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 : '>= 0.42',
29 default_options : ['buildtype=debugoptimized', 'c_std=c99', 'cpp_std=c++11']
32 system_has_kms_drm = ['openbsd', 'netbsd', 'freebsd', 'dragonfly', 'linux'].contains(host_machine.system())
34 # Arguments for the preprocessor, put these in a separate array from the C and
35 # C++ (cpp in meson terminology) arguments since they need to be added to the
36 # default arguments for both C and C++.
38 '-D__STDC_CONSTANT_MACROS',
39 '-D__STDC_FORMAT_MACROS',
40 '-D__STDC_LIMIT_MACROS',
41 '-DVERSION="@0@"'.format(meson.project_version()),
42 '-DPACKAGE_VERSION=VERSION',
43 '-DPACKAGE_BUGREPORT="https://bugs.freedesktop.org/enter_bug.cgi?product=Mesa"',
46 with_vulkan_icd_dir = get_option('vulkan-icd-dir')
47 with_tests = get_option('build-tests')
48 with_valgrind = get_option('valgrind')
49 with_libunwind = get_option('libunwind')
50 with_asm = get_option('asm')
51 with_osmesa = get_option('osmesa')
52 with_swr_arches = get_option('swr-arches').split(',')
53 with_tools = get_option('tools').split(',')
54 if with_tools.contains('all')
55 with_tools = ['freedreno', 'glsl', 'intel', 'nir', 'nouveau']
57 if get_option('texture-float')
58 pre_args += '-DTEXTURE_FLOAT_ENABLED'
59 message('WARNING: Floating-point texture enabled. Please consult docs/patents.txt and your lawyer before building mesa.')
62 dri_drivers_path = get_option('dri-drivers-path')
63 if dri_drivers_path == ''
64 dri_drivers_path = join_paths(get_option('libdir'), 'dri')
66 dri_search_path = get_option('dri-search-path')
67 if dri_search_path == ''
68 dri_search_path = join_paths(get_option('prefix'), dri_drivers_path)
71 with_gles1 = get_option('gles1')
72 with_gles2 = get_option('gles2')
73 with_opengl = get_option('opengl')
74 with_any_opengl = with_opengl or with_gles1 or with_gles2
75 # Only build shared_glapi if at least one OpenGL API is enabled
76 with_shared_glapi = get_option('shared-glapi') and with_any_opengl
79 # shared-glapi is required if at least two OpenGL APIs are being built
80 if not with_shared_glapi
81 if ((with_gles1 and with_gles2) or (with_gles1 and with_opengl)
82 or (with_gles2 and with_opengl))
83 error('shared-glapi required for building two or more of OpenGL, OpenGL ES 1.x, OpenGL ES 2.x')
87 # We require OpenGL for OpenGL ES
88 if (with_gles1 or with_gles2) and not with_opengl
89 error('building OpenGL ES without OpenGL is not supported.')
92 system_has_kms_drm = ['openbsd', 'netbsd', 'freebsd', 'dragonfly', 'linux'].contains(host_machine.system())
99 with_dri_nouveau = false
100 with_dri_swrast = false
101 _drivers = get_option('dri-drivers')
102 if _drivers == 'auto'
103 if system_has_kms_drm
105 if ['x86', 'x86_64'].contains(host_machine.cpu_family())
106 _drivers = 'i915,i965,r100,r200,nouveau'
107 elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
110 error('Unknown architecture. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.')
112 elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
113 # only swrast would make sense here, but gallium swrast is a much better default
116 error('Unknown OS. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.')
120 _split = _drivers.split(',')
121 with_dri_i915 = _split.contains('i915')
122 with_dri_i965 = _split.contains('i965')
123 with_dri_r100 = _split.contains('r100')
124 with_dri_r200 = _split.contains('r200')
125 with_dri_nouveau = _split.contains('nouveau')
126 with_dri_swrast = _split.contains('swrast')
131 with_gallium_pl111 = false
132 with_gallium_radeonsi = false
133 with_gallium_r300 = false
134 with_gallium_r600 = false
135 with_gallium_nouveau = false
136 with_gallium_freedreno = false
137 with_gallium_softpipe = false
138 with_gallium_vc4 = false
139 with_gallium_vc5 = false
140 with_gallium_etnaviv = false
141 with_gallium_imx = false
142 with_gallium_tegra = false
143 with_gallium_i915 = false
144 with_gallium_svga = false
145 with_gallium_virgl = false
146 with_gallium_swr = false
147 _drivers = get_option('gallium-drivers')
148 if _drivers == 'auto'
149 if system_has_kms_drm
151 if ['x86', 'x86_64'].contains(host_machine.cpu_family())
152 _drivers = 'r300,r600,radeonsi,nouveau,virgl,svga,swrast'
153 elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
154 _drivers = 'pl111,vc4,vc5,freedreno,etnaviv,imx,nouveau,tegra,virgl,swrast'
156 error('Unknown architecture. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.')
158 elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
161 error('Unknown OS. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.')
