autogen: improve detection of parameter change.

SVN revision: 58667

autogen.sh

@@ -1,15 +1,33 @@
 #!/bin/sh
 
-touch README
-touch ABOUT-NLS
-
-echo "Running autopoint..." ; autopoint -f || :
-echo "Running aclocal..." ; aclocal -I m4 $ACLOCAL_FLAGS || exit 1
-echo "Running autoconf..." ; autoconf || exit 1
+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