1 # Copyright © 2017-2018 Intel Corporation
3 # Permission is hereby granted, free of charge, to any person obtaining a copy
4 # of this software and associated documentation files (the "Software"), to deal
5 # in the Software without restriction, including without limitation the rights
6 # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
7 # copies of the Software, and to permit persons to whom the Software is
8 # furnished to do so, subject to the following conditions:
10 # The above copyright notice and this permission notice shall be included in
11 # all copies or substantial portions of the Software.
13 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
16 # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
17 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
18 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
24 version : run_command(
25 [find_program('python', 'python2', 'python3'), 'bin/meson_get_version.py']
28 meson_version : '>= 0.44.1',
29 default_options : ['buildtype=debugoptimized', 'c_std=c99', 'cpp_std=c++11']
32 cc = meson.get_compiler('c')
33 cpp = meson.get_compiler('cpp')
35 null_dep = dependency('', required : false)
37 system_has_kms_drm = ['openbsd', 'netbsd', 'freebsd', 'dragonfly', 'linux'].contains(host_machine.system())
39 # Arguments for the preprocessor, put these in a separate array from the C and
40 # C++ (cpp in meson terminology) arguments since they need to be added to the
41 # default arguments for both C and C++.
43 '-D__STDC_CONSTANT_MACROS',
44 '-D__STDC_FORMAT_MACROS',
45 '-D__STDC_LIMIT_MACROS',
46 '-DVERSION="@0@"'.format(meson.project_version()),
47 '-DPACKAGE_VERSION=VERSION',
48 '-DPACKAGE_BUGREPORT="https://bugs.freedesktop.org/enter_bug.cgi?product=Mesa"',
51 with_vulkan_icd_dir = get_option('vulkan-icd-dir')
52 with_tests = get_option('build-tests')
53 with_valgrind = get_option('valgrind')
54 with_libunwind = get_option('libunwind')
55 with_asm = get_option('asm')
56 with_glx_read_only_text = get_option('glx-read-only-text')
57 with_osmesa = get_option('osmesa')
58 with_swr_arches = get_option('swr-arches')
59 with_tools = get_option('tools')
60 if with_tools.contains('all')
61 with_tools = ['freedreno', 'glsl', 'intel', 'nir', 'nouveau']
64 dri_drivers_path = get_option('dri-drivers-path')
65 if dri_drivers_path == ''
66 dri_drivers_path = join_paths(get_option('libdir'), 'dri')
68 dri_search_path = get_option('dri-search-path')
69 if dri_search_path == ''
70 dri_search_path = join_paths(get_option('prefix'), dri_drivers_path)
73 with_gles1 = get_option('gles1')
74 with_gles2 = get_option('gles2')
75 with_opengl = get_option('opengl')
76 with_any_opengl = with_opengl or with_gles1 or with_gles2
77 # Only build shared_glapi if at least one OpenGL API is enabled
78 with_shared_glapi = get_option('shared-glapi') and with_any_opengl
81 # shared-glapi is required if at least two OpenGL APIs are being built
82 if not with_shared_glapi
83 if ((with_gles1 and with_gles2) or (with_gles1 and with_opengl)
84 or (with_gles2 and with_opengl))
85 error('shared-glapi required for building two or more of OpenGL, OpenGL ES 1.x, OpenGL ES 2.x')
89 # We require OpenGL for OpenGL ES
90 if (with_gles1 or with_gles2) and not with_opengl
91 error('building OpenGL ES without OpenGL is not supported.')
94 system_has_kms_drm = ['openbsd', 'netbsd', 'freebsd', 'dragonfly', 'linux'].contains(host_machine.system())
96 _drivers = get_option('dri-drivers')
97 if _drivers.contains('auto')
100 if ['x86', 'x86_64'].contains(host_machine.cpu_family())
101 _drivers = ['i915', 'i965', 'r100', 'r200', 'nouveau']
102 elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
105 error('Unknown architecture. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.')
107 elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
108 # only swrast would make sense here, but gallium swrast is a much better default
111 error('Unknown OS. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.')
115 with_dri_i915 = _drivers.contains('i915')
116 with_dri_i965 = _drivers.contains('i965')
117 with_dri_r100 = _drivers.contains('r100')
118 with_dri_r200 = _drivers.contains('r200')
119 with_dri_nouveau = _drivers.contains('nouveau')
120 with_dri_swrast = _drivers.contains('swrast')
122 with_dri = _drivers.length() != 0 and _drivers != ['']
124 _drivers = get_option('gallium-drivers')
125 if _drivers.contains('auto')
126 if system_has_kms_drm
128 if ['x86', 'x86_64'].contains(host_machine.cpu_family())
130 'r300', 'r600', 'radeonsi', 'nouveau', 'virgl', 'svga', 'swrast'
132 elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
134 'pl111', 'v3d', 'vc4', 'freedreno', 'etnaviv', 'imx', 'nouveau',
135 'tegra', 'virgl', 'swrast',
138 error('Unknown architecture. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.')
140 elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
141 _drivers = ['swrast']
143 error('Unknown OS. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.')