165 _split = _drivers.split(',')
166 with_gallium_pl111 = _split.contains('pl111')
167 with_gallium_radeonsi = _split.contains('radeonsi')
168 with_gallium_r300 = _split.contains('r300')
169 with_gallium_r600 = _split.contains('r600')
170 with_gallium_nouveau = _split.contains('nouveau')
171 with_gallium_freedreno = _split.contains('freedreno')
172 with_gallium_softpipe = _split.contains('swrast')
173 with_gallium_vc4 = _split.contains('vc4')
174 with_gallium_vc5 = _split.contains('vc5')
175 with_gallium_etnaviv = _split.contains('etnaviv')
176 with_gallium_imx = _split.contains('imx')
177 with_gallium_tegra = _split.contains('tegra')
178 with_gallium_i915 = _split.contains('i915')
179 with_gallium_svga = _split.contains('svga')
180 with_gallium_virgl = _split.contains('virgl')
181 with_gallium_swr = _split.contains('swr')
183 if system_has_kms_drm
184 _glx = get_option('glx')
185 _egl = get_option('egl')
186 if _glx == 'dri' or _egl == 'true' or (_glx == 'disabled' and _egl != 'false')
192 with_intel_vk = false
195 _vulkan_drivers = get_option('vulkan-drivers')
196 if _vulkan_drivers == 'auto'
197 if system_has_kms_drm
198 if host_machine.cpu_family().startswith('x86')
199 _vulkan_drivers = 'amd,intel'
201 error('Unknown architecture. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.')
203 elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
204 # No vulkan driver supports windows or macOS currently
207 error('Unknown OS. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.')
210 if _vulkan_drivers != ''
211 _split = _vulkan_drivers.split(',')
212 with_intel_vk = _split.contains('intel')
213 with_amd_vk = _split.contains('amd')
214 with_any_vk = with_amd_vk or with_intel_vk
217 if with_dri_swrast and (with_gallium_softpipe or with_gallium_swr)
218 error('Only one swrast provider can be built')
220 if with_dri_i915 and with_gallium_i915
221 error('Only one i915 provider can be built')
223 if with_gallium_imx and not with_gallium_etnaviv
224 error('IMX driver requires etnaviv driver')
226 if with_gallium_pl111 and not with_gallium_vc4
227 error('pl111 driver requires vc4 driver')
229 if with_gallium_tegra and not with_gallium_nouveau
230 error('tegra driver requires nouveau driver')
233 dep_libdrm_intel = []
234 if with_dri_i915 or with_gallium_i915
235 dep_libdrm_intel = dependency('libdrm_intel', version : '>= 2.4.75')
238 if host_machine.system() == 'darwin'
239 with_dri_platform = 'apple'
240 elif ['windows', 'cygwin'].contains(host_machine.system())
241 with_dri_platform = 'windows'
242 elif system_has_kms_drm
243 with_dri_platform = 'drm'
245 # FIXME: haiku doesn't use dri, and xlib doesn't use dri, probably should
246 # assert here that one of those cases has been met.
247 # FIXME: GNU (hurd) ends up here as well, but meson doesn't officially
248 # support Hurd at time of writing (2017/11)
249 # FIXME: illumos ends up here as well
250 with_dri_platform = 'none'
253 with_platform_android = false
254 with_platform_wayland = false
255 with_platform_x11 = false
256 with_platform_drm = false
257 with_platform_surfaceless = false
258 egl_native_platform = ''
259 _platforms = get_option('platforms')
260 if _platforms == 'auto'
261 if system_has_kms_drm
262 _platforms = 'x11,wayland,drm,surfaceless'
263 elif ['darwin', 'windows', 'cygwin'].contains(host_machine.system())
264 _platforms = 'x11,surfaceless'
265 elif ['haiku'].contains(host_machine.system())
268 error('Unknown OS. Please pass -Dplatforms to set platforms. Patches gladly accepted to fix this.')
