5 files changed, 17 insertions, 6 deletions
diff --git a/src/glut/glx/glut_input.c b/src/glut/glx/glut_input.c
index add3df7c3f..a76ff9a435 100644
--- a/src/glut/glx/glut_input.c
+++ b/src/glut/glx/glut_input.c
@@ -23,6 +23,9 @@
 #endif
 #include <X11/Xutil.h>
 #else
+#ifdef __MINGW32__
+#include <GL/gl.h>
+#endif
 #include <windows.h>
 #ifndef __CYGWIN32__
 #include <mmsystem.h>  /* Win32 Multimedia API header. */
diff --git a/src/glut/glx/glut_joy.c b/src/glut/glx/glut_joy.c
index a4528ae1ce..5025607922 100644
--- a/src/glut/glx/glut_joy.c
+++ b/src/glut/glx/glut_joy.c
@@ -6,6 +6,9 @@
    implied. This program is -not- in the public domain. */
 
 #ifdef _WIN32
+#ifdef __MINGW32__
+#include <GL/gl.h>
+#endif
 #include <windows.h>
 #ifndef __CYGWIN32__
 #include <mmsystem.h>  /* Win32 Multimedia API header. */
diff --git a/src/glut/glx/glut_win.c b/src/glut/glx/glut_win.c
index 0f48e0ba33..18554b3e97 100644
--- a/src/glut/glx/glut_win.c
+++ b/src/glut/glx/glut_win.c
@@ -349,12 +349,18 @@ getVisualInfoRGB(unsigned int mode)
     __glutScreen, list);
 }
 
+#ifndef VisualIDMask
+#define VisualIDMask 0
+#endif
+
 static XVisualInfo *
 getVisualInfoID(int id)
 {
    XVisualInfo temp;
    int count;
+#if !defined(_WIN32)
    temp.visualid = id;
+#endif
    return XGetVisualInfo(__glutDisplay, VisualIDMask, &temp, &count);
 }
 
diff --git a/src/glut/glx/win32_util.c b/src/glut/glx/win32_util.c
index becd823a40..25af48a112 100644
--- a/src/glut/glx/win32_util.c
+++ b/src/glut/glx/win32_util.c
@@ -15,6 +15,7 @@
 
 /* The following added by Paul Garceau <pgarceau@teleport.com> */
 #if defined(__MINGW32__)
+#include <GL/gl.h>
 #include <time.h>
 #include <windows.h>
 struct timeval;
diff --git a/src/glut/glx/win32_x11.h b/src/glut/glx/win32_x11.h
index 1d8d048b2e..6f5c3a9aea 100644
--- a/src/glut/glx/win32_x11.h
+++ b/src/glut/glx/win32_x11.h
@@ -6,16 +6,14 @@
 /* This program is freely distributable without licensing fees 
    and is provided without guarantee or warrantee expressed or 
    implied. This program is -not- in the public domain. */
-
+#ifdef __MINGW32__
+#include <GL/gl.h>
+#endif
 #include <stdlib.h>
 #include <windows.h>
 
 /* These definitions are missing from windows.h */
-WINGDIAPI int WINAPI wglChoosePixelFormat(HDC, PIXELFORMATDESCRIPTOR *);
-WINGDIAPI int WINAPI wglDescribePixelFormat(HDC, int, UINT, LPPIXELFORMATDESCRIPTOR);
-WINGDIAPI int WINAPI wglGetPixelFormat(HDC);
-WINGDIAPI BOOL WINAPI wglSetPixelFormat(HDC, int, PIXELFORMATDESCRIPTOR *);
-WINGDIAPI BOOL WINAPI wglSwapBuffers(HDC);
+
 
 /* Type definitions (conversions) */
 typedef int Visual;			/* Win32 equivalent of X11 type */