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 null_dep = dependency('', required : false)
34 system_has_kms_drm = ['openbsd', 'netbsd', 'freebsd', 'dragonfly', 'linux'].contains(host_machine.system())
36 # Arguments for the preprocessor, put these in a separate array from the C and
37 # C++ (cpp in meson terminology) arguments since they need to be added to the
38 # default arguments for both C and C++.
40 '-D__STDC_CONSTANT_MACROS',
41 '-D__STDC_FORMAT_MACROS',
42 '-D__STDC_LIMIT_MACROS',
43 '-DVERSION="@0@"'.format(meson.project_version()),
44 '-DPACKAGE_VERSION=VERSION',
45 '-DPACKAGE_BUGREPORT="https://bugs.freedesktop.org/enter_bug.cgi?product=Mesa"',
48 with_vulkan_icd_dir = get_option('vulkan-icd-dir')
49 with_tests = get_option('build-tests')
50 with_valgrind = get_option('valgrind')
51 with_libunwind = get_option('libunwind')
52 with_asm = get_option('asm')
53 with_osmesa = get_option('osmesa')
54 with_swr_arches = get_option('swr-arches')
55 with_tools = get_option('tools')
56 if with_tools.contains('all')
57 with_tools = ['freedreno', 'glsl', 'intel', 'nir', 'nouveau']
59 if get_option('texture-float')
60 pre_args += '-DTEXTURE_FLOAT_ENABLED'
61 warning('Floating-point texture enabled. Please consult docs/patents.txt and your lawyer before building mesa.')
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 with_glx = get_option('glx')
251 if with_glx == 'auto'
254 elif with_platform_haiku
255 with_glx = 'disabled'
257 # Even when building just gallium drivers the user probably wants dri
260 elif with_platform_x11 and with_any_opengl and not with_any_vk
261 # The automatic behavior should not be to turn on xlib based glx when
262 # building only vulkan drivers
265 with_glx = 'disabled'
269 if not (with_dri or with_gallium or with_glx == 'xlib' or with_glx == 'gallium-xlib')
273 with_any_opengl = false
274 with_shared_glapi = false
277 _gbm = get_option('gbm')
279 with_gbm = system_has_kms_drm and with_dri
281 with_gbm = _gbm == 'true'
283 if with_gbm and not system_has_kms_drm
284 error('GBM only supports DRM/KMS platforms')
287 _egl = get_option('egl')
289 with_egl = with_dri and with_shared_glapi and with_platforms
292 error('EGL requires dri')
293 elif not with_shared_glapi
294 error('EGL requires shared-glapi')
296 error('No platforms specified, consider -Dplatforms=drm,x11 at least')
297 elif not ['disabled', 'dri'].contains(with_glx)
298 error('EGL requires dri, but a GLX is being built without dri')
305 if with_egl and not (with_platform_drm or with_platform_surfaceless)
306 if with_gallium_radeonsi
307 error('RadeonSI requires drm or surfaceless platform when using EGL')
309 if with_gallium_virgl
310 error('Virgl requires drm or surfaceless platform when using EGL')
314 pre_args += '-DGLX_USE_TLS'
315 if with_glx != 'disabled'
316 if not (with_platform_x11 and with_any_opengl)
317 error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
318 elif with_glx == 'gallium-xlib'
320 error('Gallium-xlib based GLX requires at least one gallium driver')
321 elif not with_gallium_softpipe
322 error('Gallium-xlib based GLX requires softpipe or llvmpipe.')
324 error('gallium-xlib conflicts with any dri driver')
326 elif with_glx == 'xlib'
328 error('xlib conflicts with any dri driver')
330 elif with_glx == 'dri'
332 error('dri based GLX requires at least one DRI driver')
333 elif not with_shared_glapi
334 error('dri based GLX requires shared-glapi')
339 with_glvnd = get_option('glvnd')
341 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
342 error('Cannot build glvnd support for GLX that is not DRI based.')
