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# Copyright © 2017-2018 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.
project(
'mesa',
['c', 'cpp'],
version : run_command(
[find_program('python', 'python2', 'python3'), 'bin/meson_get_version.py']
).stdout(),
license : 'MIT',
meson_version : '>= 0.44.1',
default_options : ['buildtype=debugoptimized', 'c_std=c99', 'cpp_std=c++11']
)
cc = meson.get_compiler('c')
cpp = meson.get_compiler('cpp')
null_dep = dependency('', required : false)
system_has_kms_drm = ['openbsd', 'netbsd', 'freebsd', 'dragonfly', 'linux'].contains(host_machine.system())
# Arguments for the preprocessor, put these in a separate array from the C and
# C++ (cpp in meson terminology) arguments since they need to be added to the
# default arguments for both C and C++.
pre_args = [
'-D__STDC_CONSTANT_MACROS',
'-D__STDC_FORMAT_MACROS',
'-D__STDC_LIMIT_MACROS',
'-DVERSION="@0@"'.format(meson.project_version()),
'-DPACKAGE_VERSION=VERSION',
'-DPACKAGE_BUGREPORT="https://bugs.freedesktop.org/enter_bug.cgi?product=Mesa"',
]
with_vulkan_icd_dir = get_option('vulkan-icd-dir')
with_tests = get_option('build-tests')
with_valgrind = get_option('valgrind')
with_libunwind = get_option('libunwind')
with_asm = get_option('asm')
with_glx_read_only_text = get_option('glx-read-only-text')
with_osmesa = get_option('osmesa')
with_swr_arches = get_option('swr-arches')
with_tools = get_option('tools')
if with_tools.contains('all')
with_tools = ['freedreno', 'glsl', 'intel', 'nir', 'nouveau', 'xvmc']
endif
dri_drivers_path = get_option('dri-drivers-path')
if dri_drivers_path == ''
dri_drivers_path = join_paths(get_option('libdir'), 'dri')
endif
dri_search_path = get_option('dri-search-path')
if dri_search_path == ''
dri_search_path = join_paths(get_option('prefix'), dri_drivers_path)
endif
with_gles1 = get_option('gles1')
with_gles2 = get_option('gles2')
with_opengl = get_option('opengl')
with_any_opengl = with_opengl or with_gles1 or with_gles2
# Only build shared_glapi if at least one OpenGL API is enabled
with_shared_glapi = get_option('shared-glapi') and with_any_opengl
# shared-glapi is required if at least two OpenGL APIs are being built
if not with_shared_glapi
if ((with_gles1 and with_gles2) or (with_gles1 and with_opengl)
or (with_gles2 and with_opengl))
error('shared-glapi required for building two or more of OpenGL, OpenGL ES 1.x, OpenGL ES 2.x')
endif
endif
# We require OpenGL for OpenGL ES
if (with_gles1 or with_gles2) and not with_opengl
error('building OpenGL ES without OpenGL is not supported.')
endif
system_has_kms_drm = ['openbsd', 'netbsd', 'freebsd', 'dragonfly', 'linux'].contains(host_machine.system())
_drivers = get_option('dri-drivers')
if _drivers.contains('auto')
if system_has_kms_drm
# TODO: PPC, Sparc
if ['x86', 'x86_64'].contains(host_machine.cpu_family())
_drivers = ['i915', 'i965', 'r100', 'r200', 'nouveau']
elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
_drivers = []
else
error('Unknown architecture. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.')
endif
elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
# only swrast would make sense here, but gallium swrast is a much better default
_drivers = []
else
error('Unknown OS. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.')
endif
endif
with_dri_i915 = _drivers.contains('i915')
with_dri_i965 = _drivers.contains('i965')
with_dri_r100 = _drivers.contains('r100')
with_dri_r200 = _drivers.contains('r200')
with_dri_nouveau = _drivers.contains('nouveau')
with_dri_swrast = _drivers.contains('swrast')
with_dri = _drivers.length() != 0 and _drivers != ['']
_drivers = get_option('gallium-drivers')
if _drivers.contains('auto')
if system_has_kms_drm
# TODO: PPC, Sparc
if ['x86', 'x86_64'].contains(host_machine.cpu_family())
_drivers = [
'r300', 'r600', 'radeonsi', 'nouveau', 'virgl', 'svga', 'swrast'
]
elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
_drivers = [
'pl111', 'v3d', 'vc4', 'freedreno', 'etnaviv', 'imx', 'nouveau',
'tegra', 'virgl', 'swrast',
]
else
error('Unknown architecture. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.')
endif
elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
_drivers = ['swrast']
else
error('Unknown OS. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.')
endif
endif
with_gallium_pl111 = _drivers.contains('pl111')
with_gallium_radeonsi = _drivers.contains('radeonsi')
with_gallium_r300 = _drivers.contains('r300')
with_gallium_r600 = _drivers.contains('r600')
with_gallium_nouveau = _drivers.contains('nouveau')
with_gallium_freedreno = _drivers.contains('freedreno')
with_gallium_softpipe = _drivers.contains('swrast')
with_gallium_vc4 = _drivers.contains('vc4')
with_gallium_v3d = _drivers.contains('v3d')
with_gallium_etnaviv = _drivers.contains('etnaviv')
with_gallium_imx = _drivers.contains('imx')
with_gallium_tegra = _drivers.contains('tegra')
with_gallium_i915 = _drivers.contains('i915')
with_gallium_svga = _drivers.contains('svga')
with_gallium_virgl = _drivers.contains('virgl')
with_gallium_swr = _drivers.contains('swr')
with_gallium = _drivers.length() != 0 and _drivers != ['']
if with_gallium and system_has_kms_drm
_glx = get_option('glx')
_egl = get_option('egl')
if _glx == 'dri' or _egl == 'true' or (_glx == 'disabled' and _egl != 'false')
with_dri = true
endif
endif
_vulkan_drivers = get_option('vulkan-drivers')
if _vulkan_drivers.contains('auto')
if system_has_kms_drm
if host_machine.cpu_family().startswith('x86')
_vulkan_drivers = ['amd', 'intel']
else
error('Unknown architecture. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.')