272 _split = _platforms.split(',')
273 with_platform_android = _split.contains('android')
274 with_platform_x11 = _split.contains('x11')
275 with_platform_wayland = _split.contains('wayland')
276 with_platform_drm = _split.contains('drm')
277 with_platform_haiku = _split.contains('haiku')
278 with_platform_surfaceless = _split.contains('surfaceless')
279 egl_native_platform = _split[0]
282 with_glx = get_option('glx')
283 if with_glx == 'auto'
286 elif with_platform_haiku
287 with_glx = 'disabled'
289 # Even when building just gallium drivers the user probably wants dri
292 elif with_platform_x11 and with_any_opengl and not with_any_vk
293 # The automatic behavior should not be to turn on xlib based glx when
294 # building only vulkan drivers
297 with_glx = 'disabled'
301 if not (with_dri or with_gallium or with_glx == 'xlib' or with_glx == 'gallium-xlib')
305 with_any_opengl = false
306 with_shared_glapi = false
309 _gbm = get_option('gbm')
311 with_gbm = system_has_kms_drm and with_dri
313 with_gbm = _gbm == 'true'
315 if with_gbm and not system_has_kms_drm
316 error('GBM only supports DRM/KMS platforms')
319 _egl = get_option('egl')
321 with_egl = with_dri and with_shared_glapi and egl_native_platform != ''
324 error('EGL requires dri')
325 elif not with_shared_glapi
326 error('EGL requires shared-glapi')
327 elif egl_native_platform == ''
328 error('No platforms specified, consider -Dplatforms=drm,x11 at least')
329 elif not ['disabled', 'dri'].contains(with_glx)
330 error('EGL requires dri, but a GLX is being built without dri')
337 if with_egl and not (with_platform_drm or with_platform_surfaceless)
338 if with_gallium_radeonsi
339 error('RadeonSI requires drm or surfaceless platform when using EGL')
341 if with_gallium_virgl
342 error('Virgl requires drm or surfaceless platform when using EGL')
346 pre_args += '-DGLX_USE_TLS'
347 if with_glx != 'disabled'
348 if not (with_platform_x11 and with_any_opengl)
349 if with_glx == 'auto'
350 with_glx = 'disabled'
352 error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
354 elif with_glx == 'gallium-xlib'
356 error('Gallium-xlib based GLX requires at least one gallium driver')
357 elif not with_gallium_softpipe
358 error('Gallium-xlib based GLX requires softpipe or llvmpipe.')
360 error('gallium-xlib conflicts with any dri driver')
362 elif with_glx == 'xlib'
364 error('xlib conflicts with any dri driver')
366 elif with_glx == 'dri' and not with_dri
367 error('dri based GLX requires at least one DRI driver')
371 with_glvnd = get_option('glvnd')
373 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
374 error('Cannot build glvnd support for GLX that is not DRI based.')
375 elif with_glx == 'disabled' and not with_egl
376 error('glvnd requires DRI based GLX and/or EGL')
380 # TODO: toggle for this
381 with_glx_direct = true
383 if with_vulkan_icd_dir == ''
384 with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
387 with_dri2 = (with_dri or with_any_vk) and with_dri_platform == 'drm'
388 _dri3 = get_option('dri3')
390 with_dri3 = system_has_kms_drm and with_dri2
392 with_dri3 = _dri3 == 'true'
395 if with_any_vk and (with_platform_x11 and not with_dri3)
396 error('Vulkan drivers require dri3 for X11 support')
398 if with_dri or with_gallium
399 if with_glx == 'disabled' and not with_egl and not with_platform_haiku
400 error('building dri or gallium drivers require at least one window system')
404 prog_pkgconfig = find_program('pkg-config')
406 _vdpau = get_option('gallium-vdpau')
407 if not system_has_kms_drm
409 error('VDPAU state tracker can only be build on unix-like OSes.')
413 elif not with_platform_x11
415 error('VDPAU state tracker requires X11 support.')
419 elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
420 with_gallium_nouveau)
422 error('VDPAU state tracker requires at least one of the following gallium drivers: r300, r600, radeonsi, nouveau.')
426 elif _vdpau == 'auto'
429 with_gallium_vdpau = _vdpau == 'true'
431 if with_gallium_vdpau
432 dep_vdpau = dependency('vdpau', version : '>= 1.1')
433 dep_vdpau = declare_dependency(
434 compile_args : run_command(prog_pkgconfig, ['vdpau', '--cflags']).stdout().split()
438 if with_gallium_vdpau
439 pre_args += '-DHAVE_ST_VDPAU'
441 vdpau_drivers_path = get_option('vdpau-libs-path')
442 if vdpau_drivers_path == ''
443 vdpau_drivers_path = join_paths(get_option('libdir'), 'vdpau')
446 _xvmc = get_option('gallium-xvmc')
447 if not system_has_kms_drm
449 error('XVMC state tracker can only be build on unix-like OSes.')
453 elif not with_platform_x11
455 error('XVMC state tracker requires X11 support.')
459 elif not (with_gallium_r600 or with_gallium_nouveau)
461 error('XVMC state tracker requires at least one of the following gallium drivers: r600, nouveau.')
468 with_gallium_xvmc = _xvmc == 'true'
471 dep_xvmc = dependency('xvmc', version : '>= 1.0.6')
474 xvmc_drivers_path = get_option('xvmc-libs-path')
475 if xvmc_drivers_path == ''
476 xvmc_drivers_path = get_option('libdir')
479 _omx = get_option('gallium-omx')
480 if not system_has_kms_drm
481 if ['auto', 'disabled'].contains(_omx)
484 error('OMX state tracker can only be built on unix-like OSes.')
486 elif not (with_platform_x11 or with_platform_drm)
487 if ['auto', 'disabled'].contains(_omx)
490 error('OMX state tracker requires X11 or drm platform support.')