146 with_gallium_pl111 = _drivers.contains('pl111')
147 with_gallium_radeonsi = _drivers.contains('radeonsi')
148 with_gallium_r300 = _drivers.contains('r300')
149 with_gallium_r600 = _drivers.contains('r600')
150 with_gallium_nouveau = _drivers.contains('nouveau')
151 with_gallium_freedreno = _drivers.contains('freedreno')
152 with_gallium_softpipe = _drivers.contains('swrast')
153 with_gallium_vc4 = _drivers.contains('vc4')
154 with_gallium_v3d = _drivers.contains('v3d')
155 with_gallium_etnaviv = _drivers.contains('etnaviv')
156 with_gallium_imx = _drivers.contains('imx')
157 with_gallium_tegra = _drivers.contains('tegra')
158 with_gallium_i915 = _drivers.contains('i915')
159 with_gallium_svga = _drivers.contains('svga')
160 with_gallium_virgl = _drivers.contains('virgl')
161 with_gallium_swr = _drivers.contains('swr')
163 with_gallium = _drivers.length() != 0 and _drivers != ['']
165 if with_gallium and system_has_kms_drm
166 _glx = get_option('glx')
167 _egl = get_option('egl')
168 if _glx == 'dri' or _egl == 'true' or (_glx == 'disabled' and _egl != 'false')
173 _vulkan_drivers = get_option('vulkan-drivers')
174 if _vulkan_drivers.contains('auto')
175 if system_has_kms_drm
176 if host_machine.cpu_family().startswith('x86')
177 _vulkan_drivers = ['amd', 'intel']
179 error('Unknown architecture. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.')
181 elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
182 # No vulkan driver supports windows or macOS currently
185 error('Unknown OS. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.')
189 with_intel_vk = _vulkan_drivers.contains('intel')
190 with_amd_vk = _vulkan_drivers.contains('amd')
191 with_any_vk = _vulkan_drivers.length() != 0 and _vulkan_drivers != ['']
193 if with_dri_swrast and (with_gallium_softpipe or with_gallium_swr)
194 error('Only one swrast provider can be built')
196 if with_dri_i915 and with_gallium_i915
197 error('Only one i915 provider can be built')
199 if with_gallium_imx and not with_gallium_etnaviv
200 error('IMX driver requires etnaviv driver')
202 if with_gallium_pl111 and not with_gallium_vc4
203 error('pl111 driver requires vc4 driver')
205 if with_gallium_tegra and not with_gallium_nouveau
206 error('tegra driver requires nouveau driver')
209 if host_machine.system() == 'darwin'
210 with_dri_platform = 'apple'
211 elif ['windows', 'cygwin'].contains(host_machine.system())
212 with_dri_platform = 'windows'
213 elif system_has_kms_drm
214 with_dri_platform = 'drm'
216 # FIXME: haiku doesn't use dri, and xlib doesn't use dri, probably should
217 # assert here that one of those cases has been met.
218 # FIXME: GNU (hurd) ends up here as well, but meson doesn't officially
219 # support Hurd at time of writing (2017/11)
220 # FIXME: illumos ends up here as well
221 with_dri_platform = 'none'
224 _platforms = get_option('platforms')
225 if _platforms.contains('auto')
226 if system_has_kms_drm
227 _platforms = ['x11', 'wayland', 'drm', 'surfaceless']
228 elif ['darwin', 'windows', 'cygwin'].contains(host_machine.system())
229 _platforms = ['x11', 'surfaceless']
230 elif ['haiku'].contains(host_machine.system())
231 _platforms = ['haiku']
233 error('Unknown OS. Please pass -Dplatforms to set platforms. Patches gladly accepted to fix this.')
237 with_platform_android = _platforms.contains('android')
238 with_platform_x11 = _platforms.contains('x11')
239 with_platform_wayland = _platforms.contains('wayland')
240 with_platform_drm = _platforms.contains('drm')
241 with_platform_haiku = _platforms.contains('haiku')
242 with_platform_surfaceless = _platforms.contains('surfaceless')
244 with_platforms = false
245 if _platforms.length() != 0 and _platforms != ['']
246 with_platforms = true
247 egl_native_platform = _platforms[0]
250 _xlib_lease = get_option('xlib-lease')
251 if _xlib_lease == 'auto'
252 with_xlib_lease = with_platform_x11 and with_platform_drm
254 with_xlib_lease = _xlib_lease == 'true'
257 with_glx = get_option('glx')
258 if with_glx == 'auto'
261 elif with_platform_haiku
262 with_glx = 'disabled'
264 # Even when building just gallium drivers the user probably wants dri
267 elif with_platform_x11 and with_any_opengl and not with_any_vk
268 # The automatic behavior should not be to turn on xlib based glx when
269 # building only vulkan drivers
272 with_glx = 'disabled'
276 if not (with_dri or with_gallium or with_glx == 'xlib' or with_glx == 'gallium-xlib')
280 with_any_opengl = false
281 with_shared_glapi = false
284 _gbm = get_option('gbm')
286 with_gbm = system_has_kms_drm and with_dri
288 with_gbm = _gbm == 'true'
290 if with_gbm and not system_has_kms_drm
291 error('GBM only supports DRM/KMS platforms')
294 _egl = get_option('egl')
296 with_egl = with_dri and with_shared_glapi and with_platforms
299 error('EGL requires dri')
300 elif not with_shared_glapi
301 error('EGL requires shared-glapi')
302 elif not with_platforms
303 error('No platforms specified, consider -Dplatforms=drm,x11 at least')
304 elif not ['disabled', 'dri'].contains(with_glx)
305 error('EGL requires dri, but a GLX is being built without dri')
312 if with_egl and not (with_platform_drm or with_platform_surfaceless)
313 if with_gallium_radeonsi
314 error('RadeonSI requires drm or surfaceless platform when using EGL')
316 if with_gallium_virgl
317 error('Virgl requires drm or surfaceless platform when using EGL')
321 pre_args += '-DGLX_USE_TLS'
322 if with_glx != 'disabled'
323 if not (with_platform_x11 and with_any_opengl)
324 error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
325 elif with_glx == 'gallium-xlib'
327 error('Gallium-xlib based GLX requires at least one gallium driver')
328 elif not with_gallium_softpipe
329 error('Gallium-xlib based GLX requires softpipe or llvmpipe.')
