Detect broken glext.h headers.

configure.in

@@ -262,6 +262,16 @@ then
 
 			if test $ac_cv_lib_GL_glXGetProcAddressARB = "yes"
 			then
+			       AC_CACHE_CHECK("for OpenGL extension functions prototypes", wine_cv_extension_prototypes,
+			          AC_TRY_COMPILE([#include <GL/gl.h>
+						  #include <GL/glext.h>],
+						 [PFNGLCOLORTABLEEXTPROC test_proc;],
+						 [AC_DEFINE(HAVE_GLEXT_PROTOTYPES)
+						  wine_cv_extension_prototypes="yes"],
+						 [wine_cv_extension_prototypes="no"]
+				  )
+				)
+
 				AC_DEFINE(HAVE_OPENGL)
 				OPENGL32_DLL=opengl32
 				OPENGLFILES='$(OPENGLFILES)'

dlls/ddraw/d3ddevice/mesa.c

@@ -30,6 +30,13 @@ ICOM_VTABLE(IDirect3DDevice) OpenGL_vtable_dx3;
 #define D3DDPRIVATE(x) mesa_d3dd_private *odev=((mesa_d3dd_private*)x->private)
 #define DDPRIVATE(x) x11_dd_private *ddpriv=((x11_dd_private*)(x)->d->private)
 
+#ifndef HAVE_GLEXT_PROTOTYPES
+/* This is for non-OpenGL ABI compliant glext.h headers :-) */
+typedef void (* PFNGLCOLORTABLEEXTPROC) (GLenum target, GLenum internalFormat,
+					 GLsizei width, GLenum format, GLenum type,
+					 const GLvoid *table);
+#endif
+
 static const float id_mat[16] = {
   1.0, 0.0, 0.0, 0.0,
   0.0, 1.0, 0.0, 0.0,

include/acconfig.h

@@ -107,3 +107,6 @@
 
 /* Define if the OpenGL library supports the glXGetProcAddressARB call */
 #undef HAVE_GLX_GETPROCADDRESS
+
+/* Define if the OpenGL headers define extension typedefs */
+#undef HAVE_GLEXT_PROTOTYPES

include/config.h.in

@@ -143,6 +143,9 @@
 /* Define if the OpenGL library supports the glXGetProcAddressARB call */
 #undef HAVE_GLX_GETPROCADDRESS
 
+/* Define if the OpenGL headers define extension typedefs */
+#undef HAVE_GLEXT_PROTOTYPES
+
 /* The number of bytes in a long long.  */
 #undef SIZEOF_LONG_LONG