diff --git a/include/osg/Math b/include/osg/Math
index 1f9e2f6e9..13ee35eef 100644
--- a/include/osg/Math
+++ b/include/osg/Math
@@ -7,7 +7,7 @@
 
 #include <math.h>
 
-#if defined(WIN32) || defined (macintosh)|| defined (sun)
+#if defined(WIN32) || defined (macintosh)|| defined (sun) || defined (__DARWIN_OSX__)
 
     #include <float.h>
 
diff --git a/src/osg/Image.cpp b/src/osg/Image.cpp
index 3cfeadcc9..b84bbd35d 100644
--- a/src/osg/Image.cpp
+++ b/src/osg/Image.cpp
@@ -150,7 +150,7 @@ void Image::ensureDimensionsArePowerOfTwo()
     float rounded_tp2 = floorf(tp2+0.5f);
     int new_t = (int)(powf(2.0f,rounded_tp2));
     
-    static int max_size=256;
+    static GLint max_size=256;
 
     static bool init = true;
     if (init)