<html><head><meta name="color-scheme" content="light dark"></head><body><pre style="word-wrap: break-word; white-space: pre-wrap;">Fix:
error: implicit declaration of function 'glXQueryVersion' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
--- m4/ax_check_gl.m4.orig	2021-08-13 23:18:24.000000000 -0500
+++ m4/ax_check_gl.m4	2023-03-22 00:15:02.000000000 -0500
@@ -80,11 +80,11 @@
 #   include &lt;windows.h&gt;
 # endif
 # ifdef HAVE_GL_GL_H
-#   include &lt;GL/gl.h&gt;
+#   include &lt;GL/glx.h&gt;
 # elif defined(HAVE_OPENGL_GL_H)
-#   include &lt;OpenGL/gl.h&gt;
+#   include &lt;OpenGL/glx.h&gt;
 # else
-#   error no gl.h
+#   error no glx.h
 # endif]],
                            [[glXQueryVersion(0, 0, 0)]])])
 
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