331 error('gallium-xlib conflicts with any dri driver')
333 elif with_glx == 'xlib'
335 error('xlib conflicts with any dri driver')
337 elif with_glx == 'dri'
339 error('dri based GLX requires at least one DRI driver')
340 elif not with_shared_glapi
341 error('dri based GLX requires shared-glapi')
346 with_glvnd = get_option('glvnd')
348 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
349 error('Cannot build glvnd support for GLX that is not DRI based.')
350 elif with_glx == 'disabled' and not with_egl
351 error('glvnd requires DRI based GLX and/or EGL')
355 # TODO: toggle for this
356 with_glx_direct = true
358 if with_vulkan_icd_dir == ''
359 with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
362 with_dri2 = (with_dri or with_any_vk) and with_dri_platform == 'drm'
363 _dri3 = get_option('dri3')
365 with_dri3 = system_has_kms_drm and with_dri2
367 with_dri3 = _dri3 == 'true'
370 if with_any_vk and (with_platform_x11 and not with_dri3)
371 error('Vulkan drivers require dri3 for X11 support')
373 if with_dri or with_gallium
374 if with_glx == 'disabled' and not with_egl and not with_platform_haiku
375 error('building dri or gallium drivers require at least one window system')
379 prog_pkgconfig = find_program('pkg-config')
381 _vdpau = get_option('gallium-vdpau')
382 if not system_has_kms_drm
384 error('VDPAU state tracker can only be build on unix-like OSes.')
388 elif not with_platform_x11
390 error('VDPAU state tracker requires X11 support.')
394 elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
395 with_gallium_nouveau)
397 error('VDPAU state tracker requires at least one of the following gallium drivers: r300, r600, radeonsi, nouveau.')
403 with_gallium_vdpau = false
405 dep_vdpau = dependency('vdpau', version : '>= 1.1', required : _vdpau == 'true')
407 dep_vdpau = declare_dependency(
408 compile_args : run_command(prog_pkgconfig, ['vdpau', '--cflags']).stdout().split()
410 with_gallium_vdpau = true
414 if with_gallium_vdpau
415 pre_args += '-DHAVE_ST_VDPAU'
417 vdpau_drivers_path = get_option('vdpau-libs-path')
418 if vdpau_drivers_path == ''
419 vdpau_drivers_path = join_paths(get_option('libdir'), 'vdpau')
422 _xvmc = get_option('gallium-xvmc')
423 if not system_has_kms_drm
425 error('XVMC state tracker can only be build on unix-like OSes.')
429 elif not with_platform_x11
431 error('XVMC state tracker requires X11 support.')
435 elif not (with_gallium_r600 or with_gallium_nouveau)
437 error('XVMC state tracker requires at least one of the following gallium drivers: r600, nouveau.')
443 with_gallium_xvmc = false
445 dep_xvmc = dependency('xvmc', version : '>= 1.0.6', required : _xvmc == 'true')
446 with_gallium_xvmc = dep_xvmc.found()
449 xvmc_drivers_path = get_option('xvmc-libs-path')
450 if xvmc_drivers_path == ''
451 xvmc_drivers_path = get_option('libdir')
454 _omx = get_option('gallium-omx')
455 if not system_has_kms_drm
456 if ['auto', 'disabled'].contains(_omx)
459 error('OMX state tracker can only be built on unix-like OSes.')
461 elif not (with_platform_x11 or with_platform_drm)
462 if ['auto', 'disabled'].contains(_omx)
465 error('OMX state tracker requires X11 or drm platform support.')
467 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
468 if ['auto', 'disabled'].contains(_omx)
471 error('OMX state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
474 with_gallium_omx = _omx
477 if ['auto', 'bellagio'].contains(_omx)
478 dep_omx = dependency(
479 'libomxil-bellagio', required : _omx == 'bellagio'
482 with_gallium_omx = 'bellagio'
485 if ['auto', 'tizonia'].contains(_omx)
486 if with_dri and with_egl
487 dep_omx = dependency(
488 'libtizonia', version : '>= 0.10.0',
489 required : _omx == 'tizonia',
492 dependency('libtizplatform', required : _omx == 'tizonia'),
493 dependency('tizilheaders', required : _omx == 'tizonia'),
495 if dep_omx.found() and dep_omx_other[0].found() and dep_omx_other[1].found()
496 with_gallium_omx = 'tizonia'
498 elif _omx == 'tizonia'
499 error('OMX-Tizonia state tracker requires dri and egl')
503 with_gallium_omx = 'disabled'
505 with_gallium_omx = _omx
509 '-DENABLE_ST_OMX_BELLAGIO=' + (with_gallium_omx == 'bellagio' ? '1' : '0'),
510 '-DENABLE_ST_OMX_TIZONIA=' + (with_gallium_omx == 'tizonia' ? '1' : '0'),
514 omx_drivers_path = get_option('omx-libs-path')
516 if with_gallium_omx != 'disabled'
517 # Figure out where to put the omx driver.
518 # FIXME: this could all be vastly simplified by adding a 'defined_variable'
519 # argument to meson's get_pkgconfig_variable method.
