1 files changed, 1 insertions, 1 deletions
diff --git a/Makerules b/Makerules
index 85f21ea1a..87e3c19ee 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 := $(subst $(top_builddir),,$(2))
+__add_IS_IN_lib := $(2)
 $$(__add_IS_IN_lib): CFLAGS-for-library-members:=$(CFLAGS-$(1)) -DIN_LIB=$(word 1,$(subst /, ,$(1)))
 endif
 endef