endif
elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
# No vulkan driver supports windows or macOS currently
_vulkan_drivers = []
else
error('Unknown OS. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.')
endif
endif
with_intel_vk = _vulkan_drivers.contains('intel')
with_amd_vk = _vulkan_drivers.contains('amd')
with_any_vk = _vulkan_drivers.length() != 0 and _vulkan_drivers != ['']
if with_dri_swrast and (with_gallium_softpipe or with_gallium_swr)
error('Only one swrast provider can be built')
endif
if with_dri_i915 and with_gallium_i915
error('Only one i915 provider can be built')
endif
if with_gallium_imx and not with_gallium_etnaviv
error('IMX driver requires etnaviv driver')
endif
if with_gallium_pl111 and not with_gallium_vc4
error('pl111 driver requires vc4 driver')
endif
if with_gallium_tegra and not with_gallium_nouveau
error('tegra driver requires nouveau driver')
endif
if host_machine.system() == 'darwin'
with_dri_platform = 'apple'
elif ['windows', 'cygwin'].contains(host_machine.system())
with_dri_platform = 'windows'
elif system_has_kms_drm
with_dri_platform = 'drm'
else
# FIXME: haiku doesn't use dri, and xlib doesn't use dri, probably should
# assert here that one of those cases has been met.
# FIXME: GNU (hurd) ends up here as well, but meson doesn't officially
# support Hurd at time of writing (2017/11)
# FIXME: illumos ends up here as well
with_dri_platform = 'none'
endif
_platforms = get_option('platforms')
if _platforms.contains('auto')
if system_has_kms_drm
_platforms = ['x11', 'wayland', 'drm', 'surfaceless']
elif ['darwin', 'windows', 'cygwin'].contains(host_machine.system())
_platforms = ['x11', 'surfaceless']
elif ['haiku'].contains(host_machine.system())
_platforms = ['haiku']
else
error('Unknown OS. Please pass -Dplatforms to set platforms. Patches gladly accepted to fix this.')
endif
endif
with_platform_android = _platforms.contains('android')
with_platform_x11 = _platforms.contains('x11')
with_platform_wayland = _platforms.contains('wayland')
with_platform_drm = _platforms.contains('drm')
with_platform_haiku = _platforms.contains('haiku')
with_platform_surfaceless = _platforms.contains('surfaceless')
with_platforms = false
if _platforms.length() != 0 and _platforms != ['']
with_platforms = true
egl_native_platform = _platforms[0]
endif
_xlib_lease = get_option('xlib-lease')
if _xlib_lease == 'auto'
with_xlib_lease = with_platform_x11 and with_platform_drm
else
with_xlib_lease = _xlib_lease == 'true'
endif
with_glx = get_option('glx')
if with_glx == 'auto'
if with_dri
with_glx = 'dri'
elif with_platform_haiku
with_glx = 'disabled'
elif with_gallium
# Even when building just gallium drivers the user probably wants dri
with_glx = 'dri'
elif with_platform_x11 and with_any_opengl and not with_any_vk
# The automatic behavior should not be to turn on xlib based glx when
# building only vulkan drivers
with_glx = 'xlib'
else
with_glx = 'disabled'
endif
endif
if with_glx == 'dri'
if with_gallium
with_dri = true
endif
endif
if not (with_dri or with_gallium or with_glx == 'xlib' or with_glx == 'gallium-xlib')
with_gles1 = false
with_gles2 = false
with_opengl = false
with_any_opengl = false
with_shared_glapi = false
endif
_gbm = get_option('gbm')
if _gbm == 'auto'
with_gbm = system_has_kms_drm and with_dri
else
with_gbm = _gbm == 'true'
endif
if with_gbm and not system_has_kms_drm
error('GBM only supports DRM/KMS platforms')
endif
_egl = get_option('egl')
if _egl == 'auto'
with_egl = with_dri and with_shared_glapi and with_platforms
elif _egl == 'true'
if not with_dri
error('EGL requires dri')
elif not with_shared_glapi
error('EGL requires shared-glapi')
elif not with_platforms
error('No platforms specified, consider -Dplatforms=drm,x11,surfaceless at least')
elif not ['disabled', 'dri'].contains(with_glx)
error('EGL requires dri, but a GLX is being built without dri')
endif
with_egl = true
else
with_egl = false
endif
if with_egl and not (with_platform_drm or with_platform_surfaceless)
if with_gallium_radeonsi
error('RadeonSI requires drm or surfaceless platform when using EGL')
endif
if with_gallium_virgl
error('Virgl requires drm or surfaceless platform when using EGL')
endif
endif
pre_args += '-DGLX_USE_TLS'
if with_glx != 'disabled'
if not (with_platform_x11 and with_any_opengl)
error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
elif with_glx == 'gallium-xlib'
if not with_gallium
error('Gallium-xlib based GLX requires at least one gallium driver')
elif not with_gallium_softpipe
error('Gallium-xlib based GLX requires softpipe or llvmpipe.')
elif with_dri
error('gallium-xlib conflicts with any dri driver')
endif
elif with_glx == 'xlib'
if with_dri
error('xlib conflicts with any dri driver')
endif
elif with_glx == 'dri'
if not with_dri
error('dri based GLX requires at least one DRI driver')
elif not with_shared_glapi
error('dri based GLX requires shared-glapi')
endif
endif
endif
with_glvnd = get_option('glvnd')
if with_glvnd
if with_glx == 'xlib' or with_glx == 'gallium-xlib'
error('Cannot build glvnd support for GLX that is not DRI based.')