343 elif with_glx == 'disabled' and not with_egl
344 error('glvnd requires DRI based GLX and/or EGL')
348 # TODO: toggle for this
349 with_glx_direct = true
351 if with_vulkan_icd_dir == ''
352 with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
355 with_dri2 = (with_dri or with_any_vk) and with_dri_platform == 'drm'
356 _dri3 = get_option('dri3')
358 with_dri3 = system_has_kms_drm and with_dri2
360 with_dri3 = _dri3 == 'true'
363 if with_any_vk and (with_platform_x11 and not with_dri3)
364 error('Vulkan drivers require dri3 for X11 support')
366 if with_dri or with_gallium
367 if with_glx == 'disabled' and not with_egl and not with_platform_haiku
368 error('building dri or gallium drivers require at least one window system')
372 prog_pkgconfig = find_program('pkg-config')
374 _vdpau = get_option('gallium-vdpau')
375 if not system_has_kms_drm
377 error('VDPAU state tracker can only be build on unix-like OSes.')
381 elif not with_platform_x11
383 error('VDPAU state tracker requires X11 support.')
387 elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
388 with_gallium_nouveau)
390 error('VDPAU state tracker requires at least one of the following gallium drivers: r300, r600, radeonsi, nouveau.')
394 elif _vdpau == 'auto'
397 with_gallium_vdpau = _vdpau == 'true'
399 if with_gallium_vdpau
400 dep_vdpau = dependency('vdpau', version : '>= 1.1')
401 dep_vdpau = declare_dependency(
402 compile_args : run_command(prog_pkgconfig, ['vdpau', '--cflags']).stdout().split()
406 if with_gallium_vdpau
407 pre_args += '-DHAVE_ST_VDPAU'
409 vdpau_drivers_path = get_option('vdpau-libs-path')
410 if vdpau_drivers_path == ''
411 vdpau_drivers_path = join_paths(get_option('libdir'), 'vdpau')
414 _xvmc = get_option('gallium-xvmc')
415 if not system_has_kms_drm
417 error('XVMC state tracker can only be build on unix-like OSes.')
421 elif not with_platform_x11
423 error('XVMC state tracker requires X11 support.')
427 elif not (with_gallium_r600 or with_gallium_nouveau)
429 error('XVMC state tracker requires at least one of the following gallium drivers: r600, nouveau.')
436 with_gallium_xvmc = _xvmc == 'true'
439 dep_xvmc = dependency('xvmc', version : '>= 1.0.6')
442 xvmc_drivers_path = get_option('xvmc-libs-path')
443 if xvmc_drivers_path == ''
444 xvmc_drivers_path = get_option('libdir')
447 _omx = get_option('gallium-omx')
448 if not system_has_kms_drm
449 if ['auto', 'disabled'].contains(_omx)
452 error('OMX state tracker can only be built on unix-like OSes.')
454 elif not (with_platform_x11 or with_platform_drm)
455 if ['auto', 'disabled'].contains(_omx)
458 error('OMX state tracker requires X11 or drm platform support.')
460 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
461 if ['auto', 'disabled'].contains(_omx)
464 error('OMX state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
467 with_gallium_omx = _omx
470 if ['auto', 'bellagio'].contains(_omx)
471 dep_omx = dependency(
472 'libomxil-bellagio', required : _omx == 'bellagio'
475 with_gallium_omx = 'bellagio'
478 if ['auto', 'tizonia'].contains(_omx)
479 if with_dri and with_egl
480 dep_omx = dependency(
481 'libtizonia', version : '>= 0.10.0',
482 required : _omx == 'tizonia',
485 dependency('libtizplatform', required : _omx == 'tizonia'),
486 dependency('tizilheaders', required : _omx == 'tizonia'),
488 if dep_omx.found() and dep_omx_other[0].found() and dep_omx_other[1].found()
489 with_gallium_omx = 'tizonia'
491 elif _omx == 'tizonia'
492 error('OMX-Tizonia state tracker requires dri and egl')
496 with_gallium_omx = 'disabled'
498 with_gallium_omx = _omx
502 '-DENABLE_ST_OMX_BELLAGIO=' + (with_gallium_omx == 'bellagio' ? '1' : '0'),
503 '-DENABLE_ST_OMX_TIZONIA=' + (with_gallium_omx == 'tizonia' ? '1' : '0'),
507 omx_drivers_path = get_option('omx-libs-path')
509 if with_gallium_omx != 'disabled'
510 # Figure out where to put the omx driver.
