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']
63 if get_option('texture-float')
64 pre_args += '-DTEXTURE_FLOAT_ENABLED'
65 warning('Floating-point texture enabled. Please consult docs/patents.txt and your lawyer before building mesa.')
68 dri_drivers_path = get_option('dri-drivers-path')
69 if dri_drivers_path == ''
70 dri_drivers_path = join_paths(get_option('libdir'), 'dri')
72 dri_search_path = get_option('dri-search-path')
73 if dri_search_path == ''
74 dri_search_path = join_paths(get_option('prefix'), dri_drivers_path)
77 with_gles1 = get_option('gles1')
78 with_gles2 = get_option('gles2')
79 with_opengl = get_option('opengl')
80 with_any_opengl = with_opengl or with_gles1 or with_gles2
81 # Only build shared_glapi if at least one OpenGL API is enabled
82 with_shared_glapi = get_option('shared-glapi') and with_any_opengl
85 # shared-glapi is required if at least two OpenGL APIs are being built
86 if not with_shared_glapi
87 if ((with_gles1 and with_gles2) or (with_gles1 and with_opengl)
88 or (with_gles2 and with_opengl))
89 error('shared-glapi required for building two or more of OpenGL, OpenGL ES 1.x, OpenGL ES 2.x')
93 # We require OpenGL for OpenGL ES
94 if (with_gles1 or with_gles2) and not with_opengl
95 error('building OpenGL ES without OpenGL is not supported.')
98 system_has_kms_drm = ['openbsd', 'netbsd', 'freebsd', 'dragonfly', 'linux'].contains(host_machine.system())
100 _drivers = get_option('dri-drivers')
101 if _drivers.contains('auto')
102 if system_has_kms_drm
104 if ['x86', 'x86_64'].contains(host_machine.cpu_family())
105 _drivers = ['i915', 'i965', 'r100', 'r200', 'nouveau']
106 elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
109 error('Unknown architecture. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.')
111 elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
112 # only swrast would make sense here, but gallium swrast is a much better default
115 error('Unknown OS. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.')
119 with_dri_i915 = _drivers.contains('i915')
120 with_dri_i965 = _drivers.contains('i965')
121 with_dri_r100 = _drivers.contains('r100')
122 with_dri_r200 = _drivers.contains('r200')
123 with_dri_nouveau = _drivers.contains('nouveau')
124 with_dri_swrast = _drivers.contains('swrast')
126 with_dri = _drivers.length() != 0 and _drivers != ['']
128 _drivers = get_option('gallium-drivers')
129 if _drivers.contains('auto')
130 if system_has_kms_drm
132 if ['x86', 'x86_64'].contains(host_machine.cpu_family())
134 'r300', 'r600', 'radeonsi', 'nouveau', 'virgl', 'svga', 'swrast'
136 elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
138 'pl111', 'v3d', 'vc4', 'freedreno', 'etnaviv', 'imx', 'nouveau',
139 'tegra', 'virgl', 'swrast',
142 error('Unknown architecture. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.')
144 elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
145 _drivers = ['swrast']
147 error('Unknown OS. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.')
150 with_gallium_pl111 = _drivers.contains('pl111')
151 with_gallium_radeonsi = _drivers.contains('radeonsi')
152 with_gallium_r300 = _drivers.contains('r300')
153 with_gallium_r600 = _drivers.contains('r600')
154 with_gallium_nouveau = _drivers.contains('nouveau')
155 with_gallium_freedreno = _drivers.contains('freedreno')
156 with_gallium_softpipe = _drivers.contains('swrast')
157 with_gallium_vc4 = _drivers.contains('vc4')
158 with_gallium_v3d = _drivers.contains('v3d')
159 with_gallium_etnaviv = _drivers.contains('etnaviv')
160 with_gallium_imx = _drivers.contains('imx')
161 with_gallium_tegra = _drivers.contains('tegra')
162 with_gallium_i915 = _drivers.contains('i915')
163 with_gallium_svga = _drivers.contains('svga')
164 with_gallium_virgl = _drivers.contains('virgl')
165 with_gallium_swr = _drivers.contains('swr')
167 with_gallium = _drivers.length() != 0 and _drivers != ['']
169 if with_gallium and system_has_kms_drm
170 _glx = get_option('glx')
171 _egl = get_option('egl')
172 if _glx == 'dri' or _egl == 'true' or (_glx == 'disabled' and _egl != 'false')
177 _vulkan_drivers = get_option('vulkan-drivers')
178 if _vulkan_drivers.contains('auto')
179 if system_has_kms_drm
180 if host_machine.cpu_family().startswith('x86')
181 _vulkan_drivers = ['amd', 'intel']
183 error('Unknown architecture. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.')
185 elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
186 # No vulkan driver supports windows or macOS currently
189 error('Unknown OS. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.')
