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.')
403 with_gallium_vdpau = false
405 dep_vdpau = dependency('vdpau', version : '>= 1.1', required : _vdpau == 'true')
407 dep_vdpau = declare_dependency(
408 compile_args : run_command(prog_pkgconfig, ['vdpau', '--cflags']).stdout().split()
410 with_gallium_vdpau = true
414 if with_gallium_vdpau
415 pre_args += '-DHAVE_ST_VDPAU'
417 vdpau_drivers_path = get_option('vdpau-libs-path')
418 if vdpau_drivers_path == ''
419 vdpau_drivers_path = join_paths(get_option('libdir'), 'vdpau')
422 _xvmc = get_option('gallium-xvmc')
423 if not system_has_kms_drm
425 error('XVMC state tracker can only be build on unix-like OSes.')
429 elif not with_platform_x11
431 error('XVMC state tracker requires X11 support.')
435 elif not (with_gallium_r600 or with_gallium_nouveau)
437 error('XVMC state tracker requires at least one of the following gallium drivers: r600, nouveau.')
444 with_gallium_xvmc = _xvmc == 'true'
447 dep_xvmc = dependency('xvmc', version : '>= 1.0.6')
450 xvmc_drivers_path = get_option('xvmc-libs-path')
451 if xvmc_drivers_path == ''
452 xvmc_drivers_path = get_option('libdir')
455 _omx = get_option('gallium-omx')
456 if not system_has_kms_drm
457 if ['auto', 'disabled'].contains(_omx)
460 error('OMX state tracker can only be built on unix-like OSes.')
462 elif not (with_platform_x11 or with_platform_drm)
463 if ['auto', 'disabled'].contains(_omx)
466 error('OMX state tracker requires X11 or drm platform support.')
468 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
469 if ['auto', 'disabled'].contains(_omx)
472 error('OMX state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
475 with_gallium_omx = _omx
478 if ['auto', 'bellagio'].contains(_omx)
479 dep_omx = dependency(
480 'libomxil-bellagio', required : _omx == 'bellagio'
483 with_gallium_omx = 'bellagio'
486 if ['auto', 'tizonia'].contains(_omx)
487 if with_dri and with_egl
488 dep_omx = dependency(
489 'libtizonia', version : '>= 0.10.0',
490 required : _omx == 'tizonia',
493 dependency('libtizplatform', required : _omx == 'tizonia'),
494 dependency('tizilheaders', required : _omx == 'tizonia'),
496 if dep_omx.found() and dep_omx_other[0].found() and dep_omx_other[1].found()
497 with_gallium_omx = 'tizonia'
499 elif _omx == 'tizonia'
500 error('OMX-Tizonia state tracker requires dri and egl')
504 with_gallium_omx = 'disabled'
506 with_gallium_omx = _omx
510 '-DENABLE_ST_OMX_BELLAGIO=' + (with_gallium_omx == 'bellagio' ? '1' : '0'),
511 '-DENABLE_ST_OMX_TIZONIA=' + (with_gallium_omx == 'tizonia' ? '1' : '0'),
515 omx_drivers_path = get_option('omx-libs-path')
517 if with_gallium_omx != 'disabled'
518 # Figure out where to put the omx driver.
519 # FIXME: this could all be vastly simplified by adding a 'defined_variable'
520 # argument to meson's get_pkgconfig_variable method.
521 if omx_drivers_path == ''
522 _omx_libdir = dep_omx.get_pkgconfig_variable('libdir')
523 _omx_drivers_dir = dep_omx.get_pkgconfig_variable('pluginsdir')
524 if _omx_libdir == get_option('libdir')
525 omx_drivers_path = _omx_drivers_dir
528 # This will fail on windows. Does OMX run on windows?
529 _omx_libdir = _omx_libdir.split('/')
530 _omx_drivers_dir = _omx_drivers_dir.split('/')
531 foreach o : _omx_drivers_dir
532 if not _omx_libdir.contains(o)
536 omx_drivers_path = join_paths(get_option('libdir'), _omx_base_dir)
541 _va = get_option('gallium-va')
542 if not system_has_kms_drm
544 error('VA state tracker can only be built on unix-like OSes.')
548 elif not (with_platform_x11 or with_platform_drm)
550 error('VA state tracker requires X11 or drm or wayland platform support.')