elif with_glx == 'disabled' and not with_egl
error('glvnd requires DRI based GLX and/or EGL')
endif
endif
# TODO: toggle for this
with_glx_direct = true
if with_vulkan_icd_dir == ''
with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
endif
with_dri2 = (with_dri or with_any_vk) and with_dri_platform == 'drm'
_dri3 = get_option('dri3')
if _dri3 == 'auto'
with_dri3 = system_has_kms_drm and with_dri2
else
with_dri3 = _dri3 == 'true'
endif
if with_any_vk and (with_platform_x11 and not with_dri3)
error('Vulkan drivers require dri3 for X11 support')
endif
if with_dri or with_gallium
if with_glx == 'disabled' and not with_egl and not with_platform_haiku
error('building dri or gallium drivers require at least one window system')
endif
endif
prog_pkgconfig = find_program('pkg-config')
_vdpau = get_option('gallium-vdpau')
if not system_has_kms_drm
if _vdpau == 'true'
error('VDPAU state tracker can only be build on unix-like OSes.')
else
_vdpau = 'false'
endif
elif not with_platform_x11
if _vdpau == 'true'
error('VDPAU state tracker requires X11 support.')
else
_vdpau = 'false'
endif
elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
with_gallium_nouveau)
if _vdpau == 'true'
error('VDPAU state tracker requires at least one of the following gallium drivers: r300, r600, radeonsi, nouveau.')
else
_vdpau = 'false'
endif
endif
dep_vdpau = null_dep
with_gallium_vdpau = false
if _vdpau != 'false'
dep_vdpau = dependency('vdpau', version : '>= 1.1', required : _vdpau == 'true')
if dep_vdpau.found()
dep_vdpau = declare_dependency(
compile_args : run_command(prog_pkgconfig, ['vdpau', '--cflags']).stdout().split()
)
with_gallium_vdpau = true
endif
endif
if with_gallium_vdpau
pre_args += '-DHAVE_ST_VDPAU'
endif
vdpau_drivers_path = get_option('vdpau-libs-path')
if vdpau_drivers_path == ''
vdpau_drivers_path = join_paths(get_option('libdir'), 'vdpau')
endif
_xvmc = get_option('gallium-xvmc')
if not system_has_kms_drm
if _xvmc == 'true'
error('XVMC state tracker can only be build on unix-like OSes.')
else
_xvmc = 'false'
endif
elif not with_platform_x11
if _xvmc == 'true'
error('XVMC state tracker requires X11 support.')
else
_xvmc = 'false'
endif
elif not (with_gallium_r600 or with_gallium_nouveau)
if _xvmc == 'true'
error('XVMC state tracker requires at least one of the following gallium drivers: r600, nouveau.')
else
_xvmc = 'false'
endif
endif
dep_xvmc = null_dep
with_gallium_xvmc = false
if _xvmc != 'false'
dep_xvmc = dependency('xvmc', version : '>= 1.0.6', required : _xvmc == 'true')
with_gallium_xvmc = dep_xvmc.found()
endif
xvmc_drivers_path = get_option('xvmc-libs-path')
if xvmc_drivers_path == ''
xvmc_drivers_path = get_option('libdir')
endif
_omx = get_option('gallium-omx')
if not system_has_kms_drm
if ['auto', 'disabled'].contains(_omx)
_omx = 'disabled'
else
error('OMX state tracker can only be built on unix-like OSes.')
endif
elif not (with_platform_x11 or with_platform_drm)
if ['auto', 'disabled'].contains(_omx)
_omx = 'disabled'
else
error('OMX state tracker requires X11 or drm platform support.')
endif
elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
if ['auto', 'disabled'].contains(_omx)
_omx = 'disabled'
else
error('OMX state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
endif
endif
with_gallium_omx = _omx
dep_omx = null_dep
dep_omx_other = []
if ['auto', 'bellagio'].contains(_omx)
dep_omx = dependency(
'libomxil-bellagio', required : _omx == 'bellagio'
)
if dep_omx.found()
with_gallium_omx = 'bellagio'
endif
endif
if ['auto', 'tizonia'].contains(_omx)
if with_dri and with_egl
dep_omx = dependency(
'libtizonia', version : '>= 0.10.0',
required : _omx == 'tizonia',
)
dep_omx_other = [
dependency('libtizplatform', required : _omx == 'tizonia'),
dependency('tizilheaders', required : _omx == 'tizonia'),
]
if dep_omx.found() and dep_omx_other[0].found() and dep_omx_other[1].found()
with_gallium_omx = 'tizonia'
endif
elif _omx == 'tizonia'
error('OMX-Tizonia state tracker requires dri and egl')
endif
endif
if _omx == 'auto'
with_gallium_omx = 'disabled'
else
with_gallium_omx = _omx
endif
pre_args += [
'-DENABLE_ST_OMX_BELLAGIO=' + (with_gallium_omx == 'bellagio' ? '1' : '0'),
'-DENABLE_ST_OMX_TIZONIA=' + (with_gallium_omx == 'tizonia' ? '1' : '0'),
]
omx_drivers_path = get_option('omx-libs-path')
if with_gallium_omx != 'disabled'
# Figure out where to put the omx driver.
# FIXME: this could all be vastly simplified by adding a 'defined_variable'
# argument to meson's get_pkgconfig_variable method.
if omx_drivers_path == ''
_omx_libdir = dep_omx.get_pkgconfig_variable('libdir')
_omx_drivers_dir = dep_omx.get_pkgconfig_variable('pluginsdir')
if _omx_libdir == get_option('libdir')
omx_drivers_path = _omx_drivers_dir
else
_omx_base_dir = []
# This will fail on windows. Does OMX run on windows?
_omx_libdir = _omx_libdir.split('/')
_omx_drivers_dir = _omx_drivers_dir.split('/')
foreach o : _omx_drivers_dir
if not _omx_libdir.contains(o)
_omx_base_dir += o
endif
endforeach
omx_drivers_path = join_paths(get_option('libdir'), _omx_base_dir)
endif
endif
endif
_va = get_option('gallium-va')
if not system_has_kms_drm
if _va == 'true'
error('VA state tracker can only be built on unix-like OSes.')
