELP_STRING([--enable-pam],
	[build in support for authenticating users using PAM (default yes)]),
	[enable_pam="$enableval"], [enable_pam=yes])

	PAM_LIBS=
	if test "x$enable_pam" = xyes; then
	AC_CHECK_LIB([pam], [pam_start],
	[AC_CHECK_HEADER([security/pam_appl.h],
	[PAM_LIBS='-lpam'
	AC_DEFINE(HAVE_PAM, 1, [PAM available])],
	[], [#include <stdio.h>])])
	fi
	AC_SUBST([PAM_LIBS])
	AM_CONDITIONAL([HAVE_PAM], [ ! test "x$PAM_LIBS" = x ])

	VNCCONFIG_DIR='vncconfig'
	AC_ARG_ENABLE([vncconfig],
	AS_HELP_STRING([--enable-vncconfig],
	[build the vncconfig utility (default yes)]),
	[if test "$enableval" = no; then VNCCONFIG_DIR=; fi ], [])
	AC_SUBST(VNCCONFIG_DIR)

	dnl Check for the XTest X11 extension library.
	AC_CHECK_LIB(Xtst,XTestGrabControl,USE_XTEST=yes,USE_XTEST=,
	["$X_LIBS" -lXext -lX11])
	if test "$USE_XTEST" = yes; then
	XTEST_DEFINE='-DHAVE_XTEST'
	XTEST_LIB=-lXtst
	else
	echo Warning: No XTest extension, building x0vncserver view-only
	XTEST_DEFINE=
	XTEST_LIB=
	fi
	AC_SUBST(XTEST_DEFINE)
	AC_SUBST(XTEST_LIB)

	dnl Support for READDISPLAY (Irix) and SUN_OVL (Solaris) extensions
	dnl FIXME: Implement corresponding --with options.
	if test "$USE_READDISPLAY" = yes; then
	READDISPLAY_DEFINE='-DHAVE_READDISPLAY'
	elif test "$USE_SUN_OVL" = yes; then
	READDISPLAY_DEFINE='-DHAVE_SUN_OVL'
	else
	READDISPLAY_DEFINE=
	fi
	AC_SUBST(READDISPLAY_DEFINE)

	dnl Under Lynx/OS 2.3, we have to link with -lbsd to resolve
	dnl gethostbyname, inet_addr, htons etc. Check if it's necessary.
	dnl NOTE: Did not want to use AC_SEARCH_LIBS which would add
	dnl -lbsd to LIBS. We set INET_LIB instead.
	AC_LANG_SAVE
	AC_LANG_C
	AC_CHECK_FUNC(gethostbyname,INET_LIB_REQ=,INET_LIB_REQ=yes)
	if test "$INET_LIB_REQ" = yes; then
	AC_CHECK_LIB(bsd,gethostbyname,INET_LIB=-lbsd,INET_LIB=)
	fi
	AC_LANG_RESTORE
	AC_SUBST(INET_LIB)

	AC_CHECK_FUNC(setenv, AC_DEFINE([HAVE_SETENV], [1], [Is setenv() present?]))

	dnl Check for zlib library
	INCLUDED_ZLIB=no
	AC_ARG_WITH([included-zlib],
	AS_HELP_STRING([--with-included-zlib],
	[use libz which is distributed with VNC]),
	[INCLUDED_ZLIB=yes],
	[AC_SEARCH_LIBS([inflateEnd], [z], [], [INCLUDED_ZLIB=yes])])

	AM_CONDITIONAL([INCLUDED_ZLIB], [ test "x$INCLUDED_ZLIB" = xyes ])
	AC_CONFIG_SUBDIRS([zlib])

	dnl Check for libjpeg library
	AC_SEARCH_LIBS([jpeg_destroy_compress], [jpeg], [], [AC_MSG_ERROR(["libjpeg is required to build TigerVNC"])])

	AC_CHECK_FUNCS([vsnprintf snprintf strcasecmp strncasecmp])

	# Network functions
	AC_SEARCH_LIBS([inet_aton], [resolv])
	AC_CHECK_FUNCS([inet_aton])

	# IPv6 related functions
	AC_CHECK_FUNCS([inet_ntop getaddrinfo])

	AC_CHECK_TYPES([socklen_t], [], [], [[#include <sys/socket.h>]])

	AC_CHECK_HEADERS([sys/select.h])

	# Needed for WinVNC, but not part of mingw yet
	AC_CHECK_DECLS([CLSID_ActiveDesktop], [BUILD_WINVNC=yes], [],
	[[#include <windows.h>
	#include <shlguid.h>
	]])
	AM_CONDITIONAL([BUILD_WINVNC], [ test "x$BUILD_WINVNC" = xyes ])

	# Packaging stuff
	AM_CONDITIONAL([X86_64], [test "x$host_cpu" = "xx86_64"])

	AC_SUBST(BUILD)

	AC_CONFIG_FILES([makemacpkg:release/makemacpkg.in])
	AC_CONFIG_FILES([maketarball:release/maketarball.in])

	AC_OUTPUT([
	Makefile
	common/Makefile
	common/os/Makefile
	common/rdr/Makefile
	common/network/Makefile
	common/Xregion/Makefile
	common/rfb/Makefile
	unix/Makefile
	unix/tx/Makefile
	unix/x0vncserver/Makefile
	unix/vncviewer/Makefile
	unix/vncconfig/Makefile
	unix/vncpasswd/Makefile
	win/Makefile
	win/vncviewer/Makefile
	win/rfb_win32/Makefile
	win/vncconfig/Makefile
	win/winvnc/Makefile
	win/resdefs.h
	po/Makefile.in
	])