diff --git a/Makefile b/Makefile
index c0c8882..8237f58 100644
--- a/Makefile
+++ b/Makefile
@@ -10,13 +10,12 @@ CGOFILES:=glut.go
 
 PLATFORM:=$(shell uname -s)
 
-CGO_DEPS:=_cgo_export.o
+CGO_CFLAGS:=-D__$(PLATFORM)
+
 ifeq ($(PLATFORM),Darwin)
-CGO_LDFLAGS:= _cgo_export.o -framework GLUT
-CGO_CFLAGS:=-D__Darwin
+CGO_LDFLAGS:=-framework GLUT
 else
-CGO_LDFLAGS:=-lglut _cgo_export.o 
-CGO_CFLAGS:=-D__$(PLATFORM)
+CGO_LDFLAGS:=-lglut
 endif
 
 include $(GOROOT)/src/Make.pkg