1 # Copyright © 2017-2018 Intel Corporation
3 # Permission is hereby granted, free of charge, to any person obtaining a copy
4 # of this software and associated documentation files (the "Software"), to deal
5 # in the Software without restriction, including without limitation the rights
6 # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
7 # copies of the Software, and to permit persons to whom the Software is
8 # furnished to do so, subject to the following conditions:
10 # The above copyright notice and this permission notice shall be included in
11 # all copies or substantial portions of the Software.
13 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
16 # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
17 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
18 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
24 version : run_command(
25 [find_program('python', 'python2', 'python3'), 'bin/meson_get_version.py']
28 meson_version : '>= 0.44.1',
29 default_options : ['buildtype=debugoptimized', 'c_std=c99', 'cpp_std=c++11']
32 cc = meson.get_compiler('c')
33 cpp = meson.get_compiler('cpp')
35 null_dep = dependency('', required : false)
37 system_has_kms_drm = ['openbsd', 'netbsd', 'freebsd', 'dragonfly', 'linux'].contains(host_machine.system())
39 # Arguments for the preprocessor, put these in a separate array from the C and
40 # C++ (cpp in meson terminology) arguments since they need to be added to the
41 # default arguments for both C and C++.
43 '-D__STDC_CONSTANT_MACROS',
44 '-D__STDC_FORMAT_MACROS',
45 '-D__STDC_LIMIT_MACROS',
46 '-DVERSION="@0@"'.format(meson.project_version()),
47 '-DPACKAGE_VERSION=VERSION',
48 '-DPACKAGE_BUGREPORT="https://bugs.freedesktop.org/enter_bug.cgi?product=Mesa"',
51 with_vulkan_icd_dir = get_option('vulkan-icd-dir')
52 with_tests = get_option('build-tests')
53 with_valgrind = get_option('valgrind')
54 with_libunwind = get_option('libunwind')
55 with_asm = get_option('asm')
56 with_glx_read_only_text = get_option('glx-read-only-text')
57 with_osmesa = get_option('osmesa')
58 with_swr_arches = get_option('swr-arches')
59 with_tools = get_option('tools')
60 if with_tools.contains('all')
61 with_tools = ['freedreno', 'glsl', 'intel', 'nir', 'nouveau']
64 dri_drivers_path = get_option('dri-drivers-path')
65 if dri_drivers_path == ''
66 dri_drivers_path = join_paths(get_option('libdir'), 'dri')
68 dri_search_path = get_option('dri-search-path')
69 if dri_search_path == ''
70 dri_search_path = join_paths(get_option('prefix'), dri_drivers_path)
73 with_gles1 = get_option('gles1')
74 with_gles2 = get_option('gles2')
75 with_opengl = get_option('opengl')
76 with_any_opengl = with_opengl or with_gles1 or with_gles2
77 # Only build shared_glapi if at least one OpenGL API is enabled
78 with_shared_glapi = get_option('shared-glapi') and with_any_opengl
81 # shared-glapi is required if at least two OpenGL APIs are being built
82 if not with_shared_glapi
83 if ((with_gles1 and with_gles2) or (with_gles1 and with_opengl)
84 or (with_gles2 and with_opengl))
85 error('shared-glapi required for building two or more of OpenGL, OpenGL ES 1.x, OpenGL ES 2.x')
89 # We require OpenGL for OpenGL ES
90 if (with_gles1 or with_gles2) and not with_opengl
91 error('building OpenGL ES without OpenGL is not supported.')
94 system_has_kms_drm = ['openbsd', 'netbsd', 'freebsd', 'dragonfly', 'linux'].contains(host_machine.system())
96 _drivers = get_option('dri-drivers')
97 if _drivers.contains('auto')
100 if ['x86', 'x86_64'].contains(host_machine.cpu_family())
101 _drivers = ['i915', 'i965', 'r100', 'r200', 'nouveau']
102 elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
105 error('Unknown architecture. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.')
107 elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
108 # only swrast would make sense here, but gallium swrast is a much better default
111 error('Unknown OS. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.')
115 with_dri_i915 = _drivers.contains('i915')
116 with_dri_i965 = _drivers.contains('i965')
117 with_dri_r100 = _drivers.contains('r100')
118 with_dri_r200 = _drivers.contains('r200')
119 with_dri_nouveau = _drivers.contains('nouveau')
120 with_dri_swrast = _drivers.contains('swrast')
122 with_dri = _drivers.length() != 0 and _drivers != ['']
124 _drivers = get_option('gallium-drivers')
125 if _drivers.contains('auto')
126 if system_has_kms_drm
128 if ['x86', 'x86_64'].contains(host_machine.cpu_family())
130 'r300', 'r600', 'radeonsi', 'nouveau', 'virgl', 'svga', 'swrast'
132 elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
134 'pl111', 'v3d', 'vc4', 'freedreno', 'etnaviv', 'imx', 'nouveau',
135 'tegra', 'virgl', 'swrast',
138 error('Unknown architecture. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.')
140 elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
141 _drivers = ['swrast']
143 error('Unknown OS. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.')