511 # FIXME: this could all be vastly simplified by adding a 'defined_variable'
512 # argument to meson's get_pkgconfig_variable method.
513 if omx_drivers_path == ''
514 _omx_libdir = dep_omx.get_pkgconfig_variable('libdir')
515 _omx_drivers_dir = dep_omx.get_pkgconfig_variable('pluginsdir')
516 if _omx_libdir == get_option('libdir')
517 omx_drivers_path = _omx_drivers_dir
520 # This will fail on windows. Does OMX run on windows?
521 _omx_libdir = _omx_libdir.split('/')
522 _omx_drivers_dir = _omx_drivers_dir.split('/')
523 foreach o : _omx_drivers_dir
524 if not _omx_libdir.contains(o)
528 omx_drivers_path = join_paths(get_option('libdir'), _omx_base_dir)
533 _va = get_option('gallium-va')
534 if not system_has_kms_drm
536 error('VA state tracker can only be built on unix-like OSes.')
540 elif not (with_platform_x11 or with_platform_drm)
542 error('VA state tracker requires X11 or drm or wayland platform support.')
546 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
548 error('VA state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
555 with_gallium_va = _va == 'true'
558 dep_va = dependency('libva', version : '>= 0.39.0')
559 dep_va_headers = declare_dependency(
560 compile_args : run_command(prog_pkgconfig, ['libva', '--cflags']).stdout().split()
564 va_drivers_path = get_option('va-libs-path')
565 if va_drivers_path == ''
566 va_drivers_path = join_paths(get_option('libdir'), 'dri')
569 _xa = get_option('gallium-xa')
570 if not system_has_kms_drm
572 error('XA state tracker can only be built on unix-like OSes.')
576 elif not (with_gallium_nouveau or with_gallium_freedreno or with_gallium_i915
577 or with_gallium_svga)
579 error('XA state tracker requires at least one of the following gallium drivers: nouveau, freedreno, i915, svga.')
584 with_gallium_xa = _xa != 'false'
586 d3d_drivers_path = get_option('d3d-drivers-path')
587 if d3d_drivers_path == ''
588 d3d_drivers_path = join_paths(get_option('libdir'), 'd3d')
591 with_gallium_st_nine = get_option('gallium-nine')
592 if with_gallium_st_nine
593 if not with_gallium_softpipe
594 error('The nine state tracker requires gallium softpipe/llvmpipe.')
595 elif not (with_gallium_radeonsi or with_gallium_nouveau or with_gallium_r600
596 or with_gallium_r300 or with_gallium_svga or with_gallium_i915)
597 error('The nine state tracker requires at least on non-swrast gallium driver.')
600 error('Using nine with wine requires dri3')
604 _opencl = get_option('gallium-opencl')
605 if _opencl != 'disabled'
607 error('OpenCL Clover implementation requires at least one gallium driver.')
611 dep_clc = dependency('libclc')
612 with_gallium_opencl = true
613 with_opencl_icd = _opencl == 'icd'
616 with_gallium_opencl = false
617 with_gallium_icd = false
620 gl_pkgconfig_c_flags = []
622 if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
623 pre_args += '-DHAVE_X11_PLATFORM'
625 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
626 pre_args += '-DUSE_XSHM'
628 pre_args += '-DGLX_INDIRECT_RENDERING'
630 pre_args += '-DGLX_DIRECT_RENDERING'
632 if with_dri_platform == 'drm'
633 pre_args += '-DGLX_USE_DRM'
634 elif with_dri_platform == 'apple'
635 pre_args += '-DGLX_USE_APPLEGL'
636 elif with_dri_platform == 'windows'
637 pre_args += '-DGLX_USE_WINDOWSGL'
641 pre_args += '-DMESA_EGL_NO_X11_HEADERS'
642 gl_pkgconfig_c_flags += '-DMESA_EGL_NO_X11_HEADERS'
645 if with_egl and not with_gbm
646 error('EGL drm platform requires gbm')
648 pre_args += '-DHAVE_DRM_PLATFORM'
650 if with_platform_surfaceless
651 pre_args += '-DHAVE_SURFACELESS_PLATFORM'
653 if with_platform_android
655 dependency('cutils'),
656 dependency('hardware'),
659 pre_args += '-DHAVE_ANDROID_PLATFORM'
661 if with_platform_haiku
662 pre_args += '-DHAVE_HAIKU_PLATFORM'
665 prog_python2 = find_program('python2')
666 has_mako = run_command(prog_python2, '-c', 'import mako')
667 if has_mako.returncode() != 0
668 error('Python (2.x) mako module required to build mesa.')