520 if omx_drivers_path == ''
521 _omx_libdir = dep_omx.get_pkgconfig_variable('libdir')
522 _omx_drivers_dir = dep_omx.get_pkgconfig_variable('pluginsdir')
523 if _omx_libdir == get_option('libdir')
524 omx_drivers_path = _omx_drivers_dir
527 # This will fail on windows. Does OMX run on windows?
528 _omx_libdir = _omx_libdir.split('/')
529 _omx_drivers_dir = _omx_drivers_dir.split('/')
530 foreach o : _omx_drivers_dir
531 if not _omx_libdir.contains(o)
535 omx_drivers_path = join_paths(get_option('libdir'), _omx_base_dir)
540 _va = get_option('gallium-va')
541 if not system_has_kms_drm
543 error('VA state tracker can only be built on unix-like OSes.')
547 elif not (with_platform_x11 or with_platform_drm)
549 error('VA state tracker requires X11 or drm or wayland platform support.')
553 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
555 error('VA state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
562 with_gallium_va = false
565 dep_va = dependency('libva', version : '>= 0.38.0', required : _va == 'true')
567 dep_va_headers = declare_dependency(
568 compile_args : run_command(prog_pkgconfig, ['libva', '--cflags']).stdout().split()
570 with_gallium_va = true
574 va_drivers_path = get_option('va-libs-path')
575 if va_drivers_path == ''
576 va_drivers_path = join_paths(get_option('libdir'), 'dri')
579 _xa = get_option('gallium-xa')
580 if not system_has_kms_drm
582 error('XA state tracker can only be built on unix-like OSes.')
586 elif not (with_gallium_nouveau or with_gallium_freedreno or with_gallium_i915
587 or with_gallium_svga)
589 error('XA state tracker requires at least one of the following gallium drivers: nouveau, freedreno, i915, svga.')
594 with_gallium_xa = _xa != 'false'
596 d3d_drivers_path = get_option('d3d-drivers-path')
597 if d3d_drivers_path == ''
598 d3d_drivers_path = join_paths(get_option('libdir'), 'd3d')
601 with_gallium_st_nine = get_option('gallium-nine')
602 if with_gallium_st_nine
603 if not with_gallium_softpipe
604 error('The nine state tracker requires gallium softpipe/llvmpipe.')
605 elif not (with_gallium_radeonsi or with_gallium_nouveau or with_gallium_r600
606 or with_gallium_r300 or with_gallium_svga or with_gallium_i915)
607 error('The nine state tracker requires at least on non-swrast gallium driver.')
610 error('Using nine with wine requires dri3')
614 if get_option('power8') != 'false'
615 if host_machine.cpu_family() == 'ppc64le'
616 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.8')
617 error('Altivec is not supported with gcc version < 4.8.')
622 vector unsigned char r;
623 vector unsigned int v = vec_splat_u32 (1);
624 r = __builtin_vec_vgbbd ((vector unsigned char) v);
627 args : '-mpower8-vector',
628 name : 'POWER8 intrinsics')
629 pre_args += ['-D_ARCH_PWR8', '-mpower8-vector']
630 elif get_option('power8') == 'true'
631 error('POWER8 intrinsic support required but not found.')
636 _opencl = get_option('gallium-opencl')
637 if _opencl != 'disabled'
639 error('OpenCL Clover implementation requires at least one gallium driver.')
642 dep_clc = dependency('libclc')
643 with_gallium_opencl = true
644 with_opencl_icd = _opencl == 'icd'
647 with_gallium_opencl = false
648 with_gallium_icd = false
651 gl_pkgconfig_c_flags = []
653 if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
654 pre_args += '-DHAVE_X11_PLATFORM'
656 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
657 pre_args += '-DUSE_XSHM'
659 pre_args += '-DGLX_INDIRECT_RENDERING'
661 pre_args += '-DGLX_DIRECT_RENDERING'
663 if with_dri_platform == 'drm'
664 pre_args += '-DGLX_USE_DRM'
665 elif with_dri_platform == 'apple'
666 pre_args += '-DGLX_USE_APPLEGL'
667 elif with_dri_platform == 'windows'
668 pre_args += '-DGLX_USE_WINDOWSGL'
672 pre_args += '-DMESA_EGL_NO_X11_HEADERS'
673 gl_pkgconfig_c_flags += '-DMESA_EGL_NO_X11_HEADERS'
676 if with_egl and not with_gbm
677 error('EGL drm platform requires gbm')
679 pre_args += '-DHAVE_DRM_PLATFORM'
681 if with_platform_surfaceless
682 pre_args += '-DHAVE_SURFACELESS_PLATFORM'
684 if with_platform_android
686 dependency('cutils'),
687 dependency('hardware'),
690 pre_args += '-DHAVE_ANDROID_PLATFORM'
692 if with_platform_haiku
693 pre_args += '-DHAVE_HAIKU_PLATFORM'
696 prog_python2 = find_program('python2')
697 has_mako = run_command(prog_python2, '-c', 'import mako')
698 if has_mako.returncode() != 0
699 error('Python (2.x) mako module required to build mesa.')
702 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
703 error('When using GCC, version 4.4.6 or later is required.')
706 # Define DEBUG for debug builds only (debugoptimized is not included on this one)
707 if get_option('buildtype') == 'debug'
708 pre_args += '-DDEBUG'
711 if get_option('shader-cache')
712 pre_args += '-DENABLE_SHADER_CACHE'
714 error('Radv requires shader cache support')
717 # Check for GCC style builtins
718 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
719 'ffsll', 'popcount', 'popcountll', 'unreachable']
720 if cc.has_function(b)
721 pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
725 # check for GCC __attribute__
726 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
727 'warn_unused_result', 'weak',]
728 if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
729 name : '__attribute__((@0@))'.format(a))
730 pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
733 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
734 name : '__attribute__((format(...)))')