492 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
493 if ['auto', 'disabled'].contains(_omx)
496 error('OMX state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
499 with_gallium_omx = _omx
502 if with_gallium_omx == 'bellagio' or with_gallium_omx == 'auto'
503 dep_omx = dependency(
504 'libomxil-bellagio', required : with_gallium_omx == 'bellagio'
507 pre_args += '-DENABLE_ST_OMX_BELLAGIO'
508 with_gallium_omx = 'bellagio'
511 if with_gallium_omx == 'tizonia' or with_gallium_omx == 'auto'
512 if not (with_dri and with_egl)
513 if with_gallium_omx == 'tizonia'
514 error('OMX-Tizonia state tracker requires dri and egl')
516 with_gallium_omx == 'disabled'
519 dep_omx = dependency(
520 'libtizonia', version : '>= 0.10.0',
521 required : with_gallium_omx == 'tizonia',
524 dependency('libtizplatform', required : with_gallium_omx == 'tizonia'),
525 dependency('tizilheaders', required : with_gallium_omx == 'tizonia'),
527 if dep_omx.found() and dep_omx_other[0].found() and dep_omx_other[1].found()
528 pre_args += '-DENABLE_ST_OMX_TIZONIA'
529 with_gallium_omx = 'tizonia'
531 with_gallium_omx = 'disabled'
536 omx_drivers_path = get_option('omx-libs-path')
537 if with_gallium_omx != 'disabled'
538 # Figure out where to put the omx driver.
539 # FIXME: this could all be vastly simplified by adding a 'defined_variable'
540 # argument to meson's get_pkgconfig_variable method.
541 if omx_drivers_path == ''
542 _omx_libdir = dep_omx.get_pkgconfig_variable('libdir')
543 _omx_drivers_dir = dep_omx.get_pkgconfig_variable('pluginsdir')
544 if _omx_libdir == get_option('libdir')
545 omx_drivers_path = _omx_drivers_dir
548 # This will fail on windows. Does OMX run on windows?
549 _omx_libdir = _omx_libdir.split('/')
550 _omx_drivers_dir = _omx_drivers_dir.split('/')
551 foreach o : _omx_drivers_dir
552 if not _omx_libdir.contains(o)
556 omx_drivers_path = join_paths(get_option('libdir'), _omx_base_dir)
561 _va = get_option('gallium-va')
562 if not system_has_kms_drm
564 error('VA state tracker can only be built on unix-like OSes.')
568 elif not (with_platform_x11 or with_platform_drm)
570 error('VA state tracker requires X11 or drm or wayland platform support.')
574 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
576 error('VA state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
583 with_gallium_va = _va == 'true'
586 dep_va = dependency('libva', version : '>= 0.38.0')
587 dep_va_headers = declare_dependency(
588 compile_args : run_command(prog_pkgconfig, ['libva', '--cflags']).stdout().split()
592 va_drivers_path = get_option('va-libs-path')
593 if va_drivers_path == ''
594 va_drivers_path = join_paths(get_option('libdir'), 'dri')
597 _xa = get_option('gallium-xa')
598 if not system_has_kms_drm
600 error('XA state tracker can only be built on unix-like OSes.')
604 elif not (with_gallium_nouveau or with_gallium_freedreno or with_gallium_i915
605 or with_gallium_svga)
607 error('XA state tracker requires at least one of the following gallium drivers: nouveau, freedreno, i915, svga.')
612 with_gallium_xa = _xa != 'false'
614 d3d_drivers_path = get_option('d3d-drivers-path')
615 if d3d_drivers_path == ''
616 d3d_drivers_path = join_paths(get_option('libdir'), 'd3d')
619 with_gallium_st_nine = get_option('gallium-nine')
620 if with_gallium_st_nine
621 if not with_gallium_softpipe
622 error('The nine state tracker requires gallium softpipe/llvmpipe.')
623 elif not (with_gallium_radeonsi or with_gallium_nouveau or with_gallium_r600
624 or with_gallium_r300 or with_gallium_svga or with_gallium_i915)
625 error('The nine state tracker requires at least on non-swrast gallium driver.')
628 error('Using nine with wine requires dri3')
632 _opencl = get_option('gallium-opencl')
633 if _opencl != 'disabled'
635 error('OpenCL Clover implementation requires at least one gallium driver.')
