1 files changed, 1 insertions, 1 deletions
diff --git a/Makerules b/Makerules
index cc543889c..a60338a87 100644
--- a/Makerules
+++ b/Makerules
@@ -29,7 +29,7 @@ objs: all_objs
 # apply unconditional per-directory flags
 define add_IS_IN_lib
 ifneq ($(strip $(2)),)
-__add_IS_IN_lib := $(2)
+__add_IS_IN_lib := $(2) $(2:.o=.i) $(2:.os=.i) $(2:.oS=.i)
 $$(__add_IS_IN_lib): CFLAGS-for-library-members:=$(CFLAGS-$(1)) -DIN_LIB=$(word 1,$(subst /, ,$(1)))
 endif
 endef