554 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
556 error('VA state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
563 with_gallium_va = _va == 'true'
566 dep_va = dependency('libva', version : '>= 0.39.0')
567 dep_va_headers = declare_dependency(
568 compile_args : run_command(prog_pkgconfig, ['libva', '--cflags']).stdout().split()
572 va_drivers_path = get_option('va-libs-path')
573 if va_drivers_path == ''
574 va_drivers_path = join_paths(get_option('libdir'), 'dri')
577 _xa = get_option('gallium-xa')
578 if not system_has_kms_drm
580 error('XA state tracker can only be built on unix-like OSes.')
584 elif not (with_gallium_nouveau or with_gallium_freedreno or with_gallium_i915
585 or with_gallium_svga)
587 error('XA state tracker requires at least one of the following gallium drivers: nouveau, freedreno, i915, svga.')
592 with_gallium_xa = _xa != 'false'
594 d3d_drivers_path = get_option('d3d-drivers-path')
595 if d3d_drivers_path == ''
596 d3d_drivers_path = join_paths(get_option('libdir'), 'd3d')
599 with_gallium_st_nine = get_option('gallium-nine')
600 if with_gallium_st_nine
601 if not with_gallium_softpipe
602 error('The nine state tracker requires gallium softpipe/llvmpipe.')
603 elif not (with_gallium_radeonsi or with_gallium_nouveau or with_gallium_r600
604 or with_gallium_r300 or with_gallium_svga or with_gallium_i915)
605 error('The nine state tracker requires at least on non-swrast gallium driver.')
608 error('Using nine with wine requires dri3')
612 if get_option('power8') != 'false'
613 if host_machine.cpu_family() == 'ppc64le'
614 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.8')
615 error('Altivec is not supported with gcc version < 4.8.')
620 vector unsigned char r;
621 vector unsigned int v = vec_splat_u32 (1);
622 r = __builtin_vec_vgbbd ((vector unsigned char) v);
625 args : '-mpower8-vector',
626 name : 'POWER8 intrinsics')
627 pre_args += ['-D_ARCH_PWR8', '-mpower8-vector']
628 elif get_option('power8') == 'true'
629 error('POWER8 intrinsic support required but not found.')
634 _opencl = get_option('gallium-opencl')
635 if _opencl != 'disabled'
637 error('OpenCL Clover implementation requires at least one gallium driver.')
640 dep_clc = dependency('libclc')
641 with_gallium_opencl = true
642 with_opencl_icd = _opencl == 'icd'
645 with_gallium_opencl = false
646 with_gallium_icd = false
649 gl_pkgconfig_c_flags = []
651 if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
652 pre_args += '-DHAVE_X11_PLATFORM'
654 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
655 pre_args += '-DUSE_XSHM'
657 pre_args += '-DGLX_INDIRECT_RENDERING'
659 pre_args += '-DGLX_DIRECT_RENDERING'
661 if with_dri_platform == 'drm'
662 pre_args += '-DGLX_USE_DRM'
663 elif with_dri_platform == 'apple'
664 pre_args += '-DGLX_USE_APPLEGL'
665 elif with_dri_platform == 'windows'
666 pre_args += '-DGLX_USE_WINDOWSGL'
670 pre_args += '-DMESA_EGL_NO_X11_HEADERS'
671 gl_pkgconfig_c_flags += '-DMESA_EGL_NO_X11_HEADERS'
674 if with_egl and not with_gbm
675 error('EGL drm platform requires gbm')
677 pre_args += '-DHAVE_DRM_PLATFORM'
679 if with_platform_surfaceless
680 pre_args += '-DHAVE_SURFACELESS_PLATFORM'
682 if with_platform_android
684 dependency('cutils'),
685 dependency('hardware'),
688 pre_args += '-DHAVE_ANDROID_PLATFORM'
690 if with_platform_haiku
691 pre_args += '-DHAVE_HAIKU_PLATFORM'
694 prog_python2 = find_program('python2')
695 has_mako = run_command(prog_python2, '-c', 'import mako')
696 if has_mako.returncode() != 0
697 error('Python (2.x) mako module required to build mesa.')
700 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
701 error('When using GCC, version 4.4.6 or later is required.')
