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meson.build
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meson.build
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# Copyright © 2017-2019 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 : '>= 0.45',
default_options : ['buildtype=debugoptimized', 'b_ndebug=if-release', 'c_std=c99', 'cpp_std=c++11']
)
cc = meson.get_compiler('c')
cpp = meson.get_compiler('cpp')
null_dep = dependency('', required : false)
# 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',
'-DPACKAGE_VERSION="@0@"'.format(meson.project_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_glx_direct = get_option('glx-direct')
with_osmesa = get_option('osmesa')
with_swr_arches = get_option('swr-arches')
with_tools = get_option('tools')
if with_tools.contains('all')
with_tools = ['etnaviv', '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('prefix'), get_option('libdir'), 'dri')
endif
dri_search_path = get_option('dri-search-path')
if dri_search_path == ''
dri_search_path = dri_drivers_path
endif
with_gles1 = get_option('gles1')
with_gles2 = get_option('gles2')
if host_machine.system() == 'windows'
if with_gles1 == 'auto'
with_gles1 = 'false'
endif
if with_gles2 == 'auto'
with_gles2 = 'false'
endif
endif
with_opengl = get_option('opengl')
with_shared_glapi = get_option('shared-glapi')
# shared-glapi is required if at least two OpenGL APIs are being built
if not with_shared_glapi
if ((with_gles1 == 'true' and with_gles2 == 'true') or
(with_gles1 == 'true' and with_opengl) or
(with_gles2 == 'true' and with_opengl))
error('shared-glapi required for building two or more of OpenGL, OpenGL ES 1.x, OpenGL ES 2.x')
endif
with_gles1 = 'false'
with_gles2 = 'false'
endif
# We require OpenGL for OpenGL ES
if not with_opengl
if (with_gles1 == 'true' or with_gles2 == 'true') and not with_opengl
error('building OpenGL ES without OpenGL is not supported.')
endif
with_gles1 = 'false'
with_gles2 = 'false'
endif
with_gles1 = with_gles1 != 'false'
with_gles2 = with_gles2 != 'false'
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
system_has_kms_drm = ['openbsd', 'netbsd', 'freebsd', 'gnu/kfreebsd', 'dragonfly', 'linux'].contains(host_machine.system())
dri_drivers = get_option('dri-drivers')
if dri_drivers.contains('auto')
if system_has_kms_drm
# TODO: PPC, Sparc
if ['x86', 'x86_64'].contains(host_machine.cpu_family())
dri_drivers = ['i915', 'i965', 'r100', 'r200', 'nouveau']
elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
dri_drivers = []
else
error('Unknown architecture @0@. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.'.format(
host_machine.cpu_family()))
endif
elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
# only swrast would make sense here, but gallium swrast is a much better default
dri_drivers = []
else
error('Unknown OS @0@. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.'.format(
host_machine.system()))
endif
endif
with_dri_i915 = dri_drivers.contains('i915')
with_dri_i965 = dri_drivers.contains('i965')
with_dri_r100 = dri_drivers.contains('r100')
with_dri_r200 = dri_drivers.contains('r200')
with_dri_nouveau = dri_drivers.contains('nouveau')
with_dri_swrast = dri_drivers.contains('swrast')
with_dri = dri_drivers.length() != 0 and dri_drivers != ['']
gallium_drivers = get_option('gallium-drivers')
if gallium_drivers.contains('auto')
if system_has_kms_drm
# TODO: PPC, Sparc
if ['x86', 'x86_64'].contains(host_machine.cpu_family())
gallium_drivers = [
'r300', 'r600', 'radeonsi', 'nouveau', 'virgl', 'svga', 'swrast'
]
elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
gallium_drivers = [
'kmsro', 'v3d', 'vc4', 'freedreno', 'etnaviv', 'nouveau',
'tegra', 'virgl', 'lima', 'swrast'
]
else
error('Unknown architecture @0@. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.'.format(
host_machine.cpu_family()))
endif
elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
gallium_drivers = ['swrast']
else
error('Unknown OS @0@. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.'.format(
host_machine.system()))
endif
endif
with_gallium_kmsro = gallium_drivers.contains('kmsro')
with_gallium_radeonsi = gallium_drivers.contains('radeonsi')
with_gallium_r300 = gallium_drivers.contains('r300')
with_gallium_r600 = gallium_drivers.contains('r600')
with_gallium_nouveau = gallium_drivers.contains('nouveau')
with_gallium_freedreno = gallium_drivers.contains('freedreno')
with_gallium_softpipe = gallium_drivers.contains('swrast')
with_gallium_vc4 = gallium_drivers.contains('vc4')
with_gallium_v3d = gallium_drivers.contains('v3d')
with_gallium_panfrost = gallium_drivers.contains('panfrost')
with_gallium_etnaviv = gallium_drivers.contains('etnaviv')
with_gallium_tegra = gallium_drivers.contains('tegra')
with_gallium_iris = gallium_drivers.contains('iris')
with_gallium_i915 = gallium_drivers.contains('i915')
with_gallium_svga = gallium_drivers.contains('svga')
with_gallium_virgl = gallium_drivers.contains('virgl')
with_gallium_swr = gallium_drivers.contains('swr')
with_gallium_lima = gallium_drivers.contains('lima')
if cc.get_id() == 'intel'
if meson.version().version_compare('< 0.49.0')
error('Meson does not have sufficient support of ICC before 0.49.0 to compile mesa')
elif with_gallium_swr and meson.version().version_compare('== 0.49.0')
warning('Meson as of 0.49.0 is sufficient for compiling mesa with ICC, but there are some caveats with SWR. 0.49.1 should resolve all of these')
endif
endif
#This message is needed until we bump meson version to 0.46 because of known 0.45.0 and 0.45.1 issue
#https://bugs.freedesktop.org/show_bug.cgi?id=109791
if meson.version().version_compare('< 0.46.0')
warning('''Meson < 0.46 doesn't automatically define `NDEBUG`; please update meson to at least 0.46.''')