671 cc = meson.get_compiler('c')
672 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
673 error('When using GCC, version 4.4.6 or later is required.')
676 # Define DEBUG for debug builds only (debugoptimized is not included on this one)
677 if get_option('buildtype') == 'debug'
678 pre_args += '-DDEBUG'
681 if get_option('shader-cache')
682 pre_args += '-DENABLE_SHADER_CACHE'
684 error('Radv requires shader cache support')
687 # Check for GCC style builtins
688 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
689 'ffsll', 'popcount', 'popcountll', 'unreachable']
690 if cc.has_function(b)
691 pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
695 # check for GCC __attribute__
696 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
697 'warn_unused_result', 'weak',]
698 if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
699 name : '__attribute__((@0@))'.format(a))
700 pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
703 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
704 name : '__attribute__((format(...)))')
705 pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
707 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
708 name : '__attribute__((packed))')
709 pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
711 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
712 name : '__attribute__((returns_nonnull))')
713 pre_args += '-DHAVE_FUNC_ATTRIBUTE_RETURNS_NONNULL'
715 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
716 int foo_hid(void) __attribute__((visibility("hidden")));
717 int foo_int(void) __attribute__((visibility("internal")));
718 int foo_pro(void) __attribute__((visibility("protected")));''',
719 name : '__attribute__((visibility(...)))')
720 pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISIBILITY'
722 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
723 name : '__attribute__((alias(...)))')
724 pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
726 if cc.compiles('int foo(void) __attribute__((__noreturn__));',
727 name : '__attribute__((__noreturn__))')
728 pre_args += '-DHAVE_FUNC_ATTRIBUTE_NORETURN'
731 # TODO: this is very incomplete
732 if ['linux', 'cygwin'].contains(host_machine.system())
733 pre_args += '-D_GNU_SOURCE'
736 # Check for generic C arguments
738 foreach a : ['-Wall', '-Werror=implicit-function-declaration',
739 '-Werror=missing-prototypes', '-fno-math-errno',
740 '-fno-trapping-math', '-Qunused-arguments']
741 if cc.has_argument(a)
746 if cc.has_argument('-fvisibility=hidden')
747 c_vis_args += '-fvisibility=hidden'
750 # Check for generic C++ arguments
751 cpp = meson.get_compiler('cpp')
753 foreach a : ['-Wall', '-fno-math-errno', '-fno-trapping-math',
754 '-Qunused-arguments']
755 if cpp.has_argument(a)
760 # For some reason, the test for -Wno-foo always succeeds with gcc, even if the
761 # option is not supported. Hence, check for -Wfoo instead.
762 if cpp.has_argument('-Wnon-virtual-dtor')
763 cpp_args += '-Wno-non-virtual-dtor'
766 no_override_init_args = []
767 foreach a : ['override-init', 'initializer-overrides']
768 if cc.has_argument('-W' + a)
769 no_override_init_args += '-Wno-' + a
774 if cpp.has_argument('-fvisibility=hidden')
775 cpp_vis_args += '-fvisibility=hidden'
778 # Check for C and C++ arguments for MSVC2013 compatibility. These are only used
779 # in parts of the mesa code base that need to compile with old versions of
780 # MSVC, mainly common code
781 c_msvc_compat_args = []
782 cpp_msvc_compat_args = []
783 foreach a : ['-Werror=pointer-arith', '-Werror=vla']
784 if cc.has_argument(a)
785 c_msvc_compat_args += a
787 if cpp.has_argument(a)
788 cpp_msvc_compat_args += a
792 if host_machine.cpu_family().startswith('x86')
793 pre_args += '-DUSE_SSE41'
795 sse41_args = ['-msse4.1']
797 # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
798 # that's not guaranteed
799 if host_machine.cpu_family() == 'x86'
800 sse41_args += '-mstackrealign'
807 # Check for GCC style atomics
808 dep_atomic = null_dep
810 if cc.compiles('int main() { int n; return __atomic_load_n(&n, __ATOMIC_ACQUIRE); }',
811 name : 'GCC atomic builtins')
812 pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
814 # Not all atomic calls can be turned into lock-free instructions, in which
815 # GCC will make calls into the libatomic library. Check whether we need to
816 # link with -latomic.