704 # Define DEBUG for debug builds only (debugoptimized is not included on this one)
705 if get_option('buildtype') == 'debug'
706 pre_args += '-DDEBUG'
709 if get_option('shader-cache')
710 pre_args += '-DENABLE_SHADER_CACHE'
712 error('Radv requires shader cache support')
715 # Check for GCC style builtins
716 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
717 'ffsll', 'popcount', 'popcountll', 'unreachable']
718 if cc.has_function(b)
719 pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
723 # check for GCC __attribute__
724 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
725 'warn_unused_result', 'weak',]
726 if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
727 name : '__attribute__((@0@))'.format(a))
728 pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
731 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
732 name : '__attribute__((format(...)))')
733 pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
735 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
736 name : '__attribute__((packed))')
737 pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
739 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
740 name : '__attribute__((returns_nonnull))')
741 pre_args += '-DHAVE_FUNC_ATTRIBUTE_RETURNS_NONNULL'
743 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
744 int foo_hid(void) __attribute__((visibility("hidden")));
745 int foo_int(void) __attribute__((visibility("internal")));
746 int foo_pro(void) __attribute__((visibility("protected")));''',
747 name : '__attribute__((visibility(...)))')
748 pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISIBILITY'
750 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
751 name : '__attribute__((alias(...)))')
752 pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
754 if cc.compiles('int foo(void) __attribute__((__noreturn__));',
755 name : '__attribute__((__noreturn__))')
756 pre_args += '-DHAVE_FUNC_ATTRIBUTE_NORETURN'
759 # TODO: this is very incomplete
760 if ['linux', 'cygwin'].contains(host_machine.system())
761 pre_args += '-D_GNU_SOURCE'
764 # Check for generic C arguments
766 foreach a : ['-Wall', '-Werror=implicit-function-declaration',
767 '-Werror=missing-prototypes', '-fno-math-errno',
768 '-fno-trapping-math', '-Qunused-arguments']
769 if cc.has_argument(a)
773 if cc.has_argument('-Wmissing-field-initializers')
774 c_args += '-Wno-missing-field-initializers'
778 if cc.has_argument('-fvisibility=hidden')
779 c_vis_args += '-fvisibility=hidden'
782 # Check for generic C++ arguments
784 foreach a : ['-Wall', '-fno-math-errno', '-fno-trapping-math',
785 '-Qunused-arguments']
786 if cpp.has_argument(a)
791 # For some reason, the test for -Wno-foo always succeeds with gcc, even if the
792 # option is not supported. Hence, check for -Wfoo instead.
794 foreach a : ['non-virtual-dtor', 'missing-field-initializers']
795 if cpp.has_argument('-W' + a)
796 cpp_args += '-Wno-' + a
800 no_override_init_args = []
801 foreach a : ['override-init', 'initializer-overrides']
802 if cc.has_argument('-W' + a)
803 no_override_init_args += '-Wno-' + a
808 if cpp.has_argument('-fvisibility=hidden')
809 cpp_vis_args += '-fvisibility=hidden'
812 # Check for C and C++ arguments for MSVC2013 compatibility. These are only used
813 # in parts of the mesa code base that need to compile with old versions of
814 # MSVC, mainly common code
815 c_msvc_compat_args = []
816 cpp_msvc_compat_args = []
817 foreach a : ['-Werror=pointer-arith', '-Werror=vla']
818 if cc.has_argument(a)
819 c_msvc_compat_args += a
821 if cpp.has_argument(a)
822 cpp_msvc_compat_args += a
826 if host_machine.cpu_family().startswith('x86')
827 pre_args += '-DUSE_SSE41'
829 sse41_args = ['-msse4.1']
831 # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
832 # that's not guaranteed
833 if host_machine.cpu_family() == 'x86'
834 sse41_args += '-mstackrealign'
841 # Check for GCC style atomics
842 dep_atomic = null_dep
844 if cc.compiles('''#include <stdint.h>
849 return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
850 (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
853 name : 'GCC atomic builtins')
854 pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
856 # Not all atomic calls can be turned into lock-free instructions, in which
857 # GCC will make calls into the libatomic library. Check whether we need to
858 # link with -latomic.
860 # This can happen for 64-bit atomic operations on 32-bit architectures such
862 if not cc.links('''#include <stdint.h>
867 return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
868 (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
870 name : 'GCC atomic builtins required -latomic')
871 dep_atomic = cc.find_library('atomic')
874 if not cc.links('''#include <stdint.h>
877 return __sync_add_and_fetch(&v, (uint64_t)1);
879 name : 'GCC 64bit atomics')
880 pre_args += '-DMISSING_64_BIT_ATOMICS'
883 # TODO: shared/static? Is this even worth doing?