735 pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
737 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
738 name : '__attribute__((packed))')
739 pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
741 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
742 name : '__attribute__((returns_nonnull))')
743 pre_args += '-DHAVE_FUNC_ATTRIBUTE_RETURNS_NONNULL'
745 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
746 int foo_hid(void) __attribute__((visibility("hidden")));
747 int foo_int(void) __attribute__((visibility("internal")));
748 int foo_pro(void) __attribute__((visibility("protected")));''',
749 name : '__attribute__((visibility(...)))')
750 pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISIBILITY'
752 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
753 name : '__attribute__((alias(...)))')
754 pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
756 if cc.compiles('int foo(void) __attribute__((__noreturn__));',
757 name : '__attribute__((__noreturn__))')
758 pre_args += '-DHAVE_FUNC_ATTRIBUTE_NORETURN'
761 # TODO: this is very incomplete
762 if ['linux', 'cygwin'].contains(host_machine.system())
763 pre_args += '-D_GNU_SOURCE'
766 # Check for generic C arguments
768 foreach a : ['-Wall', '-Werror=implicit-function-declaration',
769 '-Werror=missing-prototypes', '-fno-math-errno',
770 '-fno-trapping-math', '-Qunused-arguments']
771 if cc.has_argument(a)
775 if cc.has_argument('-Wmissing-field-initializers')
776 c_args += '-Wno-missing-field-initializers'
780 if cc.has_argument('-fvisibility=hidden')
781 c_vis_args += '-fvisibility=hidden'
784 # Check for generic C++ arguments
786 foreach a : ['-Wall', '-fno-math-errno', '-fno-trapping-math',
787 '-Qunused-arguments']
788 if cpp.has_argument(a)
793 # For some reason, the test for -Wno-foo always succeeds with gcc, even if the
794 # option is not supported. Hence, check for -Wfoo instead.
796 foreach a : ['non-virtual-dtor', 'missing-field-initializers']
797 if cpp.has_argument('-W' + a)
798 cpp_args += '-Wno-' + a
802 no_override_init_args = []
803 foreach a : ['override-init', 'initializer-overrides']
804 if cc.has_argument('-W' + a)
805 no_override_init_args += '-Wno-' + a
810 if cpp.has_argument('-fvisibility=hidden')
811 cpp_vis_args += '-fvisibility=hidden'
814 # Check for C and C++ arguments for MSVC2013 compatibility. These are only used
815 # in parts of the mesa code base that need to compile with old versions of
816 # MSVC, mainly common code
817 c_msvc_compat_args = []
818 cpp_msvc_compat_args = []
819 foreach a : ['-Werror=pointer-arith', '-Werror=vla']
820 if cc.has_argument(a)
821 c_msvc_compat_args += a
823 if cpp.has_argument(a)
824 cpp_msvc_compat_args += a
828 if host_machine.cpu_family().startswith('x86')
829 pre_args += '-DUSE_SSE41'
831 sse41_args = ['-msse4.1']
833 # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
834 # that's not guaranteed
835 if host_machine.cpu_family() == 'x86'
836 sse41_args += '-mstackrealign'
843 # Check for GCC style atomics
844 dep_atomic = null_dep
846 if cc.compiles('''#include <stdint.h>
851 return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
852 (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
855 name : 'GCC atomic builtins')
856 pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
858 # Not all atomic calls can be turned into lock-free instructions, in which
859 # GCC will make calls into the libatomic library. Check whether we need to
860 # link with -latomic.
862 # This can happen for 64-bit atomic operations on 32-bit architectures such
864 if not cc.links('''#include <stdint.h>
869 return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
870 (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
872 name : 'GCC atomic builtins required -latomic')
873 dep_atomic = cc.find_library('atomic')
876 if not cc.links('''#include <stdint.h>
879 return __sync_add_and_fetch(&v, (uint64_t)1);
881 name : 'GCC 64bit atomics')
882 pre_args += '-DMISSING_64_BIT_ATOMICS'
885 # TODO: shared/static? Is this even worth doing?
887 # When cross compiling we generally need to turn off the use of assembly,
888 # because mesa's assembly relies on building an executable for the host system,
889 # and running it to get information about struct sizes. There is at least one
890 # case of cross compiling where we can use asm, and that's x86_64 -> x86 when
891 # host OS == build OS, since in that case the build machine can run the host's
893 if meson.is_cross_build()
894 if build_machine.system() != host_machine.system()
895 # TODO: It may be possible to do this with an exe_wrapper (like wine).
896 message('Cross compiling from one OS to another, disabling assembly.')
898 elif not (build_machine.cpu_family().startswith('x86') and host_machine.cpu_family() == 'x86')
899 # FIXME: Gentoo always sets -m32 for x86_64 -> x86 builds, resulting in an
900 # x86 -> x86 cross compile. We use startswith rather than == to handle this
902 # TODO: There may be other cases where the 64 bit version of the
903 # architecture can run 32 bit binaries (aarch64 and armv7 for example)
905 Cross compiling to different architectures, and the host cannot run
906 the build machine's binaries. Disabling assembly.
