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', 'xvmc']
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
266 elif with_platform_x11 and with_any_opengl and not with_any_vk
267 # The automatic behavior should not be to turn on xlib based glx when
268 # building only vulkan drivers
271 with_glx = 'disabled'
280 if not (with_dri or with_gallium or with_glx == 'xlib' or with_glx == 'gallium-xlib')
284 with_any_opengl = false
285 with_shared_glapi = false
288 _gbm = get_option('gbm')
290 with_gbm = system_has_kms_drm and with_dri
292 with_gbm = _gbm == 'true'
294 if with_gbm and not system_has_kms_drm
295 error('GBM only supports DRM/KMS platforms')
298 _egl = get_option('egl')
300 with_egl = with_dri and with_shared_glapi and with_platforms
303 error('EGL requires dri')
304 elif not with_shared_glapi
305 error('EGL requires shared-glapi')
306 elif not with_platforms
307 error('No platforms specified, consider -Dplatforms=drm,x11 at least')
308 elif not ['disabled', 'dri'].contains(with_glx)
309 error('EGL requires dri, but a GLX is being built without dri')
316 if with_egl and not (with_platform_drm or with_platform_surfaceless)
317 if with_gallium_radeonsi
318 error('RadeonSI requires drm or surfaceless platform when using EGL')
320 if with_gallium_virgl
321 error('Virgl requires drm or surfaceless platform when using EGL')
325 pre_args += '-DGLX_USE_TLS'
326 if with_glx != 'disabled'
327 if not (with_platform_x11 and with_any_opengl)
328 error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
329 elif with_glx == 'gallium-xlib'
331 error('Gallium-xlib based GLX requires at least one gallium driver')
332 elif not with_gallium_softpipe
333 error('Gallium-xlib based GLX requires softpipe or llvmpipe.')
335 error('gallium-xlib conflicts with any dri driver')
337 elif with_glx == 'xlib'
339 error('xlib conflicts with any dri driver')
341 elif with_glx == 'dri'
343 error('dri based GLX requires at least one DRI driver')
344 elif not with_shared_glapi
345 error('dri based GLX requires shared-glapi')
350 with_glvnd = get_option('glvnd')
352 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
353 error('Cannot build glvnd support for GLX that is not DRI based.')
354 elif with_glx == 'disabled' and not with_egl
355 error('glvnd requires DRI based GLX and/or EGL')
359 # TODO: toggle for this
360 with_glx_direct = true
362 if with_vulkan_icd_dir == ''
363 with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
366 with_dri2 = (with_dri or with_any_vk) and with_dri_platform == 'drm'
367 _dri3 = get_option('dri3')
369 with_dri3 = system_has_kms_drm and with_dri2
371 with_dri3 = _dri3 == 'true'
374 if with_any_vk and (with_platform_x11 and not with_dri3)
375 error('Vulkan drivers require dri3 for X11 support')
377 if with_dri or with_gallium
378 if with_glx == 'disabled' and not with_egl and not with_platform_haiku
379 error('building dri or gallium drivers require at least one window system')
383 prog_pkgconfig = find_program('pkg-config')
385 _vdpau = get_option('gallium-vdpau')
386 if not system_has_kms_drm
388 error('VDPAU state tracker can only be build on unix-like OSes.')
392 elif not with_platform_x11
394 error('VDPAU state tracker requires X11 support.')
398 elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
399 with_gallium_nouveau)
401 error('VDPAU state tracker requires at least one of the following gallium drivers: r300, r600, radeonsi, nouveau.')
407 with_gallium_vdpau = false
409 dep_vdpau = dependency('vdpau', version : '>= 1.1', required : _vdpau == 'true')
411 dep_vdpau = declare_dependency(
412 compile_args : run_command(prog_pkgconfig, ['vdpau', '--cflags']).stdout().split()
414 with_gallium_vdpau = true
418 if with_gallium_vdpau
419 pre_args += '-DHAVE_ST_VDPAU'
421 vdpau_drivers_path = get_option('vdpau-libs-path')
422 if vdpau_drivers_path == ''
423 vdpau_drivers_path = join_paths(get_option('libdir'), 'vdpau')
426 _xvmc = get_option('gallium-xvmc')
427 if not system_has_kms_drm
429 error('XVMC state tracker can only be build on unix-like OSes.')
433 elif not with_platform_x11
435 error('XVMC state tracker requires X11 support.')
