* configure.in: Avoid substring mismatches but allow matches

to words at front and end of string.

diff --git a/ChangeLog b/ChangeLog
index eb245e176e16f3f0ffa4c0e8c8bc93e724d42f13..d356543c8ebe0aa848f1c4ec92ed3bd65013c86c 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Fri Feb 18 11:23:18 1994  Doug Evans  (dje@canuck.cygnus.com)
+
+       * configure.in: Avoid substring mismatches but allow matches
+       to words at front and end of string.
+
 Fri Feb 11 15:33:33 1994  Stu Grossman  (grossman at cygnus.com)
 
        * config.guess:  Add Lynx/rs6000 config support.

diff --git a/configure.in b/configure.in
index cecd71b2712fae93603c99d217054a1348deb548..50bc07b3a81ce51d4afbbb5aaac91c6e198cb423 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -125,7 +125,7 @@ case ${with_x} in
   yes | "")  # the default value for this tree is that X11 is available
        ;;
   no)
-       configdirs=`echo ${configdirs} | sed -e 's/tk//;/gash//'`
+       configdirs=`echo " ${configdirs} " | sed -e 's/ tk / /;/ gash / /'`
        ;;
   *)
        echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2
@@ -143,13 +143,13 @@ if [ x"${host}" = x"${target}" ] ; then
        # when doing a native toolchain, don't build the targets
        # that are in the 'cross only' list
        for i in ${cross_only} ; do
-         configdirs=`echo ${configdirs} | sed -e "s/$i//"`
+         configdirs=`echo " ${configdirs} " | sed -e "s/ $i / /"`
        done
 else
        # similarly, don't build the targets in the 'native only' 
        # list when building a cross compiler
        for i in ${native_only} ; do
-         configdirs=`echo ${configdirs} | sed -e "s/$i//"`
+         configdirs=`echo " ${configdirs} " | sed -e "s/ $i / /"`
        done
 fi     
 
@@ -263,7 +263,7 @@ esac
 notsupp=""
 for dir in . $noconfigdirs ; do
   if [ $dir != . ] && echo "# ${configdirs} #" | grep "${dir} " >/dev/null 2>&1 ; then
-    configdirs=`echo $configdirs | sed -e "s/${dir} / /"`
+    configdirs=`echo " $configdirs " | sed -e "s/ ${dir} / /"`
     if [ -r $srcdir/$dir/configure ] || [ -r $srcdir/$dir/configure.in ]; then
       notsupp="$notsupp $dir"
     fi