146 with_gallium_pl111 = _drivers.contains('pl111')
147 with_gallium_radeonsi = _drivers.contains('radeonsi')
148 with_gallium_r300 = _drivers.contains('r300')
149 with_gallium_r600 = _drivers.contains('r600')
150 with_gallium_nouveau = _drivers.contains('nouveau')
151 with_gallium_freedreno = _drivers.contains('freedreno')
152 with_gallium_softpipe = _drivers.contains('swrast')
153 with_gallium_vc4 = _drivers.contains('vc4')
154 with_gallium_v3d = _drivers.contains('v3d')
155 with_gallium_etnaviv = _drivers.contains('etnaviv')
156 with_gallium_imx = _drivers.contains('imx')
157 with_gallium_tegra = _drivers.contains('tegra')
158 with_gallium_i915 = _drivers.contains('i915')
159 with_gallium_svga = _drivers.contains('svga')
160 with_gallium_virgl = _drivers.contains('virgl')
161 with_gallium_swr = _drivers.contains('swr')
163 with_gallium = _drivers.length() != 0 and _drivers != ['']
165 if with_gallium and system_has_kms_drm
166 _glx = get_option('glx')
167 _egl = get_option('egl')
168 if _glx == 'dri' or _egl == 'true' or (_glx == 'disabled' and _egl != 'false')
173 _vulkan_drivers = get_option('vulkan-drivers')
174 if _vulkan_drivers.contains('auto')
175 if system_has_kms_drm
176 if host_machine.cpu_family().startswith('x86')
177 _vulkan_drivers = ['amd', 'intel']
179 error('Unknown architecture. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.')
181 elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
182 # No vulkan driver supports windows or macOS currently
185 error('Unknown OS. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.')
189 with_intel_vk = _vulkan_drivers.contains('intel')
190 with_amd_vk = _vulkan_drivers.contains('amd')
191 with_any_vk = _vulkan_drivers.length() != 0 and _vulkan_drivers != ['']
193 if with_dri_swrast and (with_gallium_softpipe or with_gallium_swr)
194 error('Only one swrast provider can be built')
196 if with_dri_i915 and with_gallium_i915
197 error('Only one i915 provider can be built')
199 if with_gallium_imx and not with_gallium_etnaviv
200 error('IMX driver requires etnaviv driver')
202 if with_gallium_pl111 and not with_gallium_vc4
203 error('pl111 driver requires vc4 driver')
205 if with_gallium_tegra and not with_gallium_nouveau
206 error('tegra driver requires nouveau driver')
209 if host_machine.system() == 'darwin'
210 with_dri_platform = 'apple'
211 elif ['windows', 'cygwin'].contains(host_machine.system())
212 with_dri_platform = 'windows'
213 elif system_has_kms_drm
214 with_dri_platform = 'drm'
216 # FIXME: haiku doesn't use dri, and xlib doesn't use dri, probably should
217 # assert here that one of those cases has been met.
218 # FIXME: GNU (hurd) ends up here as well, but meson doesn't officially
219 # support Hurd at time of writing (2017/11)
220 # FIXME: illumos ends up here as well
221 with_dri_platform = 'none'
224 _platforms = get_option('platforms')
225 if _platforms.contains('auto')
226 if system_has_kms_drm
227 _platforms = ['x11', 'wayland', 'drm', 'surfaceless']
228 elif ['darwin', 'windows', 'cygwin'].contains(host_machine.system())
229 _platforms = ['x11', 'surfaceless']
230 elif ['haiku'].contains(host_machine.system())
231 _platforms = ['haiku']
233 error('Unknown OS. Please pass -Dplatforms to set platforms. Patches gladly accepted to fix this.')
237 with_platform_android = _platforms.contains('android')
238 with_platform_x11 = _platforms.contains('x11')
239 with_platform_wayland = _platforms.contains('wayland')
240 with_platform_drm = _platforms.contains('drm')
241 with_platform_haiku = _platforms.contains('haiku')
242 with_platform_surfaceless = _platforms.contains('surfaceless')
244 with_platforms = false
245 if _platforms.length() != 0 and _platforms != ['']
246 with_platforms = true
247 egl_native_platform = _platforms[0]
250 _xlib_lease = get_option('xlib-lease')
251 if _xlib_lease == 'auto'
252 with_xlib_lease = with_platform_x11 and with_platform_drm
254 with_xlib_lease = _xlib_lease == 'true'
257 with_glx = get_option('glx')
258 if with_glx == 'auto'
261 elif with_platform_haiku
262 with_glx = 'disabled'
264 # Even when building just gallium drivers the user probably wants dri
267 elif with_platform_x11 and with_any_opengl and not with_any_vk
268 # The automatic behavior should not be to turn on xlib based glx when
269 # building only vulkan drivers
272 with_glx = 'disabled'
276 if not (with_dri or with_gallium or with_glx == 'xlib' or with_glx == 'gallium-xlib')
280 with_any_opengl = false
281 with_shared_glapi = false
284 _gbm = get_option('gbm')
286 with_gbm = system_has_kms_drm and with_dri
288 with_gbm = _gbm == 'true'
290 if with_gbm and not system_has_kms_drm
291 error('GBM only supports DRM/KMS platforms')
294 _egl = get_option('egl')
296 with_egl = with_dri and with_shared_glapi and with_platforms
299 error('EGL requires dri')
300 elif not with_shared_glapi
301 error('EGL requires shared-glapi')
302 elif not with_platforms
303 error('No platforms specified, consider -Dplatforms=drm,x11 at least')
304 elif not ['disabled', 'dri'].contains(with_glx)
305 error('EGL requires dri, but a GLX is being built without dri')
312 if with_egl and not (with_platform_drm or with_platform_surfaceless)
313 if with_gallium_radeonsi
314 error('RadeonSI requires drm or surfaceless platform when using EGL')
316 if with_gallium_virgl
317 error('Virgl requires drm or surfaceless platform when using EGL')
321 pre_args += '-DGLX_USE_TLS'
322 if with_glx != 'disabled'
323 if not (with_platform_x11 and with_any_opengl)
324 error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
325 elif with_glx == 'gallium-xlib'
327 error('Gallium-xlib based GLX requires at least one gallium driver')
328 elif not with_gallium_softpipe
329 error('Gallium-xlib based GLX requires softpipe or llvmpipe.')
