1 files changed, 7 insertions, 0 deletions
diff --git a/src/mgl.h b/src/mgl.h
index 8e7002d82..3c611e9ac 100644
--- a/src/mgl.h
+++ b/src/mgl.h
@@ -24,6 +24,7 @@
 #define GL_GLEXT_PROTOTYPES 1
 
 #include <SDL_opengl.h>
+#include <SDL_syswm.h>
 #include <GL/glext.h>
 
 #define GL_NUM_EXTENSIONS                 0x821D
@@ -61,4 +62,10 @@ defNameE(glDeleteFramebuffers);
 defNameE(glDeleteRenderbuffers);
 defNameE(glGetStringi);
 
+#ifdef WIN32
+typedef const char* (APIENTRY * wglGetExtensionsString_t) (HDC hdc);
+
+defNameE(wglGetExtensionsString);
+#endif
+
 #endif