make.sh: Use a better marker to determine if toolchain is present

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

lfs/cleanup-toolchain

@@ -67,6 +67,9 @@ ifeq "$(TOOLCHAIN)" "1"
 
 	# Update/create linker cache.
 	/tools/sbin/ldconfig
+
+	# Set a marker when the toolchain was successfully built
+	touch /tools/.toolchain-successful
 else
 	mv -v /tools/bin/{ld,ld-old}
 	mv -v /tools/$(BUILDTARGET)/bin/{ld,ld-old}

make.sh

@@ -1017,7 +1017,7 @@ build)
 	clear
 	PACKAGE=`ls -v -r $BASEDIR/cache/toolchains/$SNAME-$VERSION-toolchain-$TOOLCHAINVER-${BUILD_ARCH}.tar.gz 2> /dev/null | head -n 1`
 	#only restore on a clean disk
-	if [ ! -f log/cleanup-toolchain-2-tools ]; then
+	if [ ! -e "${BASEDIR}/build/tools/.toolchain-successful" ]; then
 		if [ ! -n "$PACKAGE" ]; then
 			beautify build_stage "Full toolchain compilation - Native GCC: `gcc --version | grep GCC | awk {'print $3'}`"
 			prepareenv