193 with_intel_vk = _vulkan_drivers.contains('intel')
194 with_amd_vk = _vulkan_drivers.contains('amd')
195 with_any_vk = _vulkan_drivers.length() != 0 and _vulkan_drivers != ['']
197 if with_dri_swrast and (with_gallium_softpipe or with_gallium_swr)
198 error('Only one swrast provider can be built')
200 if with_dri_i915 and with_gallium_i915
201 error('Only one i915 provider can be built')
203 if with_gallium_imx and not with_gallium_etnaviv
204 error('IMX driver requires etnaviv driver')
206 if with_gallium_pl111 and not with_gallium_vc4
207 error('pl111 driver requires vc4 driver')
209 if with_gallium_tegra and not with_gallium_nouveau
210 error('tegra driver requires nouveau driver')
213 if host_machine.system() == 'darwin'
214 with_dri_platform = 'apple'
215 elif ['windows', 'cygwin'].contains(host_machine.system())
216 with_dri_platform = 'windows'
217 elif system_has_kms_drm
218 with_dri_platform = 'drm'
220 # FIXME: haiku doesn't use dri, and xlib doesn't use dri, probably should
221 # assert here that one of those cases has been met.
222 # FIXME: GNU (hurd) ends up here as well, but meson doesn't officially
223 # support Hurd at time of writing (2017/11)
224 # FIXME: illumos ends up here as well
225 with_dri_platform = 'none'
228 _platforms = get_option('platforms')
229 if _platforms.contains('auto')
230 if system_has_kms_drm
231 _platforms = ['x11', 'wayland', 'drm', 'surfaceless']
232 elif ['darwin', 'windows', 'cygwin'].contains(host_machine.system())
233 _platforms = ['x11', 'surfaceless']
234 elif ['haiku'].contains(host_machine.system())
235 _platforms = ['haiku']
237 error('Unknown OS. Please pass -Dplatforms to set platforms. Patches gladly accepted to fix this.')
241 with_platform_android = _platforms.contains('android')
242 with_platform_x11 = _platforms.contains('x11')
243 with_platform_wayland = _platforms.contains('wayland')
244 with_platform_drm = _platforms.contains('drm')
245 with_platform_haiku = _platforms.contains('haiku')
246 with_platform_surfaceless = _platforms.contains('surfaceless')
248 with_platforms = false
249 if _platforms.length() != 0 and _platforms != ['']
250 with_platforms = true
251 egl_native_platform = _platforms[0]
254 with_glx = get_option('glx')
255 if with_glx == 'auto'
258 elif with_platform_haiku
259 with_glx = 'disabled'
261 # Even when building just gallium drivers the user probably wants dri
264 elif with_platform_x11 and with_any_opengl and not with_any_vk
265 # The automatic behavior should not be to turn on xlib based glx when
266 # building only vulkan drivers
269 with_glx = 'disabled'
273 if not (with_dri or with_gallium or with_glx == 'xlib' or with_glx == 'gallium-xlib')
277 with_any_opengl = false
278 with_shared_glapi = false
281 _gbm = get_option('gbm')
283 with_gbm = system_has_kms_drm and with_dri
285 with_gbm = _gbm == 'true'
287 if with_gbm and not system_has_kms_drm
288 error('GBM only supports DRM/KMS platforms')
291 _egl = get_option('egl')
293 with_egl = with_dri and with_shared_glapi and with_platforms
296 error('EGL requires dri')
297 elif not with_shared_glapi
298 error('EGL requires shared-glapi')
299 elif not with_platforms
300 error('No platforms specified, consider -Dplatforms=drm,x11 at least')
301 elif not ['disabled', 'dri'].contains(with_glx)
302 error('EGL requires dri, but a GLX is being built without dri')
309 if with_egl and not (with_platform_drm or with_platform_surfaceless)
310 if with_gallium_radeonsi
311 error('RadeonSI requires drm or surfaceless platform when using EGL')
313 if with_gallium_virgl
314 error('Virgl requires drm or surfaceless platform when using EGL')
318 pre_args += '-DGLX_USE_TLS'
319 if with_glx != 'disabled'
320 if not (with_platform_x11 and with_any_opengl)
321 error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
322 elif with_glx == 'gallium-xlib'
324 error('Gallium-xlib based GLX requires at least one gallium driver')
325 elif not with_gallium_softpipe
326 error('Gallium-xlib based GLX requires softpipe or llvmpipe.')
328 error('gallium-xlib conflicts with any dri driver')
330 elif with_glx == 'xlib'
332 error('xlib conflicts with any dri driver')
334 elif with_glx == 'dri'
336 error('dri based GLX requires at least one DRI driver')
337 elif not with_shared_glapi
338 error('dri based GLX requires shared-glapi')
343 with_glvnd = get_option('glvnd')
345 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
346 error('Cannot build glvnd support for GLX that is not DRI based.')
347 elif with_glx == 'disabled' and not with_egl
348 error('glvnd requires DRI based GLX and/or EGL')
352 # TODO: toggle for this
353 with_glx_direct = true
355 if with_vulkan_icd_dir == ''
356 with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
359 with_dri2 = (with_dri or with_any_vk) and with_dri_platform == 'drm'
360 _dri3 = get_option('dri3')
362 with_dri3 = system_has_kms_drm and with_dri2
364 with_dri3 = _dri3 == 'true'
367 if with_any_vk and (with_platform_x11 and not with_dri3)
368 error('Vulkan drivers require dri3 for X11 support')
370 if with_dri or with_gallium
371 if with_glx == 'disabled' and not with_egl and not with_platform_haiku
372 error('building dri or gallium drivers require at least one window system')
376 prog_pkgconfig = find_program('pkg-config')
378 _vdpau = get_option('gallium-vdpau')
379 if not system_has_kms_drm
381 error('VDPAU state tracker can only be build on unix-like OSes.')