331 error('gallium-xlib conflicts with any dri driver')
333 elif with_glx == 'xlib'
335 error('xlib conflicts with any dri driver')
337 elif with_glx == 'dri'
339 error('dri based GLX requires at least one DRI driver')
340 elif not with_shared_glapi
341 error('dri based GLX requires shared-glapi')
346 with_glvnd = get_option('glvnd')
348 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
349 error('Cannot build glvnd support for GLX that is not DRI based.')
350 elif with_glx == 'disabled' and not with_egl
351 error('glvnd requires DRI based GLX and/or EGL')
355 # TODO: toggle for this
356 with_glx_direct = true
358 if with_vulkan_icd_dir == ''
359 with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
362 with_dri2 = (with_dri or with_any_vk) and with_dri_platform == 'drm'
363 _dri3 = get_option('dri3')
365 with_dri3 = system_has_kms_drm and with_dri2
367 with_dri3 = _dri3 == 'true'
370 if with_any_vk and (with_platform_x11 and not with_dri3)
371 error('Vulkan drivers require dri3 for X11 support')
373 if with_dri or with_gallium
374 if with_glx == 'disabled' and not with_egl and not with_platform_haiku
375 error('building dri or gallium drivers require at least one window system')
379 prog_pkgconfig = find_program('pkg-config')
381 _vdpau = get_option('gallium-vdpau')
382 if not system_has_kms_drm
384 error('VDPAU state tracker can only be build on unix-like OSes.')
388 elif not with_platform_x11
390 error('VDPAU state tracker requires X11 support.')
394 elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
395 with_gallium_nouveau)
397 error('VDPAU state tracker requires at least one of the following gallium drivers: r300, r600, radeonsi, nouveau.')
401 elif _vdpau == 'auto'
404 with_gallium_vdpau = _vdpau == 'true'
406 if with_gallium_vdpau
407 dep_vdpau = dependency('vdpau', version : '>= 1.1')
408 dep_vdpau = declare_dependency(
409 compile_args : run_command(prog_pkgconfig, ['vdpau', '--cflags']).stdout().split()
413 if with_gallium_vdpau
414 pre_args += '-DHAVE_ST_VDPAU'
416 vdpau_drivers_path = get_option('vdpau-libs-path')
417 if vdpau_drivers_path == ''
418 vdpau_drivers_path = join_paths(get_option('libdir'), 'vdpau')
421 _xvmc = get_option('gallium-xvmc')
422 if not system_has_kms_drm
424 error('XVMC state tracker can only be build on unix-like OSes.')
428 elif not with_platform_x11
430 error('XVMC state tracker requires X11 support.')
434 elif not (with_gallium_r600 or with_gallium_nouveau)
436 error('XVMC state tracker requires at least one of the following gallium drivers: r600, nouveau.')
443 with_gallium_xvmc = _xvmc == 'true'
446 dep_xvmc = dependency('xvmc', version : '>= 1.0.6')
449 xvmc_drivers_path = get_option('xvmc-libs-path')
450 if xvmc_drivers_path == ''
451 xvmc_drivers_path = get_option('libdir')
454 _omx = get_option('gallium-omx')
455 if not system_has_kms_drm
456 if ['auto', 'disabled'].contains(_omx)
459 error('OMX state tracker can only be built on unix-like OSes.')
461 elif not (with_platform_x11 or with_platform_drm)
462 if ['auto', 'disabled'].contains(_omx)
465 error('OMX state tracker requires X11 or drm platform support.')
467 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
468 if ['auto', 'disabled'].contains(_omx)
471 error('OMX state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
474 with_gallium_omx = _omx
477 if ['auto', 'bellagio'].contains(_omx)
478 dep_omx = dependency(
479 'libomxil-bellagio', required : _omx == 'bellagio'
482 with_gallium_omx = 'bellagio'
485 if ['auto', 'tizonia'].contains(_omx)
486 if with_dri and with_egl
487 dep_omx = dependency(
488 'libtizonia', version : '>= 0.10.0',
489 required : _omx == 'tizonia',
492 dependency('libtizplatform', required : _omx == 'tizonia'),
493 dependency('tizilheaders', required : _omx == 'tizonia'),
495 if dep_omx.found() and dep_omx_other[0].found() and dep_omx_other[1].found()
496 with_gallium_omx = 'tizonia'
498 elif _omx == 'tizonia'
499 error('OMX-Tizonia state tracker requires dri and egl')
503 with_gallium_omx = 'disabled'
505 with_gallium_omx = _omx
509 '-DENABLE_ST_OMX_BELLAGIO=' + (with_gallium_omx == 'bellagio' ? '1' : '0'),
510 '-DENABLE_ST_OMX_TIZONIA=' + (with_gallium_omx == 'tizonia' ? '1' : '0'),
514 omx_drivers_path = get_option('omx-libs-path')
516 if with_gallium_omx != 'disabled'
517 # Figure out where to put the omx driver.
518 # FIXME: this could all be vastly simplified by adding a 'defined_variable'
519 # argument to meson's get_pkgconfig_variable method.
