[Bug 738816] New: gl: gst-plugins-bad won't build without --with-opengl=yes

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=738816
  GStreamer | gst-plugins-bad | git

           Summary: gl: gst-plugins-bad won't build without
                    --with-opengl=yes
    Classification: Platform
           Product: GStreamer
           Version: git
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-bad
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: self at brendanlong.com
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


I'm downloading and building GStreamer from source, and I got errors like
"unknown type name GLuint". Looking through the source I found gstglapi.h which
has some code like:

/* OpenGL 2.0 for Embedded Systems */
#if GST_GL_HAVE_GLES2
#ifndef GL_GLEXT_PROTOTYPES
#define GL_GLEXT_PROTOTYPES 1
#endif
# ifdef __APPLE__
#  include <OpenGLES/ES2/gl.h>
#  include <OpenGLES/ES2/glext.h>
# else
#  include <GLES2/gl2.h>
#  include <GLES2/gl2ext.h>
# endif
# if !GST_GL_HAVE_OPENGL
#  include <gst/gl/glprototypes/gstgl_gles2compat.h>
# endif
#endif

/* OpenGL for desktop systems */
#if GST_GL_HAVE_OPENGL
# ifdef __APPLE__
#  include <OpenGL/OpenGL.h>
#  include <OpenGL/gl.h>
#  include <OpenGL/glu.h>
# else
#  include <GL/gl.h>
#  include <GL/glu.h>
#  if __WIN32__ || _WIN32
#   include <GL/glext.h>
#  endif
# endif
#endif

I looked in configure.ac and found that if I add --with-opengl=yes, it would
correctly #import <GL/gl.h> (which was already installed and that fixed the
build for me.

Presumably this is meant to be optional though, so this entire plugin shouldn't
be built unless --with-opengl was specified in the configure script.

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