439 elif not (with_gallium_r600 or with_gallium_nouveau)
441 error('XVMC state tracker requires at least one of the following gallium drivers: r600, nouveau.')
447 with_gallium_xvmc = false
449 dep_xvmc = dependency('xvmc', version : '>= 1.0.6', required : _xvmc == 'true')
450 with_gallium_xvmc = dep_xvmc.found()
453 xvmc_drivers_path = get_option('xvmc-libs-path')
454 if xvmc_drivers_path == ''
455 xvmc_drivers_path = get_option('libdir')
458 _omx = get_option('gallium-omx')
459 if not system_has_kms_drm
460 if ['auto', 'disabled'].contains(_omx)
463 error('OMX state tracker can only be built on unix-like OSes.')
465 elif not (with_platform_x11 or with_platform_drm)
466 if ['auto', 'disabled'].contains(_omx)
469 error('OMX state tracker requires X11 or drm platform support.')
471 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
472 if ['auto', 'disabled'].contains(_omx)
475 error('OMX state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
478 with_gallium_omx = _omx
481 if ['auto', 'bellagio'].contains(_omx)
482 dep_omx = dependency(
483 'libomxil-bellagio', required : _omx == 'bellagio'
486 with_gallium_omx = 'bellagio'
489 if ['auto', 'tizonia'].contains(_omx)
490 if with_dri and with_egl
491 dep_omx = dependency(
492 'libtizonia', version : '>= 0.10.0',
493 required : _omx == 'tizonia',
496 dependency('libtizplatform', required : _omx == 'tizonia'),
497 dependency('tizilheaders', required : _omx == 'tizonia'),
499 if dep_omx.found() and dep_omx_other[0].found() and dep_omx_other[1].found()
500 with_gallium_omx = 'tizonia'
502 elif _omx == 'tizonia'
503 error('OMX-Tizonia state tracker requires dri and egl')
507 with_gallium_omx = 'disabled'
509 with_gallium_omx = _omx
513 '-DENABLE_ST_OMX_BELLAGIO=' + (with_gallium_omx == 'bellagio' ? '1' : '0'),
514 '-DENABLE_ST_OMX_TIZONIA=' + (with_gallium_omx == 'tizonia' ? '1' : '0'),
518 omx_drivers_path = get_option('omx-libs-path')
520 if with_gallium_omx != 'disabled'
521 # Figure out where to put the omx driver.
522 # FIXME: this could all be vastly simplified by adding a 'defined_variable'
523 # argument to meson's get_pkgconfig_variable method.
524 if omx_drivers_path == ''
525 _omx_libdir = dep_omx.get_pkgconfig_variable('libdir')
526 _omx_drivers_dir = dep_omx.get_pkgconfig_variable('pluginsdir')
527 if _omx_libdir == get_option('libdir')
528 omx_drivers_path = _omx_drivers_dir
531 # This will fail on windows. Does OMX run on windows?
532 _omx_libdir = _omx_libdir.split('/')
533 _omx_drivers_dir = _omx_drivers_dir.split('/')
534 foreach o : _omx_drivers_dir
535 if not _omx_libdir.contains(o)
539 omx_drivers_path = join_paths(get_option('libdir'), _omx_base_dir)
544 _va = get_option('gallium-va')
545 if not system_has_kms_drm
547 error('VA state tracker can only be built on unix-like OSes.')
551 elif not (with_platform_x11 or with_platform_drm)
553 error('VA state tracker requires X11 or drm or wayland platform support.')
557 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
559 error('VA state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
566 with_gallium_va = false
569 dep_va = dependency('libva', version : '>= 0.38.0', required : _va == 'true')
571 dep_va_headers = declare_dependency(
572 compile_args : run_command(prog_pkgconfig, ['libva', '--cflags']).stdout().split()
574 with_gallium_va = true
578 va_drivers_path = get_option('va-libs-path')
579 if va_drivers_path == ''
580 va_drivers_path = join_paths(get_option('libdir'), 'dri')
583 _xa = get_option('gallium-xa')
584 if not system_has_kms_drm
586 error('XA state tracker can only be built on unix-like OSes.')
590 elif not (with_gallium_nouveau or with_gallium_freedreno or with_gallium_i915
591 or with_gallium_svga)
593 error('XA state tracker requires at least one of the following gallium drivers: nouveau, freedreno, i915, svga.')