639 dep_clc = dependency('libclc')
640 with_gallium_opencl = true
641 with_opencl_icd = _opencl == 'icd'
644 with_gallium_opencl = false
645 with_gallium_icd = false
648 gl_pkgconfig_c_flags = []
650 if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
651 pre_args += '-DHAVE_X11_PLATFORM'
653 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
654 pre_args += '-DUSE_XSHM'
656 pre_args += '-DGLX_INDIRECT_RENDERING'
658 pre_args += '-DGLX_DIRECT_RENDERING'
660 if with_dri_platform == 'drm'
661 pre_args += '-DGLX_USE_DRM'
662 elif with_dri_platform == 'apple'
663 pre_args += '-DGLX_USE_APPLEGL'
664 elif with_dri_platform == 'windows'
665 pre_args += '-DGLX_USE_WINDOWSGL'
669 pre_args += '-DMESA_EGL_NO_X11_HEADERS'
670 gl_pkgconfig_c_flags += '-DMESA_EGL_NO_X11_HEADERS'
673 if with_egl and not with_gbm
674 error('EGL drm platform requires gbm')
676 pre_args += '-DHAVE_DRM_PLATFORM'
678 if with_platform_surfaceless
679 pre_args += '-DHAVE_SURFACELESS_PLATFORM'
681 if with_platform_android
683 dependency('cutils'),
684 dependency('hardware'),
687 pre_args += '-DHAVE_ANDROID_PLATFORM'
689 if with_platform_haiku
690 pre_args += '-DHAVE_HAIKU_PLATFORM'
693 prog_python2 = find_program('python2')
694 has_mako = run_command(prog_python2, '-c', 'import mako')
695 if has_mako.returncode() != 0
696 error('Python (2.x) mako module required to build mesa.')
699 cc = meson.get_compiler('c')
700 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
701 error('When using GCC, version 4.4.6 or later is required.')
704 # Define DEBUG for debug builds only (debugoptimized is not included on this one)
705 if get_option('buildtype') == 'debug'
706 pre_args += '-DDEBUG'
709 if get_option('shader-cache')
710 pre_args += '-DENABLE_SHADER_CACHE'
712 error('Radv requires shader cache support')
715 # Check for GCC style builtins
716 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
717 'ffsll', 'popcount', 'popcountll', 'unreachable']
718 if cc.has_function(b)
719 pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
723 # check for GCC __attribute__
724 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
725 'warn_unused_result', 'weak',]
726 if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
727 name : '__attribute__((@0@))'.format(a))
728 pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
731 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
732 name : '__attribute__((format(...)))')
733 pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
735 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
736 name : '__attribute__((packed))')
737 pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
739 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
740 name : '__attribute__((returns_nonnull))')
741 pre_args += '-DHAVE_FUNC_ATTRIBUTE_RETURNS_NONNULL'
743 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
744 int foo_hid(void) __attribute__((visibility("hidden")));
745 int foo_int(void) __attribute__((visibility("internal")));
746 int foo_pro(void) __attribute__((visibility("protected")));''',
747 name : '__attribute__((visibility(...)))')
748 pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISIBILITY'
750 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
751 name : '__attribute__((alias(...)))')
752 pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
754 if cc.compiles('int foo(void) __attribute__((__noreturn__));',
755 name : '__attribute__((__noreturn__))')
756 pre_args += '-DHAVE_FUNC_ATTRIBUTE_NORETURN'
759 # TODO: this is very incomplete
760 if ['linux', 'cygwin'].contains(host_machine.system())
761 pre_args += '-D_GNU_SOURCE'
764 # Check for generic C arguments
766 foreach a : ['-Wall', '-Werror=implicit-function-declaration',
767 '-Werror=missing-prototypes', '-fno-math-errno',
768 '-fno-trapping-math', '-Qunused-arguments']
769 if cc.has_argument(a)
774 if cc.has_argument('-fvisibility=hidden')
775 c_vis_args += '-fvisibility=hidden'
778 # Check for generic C++ arguments
779 cpp = meson.get_compiler('cpp')
781 foreach a : ['-Wall', '-fno-math-errno', '-fno-trapping-math',
782 '-Qunused-arguments']
783 if cpp.has_argument(a)
788 # For some reason, the test for -Wno-foo always succeeds with gcc, even if the
789 # option is not supported. Hence, check for -Wfoo instead.
790 if cpp.has_argument('-Wnon-virtual-dtor')
791 cpp_args += '-Wno-non-virtual-dtor'
794 no_override_init_args = []
795 foreach a : ['override-init', 'initializer-overrides']
796 if cc.has_argument('-W' + a)
797 no_override_init_args += '-Wno-' + a
802 if cpp.has_argument('-fvisibility=hidden')
803 cpp_vis_args += '-fvisibility=hidden'
806 # Check for C and C++ arguments for MSVC2013 compatibility. These are only used
807 # in parts of the mesa code base that need to compile with old versions of
808 # MSVC, mainly common code
809 c_msvc_compat_args = []
810 cpp_msvc_compat_args = []
811 foreach a : ['-Werror=pointer-arith', '-Werror=vla']
812 if cc.has_argument(a)
813 c_msvc_compat_args += a
815 if cpp.has_argument(a)
816 cpp_msvc_compat_args += a
820 if host_machine.cpu_family().startswith('x86')
821 pre_args += '-DUSE_SSE41'
823 sse41_args = ['-msse4.1']
825 # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
826 # that's not guaranteed
827 if host_machine.cpu_family() == 'x86'
828 sse41_args += '-mstackrealign'
835 # Check for GCC style atomics
836 dep_atomic = declare_dependency()
838 if cc.compiles('int main() { int n; return __atomic_load_n(&n, __ATOMIC_ACQUIRE); }',
839 name : 'GCC atomic builtins')
840 pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
842 # Not all atomic calls can be turned into lock-free instructions, in which
843 # GCC will make calls into the libatomic library. Check whether we need to
844 # link with -latomic.