385 elif not with_platform_x11
387 error('VDPAU state tracker requires X11 support.')
391 elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
392 with_gallium_nouveau)
394 error('VDPAU state tracker requires at least one of the following gallium drivers: r300, r600, radeonsi, nouveau.')
398 elif _vdpau == 'auto'
401 with_gallium_vdpau = _vdpau == 'true'
403 if with_gallium_vdpau
404 dep_vdpau = dependency('vdpau', version : '>= 1.1')
405 dep_vdpau = declare_dependency(
406 compile_args : run_command(prog_pkgconfig, ['vdpau', '--cflags']).stdout().split()
410 if with_gallium_vdpau
411 pre_args += '-DHAVE_ST_VDPAU'
413 vdpau_drivers_path = get_option('vdpau-libs-path')
414 if vdpau_drivers_path == ''
415 vdpau_drivers_path = join_paths(get_option('libdir'), 'vdpau')
418 _xvmc = get_option('gallium-xvmc')
419 if not system_has_kms_drm
421 error('XVMC state tracker can only be build on unix-like OSes.')
425 elif not with_platform_x11
427 error('XVMC state tracker requires X11 support.')
431 elif not (with_gallium_r600 or with_gallium_nouveau)
433 error('XVMC state tracker requires at least one of the following gallium drivers: r600, nouveau.')
440 with_gallium_xvmc = _xvmc == 'true'
443 dep_xvmc = dependency('xvmc', version : '>= 1.0.6')
446 xvmc_drivers_path = get_option('xvmc-libs-path')
447 if xvmc_drivers_path == ''
448 xvmc_drivers_path = get_option('libdir')
451 _omx = get_option('gallium-omx')
452 if not system_has_kms_drm
453 if ['auto', 'disabled'].contains(_omx)
456 error('OMX state tracker can only be built on unix-like OSes.')
458 elif not (with_platform_x11 or with_platform_drm)
459 if ['auto', 'disabled'].contains(_omx)
462 error('OMX state tracker requires X11 or drm platform support.')
464 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
465 if ['auto', 'disabled'].contains(_omx)
468 error('OMX state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
471 with_gallium_omx = _omx
474 if ['auto', 'bellagio'].contains(_omx)
475 dep_omx = dependency(
476 'libomxil-bellagio', required : _omx == 'bellagio'
479 with_gallium_omx = 'bellagio'
482 if ['auto', 'tizonia'].contains(_omx)
483 if with_dri and with_egl
484 dep_omx = dependency(
485 'libtizonia', version : '>= 0.10.0',
486 required : _omx == 'tizonia',
489 dependency('libtizplatform', required : _omx == 'tizonia'),
490 dependency('tizilheaders', required : _omx == 'tizonia'),
492 if dep_omx.found() and dep_omx_other[0].found() and dep_omx_other[1].found()
493 with_gallium_omx = 'tizonia'
495 elif _omx == 'tizonia'
496 error('OMX-Tizonia state tracker requires dri and egl')
500 with_gallium_omx = 'disabled'
502 with_gallium_omx = _omx
506 '-DENABLE_ST_OMX_BELLAGIO=' + (with_gallium_omx == 'bellagio' ? '1' : '0'),
507 '-DENABLE_ST_OMX_TIZONIA=' + (with_gallium_omx == 'tizonia' ? '1' : '0'),
511 omx_drivers_path = get_option('omx-libs-path')
513 if with_gallium_omx != 'disabled'
514 # Figure out where to put the omx driver.
515 # FIXME: this could all be vastly simplified by adding a 'defined_variable'
516 # argument to meson's get_pkgconfig_variable method.
517 if omx_drivers_path == ''
518 _omx_libdir = dep_omx.get_pkgconfig_variable('libdir')
519 _omx_drivers_dir = dep_omx.get_pkgconfig_variable('pluginsdir')
520 if _omx_libdir == get_option('libdir')
521 omx_drivers_path = _omx_drivers_dir
524 # This will fail on windows. Does OMX run on windows?
525 _omx_libdir = _omx_libdir.split('/')
526 _omx_drivers_dir = _omx_drivers_dir.split('/')
527 foreach o : _omx_drivers_dir
528 if not _omx_libdir.contains(o)
532 omx_drivers_path = join_paths(get_option('libdir'), _omx_base_dir)
537 _va = get_option('gallium-va')
538 if not system_has_kms_drm
540 error('VA state tracker can only be built on unix-like OSes.')
544 elif not (with_platform_x11 or with_platform_drm)
546 error('VA state tracker requires X11 or drm or wayland platform support.')
550 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
552 error('VA state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
559 with_gallium_va = _va == 'true'
562 dep_va = dependency('libva', version : '>= 0.39.0')
563 dep_va_headers = declare_dependency(
564 compile_args : run_command(prog_pkgconfig, ['libva', '--cflags']).stdout().split()
568 va_drivers_path = get_option('va-libs-path')
569 if va_drivers_path == ''
570 va_drivers_path = join_paths(get_option('libdir'), 'dri')
573 _xa = get_option('gallium-xa')
574 if not system_has_kms_drm
576 error('XA state tracker can only be built on unix-like OSes.')
