text: # Copyright © 2017 Intel Corporation
  
  # Permission is hereby granted, free of charge, to any person obtaining a copy
  # of this software and associated documentation files (the "Software"), to deal
  # in the Software without restriction, including without limitation the rights
  # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  # copies of the Software, and to permit persons to whom the Software is
  # furnished to do so, subject to the following conditions:
  
  # The above copyright notice and this permission notice shall be included in
  # all copies or substantial portions of the Software.
  
  # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  # SOFTWARE.
  
  inc_common = include_directories(
    '../include', '.', 'mapi', 'mesa', 'gallium/include', 'gallium/auxiliary')
  inc_mesa = include_directories('mesa')
  inc_mapi = include_directories('mapi')
  inc_src = include_directories('.')
  inc_gallium = include_directories('gallium/include')
  inc_gallium_aux = include_directories('gallium/auxiliary')
  inc_amd_common = include_directories('amd/common')
  
  libglsl_util = static_library(
    'glsl_util',
    files(
      'mesa/main/extensions_table.c', 'mesa/main/imports.c',
      'mesa/program/prog_parameter.c', 'mesa/program/symbol_table.c',
      'mesa/program/dummy_errors.c',
    ),
    include_directories : [inc_common],
    c_args : [c_vis_args],
    build_by_default : false,
  )
  
  sha1_h = custom_target(
    'git_sha1.h',
    output : 'git_sha1.h',
    command : [prog_python2, git_sha1_gen_py, '--output', '@OUTPUT@'],
    build_always : true, # commit sha1 can change without having touched these files
  )
  
  subdir('gtest')
  subdir('util')
  subdir('mapi')
  # TODO: opengl
  subdir('compiler')
  subdir('egl/wayland/wayland-drm')
  subdir('vulkan')
  if with_gallium_radeonsi or with_amd_vk
    subdir('amd')
  endif
  if with_gallium_vc4
    subdir('broadcom')
  endif
  if with_dri_i965 or with_intel_vk
    subdir('intel')
  endif
  subdir('mesa')
  subdir('loader')
  if with_platform_haiku
    subdir('hgl')
  endif
  if with_glx != 'disabled'
    subdir('glx')
  endif
  if with_gbm
    subdir('gbm')
  else
    inc_gbm = []
  endif
  if with_egl
    subdir('egl')
  endif
  if with_gallium
    subdir('gallium')
    # This has to be here since it requires libgallium, and subdir cannot
    # contain ..
    if with_tests
      subdir('mesa/state_tracker/tests')
    endif
  endif
  
  # This must be after at least mesa, glx, and gallium, since libgl will be
  # defined in one of those subdirs depending on the glx provider.
  if with_glx != 'disabled'
    # If using glvnd the pkg-config header should not point to GL_mesa, it should
    # point to GL. glvnd is only available on unix like platforms so adding -l
    # should be safe here
    # TODO: in the glvnd case glvnd itself should really be providing this.
    if with_glvnd
      _gl = '-L${libdir} -lGL'
    else
      _gl = libgl
    endif
  
    pkg.generate(
      name : 'gl',
      description : 'Mesa OpenGL Library',
      version : meson.project_version(),
      libraries : _gl,
      libraries_private : gl_priv_libs,
      requires_private : gl_priv_reqs,
      variables : ['glx_tls=yes'],
    )
  endif
  