else
_va = 'false'
endif
elif not (with_platform_x11 or with_platform_drm)
if _va == 'true'
error('VA state tracker requires X11 or drm or wayland platform support.')
else
_va = 'false'
endif
elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
if _va == 'true'
error('VA state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
else
_va = 'false'
endif
elif _va == 'auto'
_va = 'true'
endif
with_gallium_va = false
dep_va = null_dep
if _va != 'false'
dep_va = dependency('libva', version : '>= 0.38.0', required : _va == 'true')
if dep_va.found()
dep_va_headers = declare_dependency(
compile_args : run_command(prog_pkgconfig, ['libva', '--cflags']).stdout().split()
)
with_gallium_va = true
endif
endif
va_drivers_path = get_option('va-libs-path')
if va_drivers_path == ''
va_drivers_path = join_paths(get_option('libdir'), 'dri')
endif
_xa = get_option('gallium-xa')
if not system_has_kms_drm
if _xa == 'true'
error('XA state tracker can only be built on unix-like OSes.')
else
_xa = 'false'
endif
elif not (with_gallium_nouveau or with_gallium_freedreno or with_gallium_i915
or with_gallium_svga)
if _xa == 'true'
error('XA state tracker requires at least one of the following gallium drivers: nouveau, freedreno, i915, svga.')
else
_xa = 'false'
endif
endif
with_gallium_xa = _xa != 'false'
d3d_drivers_path = get_option('d3d-drivers-path')
if d3d_drivers_path == ''
d3d_drivers_path = join_paths(get_option('libdir'), 'd3d')
endif
with_gallium_st_nine = get_option('gallium-nine')
if with_gallium_st_nine
if not with_gallium_softpipe
error('The nine state tracker requires gallium softpipe/llvmpipe.')
elif not (with_gallium_radeonsi or with_gallium_nouveau or with_gallium_r600
or with_gallium_r300 or with_gallium_svga or with_gallium_i915)
error('The nine state tracker requires at least on non-swrast gallium driver.')
endif
if not with_dri3
error('Using nine with wine requires dri3')
endif
endif
if get_option('power8') != 'false'
if host_machine.cpu_family() == 'ppc64le'
if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.8')
error('Altivec is not supported with gcc version < 4.8.')
endif
if cc.compiles('''
#include <altivec.h>
int main() {
vector unsigned char r;
vector unsigned int v = vec_splat_u32 (1);
r = __builtin_vec_vgbbd ((vector unsigned char) v);
return 0;
}''',
args : '-mpower8-vector',
name : 'POWER8 intrinsics')
pre_args += ['-D_ARCH_PWR8', '-mpower8-vector']
elif get_option('power8') == 'true'
error('POWER8 intrinsic support required but not found.')
endif
endif
endif
_opencl = get_option('gallium-opencl')
if _opencl != 'disabled'
if not with_gallium
error('OpenCL Clover implementation requires at least one gallium driver.')
endif
dep_clc = dependency('libclc')
with_gallium_opencl = true
with_opencl_icd = _opencl == 'icd'
else
dep_clc = null_dep
with_gallium_opencl = false
with_gallium_icd = false
endif
gl_pkgconfig_c_flags = []
if with_platform_x11
if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
pre_args += '-DHAVE_X11_PLATFORM'
endif
if with_glx == 'xlib' or with_glx == 'gallium-xlib'
pre_args += '-DUSE_XSHM'
else
pre_args += '-DGLX_INDIRECT_RENDERING'
if with_glx_direct
pre_args += '-DGLX_DIRECT_RENDERING'
endif
if with_dri_platform == 'drm'
pre_args += '-DGLX_USE_DRM'
elif with_dri_platform == 'apple'
pre_args += '-DGLX_USE_APPLEGL'
elif with_dri_platform == 'windows'
pre_args += '-DGLX_USE_WINDOWSGL'
endif
endif
else
pre_args += '-DMESA_EGL_NO_X11_HEADERS'
gl_pkgconfig_c_flags += '-DMESA_EGL_NO_X11_HEADERS'
endif
if with_platform_drm
if with_egl and not with_gbm
error('EGL drm platform requires gbm')
endif
pre_args += '-DHAVE_DRM_PLATFORM'
endif
if with_platform_surfaceless
pre_args += '-DHAVE_SURFACELESS_PLATFORM'
endif
if with_platform_android
dep_android = [
dependency('cutils'),
dependency('hardware'),
dependency('sync'),
]
pre_args += '-DHAVE_ANDROID_PLATFORM'
endif
if with_platform_haiku
pre_args += '-DHAVE_HAIKU_PLATFORM'
endif
prog_python = find_program('python3')
has_mako = run_command(prog_python, '-c', 'import mako')
if has_mako.returncode() != 0
error('Python (3.x) mako module required to build mesa.')
endif
if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
error('When using GCC, version 4.4.6 or later is required.')
