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-rw-r--r--src/gl_draw.cxx5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/gl_draw.cxx b/src/gl_draw.cxx
index 6d16fbb78..8df9718e4 100644
--- a/src/gl_draw.cxx
+++ b/src/gl_draw.cxx
@@ -362,9 +362,12 @@ void gl_draw_image(const uchar* b, int x, int y, int w, int h, int d, int ld) {
#if ! defined(FL_DOXYGEN)
#include <FL/x.H>
+#if !defined(kCGBitmapByteOrder32Host) // doc says available 10.4 but some 10.4 don't have it
+# define kCGBitmapByteOrder32Host 0
+#endif
+
#if MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_4
# include <OpenGL/glext.h>
-# define kCGBitmapByteOrder32Host 0
# define GL_TEXTURE_RECTANGLE_ARB GL_TEXTURE_RECTANGLE_EXT
#endif // MAC_OS_X_VERSION_MAX_ALLOWED