885 # When cross compiling we generally need to turn off the use of assembly,
886 # because mesa's assembly relies on building an executable for the host system,
887 # and running it to get information about struct sizes. There is at least one
888 # case of cross compiling where we can use asm, and that's x86_64 -> x86 when
889 # host OS == build OS, since in that case the build machine can run the host's
891 if meson.is_cross_build()
892 if build_machine.system() != host_machine.system()
893 # TODO: It may be possible to do this with an exe_wrapper (like wine).
894 message('Cross compiling from one OS to another, disabling assembly.')
896 elif not (build_machine.cpu_family().startswith('x86') and host_machine.cpu_family() == 'x86')
897 # FIXME: Gentoo always sets -m32 for x86_64 -> x86 builds, resulting in an
898 # x86 -> x86 cross compile. We use startswith rather than == to handle this
900 # TODO: There may be other cases where the 64 bit version of the
901 # architecture can run 32 bit binaries (aarch64 and armv7 for example)
903 Cross compiling to different architectures, and the host cannot run
904 the build machine's binaries. Disabling assembly.
912 if host_machine.cpu_family() == 'x86'
913 if system_has_kms_drm
914 with_asm_arch = 'x86'
915 pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
918 if with_glx_read_only_text
919 pre_args += ['-DGLX_X86_READONLY_TEXT']
922 elif host_machine.cpu_family() == 'x86_64'
923 if system_has_kms_drm
924 with_asm_arch = 'x86_64'
925 pre_args += ['-DUSE_X86_64_ASM']
927 elif host_machine.cpu_family() == 'arm'
928 if system_has_kms_drm
929 with_asm_arch = 'arm'
930 pre_args += ['-DUSE_ARM_ASM']
932 elif host_machine.cpu_family() == 'aarch64'
933 if system_has_kms_drm
934 with_asm_arch = 'aarch64'
935 pre_args += ['-DUSE_AARCH64_ASM']
937 elif host_machine.cpu_family() == 'sparc64'
938 if system_has_kms_drm
939 with_asm_arch = 'sparc'
940 pre_args += ['-DUSE_SPARC_ASM']
942 elif host_machine.cpu_family() == 'ppc64le'
943 if system_has_kms_drm
944 with_asm_arch = 'ppc64le'
945 pre_args += ['-DUSE_PPC64LE_ASM']
950 # Check for standard headers and functions
951 if cc.has_header_symbol('sys/sysmacros.h', 'major')
952 pre_args += '-DMAJOR_IN_SYSMACROS'
953 elif cc.has_header_symbol('sys/mkdev.h', 'major')
954 pre_args += '-DMAJOR_IN_MKDEV'
957 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h', 'endian.h']
958 if cc.compiles('#include <@0@>'.format(h), name : '@0@'.format(h))
959 pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
963 foreach f : ['strtof', 'mkostemp', 'posix_memalign', 'timespec_get', 'memfd_create']
964 if cc.has_function(f)
965 pre_args += '-DHAVE_@0@'.format(f.to_upper())
969 # strtod locale support
974 #ifdef HAVE_XLOCALE_H
978 locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
979 const char *s = "1.0";
981 double d = strtod_l(s, end, loc);
982 float f = strtof_l(s, end, loc);
986 extra_args : pre_args,
987 name : 'strtod has locale support')
988 pre_args += '-DHAVE_STRTOD_L'
991 # Check for some linker flags
992 ld_args_bsymbolic = []
993 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
994 ld_args_bsymbolic += '-Wl,-Bsymbolic'
996 ld_args_gc_sections = []
997 if cc.links('static char unused() { return 5; } int main() { return 0; }',
998 args : '-Wl,--gc-sections', name : 'gc-sections')
999 ld_args_gc_sections += '-Wl,--gc-sections'
1001 with_ld_version_script = false
1002 if cc.links('int main() { return 0; }',
1003 args : '-Wl,--version-script=@0@'.format(
1004 join_paths(meson.source_root(), 'build-support/conftest.map')),
1005 name : 'version-script')
1006 with_ld_version_script = true
1008 with_ld_dynamic_list = false
1009 if cc.links('int main() { return 0; }',
1010 args : '-Wl,--dynamic-list=@0@'.format(
