$FreeBSD$

--- tools/clang/lib/Headers/Makefile.orig
+++ tools/clang/lib/Headers/Makefile
@@ -13,7 +13,7 @@
 # FIXME: Get version from a common place.
 HeaderDir := $(PROJ_OBJ_ROOT)/$(BuildMode)/lib/clang/1.0/include
 
-HEADERS := $(notdir $(wildcard $(PROJ_SRC_DIR)/*.h))
+HEADERS := $(notdir $(wildcard $(PROJ_SRC_DIR)/*mm*.h))
 
 OBJHEADERS := $(addprefix $(HeaderDir)/, $(HEADERS))