580 elif not (with_gallium_nouveau or with_gallium_freedreno or with_gallium_i915
581 or with_gallium_svga)
583 error('XA state tracker requires at least one of the following gallium drivers: nouveau, freedreno, i915, svga.')
588 with_gallium_xa = _xa != 'false'
590 d3d_drivers_path = get_option('d3d-drivers-path')
591 if d3d_drivers_path == ''
592 d3d_drivers_path = join_paths(get_option('libdir'), 'd3d')
595 with_gallium_st_nine = get_option('gallium-nine')
596 if with_gallium_st_nine
597 if not with_gallium_softpipe
598 error('The nine state tracker requires gallium softpipe/llvmpipe.')
599 elif not (with_gallium_radeonsi or with_gallium_nouveau or with_gallium_r600
600 or with_gallium_r300 or with_gallium_svga or with_gallium_i915)
601 error('The nine state tracker requires at least on non-swrast gallium driver.')
604 error('Using nine with wine requires dri3')
608 if get_option('power8') != 'false'
609 if host_machine.cpu_family() == 'ppc64le'
610 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.8')
611 error('Altivec is not supported with gcc version < 4.8.')
616 vector unsigned char r;
617 vector unsigned int v = vec_splat_u32 (1);
618 r = __builtin_vec_vgbbd ((vector unsigned char) v);
621 args : '-mpower8-vector',
622 name : 'POWER8 intrinsics')
623 pre_args += ['-D_ARCH_PWR8', '-mpower8-vector']
624 elif get_option('power8') == 'true'
625 error('POWER8 intrinsic support required but not found.')
630 _opencl = get_option('gallium-opencl')
631 if _opencl != 'disabled'
633 error('OpenCL Clover implementation requires at least one gallium driver.')
636 dep_clc = dependency('libclc')
637 with_gallium_opencl = true
638 with_opencl_icd = _opencl == 'icd'
641 with_gallium_opencl = false
642 with_gallium_icd = false
645 gl_pkgconfig_c_flags = []
647 if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
648 pre_args += '-DHAVE_X11_PLATFORM'
650 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
651 pre_args += '-DUSE_XSHM'
653 pre_args += '-DGLX_INDIRECT_RENDERING'
655 pre_args += '-DGLX_DIRECT_RENDERING'
657 if with_dri_platform == 'drm'
658 pre_args += '-DGLX_USE_DRM'
659 elif with_dri_platform == 'apple'
660 pre_args += '-DGLX_USE_APPLEGL'
661 elif with_dri_platform == 'windows'
662 pre_args += '-DGLX_USE_WINDOWSGL'
666 pre_args += '-DMESA_EGL_NO_X11_HEADERS'
667 gl_pkgconfig_c_flags += '-DMESA_EGL_NO_X11_HEADERS'
670 if with_egl and not with_gbm
671 error('EGL drm platform requires gbm')
673 pre_args += '-DHAVE_DRM_PLATFORM'
675 if with_platform_surfaceless
676 pre_args += '-DHAVE_SURFACELESS_PLATFORM'
678 if with_platform_android
680 dependency('cutils'),
681 dependency('hardware'),
684 pre_args += '-DHAVE_ANDROID_PLATFORM'
686 if with_platform_haiku
687 pre_args += '-DHAVE_HAIKU_PLATFORM'
690 prog_python2 = find_program('python2')
691 has_mako = run_command(prog_python2, '-c', 'import mako')
692 if has_mako.returncode() != 0
693 error('Python (2.x) mako module required to build mesa.')
696 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
697 error('When using GCC, version 4.4.6 or later is required.')
700 # Define DEBUG for debug builds only (debugoptimized is not included on this one)
701 if get_option('buildtype') == 'debug'
702 pre_args += '-DDEBUG'
705 if get_option('shader-cache')
706 pre_args += '-DENABLE_SHADER_CACHE'
708 error('Radv requires shader cache support')
711 # Check for GCC style builtins
712 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
713 'ffsll', 'popcount', 'popcountll', 'unreachable']
714 if cc.has_function(b)
715 pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
719 # check for GCC __attribute__
720 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
721 'warn_unused_result', 'weak',]
722 if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
723 name : '__attribute__((@0@))'.format(a))
724 pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
727 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
728 name : '__attribute__((format(...)))')
729 pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
731 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
732 name : '__attribute__((packed))')
733 pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
735 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
736 name : '__attribute__((returns_nonnull))')
737 pre_args += '-DHAVE_FUNC_ATTRIBUTE_RETURNS_NONNULL'
739 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
740 int foo_hid(void) __attribute__((visibility("hidden")));
741 int foo_int(void) __attribute__((visibility("internal")));
742 int foo_pro(void) __attribute__((visibility("protected")));''',
743 name : '__attribute__((visibility(...)))')
744 pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISIBILITY'
746 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
747 name : '__attribute__((alias(...)))')
