--- ./ruby/video/glx.cpp.orig	2014-01-20 01:37:14.000000000 -0500

+++ ./ruby/video/glx.cpp	2014-06-02 23:32:39.000000000 -0400

@@ -128,6 +128,28 @@

     //require GLX 1.2+ API

     if(glx.version_major < 1 || (glx.version_major == 1 && glx.version_minor < 2)) return false;

+    int major, minor;

+    const char *version = (const char *) glGetString (GL_VERSION);

+    const char *dot = version == NULL ? NULL : strchr (version, '.');

+    const char *major_start = dot;

+

+    /* Sanity check */

+    if (dot == NULL || dot == version || *(dot + 1) == '\0') {

+        major = 0;

+        minor = 0;

+    } else {

+    /* Find the start of the major version in the string */

+    while (major_start > version && *major_start != ' ')

+           --major_start;

+        major = strtol (major_start, NULL, 10);

+        minor = strtol (dot + 1, NULL, 0);

+    }

+

+    if(major < 3 || (major == 3 && minor < 2)) {

+        printf("Error: OpenGL 3.2 is not available. Select another video driver on the Advanced Configuration tab and restart higan.\n");

+        return false;

+    }

+

     XWindowAttributes window_attributes;

     XGetWindowAttributes(display, settings.handle, &window_attributes);