914 if host_machine.cpu_family() == 'x86'
915 if system_has_kms_drm
916 with_asm_arch = 'x86'
917 pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
920 if with_glx_read_only_text
921 pre_args += ['-DGLX_X86_READONLY_TEXT']
924 elif host_machine.cpu_family() == 'x86_64'
925 if system_has_kms_drm
926 with_asm_arch = 'x86_64'
927 pre_args += ['-DUSE_X86_64_ASM']
929 elif host_machine.cpu_family() == 'arm'
930 if system_has_kms_drm
931 with_asm_arch = 'arm'
932 pre_args += ['-DUSE_ARM_ASM']
934 elif host_machine.cpu_family() == 'aarch64'
935 if system_has_kms_drm
936 with_asm_arch = 'aarch64'
937 pre_args += ['-DUSE_AARCH64_ASM']
939 elif host_machine.cpu_family() == 'sparc64'
940 if system_has_kms_drm
941 with_asm_arch = 'sparc'
942 pre_args += ['-DUSE_SPARC_ASM']
944 elif host_machine.cpu_family() == 'ppc64le'
945 if system_has_kms_drm
946 with_asm_arch = 'ppc64le'
947 pre_args += ['-DUSE_PPC64LE_ASM']
952 # Check for standard headers and functions
953 if cc.has_header_symbol('sys/sysmacros.h', 'major')
954 pre_args += '-DMAJOR_IN_SYSMACROS'
955 elif cc.has_header_symbol('sys/mkdev.h', 'major')
956 pre_args += '-DMAJOR_IN_MKDEV'
959 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h', 'endian.h']
960 if cc.compiles('#include <@0@>'.format(h), name : '@0@'.format(h))
961 pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
965 foreach f : ['strtof', 'mkostemp', 'posix_memalign', 'timespec_get', 'memfd_create']
966 if cc.has_function(f)
967 pre_args += '-DHAVE_@0@'.format(f.to_upper())
971 # strtod locale support
976 #ifdef HAVE_XLOCALE_H
980 locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
981 const char *s = "1.0";
983 double d = strtod_l(s, end, loc);
984 float f = strtof_l(s, end, loc);
988 extra_args : pre_args,
989 name : 'strtod has locale support')
990 pre_args += '-DHAVE_STRTOD_L'
993 # Check for some linker flags
994 ld_args_bsymbolic = []
995 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
996 ld_args_bsymbolic += '-Wl,-Bsymbolic'
998 ld_args_gc_sections = []
999 if cc.links('static char unused() { return 5; } int main() { return 0; }',
1000 args : '-Wl,--gc-sections', name : 'gc-sections')
1001 ld_args_gc_sections += '-Wl,--gc-sections'
1003 with_ld_version_script = false
1004 if cc.links('int main() { return 0; }',
1005 args : '-Wl,--version-script=@0@'.format(
1006 join_paths(meson.source_root(), 'build-support/conftest.map')),
1007 name : 'version-script')
1008 with_ld_version_script = true
1010 with_ld_dynamic_list = false
1011 if cc.links('int main() { return 0; }',
1012 args : '-Wl,--dynamic-list=@0@'.format(
1013 join_paths(meson.source_root(), 'build-support/conftest.dyn')),
1014 name : 'dynamic-list')
1015 with_ld_dynamic_list = true
1017 ld_args_build_id = []
1018 if build_machine.system() != 'darwin'
1019 ld_args_build_id += '-Wl,--build-id=sha1'
1022 # check for dl support
1023 if cc.has_function('dlopen')
1026 dep_dl = cc.find_library('dl')
1028 if cc.has_function('dladdr', dependencies : dep_dl)
1029 # This is really only required for megadrivers
1030 pre_args += '-DHAVE_DLADDR'
1033 if cc.has_function('dl_iterate_phdr')
1034 pre_args += '-DHAVE_DL_ITERATE_PHDR'
1036 error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
1037 elif with_dri_i965 and get_option('shader-cache')
1038 error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
1041 # Determine whether or not the rt library is needed for time functions
1042 if cc.has_function('clock_gettime')
1043 dep_clock = null_dep
1045 dep_clock = cc.find_library('rt')
1048 # TODO: some of these may be conditional
1049 dep_zlib = dependency('zlib', version : '>= 1.2.3')
1050 pre_args += '-DHAVE_ZLIB'
1051 dep_thread = dependency('threads')
1052 if dep_thread.found() and host_machine.system() != 'windows'
1053 pre_args += '-DHAVE_PTHREAD'
1055 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600 or with_gallium_opencl
1056 dep_elf = dependency('libelf', required : false)
1057 if not dep_elf.found()
1058 dep_elf = cc.find_library('elf')
1063 dep_expat = dependency('expat')
1064 # this only exists on linux so either this is linux and it will be found, or
1065 # its not linux and and wont
1066 dep_m = cc.find_library('m', required : false)
1068 # Check for libdrm. various drivers have different libdrm version requirements,
1069 # but we always want to use the same version for all libdrm modules. That means
1070 # even if driver foo requires 2.4.0 and driver bar requires 2.4.3, if foo and
1071 # bar are both on use 2.4.3 for both of them
1072 dep_libdrm_amdgpu = null_dep
1073 dep_libdrm_radeon = null_dep
1074 dep_libdrm_nouveau = null_dep
1075 dep_libdrm_etnaviv = null_dep
1076 dep_libdrm_freedreno = null_dep
1077 dep_libdrm_intel = null_dep
1079 _drm_amdgpu_ver = '2.4.91'