748 pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
750 if cc.compiles('int foo(void) __attribute__((__noreturn__));',
751 name : '__attribute__((__noreturn__))')
752 pre_args += '-DHAVE_FUNC_ATTRIBUTE_NORETURN'
755 # TODO: this is very incomplete
756 if ['linux', 'cygwin'].contains(host_machine.system())
757 pre_args += '-D_GNU_SOURCE'
760 # Check for generic C arguments
762 foreach a : ['-Wall', '-Werror=implicit-function-declaration',
763 '-Werror=missing-prototypes', '-fno-math-errno',
764 '-fno-trapping-math', '-Qunused-arguments']
765 if cc.has_argument(a)
770 if cc.has_argument('-fvisibility=hidden')
771 c_vis_args += '-fvisibility=hidden'
774 # Check for generic C++ arguments
776 foreach a : ['-Wall', '-fno-math-errno', '-fno-trapping-math',
777 '-Qunused-arguments']
778 if cpp.has_argument(a)
783 # For some reason, the test for -Wno-foo always succeeds with gcc, even if the
784 # option is not supported. Hence, check for -Wfoo instead.
785 if cpp.has_argument('-Wnon-virtual-dtor')
786 cpp_args += '-Wno-non-virtual-dtor'
789 no_override_init_args = []
790 foreach a : ['override-init', 'initializer-overrides']
791 if cc.has_argument('-W' + a)
792 no_override_init_args += '-Wno-' + a
797 if cpp.has_argument('-fvisibility=hidden')
798 cpp_vis_args += '-fvisibility=hidden'
801 # Check for C and C++ arguments for MSVC2013 compatibility. These are only used
802 # in parts of the mesa code base that need to compile with old versions of
803 # MSVC, mainly common code
804 c_msvc_compat_args = []
805 cpp_msvc_compat_args = []
806 foreach a : ['-Werror=pointer-arith', '-Werror=vla']
807 if cc.has_argument(a)
808 c_msvc_compat_args += a
810 if cpp.has_argument(a)
811 cpp_msvc_compat_args += a
815 if host_machine.cpu_family().startswith('x86')
816 pre_args += '-DUSE_SSE41'
818 sse41_args = ['-msse4.1']
820 # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
821 # that's not guaranteed
822 if host_machine.cpu_family() == 'x86'
823 sse41_args += '-mstackrealign'
830 # Check for GCC style atomics
831 dep_atomic = null_dep
833 if cc.compiles('''#include <stdint.h>
838 return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
839 (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
842 name : 'GCC atomic builtins')
843 pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
845 # Not all atomic calls can be turned into lock-free instructions, in which
846 # GCC will make calls into the libatomic library. Check whether we need to
847 # link with -latomic.
849 # This can happen for 64-bit atomic operations on 32-bit architectures such
851 if not cc.links('''#include <stdint.h>
856 return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
857 (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
859 name : 'GCC atomic builtins required -latomic')
860 dep_atomic = cc.find_library('atomic')
863 if not cc.links('''#include <stdint.h>
866 return __sync_add_and_fetch(&v, (uint64_t)1);
868 name : 'GCC 64bit atomics')
869 pre_args += '-DMISSING_64_BIT_ATOMICS'
872 # TODO: shared/static? Is this even worth doing?
874 # When cross compiling we generally need to turn off the use of assembly,
875 # because mesa's assembly relies on building an executable for the host system,
876 # and running it to get information about struct sizes. There is at least one
877 # case of cross compiling where we can use asm, and that's x86_64 -> x86 when
878 # host OS == build OS, since in that case the build machine can run the host's
880 if meson.is_cross_build()
881 if build_machine.system() != host_machine.system()
882 # TODO: It may be possible to do this with an exe_wrapper (like wine).
883 message('Cross compiling from one OS to another, disabling assembly.')
885 elif not (build_machine.cpu_family().startswith('x86') and host_machine.cpu_family() == 'x86')
886 # FIXME: Gentoo always sets -m32 for x86_64 -> x86 builds, resulting in an
887 # x86 -> x86 cross compile. We use startswith rather than == to handle this
889 # TODO: There may be other cases where the 64 bit version of the
890 # architecture can run 32 bit binaries (aarch64 and armv7 for example)
892 Cross compiling to different architectures, and the host cannot run
893 the build machine's binaries. Disabling assembly.
