From ee7e5fb5b142322bd4d31deb10226c521cf8bfe5 Mon Sep 17 00:00:00 2001
From: cedric <cedric@7cbeb6ba-43b4-40fd-8cce-4c39aea84d33>
Date: Thu, 14 Apr 2011 14:03:46 +0000
Subject: [PATCH] autogen: improve detection of parameter change.

git-svn-id: svn+ssh://svn.enlightenment.org/var/svn/e/trunk/ethumb@58667 7cbeb6ba-43b4-40fd-8cce-4c39aea84d33
---
 autogen.sh | 27 +++++++++++++++++++++++----
 1 file changed, 23 insertions(+), 4 deletions(-)

diff --git a/autogen.sh b/autogen.sh
index 5bbd4d9..3563ad3 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -1,14 +1,33 @@
 #!/bin/sh
 
-rm -rf autom4te.cache
-rm -f aclocal.m4 ltmain.sh
-
 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 "$@"
+	./configure -C "$@"
 fi
-- 
2.7.4