endif
with_gallium = gallium_drivers.length() != 0 and gallium_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']
elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
_vulkan_drivers = []
else
error('Unknown architecture @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
host_machine.cpu_family()))
endif
elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
# No vulkan driver supports windows or macOS currently
_vulkan_drivers = []
else
error('Unknown OS @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
host_machine.system()))
endif
endif
with_intel_vk = _vulkan_drivers.contains('intel')
with_amd_vk = _vulkan_drivers.contains('amd')
with_freedreno_vk = _vulkan_drivers.contains('freedreno')
with_any_vk = _vulkan_drivers.length() != 0 and _vulkan_drivers != ['']
if with_freedreno_vk and get_option('I-love-half-baked-turnips') != true
error('Cannot enable freedreno vulkan driver')
endif
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_kmsro and not (with_gallium_v3d or with_gallium_vc4 or with_gallium_etnaviv or with_gallium_freedreno or with_gallium_panfrost or with_gallium_lima)
error('kmsro driver requires one or more renderonly drivers (vc4, etnaviv, freedreno, panfrost, lima)')
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'
pre_args += '-DBUILDING_MESA'
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: 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 @0@. Please pass -Dplatforms to set platforms. Patches gladly accepted to fix this.'.format(
host_machine.system()))
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 != 'disabled')
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 = (
not ['darwin', 'windows'].contains(host_machine.system()) and
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')
elif ['darwin', 'windows'].contains(host_machine.system())
error('EGL is not available on Windows or MacOS')
endif
with_egl = true
else
with_egl = false
endif
if with_egl and not (with_platform_drm or with_platform_surfaceless or with_platform_android)
if with_gallium_radeonsi
error('RadeonSI requires the drm, surfaceless or android platform when using EGL')
endif
if with_gallium_virgl
error('Virgl requires the drm, surfaceless or android 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_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
if get_option('egl-lib-suffix') != ''
error('''EGL lib suffix can't be used with libglvnd''')
endif
endif
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' or
host_machine.system() == 'gnu')
_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
if with_glx == 'disabled' and not with_egl and not with_gbm and with_osmesa != 'classic'
error('building dri drivers require at least one windowing system or classic osmesa')
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
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('prefix'), 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
or with_gallium_iris)
error('The nine state tracker requires at least one non-swrast gallium driver.')
endif
if not with_dri3
error('Using nine with wine requires dri3')
endif
endif
if get_option('power8') != 'false'
# on old versions of meson the cpu family would return as ppc64le on little
# endian power8, this was changed in 0.48 such that the family would always
# be ppc64 regardless of endianness, and the the machine.endian() value
# should be checked. Since we support versions < 0.48 we need to use
# startswith.
if host_machine.cpu_family().startswith('ppc64') and host_machine.endian() == 'little'
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')
clover_cpp_std = []
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'
if host_machine.cpu_family().startswith('ppc') and cpp.compiles('''
#if !defined(__VEC__) || !defined(__ALTIVEC__)
#error "AltiVec not enabled"
#endif''',
name : 'Altivec')
clover_cpp_std += ['cpp_std=gnu++11']
endif
else
dep_clc = null_dep
with_gallium_opencl = false
with_opencl_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'),
]
if get_option('platform-sdk-version') >= 26
dep_android += dependency('nativewindow')
endif
pre_args += '-DHAVE_ANDROID_PLATFORM'
endif
if with_platform_haiku
pre_args += '-DHAVE_HAIKU_PLATFORM'
endif
if meson.version().version_compare('>=0.50')
prog_python = import('python').find_installation('python3')
else
prog_python = import('python3').find_python()
endif
has_mako = run_command(
prog_python, '-c',
'''
from distutils.version import StrictVersion
import mako
assert StrictVersion(mako.__version__) > StrictVersion("0.8.0")
''')
if has_mako.returncode() != 0
error('Python (3.x) mako module >= 0.8.0 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
with_shader_cache = false
_shader_cache = get_option('shader-cache')
if _shader_cache != 'false'
if host_machine.system() == 'windows'
if _shader_cache == 'true'
error('Shader Cache does not currently work on Windows')
endif
else
pre_args += '-DENABLE_SHADER_CACHE'
with_shader_cache = true
endif
endif
if with_amd_vk and not with_shader_cache
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', 'gnu', 'gnu/kfreebsd'].contains(host_machine.system())
pre_args += '-D_GNU_SOURCE'
endif
# Check for generic C arguments
c_args = []
foreach a : ['-Werror=implicit-function-declaration',
'-Werror=missing-prototypes', '-Werror=return-type',
'-Werror=incompatible-pointer-types',
'-fno-math-errno',
'-fno-trapping-math', '-Qunused-arguments']
if cc.has_argument(a)
c_args += a
endif
endforeach
foreach a : ['missing-field-initializers', 'format-truncation']
if cc.has_argument('-W' + a)
c_args += '-Wno-' + a
endif
endforeach
c_vis_args = []
if cc.has_argument('-fvisibility=hidden')
c_vis_args += '-fvisibility=hidden'
endif
# Check for generic C++ arguments
cpp_args = []
foreach a : ['-Werror=return-type',
'-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', 'format-truncation']
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);
}''',
dependencies : dep_atomic,
name : 'GCC 64bit atomics')
pre_args += '-DMISSING_64BIT_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 with_asm and 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.
''')