818 # This can happen for 64-bit atomic operations on 32-bit architectures such
820 if not cc.links('''#include <stdint.h>
825 return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE);
827 name : 'GCC atomic builtins required -latomic')
828 dep_atomic = cc.find_library('atomic')
831 if not cc.links('''#include <stdint.h>
834 return __sync_add_and_fetch(&v, (uint64_t)1);
836 name : 'GCC 64bit atomics')
837 pre_args += '-DMISSING_64_BIT_ATOMICS'
842 # TODO: shared/static? Is this even worth doing?
844 # Building x86 assembly code requires running x86 binaries. It is possible for
845 # x86_64 OSes to run x86 binaries, so don't disable asm in those cases
846 # TODO: it should be possible to use an exe_wrapper to run the binary during
848 if meson.is_cross_build()
849 if not (build_machine.cpu_family() == 'x86_64' and host_machine.cpu_family() == 'x86'
850 and build_machine.system() == host_machine.system())
851 message('Cross compiling to x86 from non-x86, disabling asm')
858 # TODO: SPARC and PPC
859 if host_machine.cpu_family() == 'x86'
860 if system_has_kms_drm
861 with_asm_arch = 'x86'
862 pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
865 elif host_machine.cpu_family() == 'x86_64'
866 if system_has_kms_drm
867 with_asm_arch = 'x86_64'
868 pre_args += ['-DUSE_X86_64_ASM']
870 elif host_machine.cpu_family() == 'arm'
871 if system_has_kms_drm
872 with_asm_arch = 'arm'
873 pre_args += ['-DUSE_ARM_ASM']
875 elif host_machine.cpu_family() == 'aarch64'
876 if system_has_kms_drm
877 with_asm_arch = 'aarch64'
878 pre_args += ['-DUSE_AARCH64_ASM']
883 # Check for standard headers and functions
884 if cc.has_header_symbol('sys/sysmacros.h', 'major')
885 pre_args += '-DMAJOR_IN_SYSMACROS'
886 elif cc.has_header_symbol('sys/mkdev.h', 'major')
887 pre_args += '-DMAJOR_IN_MKDEV'
890 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h', 'endian.h']
891 if cc.compiles('#include <@0@>'.format(h), name : '@0@'.format(h))
892 pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
896 foreach f : ['strtof', 'mkostemp', 'posix_memalign', 'timespec_get', 'memfd_create']
897 if cc.has_function(f)
898 pre_args += '-DHAVE_@0@'.format(f.to_upper())
902 # strtod locale support
907 #ifdef HAVE_XLOCALE_H
911 locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
912 const char *s = "1.0";
914 double d = strtod_l(s, end, loc);
915 float f = strtof_l(s, end, loc);
919 extra_args : pre_args,
920 name : 'strtod has locale support')
921 pre_args += '-DHAVE_STRTOD_L'
924 # Check for some linker flags
925 ld_args_bsymbolic = []
926 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
927 ld_args_bsymbolic += '-Wl,-Bsymbolic'
929 ld_args_gc_sections = []
930 if cc.links('static char unused() { return 5; } int main() { return 0; }',
931 args : '-Wl,--gc-sections', name : 'gc-sections')
932 ld_args_gc_sections += '-Wl,--gc-sections'
934 with_ld_version_script = false
935 if cc.links('int main() { return 0; }',
936 args : '-Wl,--version-script=@0@'.format(
937 join_paths(meson.source_root(), 'build-support/conftest.map')),
938 name : 'version-script')
939 with_ld_version_script = true
941 with_ld_dynamic_list = false
942 if cc.links('int main() { return 0; }',
943 args : '-Wl,--dynamic-list=@0@'.format(
944 join_paths(meson.source_root(), 'build-support/conftest.dyn')),
945 name : 'dynamic-list')
946 with_ld_dynamic_list = true
948 ld_args_build_id = []
949 if build_machine.system() != 'darwin'
950 ld_args_build_id += '-Wl,--build-id=sha1'
953 # check for dl support
954 if cc.has_function('dlopen')
957 dep_dl = cc.find_library('dl')
959 if cc.has_function('dladdr', dependencies : dep_dl)
960 # This is really only required for megadrivers
961 pre_args += '-DHAVE_DLADDR'
964 if cc.has_function('dl_iterate_phdr')
965 pre_args += '-DHAVE_DL_ITERATE_PHDR'
967 error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
