diff --git a/lib/Makefile b/lib/Makefile
index 348cb72..aaddbe3 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -100,7 +100,7 @@ endif
 endif
 endif
 
-XFLAGS = $(CPPFLAGS) $(CFLAGS) $(PICFLAGS) $(TGT)
+XFLAGS = $(filter-out -b,$(CPPFLAGS) $(CFLAGS) $(PICFLAGS) $(TGT))
 
 ifeq ($(TARGETOS),Darwin)
  XAR = $(DIR)/tiny_libmaker$(EXESUF)