520 if omx_drivers_path == ''
521 _omx_libdir = dep_omx.get_pkgconfig_variable('libdir')
522 _omx_drivers_dir = dep_omx.get_pkgconfig_variable('pluginsdir')
523 if _omx_libdir == get_option('libdir')
524 omx_drivers_path = _omx_drivers_dir
527 # This will fail on windows. Does OMX run on windows?
528 _omx_libdir = _omx_libdir.split('/')
529 _omx_drivers_dir = _omx_drivers_dir.split('/')
530 foreach o : _omx_drivers_dir
531 if not _omx_libdir.contains(o)
535 omx_drivers_path = join_paths(get_option('libdir'), _omx_base_dir)
540 _va = get_option('gallium-va')
541 if not system_has_kms_drm
543 error('VA state tracker can only be built on unix-like OSes.')
547 elif not (with_platform_x11 or with_platform_drm)
549 error('VA state tracker requires X11 or drm or wayland platform support.')
553 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
555 error('VA state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
562 with_gallium_va = _va == 'true'
565 dep_va = dependency('libva', version : '>= 0.39.0')
566 dep_va_headers = declare_dependency(
567 compile_args : run_command(prog_pkgconfig, ['libva', '--cflags']).stdout().split()
571 va_drivers_path = get_option('va-libs-path')
572 if va_drivers_path == ''
573 va_drivers_path = join_paths(get_option('libdir'), 'dri')
576 _xa = get_option('gallium-xa')
577 if not system_has_kms_drm
579 error('XA state tracker can only be built on unix-like OSes.')
583 elif not (with_gallium_nouveau or with_gallium_freedreno or with_gallium_i915
584 or with_gallium_svga)
586 error('XA state tracker requires at least one of the following gallium drivers: nouveau, freedreno, i915, svga.')
591 with_gallium_xa = _xa != 'false'
593 d3d_drivers_path = get_option('d3d-drivers-path')
594 if d3d_drivers_path == ''
595 d3d_drivers_path = join_paths(get_option('libdir'), 'd3d')
598 with_gallium_st_nine = get_option('gallium-nine')
599 if with_gallium_st_nine
600 if not with_gallium_softpipe
601 error('The nine state tracker requires gallium softpipe/llvmpipe.')
602 elif not (with_gallium_radeonsi or with_gallium_nouveau or with_gallium_r600
603 or with_gallium_r300 or with_gallium_svga or with_gallium_i915)
604 error('The nine state tracker requires at least on non-swrast gallium driver.')
607 error('Using nine with wine requires dri3')
611 if get_option('power8') != 'false'
612 if host_machine.cpu_family() == 'ppc64le'
613 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.8')
614 error('Altivec is not supported with gcc version < 4.8.')
619 vector unsigned char r;
620 vector unsigned int v = vec_splat_u32 (1);
621 r = __builtin_vec_vgbbd ((vector unsigned char) v);
624 args : '-mpower8-vector',
625 name : 'POWER8 intrinsics')
626 pre_args += ['-D_ARCH_PWR8', '-mpower8-vector']
627 elif get_option('power8') == 'true'
628 error('POWER8 intrinsic support required but not found.')
633 _opencl = get_option('gallium-opencl')
634 if _opencl != 'disabled'
636 error('OpenCL Clover implementation requires at least one gallium driver.')
639 dep_clc = dependency('libclc')
640 with_gallium_opencl = true
641 with_opencl_icd = _opencl == 'icd'
644 with_gallium_opencl = false
645 with_gallium_icd = false
648 gl_pkgconfig_c_flags = []
650 if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
651 pre_args += '-DHAVE_X11_PLATFORM'
653 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
654 pre_args += '-DUSE_XSHM'
656 pre_args += '-DGLX_INDIRECT_RENDERING'
658 pre_args += '-DGLX_DIRECT_RENDERING'
660 if with_dri_platform == 'drm'
661 pre_args += '-DGLX_USE_DRM'
662 elif with_dri_platform == 'apple'
663 pre_args += '-DGLX_USE_APPLEGL'
664 elif with_dri_platform == 'windows'
665 pre_args += '-DGLX_USE_WINDOWSGL'
669 pre_args += '-DMESA_EGL_NO_X11_HEADERS'
670 gl_pkgconfig_c_flags += '-DMESA_EGL_NO_X11_HEADERS'
673 if with_egl and not with_gbm
674 error('EGL drm platform requires gbm')
676 pre_args += '-DHAVE_DRM_PLATFORM'
678 if with_platform_surfaceless
679 pre_args += '-DHAVE_SURFACELESS_PLATFORM'
681 if with_platform_android
683 dependency('cutils'),
684 dependency('hardware'),
687 pre_args += '-DHAVE_ANDROID_PLATFORM'
689 if with_platform_haiku
690 pre_args += '-DHAVE_HAIKU_PLATFORM'
693 prog_python2 = find_program('python2')
694 has_mako = run_command(prog_python2, '-c', 'import mako')
695 if has_mako.returncode() != 0
696 error('Python (2.x) mako module required to build mesa.')
699 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
700 error('When using GCC, version 4.4.6 or later is required.')
703 # Define DEBUG for debug builds only (debugoptimized is not included on this one)
704 if get_option('buildtype') == 'debug'
705 pre_args += '-DDEBUG'
708 if get_option('shader-cache')
709 pre_args += '-DENABLE_SHADER_CACHE'
711 error('Radv requires shader cache support')
714 # Check for GCC style builtins
715 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
716 'ffsll', 'popcount', 'popcountll', 'unreachable']
717 if cc.has_function(b)
718 pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
722 # check for GCC __attribute__
723 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
724 'warn_unused_result', 'weak',]
725 if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
726 name : '__attribute__((@0@))'.format(a))
727 pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
730 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
731 name : '__attribute__((format(...)))')
