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-rw-r--r--progs/samples/blendxor.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/progs/samples/blendxor.c b/progs/samples/blendxor.c
index 6f34e28461c..5bc4aa9bea4 100644
--- a/progs/samples/blendxor.c
+++ b/progs/samples/blendxor.c
@@ -14,7 +14,9 @@
#include <windows.h>
#endif
#define GL_GLEXT_LEGACY
+#define GL_GLEXT_PROTOTYPES
#include <GL/glut.h>
+#include <GL/glext.h>
GLenum doubleBuffer;