diff --git a/Makefile.in b/Makefile.in
--- a/Makefile.in
+++ b/Makefile.in
@@ -37,7 +37,7 @@ REVISION = !!REVISION!!
 AWK = !!AWK!!
 DISTCC = !!DISTCC!!
 
-RES := $(shell if ! [ -f $(CONFIG_CACHE_SOURCE_LIST) ] || [ -n "`cmp $(CONFIG_CACHE_SOURCE_LIST) $(SOURCE_LIST)`" ]; then cp $(SOURCE_LIST) $(CONFIG_CACHE_SOURCE_LIST); fi )
+RES := $(shell if [ ! -f $(CONFIG_CACHE_SOURCE_LIST) ] || [ -n "`cmp $(CONFIG_CACHE_SOURCE_LIST) $(SOURCE_LIST)`" ]; then cp $(SOURCE_LIST) $(CONFIG_CACHE_SOURCE_LIST); fi )
 
 all: config.cache
 ifdef DISTCC