598 with_gallium_xa = _xa != 'false'
600 d3d_drivers_path = get_option('d3d-drivers-path')
601 if d3d_drivers_path == ''
602 d3d_drivers_path = join_paths(get_option('libdir'), 'd3d')
605 with_gallium_st_nine = get_option('gallium-nine')
606 if with_gallium_st_nine
607 if not with_gallium_softpipe
608 error('The nine state tracker requires gallium softpipe/llvmpipe.')
609 elif not (with_gallium_radeonsi or with_gallium_nouveau or with_gallium_r600
610 or with_gallium_r300 or with_gallium_svga or with_gallium_i915)
611 error('The nine state tracker requires at least on non-swrast gallium driver.')
614 error('Using nine with wine requires dri3')
618 if get_option('power8') != 'false'
619 if host_machine.cpu_family() == 'ppc64le'
620 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.8')
621 error('Altivec is not supported with gcc version < 4.8.')
626 vector unsigned char r;
627 vector unsigned int v = vec_splat_u32 (1);
628 r = __builtin_vec_vgbbd ((vector unsigned char) v);
631 args : '-mpower8-vector',
632 name : 'POWER8 intrinsics')
633 pre_args += ['-D_ARCH_PWR8', '-mpower8-vector']
634 elif get_option('power8') == 'true'
635 error('POWER8 intrinsic support required but not found.')
640 _opencl = get_option('gallium-opencl')
641 if _opencl != 'disabled'
643 error('OpenCL Clover implementation requires at least one gallium driver.')
646 dep_clc = dependency('libclc')
647 with_gallium_opencl = true
648 with_opencl_icd = _opencl == 'icd'
651 with_gallium_opencl = false
652 with_gallium_icd = false
655 gl_pkgconfig_c_flags = []
657 if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
658 pre_args += '-DHAVE_X11_PLATFORM'
660 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
661 pre_args += '-DUSE_XSHM'
663 pre_args += '-DGLX_INDIRECT_RENDERING'
665 pre_args += '-DGLX_DIRECT_RENDERING'
667 if with_dri_platform == 'drm'
668 pre_args += '-DGLX_USE_DRM'
669 elif with_dri_platform == 'apple'
670 pre_args += '-DGLX_USE_APPLEGL'
671 elif with_dri_platform == 'windows'
672 pre_args += '-DGLX_USE_WINDOWSGL'
676 pre_args += '-DMESA_EGL_NO_X11_HEADERS'
677 gl_pkgconfig_c_flags += '-DMESA_EGL_NO_X11_HEADERS'
680 if with_egl and not with_gbm
681 error('EGL drm platform requires gbm')
683 pre_args += '-DHAVE_DRM_PLATFORM'
685 if with_platform_surfaceless
686 pre_args += '-DHAVE_SURFACELESS_PLATFORM'
688 if with_platform_android
690 dependency('cutils'),
691 dependency('hardware'),
694 pre_args += '-DHAVE_ANDROID_PLATFORM'
696 if with_platform_haiku
697 pre_args += '-DHAVE_HAIKU_PLATFORM'
700 prog_python2 = find_program('python2')
701 has_mako = run_command(prog_python2, '-c', 'import mako')
702 if has_mako.returncode() != 0
703 error('Python (2.x) mako module required to build mesa.')
706 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
707 error('When using GCC, version 4.4.6 or later is required.')
710 # Define DEBUG for debug builds only (debugoptimized is not included on this one)
711 if get_option('buildtype') == 'debug'
712 pre_args += '-DDEBUG'
715 if get_option('shader-cache')
716 pre_args += '-DENABLE_SHADER_CACHE'
718 error('Radv requires shader cache support')
721 # Check for GCC style builtins
722 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
723 'ffsll', 'popcount', 'popcountll', 'unreachable']
724 if cc.has_function(b)
725 pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
729 # check for GCC __attribute__
730 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
731 'warn_unused_result', 'weak',]
732 if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
733 name : '__attribute__((@0@))'.format(a))
734 pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
737 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
738 name : '__attribute__((format(...)))')
739 pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
741 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
742 name : '__attribute__((packed))')
743 pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
745 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
746 name : '__attribute__((returns_nonnull))')
747 pre_args += '-DHAVE_FUNC_ATTRIBUTE_RETURNS_NONNULL'
749 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
750 int foo_hid(void) __attribute__((visibility("hidden")));
751 int foo_int(void) __attribute__((visibility("internal")));
752 int foo_pro(void) __attribute__((visibility("protected")));''',
753 name : '__attribute__((visibility(...)))')
