diff --git a/src/auto/configure b/src/auto/configure
index a3ccfd7..3eb8757 100755
--- a/src/auto/configure
+++ b/src/auto/configure
@@ -4669,10 +4669,11 @@
       echo "$as_me:$LINENO: checking for location of Tcl include" >&5
 echo $ECHO_N "checking for location of Tcl include... $ECHO_C" >&6
       if test "x$MACOSX" != "xyes"; then
-	tclinc="$tclloc/include $tclloc/include/tcl $tclloc/include/tcl$tclver /usr/local/include /usr/include"
+	tclinc="$tclloc/include $tclloc/include/tcl $tclloc/include/tcl$tclver /usr/local/include /usr/include /usr/include/tcl$tclver"
       else
 		tclinc="/System/Library/Frameworks/Tcl.framework/Headers"
       fi
+      TCL_INC=
       for try in $tclinc; do
 	if test -f "$try/tcl.h"; then
 	  echo "$as_me:$LINENO: result: $try/tcl.h" >&5
diff --git a/src/configure.in b/src/configure.in
index c775985..898e79c 100644
--- a/src/configure.in
+++ b/src/configure.in
@@ -794,11 +794,12 @@
 
       AC_MSG_CHECKING(for location of Tcl include)
       if test "x$MACOSX" != "xyes"; then
-	tclinc="$tclloc/include $tclloc/include/tcl $tclloc/include/tcl$tclver /usr/local/include /usr/include"
+	tclinc="$tclloc/include $tclloc/include/tcl $tclloc/include/tcl$tclver /usr/local/include /usr/local/include/tcl$tclver /usr/include /usr/include/tcl$tclver"
       else
 	dnl For Mac OS X 10.3, use the OS-provided framework location
 	tclinc="/System/Library/Frameworks/Tcl.framework/Headers"
       fi
+      TCL_INC=
       for try in $tclinc; do
 	if test -f "$try/tcl.h"; then
 	  AC_MSG_RESULT($try/tcl.h)
diff --git a/src/version.c b/src/version.c
index 45fa674..96a8dd1 100644
--- a/src/version.c
+++ b/src/version.c
@@ -667,6 +667,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    257,
+/**/
     256,
 /**/
     255,