732 pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
734 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
735 name : '__attribute__((packed))')
736 pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
738 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
739 name : '__attribute__((returns_nonnull))')
740 pre_args += '-DHAVE_FUNC_ATTRIBUTE_RETURNS_NONNULL'
742 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
743 int foo_hid(void) __attribute__((visibility("hidden")));
744 int foo_int(void) __attribute__((visibility("internal")));
745 int foo_pro(void) __attribute__((visibility("protected")));''',
746 name : '__attribute__((visibility(...)))')
747 pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISIBILITY'
749 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
750 name : '__attribute__((alias(...)))')
751 pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
753 if cc.compiles('int foo(void) __attribute__((__noreturn__));',
754 name : '__attribute__((__noreturn__))')
755 pre_args += '-DHAVE_FUNC_ATTRIBUTE_NORETURN'
758 # TODO: this is very incomplete
759 if ['linux', 'cygwin'].contains(host_machine.system())
760 pre_args += '-D_GNU_SOURCE'
763 # Check for generic C arguments
765 foreach a : ['-Wall', '-Werror=implicit-function-declaration',
766 '-Werror=missing-prototypes', '-fno-math-errno',
767 '-fno-trapping-math', '-Qunused-arguments']
768 if cc.has_argument(a)
772 if cc.has_argument('-Wmissing-field-initializers')
773 c_args += '-Wno-missing-field-initializers'
777 if cc.has_argument('-fvisibility=hidden')
778 c_vis_args += '-fvisibility=hidden'
781 # Check for generic C++ arguments
783 foreach a : ['-Wall', '-fno-math-errno', '-fno-trapping-math',
784 '-Qunused-arguments']
785 if cpp.has_argument(a)
790 # For some reason, the test for -Wno-foo always succeeds with gcc, even if the
791 # option is not supported. Hence, check for -Wfoo instead.
793 foreach a : ['non-virtual-dtor', 'missing-field-initializers']
794 if cpp.has_argument('-W' + a)
795 cpp_args += '-Wno-' + a
799 no_override_init_args = []
800 foreach a : ['override-init', 'initializer-overrides']
801 if cc.has_argument('-W' + a)
802 no_override_init_args += '-Wno-' + a
807 if cpp.has_argument('-fvisibility=hidden')
808 cpp_vis_args += '-fvisibility=hidden'
811 # Check for C and C++ arguments for MSVC2013 compatibility. These are only used
812 # in parts of the mesa code base that need to compile with old versions of
813 # MSVC, mainly common code
814 c_msvc_compat_args = []
815 cpp_msvc_compat_args = []
816 foreach a : ['-Werror=pointer-arith', '-Werror=vla']
817 if cc.has_argument(a)
818 c_msvc_compat_args += a
820 if cpp.has_argument(a)
821 cpp_msvc_compat_args += a
825 if host_machine.cpu_family().startswith('x86')
826 pre_args += '-DUSE_SSE41'
828 sse41_args = ['-msse4.1']
830 # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
831 # that's not guaranteed
832 if host_machine.cpu_family() == 'x86'
833 sse41_args += '-mstackrealign'
840 # Check for GCC style atomics
841 dep_atomic = null_dep
843 if cc.compiles('''#include <stdint.h>
848 return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
849 (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
852 name : 'GCC atomic builtins')
853 pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
855 # Not all atomic calls can be turned into lock-free instructions, in which
856 # GCC will make calls into the libatomic library. Check whether we need to
857 # link with -latomic.
859 # This can happen for 64-bit atomic operations on 32-bit architectures such
861 if not cc.links('''#include <stdint.h>
866 return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
867 (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
869 name : 'GCC atomic builtins required -latomic')
870 dep_atomic = cc.find_library('atomic')
873 if not cc.links('''#include <stdint.h>
876 return __sync_add_and_fetch(&v, (uint64_t)1);
878 name : 'GCC 64bit atomics')
879 pre_args += '-DMISSING_64_BIT_ATOMICS'
882 # TODO: shared/static? Is this even worth doing?
884 # When cross compiling we generally need to turn off the use of assembly,
885 # because mesa's assembly relies on building an executable for the host system,
886 # and running it to get information about struct sizes. There is at least one
887 # case of cross compiling where we can use asm, and that's x86_64 -> x86 when
888 # host OS == build OS, since in that case the build machine can run the host's
890 if meson.is_cross_build()
891 if build_machine.system() != host_machine.system()
892 # TODO: It may be possible to do this with an exe_wrapper (like wine).
893 message('Cross compiling from one OS to another, disabling assembly.')
895 elif not (build_machine.cpu_family().startswith('x86') and host_machine.cpu_family() == 'x86')
896 # FIXME: Gentoo always sets -m32 for x86_64 -> x86 builds, resulting in an
897 # x86 -> x86 cross compile. We use startswith rather than == to handle this
899 # TODO: There may be other cases where the 64 bit version of the
900 # architecture can run 32 bit binaries (aarch64 and armv7 for example)
902 Cross compiling to different architectures, and the host cannot run
903 the build machine's binaries. Disabling assembly.