754 pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISIBILITY'
756 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
757 name : '__attribute__((alias(...)))')
758 pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
760 if cc.compiles('int foo(void) __attribute__((__noreturn__));',
761 name : '__attribute__((__noreturn__))')
762 pre_args += '-DHAVE_FUNC_ATTRIBUTE_NORETURN'
765 # TODO: this is very incomplete
766 if ['linux', 'cygwin'].contains(host_machine.system())
767 pre_args += '-D_GNU_SOURCE'
770 # Check for generic C arguments
772 foreach a : ['-Wall', '-Werror=implicit-function-declaration',
773 '-Werror=missing-prototypes', '-fno-math-errno',
774 '-fno-trapping-math', '-Qunused-arguments']
775 if cc.has_argument(a)
779 if cc.has_argument('-Wmissing-field-initializers')
780 c_args += '-Wno-missing-field-initializers'
784 if cc.has_argument('-fvisibility=hidden')
785 c_vis_args += '-fvisibility=hidden'
788 # Check for generic C++ arguments
790 foreach a : ['-Wall', '-fno-math-errno', '-fno-trapping-math',
791 '-Qunused-arguments']
792 if cpp.has_argument(a)
797 # For some reason, the test for -Wno-foo always succeeds with gcc, even if the
798 # option is not supported. Hence, check for -Wfoo instead.
800 foreach a : ['non-virtual-dtor', 'missing-field-initializers']
801 if cpp.has_argument('-W' + a)
802 cpp_args += '-Wno-' + a
806 no_override_init_args = []
807 foreach a : ['override-init', 'initializer-overrides']
808 if cc.has_argument('-W' + a)
809 no_override_init_args += '-Wno-' + a
814 if cpp.has_argument('-fvisibility=hidden')
815 cpp_vis_args += '-fvisibility=hidden'
818 # Check for C and C++ arguments for MSVC2013 compatibility. These are only used
819 # in parts of the mesa code base that need to compile with old versions of
820 # MSVC, mainly common code
821 c_msvc_compat_args = []
822 cpp_msvc_compat_args = []
823 foreach a : ['-Werror=pointer-arith', '-Werror=vla']
824 if cc.has_argument(a)
825 c_msvc_compat_args += a
827 if cpp.has_argument(a)
828 cpp_msvc_compat_args += a
832 if host_machine.cpu_family().startswith('x86')
833 pre_args += '-DUSE_SSE41'
835 sse41_args = ['-msse4.1']
837 # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
838 # that's not guaranteed
839 if host_machine.cpu_family() == 'x86'
840 sse41_args += '-mstackrealign'
847 # Check for GCC style atomics
848 dep_atomic = null_dep
850 if cc.compiles('''#include <stdint.h>
855 return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
856 (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
859 name : 'GCC atomic builtins')
860 pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
862 # Not all atomic calls can be turned into lock-free instructions, in which
863 # GCC will make calls into the libatomic library. Check whether we need to
864 # link with -latomic.
866 # This can happen for 64-bit atomic operations on 32-bit architectures such
868 if not cc.links('''#include <stdint.h>
873 return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
874 (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
876 name : 'GCC atomic builtins required -latomic')
877 dep_atomic = cc.find_library('atomic')
880 if not cc.links('''#include <stdint.h>
883 return __sync_add_and_fetch(&v, (uint64_t)1);
885 name : 'GCC 64bit atomics')
886 pre_args += '-DMISSING_64_BIT_ATOMICS'
889 # TODO: shared/static? Is this even worth doing?
891 # When cross compiling we generally need to turn off the use of assembly,
892 # because mesa's assembly relies on building an executable for the host system,
893 # and running it to get information about struct sizes. There is at least one
894 # case of cross compiling where we can use asm, and that's x86_64 -> x86 when
895 # host OS == build OS, since in that case the build machine can run the host's
897 if meson.is_cross_build()
898 if build_machine.system() != host_machine.system()
899 # TODO: It may be possible to do this with an exe_wrapper (like wine).
900 message('Cross compiling from one OS to another, disabling assembly.')