1080 _drm_radeon_ver = '2.4.71'
1081 _drm_nouveau_ver = '2.4.66'
1082 _drm_etnaviv_ver = '2.4.89'
1083 _drm_freedreno_ver = '2.4.92'
1084 _drm_intel_ver = '2.4.75'
1088 ['intel', with_dri_i915 or with_gallium_i915],
1089 ['amdgpu', with_amd_vk or with_gallium_radeonsi],
1090 ['radeon', (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
1091 with_gallium_r300 or with_gallium_r600)],
1092 ['nouveau', (with_gallium_nouveau or with_dri_nouveau)],
1093 ['etnaviv', with_gallium_etnaviv],
1094 ['freedreno', with_gallium_freedreno],
1097 # VC4 only needs core libdrm support of this version, not a libdrm_vc4
1103 # Loop over the enables versions and get the highest libdrm requirement for all
1105 foreach d : _libdrm_checks
1106 ver = get_variable('_drm_@0@_ver'.format(d[0]))
1107 if d[1] and ver.version_compare('>' + _drm_ver)
1112 # Then get each libdrm module
1113 foreach d : _libdrm_checks
1116 'dep_libdrm_' + d[0],
1117 dependency('libdrm_' + d[0], version : '>=' + _drm_ver)
1122 with_gallium_drisw_kms = false
1123 dep_libdrm = dependency(
1124 'libdrm', version : '>=' + _drm_ver,
1125 required : with_dri2 or with_dri3
1127 if dep_libdrm.found()
1128 pre_args += '-DHAVE_LIBDRM'
1129 if with_dri_platform == 'drm' and with_dri
1130 with_gallium_drisw_kms = true
1134 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
1135 llvm_optional_modules = []
1136 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
1137 llvm_modules += ['amdgpu', 'bitreader', 'ipo']
1138 if with_gallium_r600
1139 llvm_modules += 'asmparser'
1142 if with_gallium_opencl
1144 'all-targets', 'linker', 'coverage', 'instrumentation', 'ipo', 'irreader',
1145 'lto', 'option', 'objcarcopts', 'profiledata',
1147 llvm_optional_modules += ['coroutines', 'opencl']
1150 if with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1151 _llvm_version = '>= 5.0.0'
1152 elif with_gallium_opencl or with_gallium_r600
1153 _llvm_version = '>= 3.9.0'
1155 _llvm_version = '>= 3.3.0'
1158 _llvm = get_option('llvm')
1160 dep_llvm = dependency(
1162 version : _llvm_version,
1163 modules : llvm_modules,
1164 optional_modules : llvm_optional_modules,
1165 required : with_amd_vk or with_gallium_radeonsi or with_gallium_swr or with_gallium_opencl,
1167 with_llvm = dep_llvm.found()
1168 elif _llvm == 'true'
1169 dep_llvm = dependency(
1171 version : _llvm_version,
1172 modules : llvm_modules,
1173 optional_modules : llvm_optional_modules,
1181 _llvm_version = dep_llvm.version().split('.')
1182 # Development versions of LLVM have an 'svn' or 'git' suffix, we don't want
1183 # that for our version checks.
1184 # svn suffixes are stripped by meson as of 0.43, and git suffixes are
1185 # strippped as of 0.44, but we support older meson versions.
1187 # 3 digits versions in LLVM only started from 3.4.1 on
1188 if dep_llvm.version().version_compare('>= 3.4.1')
1189 _llvm_patch = _llvm_version[2]
1194 if _llvm_patch.endswith('svn')
1195 _llvm_patch = _llvm_patch.split('s')[0]
1196 elif _llvm_patch.contains('git')
1197 _llvm_patch = _llvm_patch.split('g')[0]
1200 '-DHAVE_LLVM=0x0@0@0@1@'.format(_llvm_version[0], _llvm_version[1]),
1201 '-DMESA_LLVM_VERSION_PATCH=@0@'.format(_llvm_patch),
1204 # LLVM can be built without rtti, turning off rtti changes the ABI of C++
1205 # programs, so we need to build all C++ code in mesa without rtti as well to
1206 # ensure that linking works.
1207 if dep_llvm.get_configtool_variable('has-rtti') == 'NO'
1208 cpp_args += '-fno-rtti'
1210 elif with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1211 error('The following drivers require LLVM: Radv, RadeonSI, SWR. One of these is enabled, but LLVM is disabled.')
1214 dep_glvnd = null_dep
1216 dep_glvnd = dependency('libglvnd', version : '>= 0.2.0')
1217 pre_args += '-DUSE_LIBGLVND=1'
1220 if with_valgrind != 'false'
1221 dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
1222 if dep_valgrind.found()
1223 pre_args += '-DHAVE_VALGRIND'
1226 dep_valgrind = null_dep
1229 # pthread stubs. Lets not and say we didn't
1231 prog_bison = find_program('bison', required : with_any_opengl)
1232 prog_flex = find_program('flex', required : with_any_opengl)
1234 dep_selinux = null_dep
1235 if get_option('selinux')
1236 dep_selinux = dependency('libselinux')
1237 pre_args += '-DMESA_SELINUX'
1240 if with_libunwind != 'false'
1241 dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
1242 if dep_unwind.found()
1243 pre_args += '-DHAVE_LIBUNWIND'
1246 dep_unwind = null_dep
1249 if with_osmesa != 'none'
1250 if with_osmesa == 'classic' and not with_dri_swrast
1251 error('OSMesa classic requires dri (classic) swrast.')
1253 if with_osmesa == 'gallium' and not with_gallium_softpipe
1254 error('OSMesa gallium requires gallium softpipe or llvmpipe.')