endif
# Define DEBUG for debug builds only (debugoptimized is not included on this one)
if get_option('buildtype') == 'debug'
pre_args += '-DDEBUG'
endif
if get_option('shader-cache')
pre_args += '-DENABLE_SHADER_CACHE'
elif with_amd_vk
error('Radv requires shader cache support')
endif
# Check for GCC style builtins
foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
'ffsll', 'popcount', 'popcountll', 'unreachable']
if cc.has_function(b)
pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
endif
endforeach
# check for GCC __attribute__
foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
'warn_unused_result', 'weak',]
if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
name : '__attribute__((@0@))'.format(a))
pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
endif
endforeach
if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
name : '__attribute__((format(...)))')
pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
endif
if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
name : '__attribute__((packed))')
pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
endif
if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
name : '__attribute__((returns_nonnull))')
pre_args += '-DHAVE_FUNC_ATTRIBUTE_RETURNS_NONNULL'
endif
if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
int foo_hid(void) __attribute__((visibility("hidden")));
int foo_int(void) __attribute__((visibility("internal")));
int foo_pro(void) __attribute__((visibility("protected")));''',
name : '__attribute__((visibility(...)))')
pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISIBILITY'
endif
if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
name : '__attribute__((alias(...)))')
pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
endif
if cc.compiles('int foo(void) __attribute__((__noreturn__));',
name : '__attribute__((__noreturn__))')
pre_args += '-DHAVE_FUNC_ATTRIBUTE_NORETURN'
endif
# TODO: this is very incomplete
if ['linux', 'cygwin'].contains(host_machine.system())
pre_args += '-D_GNU_SOURCE'
endif
# Check for generic C arguments
c_args = []
foreach a : ['-Wall', '-Werror=implicit-function-declaration',
'-Werror=missing-prototypes', '-fno-math-errno',
'-fno-trapping-math', '-Qunused-arguments']
if cc.has_argument(a)
c_args += a
endif
endforeach
if cc.has_argument('-Wmissing-field-initializers')
c_args += '-Wno-missing-field-initializers'
endif
c_vis_args = []
if cc.has_argument('-fvisibility=hidden')
c_vis_args += '-fvisibility=hidden'
endif
# Check for generic C++ arguments
cpp_args = []
foreach a : ['-Wall', '-fno-math-errno', '-fno-trapping-math',
'-Qunused-arguments']
if cpp.has_argument(a)
cpp_args += a
endif
endforeach
# For some reason, the test for -Wno-foo always succeeds with gcc, even if the
# option is not supported. Hence, check for -Wfoo instead.
foreach a : ['non-virtual-dtor', 'missing-field-initializers']
if cpp.has_argument('-W' + a)
cpp_args += '-Wno-' + a
endif
endforeach
no_override_init_args = []
foreach a : ['override-init', 'initializer-overrides']
if cc.has_argument('-W' + a)
no_override_init_args += '-Wno-' + a
endif
endforeach
cpp_vis_args = []
if cpp.has_argument('-fvisibility=hidden')
cpp_vis_args += '-fvisibility=hidden'
endif
# Check for C and C++ arguments for MSVC2013 compatibility. These are only used
# in parts of the mesa code base that need to compile with old versions of
# MSVC, mainly common code
c_msvc_compat_args = []
cpp_msvc_compat_args = []
foreach a : ['-Werror=pointer-arith', '-Werror=vla']
if cc.has_argument(a)
c_msvc_compat_args += a
endif
if cpp.has_argument(a)
cpp_msvc_compat_args += a
endif
endforeach
if host_machine.cpu_family().startswith('x86')
pre_args += '-DUSE_SSE41'
with_sse41 = true
sse41_args = ['-msse4.1']
# GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
# that's not guaranteed
if host_machine.cpu_family() == 'x86'
sse41_args += '-mstackrealign'
endif
else
with_sse41 = false
sse41_args = []
endif
# Check for GCC style atomics
dep_atomic = null_dep
if cc.compiles('''#include <stdint.h>
int main() {
struct {
uint64_t *v;
} x;
return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
(int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
}''',
name : 'GCC atomic builtins')
pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
# Not all atomic calls can be turned into lock-free instructions, in which
# GCC will make calls into the libatomic library. Check whether we need to
# link with -latomic.
#
# This can happen for 64-bit atomic operations on 32-bit architectures such
# as ARM.
if not cc.links('''#include <stdint.h>
int main() {
struct {
uint64_t *v;
} x;
return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
(int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
}''',
name : 'GCC atomic builtins required -latomic')
dep_atomic = cc.find_library('atomic')
endif
endif
if not cc.links('''#include <stdint.h>
uint64_t v;
int main() {
return __sync_add_and_fetch(&v, (uint64_t)1);
}''',
name : 'GCC 64bit atomics')
pre_args += '-DMISSING_64_BIT_ATOMICS'
endif
# TODO: shared/static? Is this even worth doing?
# When cross compiling we generally need to turn off the use of assembly,
# because mesa's assembly relies on building an executable for the host system,
# and running it to get information about struct sizes. There is at least one
# case of cross compiling where we can use asm, and that's x86_64 -> x86 when
# host OS == build OS, since in that case the build machine can run the host's
# binaries.
if meson.is_cross_build()
if build_machine.system() != host_machine.system()
# TODO: It may be possible to do this with an exe_wrapper (like wine).
message('Cross compiling from one OS to another, disabling assembly.')
with_asm = false
elif not (build_machine.cpu_family().startswith('x86') and host_machine.cpu_family() == 'x86')
# FIXME: Gentoo always sets -m32 for x86_64 -> x86 builds, resulting in an
# x86 -> x86 cross compile. We use startswith rather than == to handle this
# case.
# TODO: There may be other cases where the 64 bit version of the
# architecture can run 32 bit binaries (aarch64 and armv7 for example)
message('''
Cross compiling to different architectures, and the host cannot run
the build machine's binaries. Disabling assembly.