846 # This can happen for 64-bit atomic operations on 32-bit architectures such
848 if not cc.links('''#include <stdint.h>
851 return (int)__atomic_load_n(&n, __ATOMIC_ACQUIRE);
853 name : 'GCC atomic builtins required -latomic')
854 dep_atomic = cc.find_library('atomic')
857 if not cc.links('''#include <stdint.h>
860 return __sync_add_and_fetch(&v, (uint64_t)1);
862 name : 'GCC 64bit atomics')
863 pre_args += '-DMISSING_64_BIT_ATOMICS'
868 # TODO: shared/static? Is this even worth doing?
870 # Building x86 assembly code requires running x86 binaries. It is possible for
871 # x86_64 OSes to run x86 binaries, so don't disable asm in those cases
872 # TODO: it should be possible to use an exe_wrapper to run the binary during
874 if meson.is_cross_build()
875 if not (build_machine.cpu_family() == 'x86_64' and host_machine.cpu_family() == 'x86'
876 and build_machine.system() == host_machine.system())
877 message('Cross compiling to x86 from non-x86, disabling asm')
884 # TODO: SPARC and PPC
885 if host_machine.cpu_family() == 'x86'
886 if system_has_kms_drm
887 with_asm_arch = 'x86'
888 pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
891 elif host_machine.cpu_family() == 'x86_64'
892 if system_has_kms_drm
893 with_asm_arch = 'x86_64'
894 pre_args += ['-DUSE_X86_64_ASM']
896 elif host_machine.cpu_family() == 'arm'
897 if system_has_kms_drm
898 with_asm_arch = 'arm'
899 pre_args += ['-DUSE_ARM_ASM']
901 elif host_machine.cpu_family() == 'aarch64'
902 if system_has_kms_drm
903 with_asm_arch = 'aarch64'
904 pre_args += ['-DUSE_AARCH64_ASM']
909 # Check for standard headers and functions
910 if cc.has_header_symbol('sys/sysmacros.h', 'major')
911 pre_args += '-DMAJOR_IN_SYSMACROS'
912 elif cc.has_header_symbol('sys/mkdev.h', 'major')
913 pre_args += '-DMAJOR_IN_MKDEV'
916 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h']
917 if cc.compiles('#include <@0@>'.format(h), name : '@0@ works'.format(h))
918 pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
922 foreach f : ['strtof', 'mkostemp', 'posix_memalign', 'timespec_get', 'memfd_create']
923 if cc.has_function(f)
924 pre_args += '-DHAVE_@0@'.format(f.to_upper())
928 # strtod locale support
933 #ifdef HAVE_XLOCALE_H
937 locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
938 const char *s = "1.0";
940 double d = strtod_l(s, end, loc);
941 float f = strtof_l(s, end, loc);
945 extra_args : pre_args,
946 name : 'strtod has locale support')
947 pre_args += '-DHAVE_STRTOD_L'
950 # Check for some linker flags
951 ld_args_bsymbolic = []
952 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
953 ld_args_bsymbolic += '-Wl,-Bsymbolic'
955 ld_args_gc_sections = []
956 if cc.links('static char unused() { return 5; } int main() { return 0; }',
957 args : '-Wl,--gc-sections', name : 'gc-sections')
958 ld_args_gc_sections += '-Wl,--gc-sections'
960 with_ld_version_script = false
961 if cc.links('int main() { return 0; }',
962 args : '-Wl,--version-script=@0@'.format(
963 join_paths(meson.source_root(), 'build-support/conftest.map')),
964 name : 'version-script')
965 with_ld_version_script = true
967 with_ld_dynamic_list = false
968 if cc.links('int main() { return 0; }',
969 args : '-Wl,--dynamic-list=@0@'.format(
970 join_paths(meson.source_root(), 'build-support/conftest.dyn')),
971 name : 'dynamic-list')
972 with_ld_dynamic_list = true
974 ld_args_build_id = []
975 if build_machine.system() != 'darwin'
976 ld_args_build_id += '-Wl,--build-id=sha1'
979 # check for dl support
980 if cc.has_function('dlopen')
983 dep_dl = cc.find_library('dl')
985 if cc.has_function('dladdr', dependencies : dep_dl)
986 # This is really only required for megadrivers
987 pre_args += '-DHAVE_DLADDR'
990 if cc.has_function('dl_iterate_phdr')
991 pre_args += '-DHAVE_DL_ITERATE_PHDR'
993 error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
994 elif with_dri_i965 and get_option('shader-cache')
995 error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
998 # Determine whether or not the rt library is needed for time functions
999 if cc.has_function('clock_gettime')
1002 dep_clock = cc.find_library('rt')
1005 with_gallium_drisw_kms = false
1006 dep_libdrm = dependency('libdrm', version : '>= 2.4.75',
1007 required : with_dri2 or with_dri3)
1008 if dep_libdrm.found()
1009 pre_args += '-DHAVE_LIBDRM'
1010 if with_dri_platform == 'drm' and with_dri