901 if host_machine.cpu_family() == 'x86'
902 if system_has_kms_drm
903 with_asm_arch = 'x86'
904 pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
907 if with_glx_read_only_text
908 pre_args += ['-DGLX_X86_READONLY_TEXT']
911 elif host_machine.cpu_family() == 'x86_64'
912 if system_has_kms_drm
913 with_asm_arch = 'x86_64'
914 pre_args += ['-DUSE_X86_64_ASM']
916 elif host_machine.cpu_family() == 'arm'
917 if system_has_kms_drm
918 with_asm_arch = 'arm'
919 pre_args += ['-DUSE_ARM_ASM']
921 elif host_machine.cpu_family() == 'aarch64'
922 if system_has_kms_drm
923 with_asm_arch = 'aarch64'
924 pre_args += ['-DUSE_AARCH64_ASM']
926 elif host_machine.cpu_family() == 'sparc64'
927 if system_has_kms_drm
928 with_asm_arch = 'sparc'
929 pre_args += ['-DUSE_SPARC_ASM']
931 elif host_machine.cpu_family() == 'ppc64le'
932 if system_has_kms_drm
933 with_asm_arch = 'ppc64le'
934 pre_args += ['-DUSE_PPC64LE_ASM']
939 # Check for standard headers and functions
940 if cc.has_header_symbol('sys/sysmacros.h', 'major')
941 pre_args += '-DMAJOR_IN_SYSMACROS'
942 elif cc.has_header_symbol('sys/mkdev.h', 'major')
943 pre_args += '-DMAJOR_IN_MKDEV'
946 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h', 'endian.h']
947 if cc.compiles('#include <@0@>'.format(h), name : '@0@'.format(h))
948 pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
952 foreach f : ['strtof', 'mkostemp', 'posix_memalign', 'timespec_get', 'memfd_create']
953 if cc.has_function(f)
954 pre_args += '-DHAVE_@0@'.format(f.to_upper())
958 # strtod locale support
963 #ifdef HAVE_XLOCALE_H
967 locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
968 const char *s = "1.0";
970 double d = strtod_l(s, end, loc);
971 float f = strtof_l(s, end, loc);
975 extra_args : pre_args,
976 name : 'strtod has locale support')
977 pre_args += '-DHAVE_STRTOD_L'
980 # Check for some linker flags
981 ld_args_bsymbolic = []
982 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
983 ld_args_bsymbolic += '-Wl,-Bsymbolic'
985 ld_args_gc_sections = []
986 if cc.links('static char unused() { return 5; } int main() { return 0; }',
987 args : '-Wl,--gc-sections', name : 'gc-sections')
988 ld_args_gc_sections += '-Wl,--gc-sections'
990 with_ld_version_script = false
991 if cc.links('int main() { return 0; }',
992 args : '-Wl,--version-script=@0@'.format(
993 join_paths(meson.source_root(), 'build-support/conftest.map')),
994 name : 'version-script')
995 with_ld_version_script = true
997 with_ld_dynamic_list = false
998 if cc.links('int main() { return 0; }',
999 args : '-Wl,--dynamic-list=@0@'.format(
1000 join_paths(meson.source_root(), 'build-support/conftest.dyn')),
1001 name : 'dynamic-list')
1002 with_ld_dynamic_list = true
1004 ld_args_build_id = []
1005 if build_machine.system() != 'darwin'
1006 ld_args_build_id += '-Wl,--build-id=sha1'
1009 # check for dl support
1010 if cc.has_function('dlopen')
1013 dep_dl = cc.find_library('dl')
1015 if cc.has_function('dladdr', dependencies : dep_dl)
1016 # This is really only required for megadrivers
1017 pre_args += '-DHAVE_DLADDR'
1020 if cc.has_function('dl_iterate_phdr')
1021 pre_args += '-DHAVE_DL_ITERATE_PHDR'
1023 error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
1024 elif with_dri_i965 and get_option('shader-cache')
1025 error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
1028 # Determine whether or not the rt library is needed for time functions
1029 if cc.has_function('clock_gettime')
1030 dep_clock = null_dep
1032 dep_clock = cc.find_library('rt')
1035 # TODO: some of these may be conditional
1036 dep_zlib = dependency('zlib', version : '>= 1.2.3')
1037 pre_args += '-DHAVE_ZLIB'
1038 dep_thread = dependency('threads')
1039 if dep_thread.found() and host_machine.system() != 'windows'
1040 pre_args += '-DHAVE_PTHREAD'
1042 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600 or with_gallium_opencl
1043 dep_elf = dependency('libelf', required : false)
1044 if not dep_elf.found()
1045 dep_elf = cc.find_library('elf')
1050 dep_expat = dependency('expat')
1051 # this only exists on linux so either this is linux and it will be found, or
1052 # its not linux and and wont
1053 dep_m = cc.find_library('m', required : false)
1055 # Check for libdrm. various drivers have different libdrm version requirements,
1056 # but we always want to use the same version for all libdrm modules. That means
1057 # even if driver foo requires 2.4.0 and driver bar requires 2.4.3, if foo and
1058 # bar are both on use 2.4.3 for both of them
1059 dep_libdrm_amdgpu = null_dep
1060 dep_libdrm_radeon = null_dep
1061 dep_libdrm_nouveau = null_dep
1062 dep_libdrm_etnaviv = null_dep
1063 dep_libdrm_freedreno = null_dep
1064 dep_libdrm_intel = null_dep
1066 _drm_amdgpu_ver = '2.4.91'
1067 _drm_radeon_ver = '2.4.71'
