diff --git a/GLURaw.cabal b/GLURaw.cabal
--- a/GLURaw.cabal
+++ b/GLURaw.cabal
@@ -1,5 +1,5 @@
 name: GLURaw
-version: 1.0.0.0
+version: 1.1.0.0
 license: BSD3
 license-file: LICENSE
 maintainer: Sven Panne <sven.panne@aedion.de>
@@ -46,12 +46,12 @@
    ghc-options: -Wall
    if os(windows) && flag(UseNativeWindowsLibraries)
       cpp-options: "-DCALLCONV=stdcall"
-      extra-libraries: glu32
       cc-options: "-DUSE_GETPROCADDRESS"
+      extra-libraries: glu32
    else
       cpp-options: "-DCALLCONV=ccall"
-      extra-libraries: GLU
+      cc-options: "-DUSE_DLSYM"
       if os(darwin)
-         cc-options: "-DUSE_NSADDRESSOFSYMBOL"
+         frameworks: OpenGL
       else
-         cc-options: "-DUSE_DLSYM"
+         extra-libraries: GLU
diff --git a/src/Graphics/Rendering/GLU/Raw/Functions.hs b/src/Graphics/Rendering/GLU/Raw/Functions.hs
--- a/src/Graphics/Rendering/GLU/Raw/Functions.hs
+++ b/src/Graphics/Rendering/GLU/Raw/Functions.hs
@@ -142,4 +142,4 @@
 API_ENTRY_SAFE(gluTessProperty,Ptr GLUtesselator -> GLenum -> GLdouble -> IO ())
 API_ENTRY_SAFE(gluTessVertex,Ptr GLUtesselator -> Ptr GLdouble -> Ptr a -> IO ())
 API_ENTRY(gluUnProject,GLdouble -> GLdouble -> GLdouble -> Ptr GLdouble -> Ptr GLdouble -> Ptr GLint -> Ptr GLdouble -> Ptr GLdouble -> Ptr GLdouble -> IO GLint)
-API_ENTRY(gluUnProject4,GLdouble -> GLdouble -> GLdouble -> GLdouble -> Ptr GLdouble -> Ptr GLdouble -> Ptr GLint -> GLdouble -> GLdouble -> Ptr GLdouble -> Ptr GLdouble -> Ptr GLdouble -> Ptr GLdouble -> IO GLint)
+API_ENTRY(gluUnProject4,GLdouble -> GLdouble -> GLdouble -> GLdouble -> Ptr GLdouble -> Ptr GLdouble -> Ptr GLint -> GLclampd -> GLclampd -> Ptr GLdouble -> Ptr GLdouble -> Ptr GLdouble -> Ptr GLdouble -> IO GLint)