968 elif with_dri_i965 and get_option('shader-cache')
969 error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
972 # Determine whether or not the rt library is needed for time functions
973 if cc.has_function('clock_gettime')
976 dep_clock = cc.find_library('rt')
979 # TODO: some of these may be conditional
980 dep_zlib = dependency('zlib', version : '>= 1.2.3')
981 pre_args += '-DHAVE_ZLIB'
982 dep_thread = dependency('threads')
983 if dep_thread.found() and host_machine.system() != 'windows'
984 pre_args += '-DHAVE_PTHREAD'
986 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600 or with_gallium_opencl
987 dep_elf = dependency('libelf', required : false)
988 if not dep_elf.found()
989 dep_elf = cc.find_library('elf')
994 dep_expat = dependency('expat')
995 # this only exists on linux so either this is linux and it will be found, or
996 # its not linux and and wont
997 dep_m = cc.find_library('m', required : false)
999 # Check for libdrm. various drivers have different libdrm version requirements,
1000 # but we always want to use the same version for all libdrm modules. That means
1001 # even if driver foo requires 2.4.0 and driver bar requires 2.4.3, if foo and
1002 # bar are both on use 2.4.3 for both of them
1003 dep_libdrm_amdgpu = null_dep
1004 dep_libdrm_radeon = null_dep
1005 dep_libdrm_nouveau = null_dep
1006 dep_libdrm_etnaviv = null_dep
1007 dep_libdrm_freedreno = null_dep
1008 dep_libdrm_intel = null_dep
1010 _drm_amdgpu_ver = '2.4.91'
1011 _drm_radeon_ver = '2.4.71'
1012 _drm_nouveau_ver = '2.4.66'
1013 _drm_etnaviv_ver = '2.4.89'
1014 _drm_freedreno_ver = '2.4.92'
1015 _drm_intel_ver = '2.4.75'
1019 ['intel', with_dri_i915 or with_gallium_i915],
1020 ['amdgpu', with_amd_vk or with_gallium_radeonsi],
1021 ['radeon', (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
1022 with_gallium_r300 or with_gallium_r600)],
1023 ['nouveau', (with_gallium_nouveau or with_dri_nouveau)],
1024 ['etnaviv', with_gallium_etnaviv],
1025 ['freedreno', with_gallium_freedreno],
1028 # VC4 only needs core libdrm support of this version, not a libdrm_vc4
1034 # Loop over the enables versions and get the highest libdrm requirement for all
1036 foreach d : _libdrm_checks
1037 ver = get_variable('_drm_@0@_ver'.format(d[0]))
1038 if d[1] and ver.version_compare('>' + _drm_ver)
1043 # Then get each libdrm module
1044 foreach d : _libdrm_checks
1047 'dep_libdrm_' + d[0],
1048 dependency('libdrm_' + d[0], version : '>=' + _drm_ver)
1053 with_gallium_drisw_kms = false
1054 dep_libdrm = dependency(
1055 'libdrm', version : '>=' + _drm_ver,
1056 required : with_dri2 or with_dri3
1058 if dep_libdrm.found()
1059 pre_args += '-DHAVE_LIBDRM'
1060 if with_dri_platform == 'drm' and with_dri
1061 with_gallium_drisw_kms = true
1065 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
1066 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
1067 llvm_modules += ['amdgpu', 'bitreader', 'ipo']
1068 if with_gallium_r600
1069 llvm_modules += 'asmparser'
1072 if with_gallium_opencl
1074 'all-targets', 'linker', 'coverage', 'instrumentation', 'ipo', 'irreader',
1075 'lto', 'option', 'objcarcopts', 'profiledata',
1077 # TODO: optional modules
1080 if with_amd_vk or with_gallium_radeonsi
1081 _llvm_version = '>= 5.0.0'
1082 elif with_gallium_swr
1083 _llvm_version = '>= 4.0.0'
1084 elif with_gallium_opencl or with_gallium_r600
1085 _llvm_version = '>= 3.9.0'
1087 _llvm_version = '>= 3.3.0'
1090 _llvm = get_option('llvm')
1092 dep_llvm = dependency(
1093 'llvm', version : _llvm_version, modules : llvm_modules,
1094 required : with_amd_vk or with_gallium_radeonsi or with_gallium_swr or with_gallium_opencl,
1096 with_llvm = dep_llvm.found()
1097 elif _llvm == 'true'
1098 dep_llvm = dependency('llvm', version : _llvm_version, modules : llvm_modules)
1105 _llvm_version = dep_llvm.version().split('.')
