# pragma warning( disable : 4761 ) /* integral size mismatch in argument; conversion supplied */
# endif
# endif
-# if defined(_MSC_VER) && defined(BUILD_GL32) /* tag specify we're building mesa as a DLL */
+# if (defined(_MSC_VER) || defined(__MINGW32__)) && defined(BUILD_GL32) /* tag specify we're building mesa as a DLL */
# define GLAPI __declspec(dllexport)
# define WGLAPI __declspec(dllexport)
-# elif defined(_MSC_VER) && defined(_DLL) /* tag specifying we're building for DLL runtime support */
+# elif (defined(_MSC_VER) || defined(__MINGW32__)) && defined(_DLL) /* tag specifying we're building for DLL runtime support */
# define GLAPI __declspec(dllimport)
# define WGLAPI __declspec(dllimport)
# else /* for use with static link lib build of Win32 edition only */