-diff --git a/ccache.c b/ccache.c
-index 88e0ec5..7dffeb4 100644
--- a/ccache.c
+++ b/ccache.c
-@@ -1762,6 +1762,7 @@ calculate_object_hash(struct args *args, struct mdfour *hash, int direct_mode)
+@@ -1790,6 +1790,7 @@ calculate_object_hash(struct args *args,
"CPLUS_INCLUDE_PATH",
"OBJC_INCLUDE_PATH",
"OBJCPLUS_INCLUDE_PATH", // clang