902 elif not (build_machine.cpu_family().startswith('x86') and host_machine.cpu_family() == 'x86')
903 # FIXME: Gentoo always sets -m32 for x86_64 -> x86 builds, resulting in an
904 # x86 -> x86 cross compile. We use startswith rather than == to handle this
906 # TODO: There may be other cases where the 64 bit version of the
907 # architecture can run 32 bit binaries (aarch64 and armv7 for example)
909 Cross compiling to different architectures, and the host cannot run
910 the build machine's binaries. Disabling assembly.
918 if host_machine.cpu_family() == 'x86'
919 if system_has_kms_drm
920 with_asm_arch = 'x86'
921 pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
924 if with_glx_read_only_text
925 pre_args += ['-DGLX_X86_READONLY_TEXT']
928 elif host_machine.cpu_family() == 'x86_64'
929 if system_has_kms_drm
930 with_asm_arch = 'x86_64'
931 pre_args += ['-DUSE_X86_64_ASM']
933 elif host_machine.cpu_family() == 'arm'
934 if system_has_kms_drm
935 with_asm_arch = 'arm'
936 pre_args += ['-DUSE_ARM_ASM']
938 elif host_machine.cpu_family() == 'aarch64'
939 if system_has_kms_drm
940 with_asm_arch = 'aarch64'
941 pre_args += ['-DUSE_AARCH64_ASM']
943 elif host_machine.cpu_family() == 'sparc64'
944 if system_has_kms_drm
945 with_asm_arch = 'sparc'
946 pre_args += ['-DUSE_SPARC_ASM']
948 elif host_machine.cpu_family() == 'ppc64le'
949 if system_has_kms_drm
950 with_asm_arch = 'ppc64le'
951 pre_args += ['-DUSE_PPC64LE_ASM']
956 # Check for standard headers and functions
957 if cc.has_header_symbol('sys/sysmacros.h', 'major')
958 pre_args += '-DMAJOR_IN_SYSMACROS'
959 elif cc.has_header_symbol('sys/mkdev.h', 'major')
960 pre_args += '-DMAJOR_IN_MKDEV'
963 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h', 'endian.h', 'dlfcn.h']
964 if cc.compiles('#include <@0@>'.format(h), name : '@0@'.format(h))
965 pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
969 foreach f : ['strtof', 'mkostemp', 'posix_memalign', 'timespec_get', 'memfd_create']
970 if cc.has_function(f)
971 pre_args += '-DHAVE_@0@'.format(f.to_upper())
975 # strtod locale support
980 #ifdef HAVE_XLOCALE_H
984 locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
985 const char *s = "1.0";
987 double d = strtod_l(s, end, loc);
988 float f = strtof_l(s, end, loc);
993 name : 'strtod has locale support')
994 pre_args += '-DHAVE_STRTOD_L'
997 # Check for some linker flags
998 ld_args_bsymbolic = []
999 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
1000 ld_args_bsymbolic += '-Wl,-Bsymbolic'
1002 ld_args_gc_sections = []
1003 if cc.links('static char unused() { return 5; } int main() { return 0; }',
1004 args : '-Wl,--gc-sections', name : 'gc-sections')
1005 ld_args_gc_sections += '-Wl,--gc-sections'
1007 with_ld_version_script = false
1008 if cc.links('int main() { return 0; }',
1009 args : '-Wl,--version-script=@0@'.format(
1010 join_paths(meson.source_root(), 'build-support/conftest.map')),
1011 name : 'version-script')
1012 with_ld_version_script = true
1014 with_ld_dynamic_list = false
1015 if cc.links('int main() { return 0; }',
1016 args : '-Wl,--dynamic-list=@0@'.format(
1017 join_paths(meson.source_root(), 'build-support/conftest.dyn')),
1018 name : 'dynamic-list')
1019 with_ld_dynamic_list = true
1021 ld_args_build_id = []
1022 if build_machine.system() != 'darwin'
1023 ld_args_build_id += '-Wl,--build-id=sha1'
1026 # check for dl support
1027 if cc.has_function('dlopen')
1030 dep_dl = cc.find_library('dl')
1032 if cc.has_function('dladdr', dependencies : dep_dl)
1033 # This is really only required for megadrivers
1034 pre_args += '-DHAVE_DLADDR'
1037 if cc.has_function('dl_iterate_phdr')
1038 pre_args += '-DHAVE_DL_ITERATE_PHDR'
1040 error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
1041 elif with_dri_i965 and get_option('shader-cache')
1042 error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