1068 _drm_nouveau_ver = '2.4.66'
1069 _drm_etnaviv_ver = '2.4.89'
1070 _drm_freedreno_ver = '2.4.92'
1071 _drm_intel_ver = '2.4.75'
1075 ['intel', with_dri_i915 or with_gallium_i915],
1076 ['amdgpu', with_amd_vk or with_gallium_radeonsi],
1077 ['radeon', (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
1078 with_gallium_r300 or with_gallium_r600)],
1079 ['nouveau', (with_gallium_nouveau or with_dri_nouveau)],
1080 ['etnaviv', with_gallium_etnaviv],
1081 ['freedreno', with_gallium_freedreno],
1084 # VC4 only needs core libdrm support of this version, not a libdrm_vc4
1090 # Loop over the enables versions and get the highest libdrm requirement for all
1092 foreach d : _libdrm_checks
1093 ver = get_variable('_drm_@0@_ver'.format(d[0]))
1094 if d[1] and ver.version_compare('>' + _drm_ver)
1099 # Then get each libdrm module
1100 foreach d : _libdrm_checks
1103 'dep_libdrm_' + d[0],
1104 dependency('libdrm_' + d[0], version : '>=' + _drm_ver)
1109 with_gallium_drisw_kms = false
1110 dep_libdrm = dependency(
1111 'libdrm', version : '>=' + _drm_ver,
1112 required : with_dri2 or with_dri3
1114 if dep_libdrm.found()
1115 pre_args += '-DHAVE_LIBDRM'
1116 if with_dri_platform == 'drm' and with_dri
1117 with_gallium_drisw_kms = true
1121 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
1122 llvm_optional_modules = []
1123 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
1124 llvm_modules += ['amdgpu', 'bitreader', 'ipo']
1125 if with_gallium_r600
1126 llvm_modules += 'asmparser'
1129 if with_gallium_opencl
1131 'all-targets', 'linker', 'coverage', 'instrumentation', 'ipo', 'irreader',
1132 'lto', 'option', 'objcarcopts', 'profiledata',
1134 llvm_optional_modules += ['coroutines', 'opencl']
1137 if with_amd_vk or with_gallium_radeonsi
1138 _llvm_version = '>= 5.0.0'
1139 elif with_gallium_swr
1140 _llvm_version = '>= 4.0.0'
1141 elif with_gallium_opencl or with_gallium_r600
1142 _llvm_version = '>= 3.9.0'
1144 _llvm_version = '>= 3.3.0'
1147 _llvm = get_option('llvm')
1149 dep_llvm = dependency(
1151 version : _llvm_version,
1152 modules : llvm_modules,
1153 optional_modules : llvm_optional_modules,
1154 required : with_amd_vk or with_gallium_radeonsi or with_gallium_swr or with_gallium_opencl,
1156 with_llvm = dep_llvm.found()
1157 elif _llvm == 'true'
1158 dep_llvm = dependency(
1160 version : _llvm_version,
1161 modules : llvm_modules,
1162 optional_modules : llvm_optional_modules,
1170 _llvm_version = dep_llvm.version().split('.')
1171 # Development versions of LLVM have an 'svn' or 'git' suffix, we don't want
1172 # that for our version checks.
1173 # svn suffixes are stripped by meson as of 0.43, and git suffixes are
1174 # strippped as of 0.44, but we support older meson versions.
1176 # 3 digits versions in LLVM only started from 3.4.1 on
1177 if dep_llvm.version().version_compare('>= 3.4.1')
1178 _llvm_patch = _llvm_version[2]
1183 if _llvm_patch.endswith('svn')
1184 _llvm_patch = _llvm_patch.split('s')[0]
1185 elif _llvm_patch.contains('git')
1186 _llvm_patch = _llvm_patch.split('g')[0]
1189 '-DHAVE_LLVM=0x0@0@0@1@'.format(_llvm_version[0], _llvm_version[1]),
1190 '-DMESA_LLVM_VERSION_PATCH=@0@'.format(_llvm_patch),
1193 # LLVM can be built without rtti, turning off rtti changes the ABI of C++
1194 # programs, so we need to build all C++ code in mesa without rtti as well to
1195 # ensure that linking works.
1196 if dep_llvm.get_configtool_variable('has-rtti') == 'NO'
1197 cpp_args += '-fno-rtti'
1199 elif with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1200 error('The following drivers require LLVM: Radv, RadeonSI, SWR. One of these is enabled, but LLVM is disabled.')
1203 dep_glvnd = null_dep
1205 dep_glvnd = dependency('libglvnd', version : '>= 0.2.0')
1206 pre_args += '-DUSE_LIBGLVND=1'
1209 if with_valgrind != 'false'
1210 dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
1211 if dep_valgrind.found()
1212 pre_args += '-DHAVE_VALGRIND'
1215 dep_valgrind = null_dep
1218 # pthread stubs. Lets not and say we didn't
1220 prog_bison = find_program('bison', required : with_any_opengl)
1221 prog_flex = find_program('flex', required : with_any_opengl)
1223 dep_selinux = null_dep
1224 if get_option('selinux')
1225 dep_selinux = dependency('libselinux')
1226 pre_args += '-DMESA_SELINUX'
1229 if with_libunwind != 'false'
1230 dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
1231 if dep_unwind.found()
1232 pre_args += '-DHAVE_LIBUNWIND'
1235 dep_unwind = null_dep
1238 if with_osmesa != 'none'
1239 if with_osmesa == 'classic' and not with_dri_swrast
1240 error('OSMesa classic requires dri (classic) swrast.')
1242 if with_osmesa == 'gallium' and not with_gallium_softpipe
1243 error('OSMesa gallium requires gallium softpipe or llvmpipe.')
