diff --git a/GLFW-b.cabal b/GLFW-b.cabal
--- a/GLFW-b.cabal
+++ b/GLFW-b.cabal
@@ -1,5 +1,5 @@
 name:         GLFW-b
-version:      0.0.2.5
+version:      0.0.2.6
 
 category:     Graphics
 
diff --git a/Makefile b/Makefile
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,6 @@
+GCCFLAGS  := $(shell ghc --info | ghc -e "fmap read getContents >>= putStrLn . unwords . read . Data.Maybe.fromJust . lookup \"Gcc Linker flags\"")
 FRAMEWORK := -framework AGL -framework Cocoa -framework OpenGL
-GLFW_FLAG := -m32 -O2 -Iglfw/include -Iglfw/lib -Iglfw/lib/cocoa $(CFLAGS)
+GLFW_FLAG := $(GCCFLAGS) -msse2 -O2 -Iglfw/include -Iglfw/lib -Iglfw/lib/cocoa $(CFLAGS)
 SRC_DIR   := glfw/lib/cocoa
 GLFW_DIR  := glfw/lib
 BUILD_DIR := build