911 if host_machine.cpu_family() == 'x86'
912 if system_has_kms_drm
913 with_asm_arch = 'x86'
914 pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
917 if with_glx_read_only_text
918 pre_args += ['-DGLX_X86_READONLY_TEXT']
921 elif host_machine.cpu_family() == 'x86_64'
922 if system_has_kms_drm
923 with_asm_arch = 'x86_64'
924 pre_args += ['-DUSE_X86_64_ASM']
926 elif host_machine.cpu_family() == 'arm'
927 if system_has_kms_drm
928 with_asm_arch = 'arm'
929 pre_args += ['-DUSE_ARM_ASM']
931 elif host_machine.cpu_family() == 'aarch64'
932 if system_has_kms_drm
933 with_asm_arch = 'aarch64'
934 pre_args += ['-DUSE_AARCH64_ASM']
936 elif host_machine.cpu_family() == 'sparc64'
937 if system_has_kms_drm
938 with_asm_arch = 'sparc'
939 pre_args += ['-DUSE_SPARC_ASM']
941 elif host_machine.cpu_family() == 'ppc64le'
942 if system_has_kms_drm
943 with_asm_arch = 'ppc64le'
944 pre_args += ['-DUSE_PPC64LE_ASM']
949 # Check for standard headers and functions
950 if cc.has_header_symbol('sys/sysmacros.h', 'major')
951 pre_args += '-DMAJOR_IN_SYSMACROS'
952 elif cc.has_header_symbol('sys/mkdev.h', 'major')
953 pre_args += '-DMAJOR_IN_MKDEV'
956 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h', 'endian.h']
957 if cc.compiles('#include <@0@>'.format(h), name : '@0@'.format(h))
958 pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
962 foreach f : ['strtof', 'mkostemp', 'posix_memalign', 'timespec_get', 'memfd_create']
963 if cc.has_function(f)
964 pre_args += '-DHAVE_@0@'.format(f.to_upper())
968 # strtod locale support
973 #ifdef HAVE_XLOCALE_H
977 locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
978 const char *s = "1.0";
980 double d = strtod_l(s, end, loc);
981 float f = strtof_l(s, end, loc);
985 extra_args : pre_args,
986 name : 'strtod has locale support')
987 pre_args += '-DHAVE_STRTOD_L'
990 # Check for some linker flags
991 ld_args_bsymbolic = []
992 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
993 ld_args_bsymbolic += '-Wl,-Bsymbolic'
995 ld_args_gc_sections = []
996 if cc.links('static char unused() { return 5; } int main() { return 0; }',
997 args : '-Wl,--gc-sections', name : 'gc-sections')
998 ld_args_gc_sections += '-Wl,--gc-sections'
1000 with_ld_version_script = false
1001 if cc.links('int main() { return 0; }',
1002 args : '-Wl,--version-script=@0@'.format(
1003 join_paths(meson.source_root(), 'build-support/conftest.map')),
1004 name : 'version-script')
1005 with_ld_version_script = true
1007 with_ld_dynamic_list = false
1008 if cc.links('int main() { return 0; }',
1009 args : '-Wl,--dynamic-list=@0@'.format(
1010 join_paths(meson.source_root(), 'build-support/conftest.dyn')),
1011 name : 'dynamic-list')
1012 with_ld_dynamic_list = true
1014 ld_args_build_id = []
1015 if build_machine.system() != 'darwin'
1016 ld_args_build_id += '-Wl,--build-id=sha1'
1019 # check for dl support
1020 if cc.has_function('dlopen')
1023 dep_dl = cc.find_library('dl')
1025 if cc.has_function('dladdr', dependencies : dep_dl)
1026 # This is really only required for megadrivers
1027 pre_args += '-DHAVE_DLADDR'
1030 if cc.has_function('dl_iterate_phdr')
1031 pre_args += '-DHAVE_DL_ITERATE_PHDR'
1033 error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
1034 elif with_dri_i965 and get_option('shader-cache')
1035 error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
1038 # Determine whether or not the rt library is needed for time functions
1039 if cc.has_function('clock_gettime')
1040 dep_clock = null_dep
1042 dep_clock = cc.find_library('rt')
1045 # TODO: some of these may be conditional
1046 dep_zlib = dependency('zlib', version : '>= 1.2.3')
1047 pre_args += '-DHAVE_ZLIB'
1048 dep_thread = dependency('threads')
1049 if dep_thread.found() and host_machine.system() != 'windows'
1050 pre_args += '-DHAVE_PTHREAD'
1052 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600 or with_gallium_opencl
1053 dep_elf = dependency('libelf', required : false)
1054 if not dep_elf.found()
1055 dep_elf = cc.find_library('elf')
1060 dep_expat = dependency('expat')
1061 # this only exists on linux so either this is linux and it will be found, or
1062 # its not linux and and wont
1063 dep_m = cc.find_library('m', required : false)
1065 # Check for libdrm. various drivers have different libdrm version requirements,
1066 # but we always want to use the same version for all libdrm modules. That means
1067 # even if driver foo requires 2.4.0 and driver bar requires 2.4.3, if foo and
1068 # bar are both on use 2.4.3 for both of them
1069 dep_libdrm_amdgpu = null_dep
1070 dep_libdrm_radeon = null_dep
1071 dep_libdrm_nouveau = null_dep
1072 dep_libdrm_etnaviv = null_dep
1073 dep_libdrm_freedreno = null_dep
1074 dep_libdrm_intel = null_dep
1076 _drm_amdgpu_ver = '2.4.91'