''')
with_asm = false
endif
endif
with_asm_arch = ''
if with_asm
if host_machine.cpu_family() == 'x86'
if system_has_kms_drm
with_asm_arch = 'x86'
pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
'-DUSE_SSE_ASM']
if with_glx_read_only_text
pre_args += ['-DGLX_X86_READONLY_TEXT']
endif
endif
elif host_machine.cpu_family() == 'x86_64'
if system_has_kms_drm
with_asm_arch = 'x86_64'
pre_args += ['-DUSE_X86_64_ASM']
endif
elif host_machine.cpu_family() == 'arm'
if system_has_kms_drm
with_asm_arch = 'arm'
pre_args += ['-DUSE_ARM_ASM']
endif
elif host_machine.cpu_family() == 'aarch64'
if system_has_kms_drm
with_asm_arch = 'aarch64'
pre_args += ['-DUSE_AARCH64_ASM']
endif
elif host_machine.cpu_family() == 'sparc64'
if system_has_kms_drm
with_asm_arch = 'sparc'
pre_args += ['-DUSE_SPARC_ASM']
endif
elif host_machine.cpu_family() == 'ppc64le'
if system_has_kms_drm
with_asm_arch = 'ppc64le'
pre_args += ['-DUSE_PPC64LE_ASM']
endif
endif
endif
# Check for standard headers and functions
if cc.has_header_symbol('sys/sysmacros.h', 'major')
pre_args += '-DMAJOR_IN_SYSMACROS'
elif cc.has_header_symbol('sys/mkdev.h', 'major')
pre_args += '-DMAJOR_IN_MKDEV'
endif
foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h', 'endian.h', 'dlfcn.h']
if cc.compiles('#include <@0@>'.format(h), name : '@0@'.format(h))
pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
endif
endforeach
foreach f : ['strtof', 'mkostemp', 'posix_memalign', 'timespec_get', 'memfd_create']
if cc.has_function(f)
pre_args += '-DHAVE_@0@'.format(f.to_upper())
endif
endforeach
# strtod locale support
if cc.links('''
#define _GNU_SOURCE
#include <stdlib.h>
#include <locale.h>
#ifdef HAVE_XLOCALE_H
#include <xlocale.h>
#endif
int main() {
locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
const char *s = "1.0";
char *end;
double d = strtod_l(s, end, loc);
float f = strtof_l(s, end, loc);
freelocale(loc);
return 0;
}''',
args : pre_args,
name : 'strtod has locale support')
pre_args += '-DHAVE_STRTOD_L'
endif
# Check for some linker flags
ld_args_bsymbolic = []
if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
ld_args_bsymbolic += '-Wl,-Bsymbolic'
endif
ld_args_gc_sections = []
if cc.links('static char unused() { return 5; } int main() { return 0; }',
args : '-Wl,--gc-sections', name : 'gc-sections')
ld_args_gc_sections += '-Wl,--gc-sections'
endif
with_ld_version_script = false
if cc.links('int main() { return 0; }',
args : '-Wl,--version-script=@0@'.format(
join_paths(meson.source_root(), 'build-support/conftest.map')),
name : 'version-script')
with_ld_version_script = true
endif
with_ld_dynamic_list = false
if cc.links('int main() { return 0; }',
args : '-Wl,--dynamic-list=@0@'.format(
join_paths(meson.source_root(), 'build-support/conftest.dyn')),
name : 'dynamic-list')
with_ld_dynamic_list = true
endif
ld_args_build_id = []
if build_machine.system() != 'darwin'
ld_args_build_id += '-Wl,--build-id=sha1'
endif
# check for dl support
if cc.has_function('dlopen')
dep_dl = null_dep
else
dep_dl = cc.find_library('dl')
endif
if cc.has_function('dladdr', dependencies : dep_dl)
# This is really only required for megadrivers
pre_args += '-DHAVE_DLADDR'
endif
if cc.has_function('dl_iterate_phdr')
pre_args += '-DHAVE_DL_ITERATE_PHDR'
elif with_intel_vk
error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
elif with_dri_i965 and get_option('shader-cache')
error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
endif
# Determine whether or not the rt library is needed for time functions
if cc.has_function('clock_gettime')
dep_clock = null_dep
else
dep_clock = cc.find_library('rt')
endif
# TODO: some of these may be conditional
dep_zlib = dependency('zlib', version : '>= 1.2.3')
pre_args += '-DHAVE_ZLIB'
dep_thread = dependency('threads')
if dep_thread.found() and host_machine.system() != 'windows'
pre_args += '-DHAVE_PTHREAD'
endif
if with_amd_vk or with_gallium_radeonsi or with_gallium_r600 or with_gallium_opencl
dep_elf = dependency('libelf', required : false)
if not dep_elf.found()
dep_elf = cc.find_library('elf')
endif
else
dep_elf = null_dep
endif
dep_expat = dependency('expat')
# this only exists on linux so either this is linux and it will be found, or
# its not linux and and wont
dep_m = cc.find_library('m', required : false)
# Check for libdrm. various drivers have different libdrm version requirements,
# but we always want to use the same version for all libdrm modules. That means
# even if driver foo requires 2.4.0 and driver bar requires 2.4.3, if foo and
# bar are both on use 2.4.3 for both of them
dep_libdrm_amdgpu = null_dep
dep_libdrm_radeon = null_dep
dep_libdrm_nouveau = null_dep
dep_libdrm_etnaviv = null_dep
dep_libdrm_freedreno = null_dep
dep_libdrm_intel = null_dep
_drm_amdgpu_ver = '2.4.93'
_drm_radeon_ver = '2.4.71'
_drm_nouveau_ver = '2.4.66'
_drm_etnaviv_ver = '2.4.89'
_drm_freedreno_ver = '2.4.92'
_drm_intel_ver = '2.4.75'
_drm_ver = '2.4.75'
_libdrm_checks = [
['intel', with_dri_i915 or with_gallium_i915],
['amdgpu', with_amd_vk or with_gallium_radeonsi],
['radeon', (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
with_gallium_r300 or with_gallium_r600)],
['nouveau', (with_gallium_nouveau or with_dri_nouveau)],
['etnaviv', with_gallium_etnaviv],
['freedreno', with_gallium_freedreno],
]