1045 # Determine whether or not the rt library is needed for time functions
1046 if cc.has_function('clock_gettime')
1047 dep_clock = null_dep
1049 dep_clock = cc.find_library('rt')
1052 # TODO: some of these may be conditional
1053 dep_zlib = dependency('zlib', version : '>= 1.2.3')
1054 pre_args += '-DHAVE_ZLIB'
1055 dep_thread = dependency('threads')
1056 if dep_thread.found() and host_machine.system() != 'windows'
1057 pre_args += '-DHAVE_PTHREAD'
1059 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600 or with_gallium_opencl
1060 dep_elf = dependency('libelf', required : false)
1061 if not dep_elf.found()
1062 dep_elf = cc.find_library('elf')
1067 dep_expat = dependency('expat')
1068 # this only exists on linux so either this is linux and it will be found, or
1069 # its not linux and and wont
1070 dep_m = cc.find_library('m', required : false)
1072 # Check for libdrm. various drivers have different libdrm version requirements,
1073 # but we always want to use the same version for all libdrm modules. That means
1074 # even if driver foo requires 2.4.0 and driver bar requires 2.4.3, if foo and
1075 # bar are both on use 2.4.3 for both of them
1076 dep_libdrm_amdgpu = null_dep
1077 dep_libdrm_radeon = null_dep
1078 dep_libdrm_nouveau = null_dep
1079 dep_libdrm_etnaviv = null_dep
1080 dep_libdrm_freedreno = null_dep
1081 dep_libdrm_intel = null_dep
1083 _drm_amdgpu_ver = '2.4.93'
1084 _drm_radeon_ver = '2.4.71'
1085 _drm_nouveau_ver = '2.4.66'
1086 _drm_etnaviv_ver = '2.4.89'
1087 _drm_freedreno_ver = '2.4.92'
1088 _drm_intel_ver = '2.4.75'
1092 ['intel', with_dri_i915 or with_gallium_i915],
1093 ['amdgpu', with_amd_vk or with_gallium_radeonsi],
1094 ['radeon', (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
1095 with_gallium_r300 or with_gallium_r600)],
1096 ['nouveau', (with_gallium_nouveau or with_dri_nouveau)],
1097 ['etnaviv', with_gallium_etnaviv],
1098 ['freedreno', with_gallium_freedreno],
1101 # VC4 only needs core libdrm support of this version, not a libdrm_vc4
1107 # Loop over the enables versions and get the highest libdrm requirement for all
1109 foreach d : _libdrm_checks
1110 ver = get_variable('_drm_@0@_ver'.format(d[0]))
1111 if d[1] and ver.version_compare('>' + _drm_ver)
1116 # Then get each libdrm module
1117 foreach d : _libdrm_checks
1120 'dep_libdrm_' + d[0],
1121 dependency('libdrm_' + d[0], version : '>=' + _drm_ver)
1126 with_gallium_drisw_kms = false
1127 dep_libdrm = dependency(
1128 'libdrm', version : '>=' + _drm_ver,
1129 required : with_dri2 or with_dri3
1131 if dep_libdrm.found()
1132 pre_args += '-DHAVE_LIBDRM'
1133 if with_dri_platform == 'drm' and with_dri
1134 with_gallium_drisw_kms = true
1138 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
1139 llvm_optional_modules = []
1140 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
1141 llvm_modules += ['amdgpu', 'bitreader', 'ipo']
1142 if with_gallium_r600
1143 llvm_modules += 'asmparser'
1146 if with_gallium_opencl
1148 'all-targets', 'linker', 'coverage', 'instrumentation', 'ipo', 'irreader',
1149 'lto', 'option', 'objcarcopts', 'profiledata',
1151 llvm_optional_modules += ['coroutines', 'opencl']
1154 if with_amd_vk or with_gallium_radeonsi
1155 _llvm_version = '>= 6.0.0'
1156 elif with_gallium_swr
1157 _llvm_version = '>= 5.0.0'
1158 elif with_gallium_opencl or with_gallium_r600
1159 _llvm_version = '>= 3.9.0'
1161 _llvm_version = '>= 3.3.0'
1164 _llvm = get_option('llvm')
1166 dep_llvm = dependency(
1168 version : _llvm_version,
1169 modules : llvm_modules,
1170 optional_modules : llvm_optional_modules,
1171 required : with_amd_vk or with_gallium_radeonsi or with_gallium_swr or with_gallium_opencl,
1173 with_llvm = dep_llvm.found()
1174 elif _llvm == 'true'
1175 dep_llvm = dependency(
1177 version : _llvm_version,
1178 modules : llvm_modules,
1179 optional_modules : llvm_optional_modules,
1187 _llvm_version = dep_llvm.version().split('.')
