diff --git a/sqstdlib/Makefile b/sqstdlib/Makefile
index ff29f4f..4d6cd6a 100644
--- a/sqstdlib/Makefile
+++ b/sqstdlib/Makefile
@@ -1,8 +1,10 @@
 SQUIRREL= ..
 
 
-OUT= $(SQUIRREL)/lib/libsqstdlib.a
-INCZ= -I$(SQUIRREL)/include -I. -Iinclude
+OUT?= $(SQUIRREL)/lib/libsqstdlib.a
+INCZ?= -I$(SQUIRREL)/include -I. -Iinclude
+DEFS= $(CC_EXTRA_FLAGS)
+LIB=
 
 OBJS= \
 	sqstdblob.o \
@@ -26,16 +28,16 @@ SRCS= \
 
 
 sq32:
-	gcc -O2 -fno-exceptions -fno-rtti -Wall -fno-strict-aliasing -c $(SRCS) $(INCZ)
+	gcc -O2 -fno-exceptions -fno-rtti -Wall -fno-strict-aliasing -c $(SRCS) $(INCZ) $(DEFS)
 	ar rc $(OUT) *.o
 	rm *.o
 
 sqprof:
-	gcc -O2 -pg -fno-exceptions -fno-rtti -pie -gstabs -g3 -Wall -fno-strict-aliasing -c $(SRCS) $(INCZ)
+	gcc -O2 -pg -fno-exceptions -fno-rtti -pie -gstabs -g3 -Wall -fno-strict-aliasing -c $(SRCS) $(INCZ) $(DEFS)
 	ar rc $(OUT) *.o
 	rm *.o
 
 sq64:
-	gcc -O2 -m64 -fno-exceptions -D_SQ64 -fno-rtti -Wall -fno-strict-aliasing -c $(SRCS) $(INCZ)
+	gcc -O2 -m64 -fno-exceptions -D_SQ64 -fno-rtti -Wall -fno-strict-aliasing -c $(SRCS) $(INCZ) $(DEFS)
 	ar rc $(OUT) *.o
 	rm *.o
diff --git a/squirrel/Makefile b/squirrel/Makefile
index 10dd365..b1fb625 100644
--- a/squirrel/Makefile
+++ b/squirrel/Makefile
@@ -1,9 +1,9 @@
 SQUIRREL= ..
 
 
-OUT= $(SQUIRREL)/lib/libsquirrel.a
-INCZ= -I$(SQUIRREL)/include -I. -Iinclude
-DEFS=
+OUT?= $(SQUIRREL)/lib/libsquirrel.a
+INCZ?= -I$(SQUIRREL)/include -I. -Iinclude
+DEFS= $(CC_EXTRA_FLAGS)
 LIB=
 
 OBJS= \