# VC4 only needs core libdrm support of this version, not a libdrm_vc4
# library.
if with_gallium_vc4
_drm_ver = '2.4.89'
endif
# Loop over the enables versions and get the highest libdrm requirement for all
# active drivers.
foreach d : _libdrm_checks
ver = get_variable('_drm_@0@_ver'.format(d[0]))
if d[1] and ver.version_compare('>' + _drm_ver)
_drm_ver = ver
endif
endforeach
# Then get each libdrm module
foreach d : _libdrm_checks
if d[1]
set_variable(
'dep_libdrm_' + d[0],
dependency('libdrm_' + d[0], version : '>=' + _drm_ver)
)
endif
endforeach
with_gallium_drisw_kms = false
dep_libdrm = dependency(
'libdrm', version : '>=' + _drm_ver,
required : with_dri2 or with_dri3
)
if dep_libdrm.found()
pre_args += '-DHAVE_LIBDRM'
if with_dri_platform == 'drm' and with_dri
with_gallium_drisw_kms = true
endif
endif
llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
llvm_optional_modules = []
if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
llvm_modules += ['amdgpu', 'bitreader', 'ipo']
if with_gallium_r600
llvm_modules += 'asmparser'
endif
endif
if with_gallium_opencl
llvm_modules += [
'all-targets', 'linker', 'coverage', 'instrumentation', 'ipo', 'irreader',
'lto', 'option', 'objcarcopts', 'profiledata',
]
llvm_optional_modules += ['coroutines', 'opencl']
endif
if with_amd_vk or with_gallium_radeonsi
_llvm_version = '>= 6.0.0'
elif with_gallium_swr
_llvm_version = '>= 5.0.0'
elif with_gallium_opencl or with_gallium_r600
_llvm_version = '>= 3.9.0'
else
_llvm_version = '>= 3.3.0'
endif
_llvm = get_option('llvm')
if _llvm == 'auto'
dep_llvm = dependency(
'llvm',
version : _llvm_version,
modules : llvm_modules,
optional_modules : llvm_optional_modules,
required : with_amd_vk or with_gallium_radeonsi or with_gallium_swr or with_gallium_opencl,
)
with_llvm = dep_llvm.found()
elif _llvm == 'true'
dep_llvm = dependency(
'llvm',
version : _llvm_version,
modules : llvm_modules,
optional_modules : llvm_optional_modules,
)
with_llvm = true
else
dep_llvm = null_dep
with_llvm = false
endif
if with_llvm
_llvm_version = dep_llvm.version().split('.')
# Development versions of LLVM have an 'svn' or 'git' suffix, we don't want
# that for our version checks.
# svn suffixes are stripped by meson as of 0.43, and git suffixes are
# strippped as of 0.44, but we support older meson versions.
# 3 digits versions in LLVM only started from 3.4.1 on
if dep_llvm.version().version_compare('>= 3.4.1')
_llvm_patch = _llvm_version[2]
else
_llvm_patch = '0'
endif
if _llvm_patch.endswith('svn')
_llvm_patch = _llvm_patch.split('s')[0]
elif _llvm_patch.contains('git')
_llvm_patch = _llvm_patch.split('g')[0]
endif
pre_args += [
'-DHAVE_LLVM=0x0@0@0@1@'.format(_llvm_version[0], _llvm_version[1]),
'-DMESA_LLVM_VERSION_PATCH=@0@'.format(_llvm_patch),
]
# LLVM can be built without rtti, turning off rtti changes the ABI of C++
# programs, so we need to build all C++ code in mesa without rtti as well to
# ensure that linking works.
if dep_llvm.get_configtool_variable('has-rtti') == 'NO'
cpp_args += '-fno-rtti'
endif
elif with_amd_vk or with_gallium_radeonsi or with_gallium_swr
error('The following drivers require LLVM: Radv, RadeonSI, SWR. One of these is enabled, but LLVM is disabled.')
endif
dep_glvnd = null_dep
if with_glvnd
dep_glvnd = dependency('libglvnd', version : '>= 0.2.0')
pre_args += '-DUSE_LIBGLVND=1'
endif
if with_valgrind != 'false'
dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
if dep_valgrind.found()
pre_args += '-DHAVE_VALGRIND'
endif
else
dep_valgrind = null_dep
endif
# pthread stubs. Lets not and say we didn't
prog_bison = find_program('bison', required : with_any_opengl)
prog_flex = find_program('flex', required : with_any_opengl)
dep_selinux = null_dep
if get_option('selinux')
dep_selinux = dependency('libselinux')
pre_args += '-DMESA_SELINUX'
endif
if with_libunwind != 'false'
dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
if dep_unwind.found()
pre_args += '-DHAVE_LIBUNWIND'
endif
else
dep_unwind = null_dep
endif
if with_osmesa != 'none'
if with_osmesa == 'classic' and not with_dri_swrast
error('OSMesa classic requires dri (classic) swrast.')
endif
if with_osmesa == 'gallium' and not with_gallium_softpipe
error('OSMesa gallium requires gallium softpipe or llvmpipe.')