1188 # Development versions of LLVM have an 'svn' or 'git' suffix, we don't want
1189 # that for our version checks.
1190 # svn suffixes are stripped by meson as of 0.43, and git suffixes are
1191 # strippped as of 0.44, but we support older meson versions.
1193 # 3 digits versions in LLVM only started from 3.4.1 on
1194 if dep_llvm.version().version_compare('>= 3.4.1')
1195 _llvm_patch = _llvm_version[2]
1200 if _llvm_patch.endswith('svn')
1201 _llvm_patch = _llvm_patch.split('s')[0]
1202 elif _llvm_patch.contains('git')
1203 _llvm_patch = _llvm_patch.split('g')[0]
1206 '-DHAVE_LLVM=0x0@0@0@1@'.format(_llvm_version[0], _llvm_version[1]),
1207 '-DMESA_LLVM_VERSION_PATCH=@0@'.format(_llvm_patch),
1210 # LLVM can be built without rtti, turning off rtti changes the ABI of C++
1211 # programs, so we need to build all C++ code in mesa without rtti as well to
1212 # ensure that linking works.
1213 if dep_llvm.get_configtool_variable('has-rtti') == 'NO'
1214 cpp_args += '-fno-rtti'
1216 elif with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1217 error('The following drivers require LLVM: Radv, RadeonSI, SWR. One of these is enabled, but LLVM is disabled.')
1220 dep_glvnd = null_dep
1222 dep_glvnd = dependency('libglvnd', version : '>= 0.2.0')
1223 pre_args += '-DUSE_LIBGLVND=1'
1226 if with_valgrind != 'false'
1227 dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
1228 if dep_valgrind.found()
1229 pre_args += '-DHAVE_VALGRIND'
1232 dep_valgrind = null_dep
1235 # pthread stubs. Lets not and say we didn't
1237 prog_bison = find_program('bison', required : with_any_opengl)
1238 prog_flex = find_program('flex', required : with_any_opengl)
1240 dep_selinux = null_dep
1241 if get_option('selinux')
1242 dep_selinux = dependency('libselinux')
1243 pre_args += '-DMESA_SELINUX'
1246 if with_libunwind != 'false'
1247 dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
1248 if dep_unwind.found()
1249 pre_args += '-DHAVE_LIBUNWIND'
1252 dep_unwind = null_dep
1255 if with_osmesa != 'none'
1256 if with_osmesa == 'classic' and not with_dri_swrast
1257 error('OSMesa classic requires dri (classic) swrast.')
1259 if with_osmesa == 'gallium' and not with_gallium_softpipe
1260 error('OSMesa gallium requires gallium softpipe or llvmpipe.')
1262 osmesa_lib_name = 'OSMesa'
1263 osmesa_bits = get_option('osmesa-bits')
1264 if osmesa_bits != '8'
1265 if with_dri or with_glx != 'disabled'
1266 error('OSMesa bits must be 8 if building glx or dir based drivers')
1268 osmesa_lib_name = osmesa_lib_name + osmesa_bits
1270 '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
1275 # TODO: symbol mangling
1277 if with_platform_wayland
1278 dep_wl_scanner = dependency('wayland-scanner', native: true)
1279 prog_wl_scanner = find_program(dep_wl_scanner.get_pkgconfig_variable('wayland_scanner'))
1280 if dep_wl_scanner.version().version_compare('>= 1.15')
1281 wl_scanner_arg = 'private-code'
1283 wl_scanner_arg = 'code'
1285 dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
1286 dep_wayland_client = dependency('wayland-client', version : '>=1.11')
1287 dep_wayland_server = dependency('wayland-server', version : '>=1.11')
1289 dep_wayland_egl = dependency('wayland-egl-backend', version : '>= 3')
1290 dep_wayland_egl_headers = declare_dependency(
1291 compile_args : run_command(prog_pkgconfig, ['wayland-egl-backend', '--cflags']).stdout().split())
1293 wayland_dmabuf_xml = join_paths(
1294 dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
1295 'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
1297 pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
1299 prog_wl_scanner = []