1011 with_gallium_drisw_kms = true
1015 # TODO: some of these may be conditional
1016 dep_zlib = dependency('zlib', version : '>= 1.2.3')
1017 pre_args += '-DHAVE_ZLIB'
1018 dep_thread = dependency('threads')
1019 if dep_thread.found() and host_machine.system() != 'windows'
1020 pre_args += '-DHAVE_PTHREAD'
1022 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600 or with_gallium_opencl
1023 dep_elf = dependency('libelf', required : false)
1024 if not dep_elf.found()
1025 dep_elf = cc.find_library('elf')
1030 dep_expat = dependency('expat')
1031 # this only exists on linux so either this is linux and it will be found, or
1032 # its not linux and and wont
1033 dep_m = cc.find_library('m', required : false)
1035 dep_libdrm_amdgpu = []
1036 dep_libdrm_radeon = []
1037 dep_libdrm_nouveau = []
1038 dep_libdrm_etnaviv = []
1039 dep_libdrm_freedreno = []
1040 if with_amd_vk or with_gallium_radeonsi
1041 dep_libdrm_amdgpu = dependency('libdrm_amdgpu', version : '>= 2.4.91')
1043 if (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
1044 with_gallium_r300 or with_gallium_r600)
1045 dep_libdrm_radeon = dependency('libdrm_radeon', version : '>= 2.4.71')
1047 if with_gallium_nouveau or with_dri_nouveau
1048 dep_libdrm_nouveau = dependency('libdrm_nouveau', version : '>= 2.4.66')
1050 if with_gallium_etnaviv
1051 dep_libdrm_etnaviv = dependency('libdrm_etnaviv', version : '>= 2.4.82')
1053 if with_gallium_freedreno
1054 dep_libdrm_freedreno = dependency('libdrm_freedreno', version : '>= 2.4.91')
1057 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
1058 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
1059 llvm_modules += ['amdgpu', 'bitreader', 'ipo']
1060 if with_gallium_r600
1061 llvm_modules += 'asmparser'
1064 if with_gallium_opencl
1066 'all-targets', 'linker', 'coverage', 'instrumentation', 'ipo', 'irreader',
1067 'lto', 'option', 'objcarcopts', 'profiledata',
1069 # TODO: optional modules
1072 if with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1073 _llvm_version = '>= 4.0.0'
1074 elif with_gallium_opencl or with_gallium_r600
1075 _llvm_version = '>= 3.9.0'
1077 _llvm_version = '>= 3.3.0'
1080 _llvm = get_option('llvm')
1082 dep_llvm = dependency(
1083 'llvm', version : _llvm_version, modules : llvm_modules,
1084 required : with_amd_vk or with_gallium_radeonsi or with_gallium_swr or with_gallium_opencl,
1086 with_llvm = dep_llvm.found()
1087 elif _llvm == 'true'
1088 dep_llvm = dependency('llvm', version : _llvm_version, modules : llvm_modules)
1095 _llvm_version = dep_llvm.version().split('.')
1096 # Development versions of LLVM have an 'svn' or 'git' suffix, we don't want
1097 # that for our version checks.
1098 # svn suffixes are stripped by meson as of 0.43, and git suffixes are
1099 # strippped as of 0.44, but we support older meson versions.
1101 # 3 digits versions in LLVM only started from 3.4.1 on
1102 if dep_llvm.version().version_compare('>= 3.4.1')
1103 _llvm_patch = _llvm_version[2]
1108 if _llvm_patch.endswith('svn')
1109 _llvm_patch = _llvm_patch.split('s')[0]
1110 elif _llvm_patch.contains('git')
1111 _llvm_patch = _llvm_patch.split('g')[0]
1114 '-DHAVE_LLVM=0x0@0@0@1@'.format(_llvm_version[0], _llvm_version[1]),
1115 '-DMESA_LLVM_VERSION_PATCH=@0@'.format(_llvm_patch),
1117 elif with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1118 error('The following drivers require LLVM: Radv, RadeonSI, SWR. One of these is enabled, but LLVM is disabled.')
1123 dep_glvnd = dependency('libglvnd', version : '>= 0.2.0')
1124 pre_args += '-DUSE_LIBGLVND=1'
1127 if with_valgrind != 'false'
1128 dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
1129 if dep_valgrind.found()
1130 pre_args += '-DHAVE_VALGRIND'
1136 # pthread stubs. Lets not and say we didn't
1138 prog_bison = find_program('bison', required : with_any_opengl)
1139 prog_flex = find_program('flex', required : with_any_opengl)
1142 if get_option('selinux')
1143 dep_selinux = dependency('libselinux')
1144 pre_args += '-DMESA_SELINUX'
1147 # TODO: llvm-prefix and llvm-shared-libs
1149 if with_libunwind != 'false'
1150 dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
1151 if dep_unwind.found()
1152 pre_args += '-DHAVE_LIBUNWIND'
1160 if with_osmesa != 'none'
1161 if with_osmesa == 'classic' and not with_dri_swrast
1162 error('OSMesa classic requires dri (classic) swrast.')