1256 osmesa_lib_name = 'OSMesa'
1257 osmesa_bits = get_option('osmesa-bits')
1258 if osmesa_bits != '8'
1259 if with_dri or with_glx != 'disabled'
1260 error('OSMesa bits must be 8 if building glx or dir based drivers')
1262 osmesa_lib_name = osmesa_lib_name + osmesa_bits
1264 '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
1269 # TODO: symbol mangling
1271 if with_platform_wayland
1272 prog_wl_scanner = find_program('wayland-scanner')
1273 dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
1274 dep_wayland_client = dependency('wayland-client', version : '>=1.11')
1275 dep_wayland_server = dependency('wayland-server', version : '>=1.11')
1277 dep_wayland_egl = dependency('wayland-egl-backend', version : '>= 3')
1278 dep_wayland_egl_headers = declare_dependency(
1279 compile_args : run_command(prog_pkgconfig, ['wayland-egl-backend', '--cflags']).stdout().split())
1281 wayland_dmabuf_xml = join_paths(
1282 dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
1283 'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
1285 pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
1287 prog_wl_scanner = []
1288 dep_wl_protocols = null_dep
1289 dep_wayland_client = null_dep
1290 dep_wayland_server = null_dep
1291 wayland_dmabuf_xml = ''
1296 dep_xdamage = null_dep
1297 dep_xfixes = null_dep
1298 dep_x11_xcb = null_dep
1300 dep_xcb_glx = null_dep
1301 dep_xcb_dri2 = null_dep
1302 dep_xcb_dri3 = null_dep
1303 dep_dri2proto = null_dep
1304 dep_glproto = null_dep
1305 dep_xxf86vm = null_dep
1306 dep_xcb_dri3 = null_dep
1307 dep_xcb_present = null_dep
1308 dep_xcb_sync = null_dep
1309 dep_xcb_xfixes = null_dep
1310 dep_xshmfence = null_dep
1311 dep_xcb_xrandr = null_dep
1312 dep_xlib_xrandr = null_dep
1313 if with_platform_x11
1314 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1315 dep_x11 = dependency('x11')
1316 dep_xext = dependency('xext')
1317 dep_xcb = dependency('xcb')
1318 elif with_glx == 'dri'
1319 dep_x11 = dependency('x11')
1320 dep_xext = dependency('xext')
1321 dep_xdamage = dependency('xdamage', version : '>= 1.1')
1322 dep_xfixes = dependency('xfixes')
1323 dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
1324 dep_xxf86vm = dependency('xxf86vm', required : false)
1326 if (with_any_vk or with_glx == 'dri' or
1327 (with_gallium_vdpau or with_gallium_xvmc or with_gallium_va or
1328 with_gallium_omx != 'disabled'))
1329 dep_xcb = dependency('xcb')
1330 dep_x11_xcb = dependency('x11-xcb')
1332 if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
1333 dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
1336 pre_args += '-DHAVE_DRI3'
1337 dep_xcb_dri3 = dependency('xcb-dri3')
1338 dep_xcb_present = dependency('xcb-present')
1339 # until xcb-dri3 has been around long enough to make a hard-dependency:
1340 if (dep_xcb_dri3.version().version_compare('>= 1.13') and
1341 dep_xcb_present.version().version_compare('>= 1.13'))
1342 pre_args += '-DHAVE_DRI3_MODIFIERS'
1344 dep_xcb_sync = dependency('xcb-sync')
1345 dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
1348 if with_glx == 'dri'
1349 if with_dri_platform == 'drm'
1350 dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
1352 dep_glproto = dependency('glproto', version : '>= 1.4.14')
1355 with_gallium_vdpau or with_gallium_xvmc or with_gallium_xa or
1356 with_gallium_omx != 'disabled'))
1357 dep_xcb_xfixes = dependency('xcb-xfixes')
1360 dep_xcb_xrandr = dependency('xcb-randr', version : '>= 1.12')
1361 dep_xlib_xrandr = dependency('xrandr', version : '>= 1.3')
1365 if get_option('gallium-extra-hud')
1366 pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
1369 _sensors = get_option('lmsensors')
1370 if _sensors != 'false'
1371 dep_lmsensors = cc.find_library('libsensors', required : _sensors == 'true')
1372 if dep_lmsensors.found()
1373 pre_args += '-DHAVE_LIBSENSORS=1'
1376 dep_lmsensors = null_dep
1379 foreach a : pre_args
1380 add_project_arguments(a, language : ['c', 'cpp'])
1383 add_project_arguments(a, language : ['c'])
1385 foreach a : cpp_args
1386 add_project_arguments(a, language : ['cpp'])
1389 inc_include = include_directories('include')
1393 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1394 gl_priv_reqs += ['x11', 'xext', 'xcb']
1395 elif with_glx == 'dri'
1397 'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
1399 if with_dri_platform == 'drm'
1400 gl_priv_reqs += 'xcb-dri2 >= 1.8'
1403 if dep_libdrm.found()
1404 gl_priv_reqs += 'libdrm >= 2.4.75'
1406 if dep_xxf86vm.found()
1407 gl_priv_reqs += 'xxf86vm'
1411 if dep_thread.found()
1412 gl_priv_libs += ['-lpthread', '-pthread']
1415 gl_priv_libs += '-lm'
1418 gl_priv_libs += '-ldl'
1421 pkg = import('pkgconfig')
1423 env_test = environment()
1424 env_test.set('NM', find_program('nm').path())