1301 dep_wl_protocols = null_dep
1302 dep_wayland_client = null_dep
1303 dep_wayland_server = null_dep
1304 wayland_dmabuf_xml = ''
1309 dep_xdamage = null_dep
1310 dep_xfixes = null_dep
1311 dep_x11_xcb = null_dep
1313 dep_xcb_glx = null_dep
1314 dep_xcb_dri2 = null_dep
1315 dep_xcb_dri3 = null_dep
1316 dep_dri2proto = null_dep
1317 dep_glproto = null_dep
1318 dep_xxf86vm = null_dep
1319 dep_xcb_dri3 = null_dep
1320 dep_xcb_present = null_dep
1321 dep_xcb_sync = null_dep
1322 dep_xcb_xfixes = null_dep
1323 dep_xshmfence = null_dep
1324 dep_xcb_xrandr = null_dep
1325 dep_xlib_xrandr = null_dep
1326 if with_platform_x11
1327 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1328 dep_x11 = dependency('x11')
1329 dep_xext = dependency('xext')
1330 dep_xcb = dependency('xcb')
1331 elif with_glx == 'dri'
1332 dep_x11 = dependency('x11')
1333 dep_xext = dependency('xext')
1334 dep_xdamage = dependency('xdamage', version : '>= 1.1')
1335 dep_xfixes = dependency('xfixes')
1336 dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
1337 dep_xxf86vm = dependency('xxf86vm', required : false)
1339 if (with_any_vk or with_glx == 'dri' or
1340 (with_gallium_vdpau or with_gallium_xvmc or with_gallium_va or
1341 with_gallium_omx != 'disabled'))
1342 dep_xcb = dependency('xcb')
1343 dep_x11_xcb = dependency('x11-xcb')
1345 if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
1346 dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
1349 pre_args += '-DHAVE_DRI3'
1350 dep_xcb_dri3 = dependency('xcb-dri3')
1351 dep_xcb_present = dependency('xcb-present')
1352 # until xcb-dri3 has been around long enough to make a hard-dependency:
1353 if (dep_xcb_dri3.version().version_compare('>= 1.13') and
1354 dep_xcb_present.version().version_compare('>= 1.13'))
1355 pre_args += '-DHAVE_DRI3_MODIFIERS'
1357 dep_xcb_sync = dependency('xcb-sync')
1358 dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
1361 if with_glx == 'dri'
1362 if with_dri_platform == 'drm'
1363 dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
1365 dep_glproto = dependency('glproto', version : '>= 1.4.14')
1368 with_gallium_vdpau or with_gallium_xvmc or with_gallium_xa or
1369 with_gallium_omx != 'disabled'))
1370 dep_xcb_xfixes = dependency('xcb-xfixes')
1373 dep_xcb_xrandr = dependency('xcb-randr', version : '>= 1.12')
1374 dep_xlib_xrandr = dependency('xrandr', version : '>= 1.3')
1378 if get_option('gallium-extra-hud')
1379 pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
1382 _sensors = get_option('lmsensors')
1383 if _sensors != 'false'
1384 dep_lmsensors = cc.find_library('libsensors', required : _sensors == 'true')
1385 if dep_lmsensors.found()
1386 pre_args += '-DHAVE_LIBSENSORS=1'
1389 dep_lmsensors = null_dep
1392 foreach a : pre_args
1393 add_project_arguments(a, language : ['c', 'cpp'])
1396 add_project_arguments(a, language : ['c'])
1398 foreach a : cpp_args
1399 add_project_arguments(a, language : ['cpp'])
1402 inc_include = include_directories('include')
1406 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1407 gl_priv_reqs += ['x11', 'xext', 'xcb']
1408 elif with_glx == 'dri'
1410 'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
1412 if with_dri_platform == 'drm'
1413 gl_priv_reqs += 'xcb-dri2 >= 1.8'
1416 if dep_libdrm.found()
1417 gl_priv_reqs += 'libdrm >= 2.4.75'
1419 if dep_xxf86vm.found()
1420 gl_priv_reqs += 'xxf86vm'
1424 if dep_thread.found()
1425 gl_priv_libs += ['-lpthread', '-pthread']
1428 gl_priv_libs += '-lm'
1431 gl_priv_libs += '-ldl'
1434 pkg = import('pkgconfig')
1436 env_test = environment()
1437 env_test.set('NM', find_program('nm').path())