endif
osmesa_lib_name = 'OSMesa'
osmesa_bits = get_option('osmesa-bits')
if osmesa_bits != '8'
if with_dri or with_glx != 'disabled'
error('OSMesa bits must be 8 if building glx or dir based drivers')
endif
osmesa_lib_name = osmesa_lib_name + osmesa_bits
pre_args += [
'-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
]
endif
endif
# TODO: symbol mangling
if with_platform_wayland
dep_wl_scanner = dependency('wayland-scanner', native: true)
prog_wl_scanner = find_program(dep_wl_scanner.get_pkgconfig_variable('wayland_scanner'))
if dep_wl_scanner.version().version_compare('>= 1.15')
wl_scanner_arg = 'private-code'
else
wl_scanner_arg = 'code'
endif
dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
dep_wayland_client = dependency('wayland-client', version : '>=1.11')
dep_wayland_server = dependency('wayland-server', version : '>=1.11')
if with_egl
dep_wayland_egl = dependency('wayland-egl-backend', version : '>= 3')
dep_wayland_egl_headers = declare_dependency(
compile_args : run_command(prog_pkgconfig, ['wayland-egl-backend', '--cflags']).stdout().split())
endif
wayland_dmabuf_xml = join_paths(
dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
)
pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
else
prog_wl_scanner = []
wl_scanner_arg = ''
dep_wl_protocols = null_dep
dep_wayland_client = null_dep
dep_wayland_server = null_dep
wayland_dmabuf_xml = ''
endif
dep_x11 = null_dep
dep_xext = null_dep
dep_xdamage = null_dep
dep_xfixes = null_dep
dep_x11_xcb = null_dep
dep_xcb = null_dep
dep_xcb_glx = null_dep
dep_xcb_dri2 = null_dep
dep_xcb_dri3 = null_dep
dep_dri2proto = null_dep
dep_glproto = null_dep
dep_xxf86vm = null_dep
dep_xcb_dri3 = null_dep
dep_xcb_present = null_dep
dep_xcb_sync = null_dep
dep_xcb_xfixes = null_dep
dep_xshmfence = null_dep
dep_xcb_xrandr = null_dep
dep_xlib_xrandr = null_dep
if with_platform_x11
if with_glx == 'xlib' or with_glx == 'gallium-xlib'
dep_x11 = dependency('x11')
dep_xext = dependency('xext')
dep_xcb = dependency('xcb')
elif with_glx == 'dri'
dep_x11 = dependency('x11')
dep_xext = dependency('xext')
dep_xdamage = dependency('xdamage', version : '>= 1.1')
dep_xfixes = dependency('xfixes')
dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
dep_xxf86vm = dependency('xxf86vm', required : false)
endif
if (with_any_vk or with_glx == 'dri' or
(with_gallium_vdpau or with_gallium_xvmc or with_gallium_va or
with_gallium_omx != 'disabled'))
dep_xcb = dependency('xcb')
dep_x11_xcb = dependency('x11-xcb')
endif
if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
if with_dri3
pre_args += '-DHAVE_DRI3'
dep_xcb_dri3 = dependency('xcb-dri3')
dep_xcb_present = dependency('xcb-present')
# until xcb-dri3 has been around long enough to make a hard-dependency:
if (dep_xcb_dri3.version().version_compare('>= 1.13') and
dep_xcb_present.version().version_compare('>= 1.13'))
pre_args += '-DHAVE_DRI3_MODIFIERS'
endif
dep_xcb_sync = dependency('xcb-sync')
dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
endif
endif
if with_glx == 'dri'
if with_dri_platform == 'drm'
dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
endif
dep_glproto = dependency('glproto', version : '>= 1.4.14')
endif
if (with_egl or (
with_gallium_vdpau or with_gallium_xvmc or with_gallium_xa or
with_gallium_omx != 'disabled'))
dep_xcb_xfixes = dependency('xcb-xfixes')
endif
if with_xlib_lease
dep_xcb_xrandr = dependency('xcb-randr', version : '>= 1.12')
dep_xlib_xrandr = dependency('xrandr', version : '>= 1.3')
endif
endif
if get_option('gallium-extra-hud')
pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
endif
_sensors = get_option('lmsensors')
if _sensors != 'false'
dep_lmsensors = cc.find_library('libsensors', required : _sensors == 'true')
if dep_lmsensors.found()
pre_args += '-DHAVE_LIBSENSORS=1'
endif
else
dep_lmsensors = null_dep
endif
foreach a : pre_args
add_project_arguments(a, language : ['c', 'cpp'])
endforeach
foreach a : c_args
add_project_arguments(a, language : ['c'])
endforeach
foreach a : cpp_args
add_project_arguments(a, language : ['cpp'])
endforeach
inc_include = include_directories('include')
gl_priv_reqs = []
if with_glx == 'xlib' or with_glx == 'gallium-xlib'
gl_priv_reqs += ['x11', 'xext', 'xcb']
elif with_glx == 'dri'
gl_priv_reqs += [
'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
'xcb-glx >= 1.8.1']
if with_dri_platform == 'drm'
gl_priv_reqs += 'xcb-dri2 >= 1.8'
endif
endif
if dep_libdrm.found()
gl_priv_reqs += 'libdrm >= 2.4.75'
endif
if dep_xxf86vm.found()
gl_priv_reqs += 'xxf86vm'
endif
gl_priv_libs = []
if dep_thread.found()
gl_priv_libs += ['-lpthread', '-pthread']
endif
if dep_m.found()
gl_priv_libs += '-lm'
endif
if dep_dl.found()
gl_priv_libs += '-ldl'
endif
pkg = import('pkgconfig')
env_test = environment()
env_test.set('NM', find_program('nm').path())
subdir('include')
subdir('bin')
subdir('src')