Improve TCL detection (for Ubuntu Feisty) and use tclConfig.sh for header file location

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@9886 626c5289-ae23-0410-ae9c-e8d60b6d4f22

configure.in

@@ -470,9 +470,11 @@ if test x"${with_tclconfig}" != x ; then
 fi
 # check in a few common install locations
 if test x"${TCLCONFIG}" = x ; then
-    for i in `ls -d /usr/lib 2>/dev/null` \
-	    `ls -d /usr/local/lib 2>/dev/null` ; do
-	if test -f "$i/tclConfig.sh" ; then
+    for i in `ls -d /usr/lib/ 2>/dev/null` \
+	     `ls -d -r /usr/lib/tcl*/ 2>/dev/null` \
+	     `ls -d /usr/local/lib/ 2>/dev/null` \
+	     `ls -d -r /usr/local/lib/tcl*/ 2>/dev/null` ; do
+	if test -f $i"tclConfig.sh" ; then
 	    TCLCONFIG=`(cd $i; pwd)`
 	    break
 	fi
@@ -484,7 +486,7 @@ else
     AC_MSG_RESULT(found $TCLCONFIG/tclConfig.sh)
     . $TCLCONFIG/tclConfig.sh
     if test -z "$TCLINCLUDE"; then
-        TCLINCLUDE=$ISYSTEM$TCL_PREFIX/include
+        TCLINCLUDE=`echo $TCL_INCLUDE_SPEC | sed "s/-I/$ISYSTEM/"`
     fi
     if test -z "$TCLLIB"; then
         TCLLIB=$TCL_LIB_SPEC