mesa: Ensure gl* symbols are marked as dllexport on windows.

diff --git a/src/mesa/SConscript b/src/mesa/SConscript
index 72ddc341d1910552672ae97fa767542f37dd5f5a..21c98301d7d0973cd28fa136fd9f19bf2b255c9e 100644 (file)
--- a/src/mesa/SConscript
+++ b/src/mesa/SConscript
@@ -12,6 +12,12 @@ if env['platform'] != 'winddk':
                '#/src/mesa',
        ])
        
+       if env['platform'] == 'windows':
+               env.Append(CPPDEFINES = [
+                       '_GDI32_', # prevent gl* being declared __declspec(dllimport) in MS headers
+                       'BUILD_GL32', # declare gl* as __declspec(dllexport) in Mesa headers 
+               ])       
+
        #
        # Source files
        #