1077 _drm_radeon_ver = '2.4.71'
1078 _drm_nouveau_ver = '2.4.66'
1079 _drm_etnaviv_ver = '2.4.89'
1080 _drm_freedreno_ver = '2.4.92'
1081 _drm_intel_ver = '2.4.75'
1085 ['intel', with_dri_i915 or with_gallium_i915],
1086 ['amdgpu', with_amd_vk or with_gallium_radeonsi],
1087 ['radeon', (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
1088 with_gallium_r300 or with_gallium_r600)],
1089 ['nouveau', (with_gallium_nouveau or with_dri_nouveau)],
1090 ['etnaviv', with_gallium_etnaviv],
1091 ['freedreno', with_gallium_freedreno],
1094 # VC4 only needs core libdrm support of this version, not a libdrm_vc4
1100 # Loop over the enables versions and get the highest libdrm requirement for all
1102 foreach d : _libdrm_checks
1103 ver = get_variable('_drm_@0@_ver'.format(d[0]))
1104 if d[1] and ver.version_compare('>' + _drm_ver)
1109 # Then get each libdrm module
1110 foreach d : _libdrm_checks
1113 'dep_libdrm_' + d[0],
1114 dependency('libdrm_' + d[0], version : '>=' + _drm_ver)
1119 with_gallium_drisw_kms = false
1120 dep_libdrm = dependency(
1121 'libdrm', version : '>=' + _drm_ver,
1122 required : with_dri2 or with_dri3
1124 if dep_libdrm.found()
1125 pre_args += '-DHAVE_LIBDRM'
1126 if with_dri_platform == 'drm' and with_dri
1127 with_gallium_drisw_kms = true
1131 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
1132 llvm_optional_modules = []
1133 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
1134 llvm_modules += ['amdgpu', 'bitreader', 'ipo']
1135 if with_gallium_r600
1136 llvm_modules += 'asmparser'
1139 if with_gallium_opencl
1141 'all-targets', 'linker', 'coverage', 'instrumentation', 'ipo', 'irreader',
1142 'lto', 'option', 'objcarcopts', 'profiledata',
1144 llvm_optional_modules += ['coroutines', 'opencl']
1147 if with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1148 _llvm_version = '>= 5.0.0'
1149 elif with_gallium_opencl or with_gallium_r600
1150 _llvm_version = '>= 3.9.0'
1152 _llvm_version = '>= 3.3.0'
1155 _llvm = get_option('llvm')
1157 dep_llvm = dependency(
1159 version : _llvm_version,
1160 modules : llvm_modules,
1161 optional_modules : llvm_optional_modules,
1162 required : with_amd_vk or with_gallium_radeonsi or with_gallium_swr or with_gallium_opencl,
1164 with_llvm = dep_llvm.found()
1165 elif _llvm == 'true'
1166 dep_llvm = dependency(
1168 version : _llvm_version,
1169 modules : llvm_modules,
1170 optional_modules : llvm_optional_modules,
1178 _llvm_version = dep_llvm.version().split('.')
1179 # Development versions of LLVM have an 'svn' or 'git' suffix, we don't want
1180 # that for our version checks.
1181 # svn suffixes are stripped by meson as of 0.43, and git suffixes are
1182 # strippped as of 0.44, but we support older meson versions.
1184 # 3 digits versions in LLVM only started from 3.4.1 on
1185 if dep_llvm.version().version_compare('>= 3.4.1')
1186 _llvm_patch = _llvm_version[2]
1191 if _llvm_patch.endswith('svn')
1192 _llvm_patch = _llvm_patch.split('s')[0]
1193 elif _llvm_patch.contains('git')
1194 _llvm_patch = _llvm_patch.split('g')[0]
1197 '-DHAVE_LLVM=0x0@0@0@1@'.format(_llvm_version[0], _llvm_version[1]),
1198 '-DMESA_LLVM_VERSION_PATCH=@0@'.format(_llvm_patch),
1201 # LLVM can be built without rtti, turning off rtti changes the ABI of C++
1202 # programs, so we need to build all C++ code in mesa without rtti as well to
1203 # ensure that linking works.
1204 if dep_llvm.get_configtool_variable('has-rtti') == 'NO'
1205 cpp_args += '-fno-rtti'
1207 elif with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1208 error('The following drivers require LLVM: Radv, RadeonSI, SWR. One of these is enabled, but LLVM is disabled.')
1211 dep_glvnd = null_dep
1213 dep_glvnd = dependency('libglvnd', version : '>= 0.2.0')
1214 pre_args += '-DUSE_LIBGLVND=1'
1217 if with_valgrind != 'false'
1218 dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
1219 if dep_valgrind.found()
1220 pre_args += '-DHAVE_VALGRIND'
1223 dep_valgrind = null_dep
1226 # pthread stubs. Lets not and say we didn't
1228 prog_bison = find_program('bison', required : with_any_opengl)
1229 prog_flex = find_program('flex', required : with_any_opengl)
1231 dep_selinux = null_dep
1232 if get_option('selinux')
1233 dep_selinux = dependency('libselinux')
1234 pre_args += '-DMESA_SELINUX'
1237 if with_libunwind != 'false'
1238 dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
1239 if dep_unwind.found()
1240 pre_args += '-DHAVE_LIBUNWIND'
1243 dep_unwind = null_dep
1246 if with_osmesa != 'none'
1247 if with_osmesa == 'classic' and not with_dri_swrast
1248 error('OSMesa classic requires dri (classic) swrast.')
1250 if with_osmesa == 'gallium' and not with_gallium_softpipe
1251 error('OSMesa gallium requires gallium softpipe or llvmpipe.')