1106 # Development versions of LLVM have an 'svn' or 'git' suffix, we don't want
1107 # that for our version checks.
1108 # svn suffixes are stripped by meson as of 0.43, and git suffixes are
1109 # strippped as of 0.44, but we support older meson versions.
1111 # 3 digits versions in LLVM only started from 3.4.1 on
1112 if dep_llvm.version().version_compare('>= 3.4.1')
1113 _llvm_patch = _llvm_version[2]
1118 if _llvm_patch.endswith('svn')
1119 _llvm_patch = _llvm_patch.split('s')[0]
1120 elif _llvm_patch.contains('git')
1121 _llvm_patch = _llvm_patch.split('g')[0]
1124 '-DHAVE_LLVM=0x0@0@0@1@'.format(_llvm_version[0], _llvm_version[1]),
1125 '-DMESA_LLVM_VERSION_PATCH=@0@'.format(_llvm_patch),
1128 # LLVM can be built without rtti, turning off rtti changes the ABI of C++
1129 # programs, so we need to build all C++ code in mesa without rtti as well to
1130 # ensure that linking works.
1131 if dep_llvm.get_configtool_variable('has-rtti') == 'NO'
1132 cpp_args += '-fno-rtti'
1134 elif with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1135 error('The following drivers require LLVM: Radv, RadeonSI, SWR. One of these is enabled, but LLVM is disabled.')
1138 dep_glvnd = null_dep
1140 dep_glvnd = dependency('libglvnd', version : '>= 0.2.0')
1141 pre_args += '-DUSE_LIBGLVND=1'
1144 if with_valgrind != 'false'
1145 dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
1146 if dep_valgrind.found()
1147 pre_args += '-DHAVE_VALGRIND'
1150 dep_valgrind = null_dep
1153 # pthread stubs. Lets not and say we didn't
1155 prog_bison = find_program('bison', required : with_any_opengl)
1156 prog_flex = find_program('flex', required : with_any_opengl)
1158 dep_selinux = null_dep
1159 if get_option('selinux')
1160 dep_selinux = dependency('libselinux')
1161 pre_args += '-DMESA_SELINUX'
1164 # TODO: llvm-prefix and llvm-shared-libs
1166 if with_libunwind != 'false'
1167 dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
1168 if dep_unwind.found()
1169 pre_args += '-DHAVE_LIBUNWIND'
1172 dep_unwind = null_dep
1177 if with_osmesa != 'none'
1178 if with_osmesa == 'classic' and not with_dri_swrast
1179 error('OSMesa classic requires dri (classic) swrast.')
1181 if with_osmesa == 'gallium' and not with_gallium_softpipe
1182 error('OSMesa gallium requires gallium softpipe or llvmpipe.')