1164 if with_osmesa == 'gallium' and not with_gallium_softpipe
1165 error('OSMesa gallium requires gallium softpipe or llvmpipe.')
1167 osmesa_lib_name = 'OSMesa'
1168 osmesa_bits = get_option('osmesa-bits')
1169 if osmesa_bits != '8'
1170 if with_dri or with_glx != 'disabled'
1171 error('OSMesa bits must be 8 if building glx or dir based drivers')
1173 osmesa_lib_name = osmesa_lib_name + osmesa_bits
1175 '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
1180 # TODO: symbol mangling
1182 if with_platform_wayland
1183 prog_wl_scanner = find_program('wayland-scanner')
1184 dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
1185 dep_wayland_client = dependency('wayland-client', version : '>=1.11')
1186 dep_wayland_server = dependency('wayland-server', version : '>=1.11')
1187 wayland_dmabuf_xml = join_paths(
1188 dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
1189 'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
1191 pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
1193 prog_wl_scanner = []
1194 dep_wl_protocols = []
1195 dep_wayland_client = []
1196 dep_wayland_server = []
1197 wayland_dmabuf_xml = ''
1213 dep_xcb_present = []
1217 if with_platform_x11
1218 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1219 dep_x11 = dependency('x11')
1220 dep_xext = dependency('xext')
1221 dep_xcb = dependency('xcb')
1222 elif with_glx == 'dri'
1223 dep_x11 = dependency('x11')
1224 dep_xext = dependency('xext')
1225 dep_xdamage = dependency('xdamage', version : '>= 1.1')
1226 dep_xfixes = dependency('xfixes')
1227 dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
1228 dep_xxf86vm = dependency('xxf86vm', required : false)
1230 if (with_any_vk or with_glx == 'dri' or
1231 (with_gallium_vdpau or with_gallium_xvmc or with_gallium_va or
1232 with_gallium_omx != 'disabled'))
1233 dep_xcb = dependency('xcb')
1234 dep_x11_xcb = dependency('x11-xcb')
1236 if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
1237 dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
1240 pre_args += '-DHAVE_DRI3'
1241 dep_xcb_dri3 = dependency('xcb-dri3')
1242 dep_xcb_present = dependency('xcb-present')
1243 # until xcb-dri3 has been around long enough to make a hard-dependency:
1244 if (dep_xcb_dri3.version().version_compare('>= 1.13') and
1245 dep_xcb_present.version().version_compare('>= 1.13'))
1246 pre_args += '-DHAVE_DRI3_MODIFIERS'
1248 dep_xcb_sync = dependency('xcb-sync')
1249 dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
1252 if with_glx == 'dri'
1253 if with_dri_platform == 'drm'
1254 dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
1256 dep_glproto = dependency('glproto', version : '>= 1.4.14')
1259 with_gallium_vdpau or with_gallium_xvmc or with_gallium_xa or
1260 with_gallium_omx != 'disabled'))
1261 dep_xcb_xfixes = dependency('xcb-xfixes')
1265 if get_option('gallium-extra-hud')
1266 pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
1269 _sensors = get_option('lmsensors')
1270 if _sensors != 'false'
1271 dep_lmsensors = cc.find_library('libsensors', required : _sensors == 'true')
1272 if dep_lmsensors.found()
1273 pre_args += '-DHAVE_LIBSENSORS=1'
1279 # TODO: gallium tests
1281 # TODO: various libdirs
1283 # TODO: gallium driver dirs
1285 # FIXME: this is a workaround for #2326
1286 prog_touch = find_program('touch')
1287 dummy_cpp = custom_target(
1289 output : 'dummy.cpp',
1290 command : [prog_touch, '@OUTPUT@'],
1293 foreach a : pre_args
1294 add_project_arguments(a, language : ['c', 'cpp'])
1297 add_project_arguments(a, language : ['c'])
1299 foreach a : cpp_args
1300 add_project_arguments(a, language : ['cpp'])
1303 inc_include = include_directories('include')
1306 'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
1308 if dep_libdrm.found()
1309 gl_priv_reqs += 'libdrm >= 2.4.75'
1311 if dep_xxf86vm != [] and dep_xxf86vm.found()
1312 gl_priv_reqs += 'xxf86vm'
1314 if with_dri_platform == 'drm'
1315 gl_priv_reqs += 'xcb-dri2 >= 1.8'
1319 if dep_thread.found()
1320 gl_priv_libs += ['-lpthread', '-pthread']
1323 gl_priv_libs += '-lm'
1325 if dep_dl != [] and dep_dl.found()
1326 gl_priv_libs += '-ldl'
1329 pkg = import('pkgconfig')
1331 env_test = environment()
1332 env_test.set('NM', find_program('nm').path())