1253 osmesa_lib_name = 'OSMesa'
1254 osmesa_bits = get_option('osmesa-bits')
1255 if osmesa_bits != '8'
1256 if with_dri or with_glx != 'disabled'
1257 error('OSMesa bits must be 8 if building glx or dir based drivers')
1259 osmesa_lib_name = osmesa_lib_name + osmesa_bits
1261 '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
1266 # TODO: symbol mangling
1268 if with_platform_wayland
1269 prog_wl_scanner = find_program('wayland-scanner')
1270 dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
1271 dep_wayland_client = dependency('wayland-client', version : '>=1.11')
1272 dep_wayland_server = dependency('wayland-server', version : '>=1.11')
1274 dep_wayland_egl = dependency('wayland-egl-backend', version : '>= 3')
1275 dep_wayland_egl_headers = declare_dependency(
1276 compile_args : run_command(prog_pkgconfig, ['wayland-egl-backend', '--cflags']).stdout().split())
1278 wayland_dmabuf_xml = join_paths(
1279 dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
1280 'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
1282 pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
1284 prog_wl_scanner = []
1285 dep_wl_protocols = null_dep
1286 dep_wayland_client = null_dep
1287 dep_wayland_server = null_dep
1288 wayland_dmabuf_xml = ''
1293 dep_xdamage = null_dep
1294 dep_xfixes = null_dep
1295 dep_x11_xcb = null_dep
1297 dep_xcb_glx = null_dep
1298 dep_xcb_dri2 = null_dep
1299 dep_xcb_dri3 = null_dep
1300 dep_dri2proto = null_dep
1301 dep_glproto = null_dep
1302 dep_xxf86vm = null_dep
1303 dep_xcb_dri3 = null_dep
1304 dep_xcb_present = null_dep
1305 dep_xcb_sync = null_dep
1306 dep_xcb_xfixes = null_dep
1307 dep_xshmfence = null_dep
1308 dep_xcb_xrandr = null_dep
1309 dep_xlib_xrandr = null_dep
1310 if with_platform_x11
1311 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1312 dep_x11 = dependency('x11')
1313 dep_xext = dependency('xext')
1314 dep_xcb = dependency('xcb')
1315 elif with_glx == 'dri'
1316 dep_x11 = dependency('x11')
1317 dep_xext = dependency('xext')
1318 dep_xdamage = dependency('xdamage', version : '>= 1.1')
1319 dep_xfixes = dependency('xfixes')
1320 dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
1321 dep_xxf86vm = dependency('xxf86vm', required : false)
1323 if (with_any_vk or with_glx == 'dri' or
1324 (with_gallium_vdpau or with_gallium_xvmc or with_gallium_va or
1325 with_gallium_omx != 'disabled'))
1326 dep_xcb = dependency('xcb')
1327 dep_x11_xcb = dependency('x11-xcb')
1329 if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
1330 dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
1333 pre_args += '-DHAVE_DRI3'
1334 dep_xcb_dri3 = dependency('xcb-dri3')
1335 dep_xcb_present = dependency('xcb-present')
1336 # until xcb-dri3 has been around long enough to make a hard-dependency:
1337 if (dep_xcb_dri3.version().version_compare('>= 1.13') and
1338 dep_xcb_present.version().version_compare('>= 1.13'))
1339 pre_args += '-DHAVE_DRI3_MODIFIERS'
1341 dep_xcb_sync = dependency('xcb-sync')
1342 dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
1345 if with_glx == 'dri'
1346 if with_dri_platform == 'drm'
1347 dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
1349 dep_glproto = dependency('glproto', version : '>= 1.4.14')
1352 with_gallium_vdpau or with_gallium_xvmc or with_gallium_xa or
1353 with_gallium_omx != 'disabled'))
1354 dep_xcb_xfixes = dependency('xcb-xfixes')
1357 dep_xcb_xrandr = dependency('xcb-randr', version : '>= 1.12')
1358 dep_xlib_xrandr = dependency('xrandr', version : '>= 1.3')
1362 if get_option('gallium-extra-hud')
1363 pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
1366 _sensors = get_option('lmsensors')
1367 if _sensors != 'false'
1368 dep_lmsensors = cc.find_library('libsensors', required : _sensors == 'true')
1369 if dep_lmsensors.found()
1370 pre_args += '-DHAVE_LIBSENSORS=1'
1373 dep_lmsensors = null_dep
1376 foreach a : pre_args
1377 add_project_arguments(a, language : ['c', 'cpp'])
1380 add_project_arguments(a, language : ['c'])
1382 foreach a : cpp_args
1383 add_project_arguments(a, language : ['cpp'])
1386 inc_include = include_directories('include')
1390 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1391 gl_priv_reqs += ['x11', 'xext', 'xcb']
1392 elif with_glx == 'dri'
1394 'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
1396 if with_dri_platform == 'drm'
1397 gl_priv_reqs += 'xcb-dri2 >= 1.8'
1400 if dep_libdrm.found()
1401 gl_priv_reqs += 'libdrm >= 2.4.75'
1403 if dep_xxf86vm.found()
1404 gl_priv_reqs += 'xxf86vm'
1408 if dep_thread.found()
1409 gl_priv_libs += ['-lpthread', '-pthread']
1412 gl_priv_libs += '-lm'
1415 gl_priv_libs += '-ldl'
1418 pkg = import('pkgconfig')
1420 env_test = environment()
1421 env_test.set('NM', find_program('nm').path())