1184 osmesa_lib_name = 'OSMesa'
1185 osmesa_bits = get_option('osmesa-bits')
1186 if osmesa_bits != '8'
1187 if with_dri or with_glx != 'disabled'
1188 error('OSMesa bits must be 8 if building glx or dir based drivers')
1190 osmesa_lib_name = osmesa_lib_name + osmesa_bits
1192 '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
1197 # TODO: symbol mangling
1199 if with_platform_wayland
1200 prog_wl_scanner = find_program('wayland-scanner')
1201 dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
1202 dep_wayland_client = dependency('wayland-client', version : '>=1.11')
1203 dep_wayland_server = dependency('wayland-server', version : '>=1.11')
1204 wayland_dmabuf_xml = join_paths(
1205 dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
1206 'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
1208 pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
1210 prog_wl_scanner = []
1211 dep_wl_protocols = null_dep
1212 dep_wayland_client = null_dep
1213 dep_wayland_server = null_dep
1214 wayland_dmabuf_xml = ''
1219 dep_xdamage = null_dep
1220 dep_xfixes = null_dep
1221 dep_x11_xcb = null_dep
1223 dep_xcb_glx = null_dep
1224 dep_xcb_dri2 = null_dep
1225 dep_xcb_dri3 = null_dep
1226 dep_dri2proto = null_dep
1227 dep_glproto = null_dep
1228 dep_xxf86vm = null_dep
1229 dep_xcb_dri3 = null_dep
1230 dep_xcb_present = null_dep
1231 dep_xcb_sync = null_dep
1232 dep_xcb_xfixes = null_dep
1233 dep_xshmfence = null_dep
1234 if with_platform_x11
1235 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1236 dep_x11 = dependency('x11')
1237 dep_xext = dependency('xext')
1238 dep_xcb = dependency('xcb')
1239 elif with_glx == 'dri'
1240 dep_x11 = dependency('x11')
1241 dep_xext = dependency('xext')
1242 dep_xdamage = dependency('xdamage', version : '>= 1.1')
1243 dep_xfixes = dependency('xfixes')
1244 dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
1245 dep_xxf86vm = dependency('xxf86vm', required : false)
1247 if (with_any_vk or with_glx == 'dri' or
1248 (with_gallium_vdpau or with_gallium_xvmc or with_gallium_va or
1249 with_gallium_omx != 'disabled'))
1250 dep_xcb = dependency('xcb')
1251 dep_x11_xcb = dependency('x11-xcb')
1253 if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
1254 dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
1257 pre_args += '-DHAVE_DRI3'
1258 dep_xcb_dri3 = dependency('xcb-dri3')
1259 dep_xcb_present = dependency('xcb-present')
1260 # until xcb-dri3 has been around long enough to make a hard-dependency:
1261 if (dep_xcb_dri3.version().version_compare('>= 1.13') and
1262 dep_xcb_present.version().version_compare('>= 1.13'))
1263 pre_args += '-DHAVE_DRI3_MODIFIERS'
1265 dep_xcb_sync = dependency('xcb-sync')
1266 dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
1269 if with_glx == 'dri'
1270 if with_dri_platform == 'drm'
1271 dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
1273 dep_glproto = dependency('glproto', version : '>= 1.4.14')
1276 with_gallium_vdpau or with_gallium_xvmc or with_gallium_xa or
1277 with_gallium_omx != 'disabled'))
1278 dep_xcb_xfixes = dependency('xcb-xfixes')
1282 if get_option('gallium-extra-hud')
1283 pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
1286 _sensors = get_option('lmsensors')
1287 if _sensors != 'false'
1288 dep_lmsensors = cc.find_library('libsensors', required : _sensors == 'true')
1289 if dep_lmsensors.found()
1290 pre_args += '-DHAVE_LIBSENSORS=1'
1293 dep_lmsensors = null_dep
1296 # TODO: various libdirs
1298 # TODO: gallium driver dirs
1300 foreach a : pre_args
1301 add_project_arguments(a, language : ['c', 'cpp'])
1304 add_project_arguments(a, language : ['c'])
1306 foreach a : cpp_args
1307 add_project_arguments(a, language : ['cpp'])
1310 inc_include = include_directories('include')
1313 'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
1315 if dep_libdrm.found()
1316 gl_priv_reqs += 'libdrm >= 2.4.75'
1318 if dep_xxf86vm.found()
1319 gl_priv_reqs += 'xxf86vm'
1321 if with_dri_platform == 'drm'
1322 gl_priv_reqs += 'xcb-dri2 >= 1.8'
1326 if dep_thread.found()
1327 gl_priv_libs += ['-lpthread', '-pthread']
1330 gl_priv_libs += '-lm'
1333 gl_priv_libs += '-ldl'
1336 pkg = import('pkgconfig')
1338 env_test = environment()
1339 env_test.set('NM', find_program('nm').path())