autogen: improve detection of parameter change.

git-svn-id: svn+ssh://svn.enlightenment.org/var/svn/e/trunk/evas@58667 7cbeb6ba-43b4-40fd-8cce-4c39aea84d33

diff --git a/autogen.sh b/autogen.sh
index 6499736..3563ad3 100755 (executable)
--- a/autogen.sh
+++ b/autogen.sh
@@ -1,13 +1,33 @@
 #!/bin/sh
 
-touch README
-
 echo "Running aclocal..." ; aclocal $ACLOCAL_FLAGS -I m4 || exit 1
 echo "Running autoheader..." ; autoheader || exit 1
 echo "Running autoconf..." ; autoconf || exit 1
 echo "Running libtoolize..." ; (libtoolize --copy --automake || glibtoolize --automake) || exit 1
 echo "Running automake..." ; automake --add-missing --copy --gnu || exit 1
 
+W=0
+
+rm -f config.cache-env.tmp
+echo "OLD_PARM=\"$@\"" >> config.cache-env.tmp
+echo "OLD_CFLAGS=\"$CFLAGS\"" >> config.cache-env.tmp
+echo "OLD_PATH=\"$PATH\"" >> config.cache-env.tmp
+echo "OLD_PKG_CONFIG_PATH=\"$PKG_CONFIG_PATH\"" >> config.cache-env.tmp
+echo "OLD_LDFLAGS=\"$LDFLAGS\"" >> config.cache-env.tmp
+
+cmp config.cache-env.tmp config.cache-env >> /dev/null
+if [ $? -ne 0 ]; then
+       W=1;
+fi
+
+if [ $W -ne 0 ]; then
+       echo "Cleaning configure cache...";
+       rm -f config.cache config.cache-env
+       mv config.cache-env.tmp config.cache-env
+else
+       rm -f config.cache-env.tmp
+fi
+
 if [ -z "$NOCONFIGURE" ]; then
        ./configure -C "$@"
 fi