1245 osmesa_lib_name = 'OSMesa'
1246 osmesa_bits = get_option('osmesa-bits')
1247 if osmesa_bits != '8'
1248 if with_dri or with_glx != 'disabled'
1249 error('OSMesa bits must be 8 if building glx or dir based drivers')
1251 osmesa_lib_name = osmesa_lib_name + osmesa_bits
1253 '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
1258 # TODO: symbol mangling
1260 if with_platform_wayland
1261 prog_wl_scanner = find_program('wayland-scanner')
1262 dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
1263 dep_wayland_client = dependency('wayland-client', version : '>=1.11')
1264 dep_wayland_server = dependency('wayland-server', version : '>=1.11')
1266 dep_wayland_egl = dependency('wayland-egl-backend', version : '>= 3')
1267 dep_wayland_egl_headers = declare_dependency(
1268 compile_args : run_command(prog_pkgconfig, ['wayland-egl-backend', '--cflags']).stdout().split())
1270 wayland_dmabuf_xml = join_paths(
1271 dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
1272 'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
1274 pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
1276 prog_wl_scanner = []
1277 dep_wl_protocols = null_dep
1278 dep_wayland_client = null_dep
1279 dep_wayland_server = null_dep
1280 wayland_dmabuf_xml = ''
1285 dep_xdamage = null_dep
1286 dep_xfixes = null_dep
1287 dep_x11_xcb = null_dep
1289 dep_xcb_glx = null_dep
1290 dep_xcb_dri2 = null_dep
1291 dep_xcb_dri3 = null_dep
1292 dep_dri2proto = null_dep
1293 dep_glproto = null_dep
1294 dep_xxf86vm = null_dep
1295 dep_xcb_dri3 = null_dep
1296 dep_xcb_present = null_dep
1297 dep_xcb_sync = null_dep
1298 dep_xcb_xfixes = null_dep
1299 dep_xshmfence = null_dep
1300 if with_platform_x11
1301 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1302 dep_x11 = dependency('x11')
1303 dep_xext = dependency('xext')
1304 dep_xcb = dependency('xcb')
1305 elif with_glx == 'dri'
1306 dep_x11 = dependency('x11')
1307 dep_xext = dependency('xext')
1308 dep_xdamage = dependency('xdamage', version : '>= 1.1')
1309 dep_xfixes = dependency('xfixes')
1310 dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
1311 dep_xxf86vm = dependency('xxf86vm', required : false)
1313 if (with_any_vk or with_glx == 'dri' or
1314 (with_gallium_vdpau or with_gallium_xvmc or with_gallium_va or
1315 with_gallium_omx != 'disabled'))
1316 dep_xcb = dependency('xcb')
1317 dep_x11_xcb = dependency('x11-xcb')
1319 if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
1320 dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
1323 pre_args += '-DHAVE_DRI3'
1324 dep_xcb_dri3 = dependency('xcb-dri3')
1325 dep_xcb_present = dependency('xcb-present')
1326 # until xcb-dri3 has been around long enough to make a hard-dependency:
1327 if (dep_xcb_dri3.version().version_compare('>= 1.13') and
1328 dep_xcb_present.version().version_compare('>= 1.13'))
1329 pre_args += '-DHAVE_DRI3_MODIFIERS'
1331 dep_xcb_sync = dependency('xcb-sync')
1332 dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
1335 if with_glx == 'dri'
1336 if with_dri_platform == 'drm'
1337 dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
1339 dep_glproto = dependency('glproto', version : '>= 1.4.14')
1342 with_gallium_vdpau or with_gallium_xvmc or with_gallium_xa or
1343 with_gallium_omx != 'disabled'))
1344 dep_xcb_xfixes = dependency('xcb-xfixes')
1348 if get_option('gallium-extra-hud')
1349 pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
1352 _sensors = get_option('lmsensors')
1353 if _sensors != 'false'
1354 dep_lmsensors = cc.find_library('libsensors', required : _sensors == 'true')
1355 if dep_lmsensors.found()
1356 pre_args += '-DHAVE_LIBSENSORS=1'
1359 dep_lmsensors = null_dep
1362 foreach a : pre_args
1363 add_project_arguments(a, language : ['c', 'cpp'])
1366 add_project_arguments(a, language : ['c'])
1368 foreach a : cpp_args
1369 add_project_arguments(a, language : ['cpp'])
1372 inc_include = include_directories('include')
1376 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1377 gl_priv_reqs += ['x11', 'xext', 'xcb']
1378 elif with_glx == 'dri'
1380 'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
1382 if with_dri_platform == 'drm'
1383 gl_priv_reqs += 'xcb-dri2 >= 1.8'
1386 if dep_libdrm.found()
1387 gl_priv_reqs += 'libdrm >= 2.4.75'
1389 if dep_xxf86vm.found()
1390 gl_priv_reqs += 'xxf86vm'
1394 if dep_thread.found()
1395 gl_priv_libs += ['-lpthread', '-pthread']
1398 gl_priv_libs += '-lm'
1401 gl_priv_libs += '-ldl'
1404 pkg = import('pkgconfig')
1406 env_test = environment()
1407 env_test.set('NM', find_program('nm').path())