ERR: remove automatic Carbon framework on osx

Modules/FindGLU.cmake

@@ -18,7 +18,7 @@ ELSE (WIN32)
     # this variable is used in a IF test. So let's set it to the OpenGL
     # framework. It does not harm to duplicate the OpenGL framework and it
     # might even help in case OPENGL_LIBRARY is not set.
-    SET(GLU_LIBRARY "-framework Carbon -framework AGL -framework OpenGL" CACHE STRING "GLU library for OSX")
+    SET(GLU_LIBRARY "-framework AGL -framework OpenGL" CACHE STRING "GLU library for OSX")
   ELSE (APPLE)
     FIND_PATH(GLU_INCLUDE_PATH GL/glu.h
       ${OPENGL_INCLUDE_PATH}

Modules/FindOpenGL.cmake

@@ -14,7 +14,7 @@ IF (WIN32)
   ENDIF(BORLAND)
 ELSE (WIN32)
   IF (APPLE)
-    SET(OPENGL_LIBRARY "-framework Carbon -framework AGL -framework OpenGL" CACHE STRING "OpenGL library for OSX")
+    SET(OPENGL_LIBRARY "-framework AGL -framework OpenGL" CACHE STRING "OpenGL library for OSX")
   ELSE (APPLE)
      FIND_PATH(OPENGL_INCLUDE_PATH GL/gl.h 
        /usr/include