Commits on May 17, 2017

1. Make EGL support optional …

   It is perfectly possible to build Mesa3D with just OpenGL support, and
   use with GLX in X.org, without having EGL/OpenGLES support.
   
   However, libepoxy currently unconditionally requires EGL support in its
   configure.ac, which causes a build failure when Mesa3D only provides
   full OpenGL support:
   
   checking for EGL... no
   configure: error: Package requirements (egl) were not met:
   
   Package egl was not found in the pkg-config search path.
   Perhaps you should add the directory containing `egl.pc'
   to the PKG_CONFIG_PATH environment variable
   Package 'egl', required by 'world', not found
   
   This commit fixes that by:
   
    - Adjusting the configure.ac to add a --{enable,disable}-egl option
      handled in the exact same way as --{enable,disable}-glx
   
    - Adjusting the meson build logic in the same way.
   
    - Adjusting src/dispatch_common.h to define PLATFORM_HAS_EGL correctly,
      which allows to not include any EGL related header file if EGL
      support is not enabled.
   
   Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

   

   tpetazzoni committed May 17, 2017
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