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diff m4/acinclude.m4 @ 19056:95b69b880b19 gui-release

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Allow conpile of gl-render.cc under mingw. * libinterp/corefcn/gl-render.h: include glext.h if available * acinclude.m4: add configure check og glext.h
author John Donoghue
date Thu, 26 Jun 2014 14:42:55 -0400
parents 0a66861d8069
children 2b82d2f29a7b c59745865c7f
line wrap: on
line diff
--- a/m4/acinclude.m4
+++ b/m4/acinclude.m4
@@ -937,6 +937,16 @@
     ])
 
     if test $have_opengl_incs = yes; then
+      AC_CHECK_HEADERS([GL/glext.h OpenGL/glext.h], [], [], [
+#ifdef HAVE_WINDOWS_H
+# include <windows.h>
+#endif
+#if defined (HAVE_GL_GL_H)
+# include <GL/gl.h>
+#elif defined (HAVE_OPENGL_GL_H)
+# include <OpenGL/gl.h>
+#endif
+      ])
       case $canonical_host_type in
         *-*-mingw32* | *-*-msdosmsvc)
           save_LIBS="$LIBS"