1011 join_paths(meson.source_root(), 'build-support/conftest.dyn')),
1012 name : 'dynamic-list')
1013 with_ld_dynamic_list = true
1015 ld_args_build_id = []
1016 if build_machine.system() != 'darwin'
1017 ld_args_build_id += '-Wl,--build-id=sha1'
1020 # check for dl support
1021 if cc.has_function('dlopen')
1024 dep_dl = cc.find_library('dl')
1026 if cc.has_function('dladdr', dependencies : dep_dl)
1027 # This is really only required for megadrivers
1028 pre_args += '-DHAVE_DLADDR'
1031 if cc.has_function('dl_iterate_phdr')
1032 pre_args += '-DHAVE_DL_ITERATE_PHDR'
1034 error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
1035 elif with_dri_i965 and get_option('shader-cache')
1036 error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
1039 # Determine whether or not the rt library is needed for time functions
1040 if cc.has_function('clock_gettime')
1041 dep_clock = null_dep
1043 dep_clock = cc.find_library('rt')
1046 # TODO: some of these may be conditional
1047 dep_zlib = dependency('zlib', version : '>= 1.2.3')
1048 pre_args += '-DHAVE_ZLIB'
1049 dep_thread = dependency('threads')
1050 if dep_thread.found() and host_machine.system() != 'windows'
1051 pre_args += '-DHAVE_PTHREAD'
1053 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600 or with_gallium_opencl
1054 dep_elf = dependency('libelf', required : false)
1055 if not dep_elf.found()
1056 dep_elf = cc.find_library('elf')
1061 dep_expat = dependency('expat')
1062 # this only exists on linux so either this is linux and it will be found, or
1063 # its not linux and and wont
1064 dep_m = cc.find_library('m', required : false)
1066 # Check for libdrm. various drivers have different libdrm version requirements,
1067 # but we always want to use the same version for all libdrm modules. That means
1068 # even if driver foo requires 2.4.0 and driver bar requires 2.4.3, if foo and
1069 # bar are both on use 2.4.3 for both of them
1070 dep_libdrm_amdgpu = null_dep
1071 dep_libdrm_radeon = null_dep
1072 dep_libdrm_nouveau = null_dep
1073 dep_libdrm_etnaviv = null_dep
1074 dep_libdrm_freedreno = null_dep
1075 dep_libdrm_intel = null_dep
1077 _drm_amdgpu_ver = '2.4.91'
1078 _drm_radeon_ver = '2.4.71'
1079 _drm_nouveau_ver = '2.4.66'
1080 _drm_etnaviv_ver = '2.4.89'
1081 _drm_freedreno_ver = '2.4.92'
1082 _drm_intel_ver = '2.4.75'
1086 ['intel', with_dri_i915 or with_gallium_i915],
1087 ['amdgpu', with_amd_vk or with_gallium_radeonsi],
1088 ['radeon', (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
1089 with_gallium_r300 or with_gallium_r600)],
1090 ['nouveau', (with_gallium_nouveau or with_dri_nouveau)],
1091 ['etnaviv', with_gallium_etnaviv],
1092 ['freedreno', with_gallium_freedreno],
1095 # VC4 only needs core libdrm support of this version, not a libdrm_vc4
1101 # Loop over the enables versions and get the highest libdrm requirement for all
1103 foreach d : _libdrm_checks
1104 ver = get_variable('_drm_@0@_ver'.format(d[0]))
1105 if d[1] and ver.version_compare('>' + _drm_ver)
1110 # Then get each libdrm module
1111 foreach d : _libdrm_checks
1114 'dep_libdrm_' + d[0],
1115 dependency('libdrm_' + d[0], version : '>=' + _drm_ver)
1120 with_gallium_drisw_kms = false
1121 dep_libdrm = dependency(
1122 'libdrm', version : '>=' + _drm_ver,
1123 required : with_dri2 or with_dri3
1125 if dep_libdrm.found()
1126 pre_args += '-DHAVE_LIBDRM'
1127 if with_dri_platform == 'drm' and with_dri
1128 with_gallium_drisw_kms = true
1132 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
1133 llvm_optional_modules = []
1134 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
1135 llvm_modules += ['amdgpu', 'bitreader', 'ipo']
1136 if with_gallium_r600
1137 llvm_modules += 'asmparser'
1140 if with_gallium_opencl
1142 'all-targets', 'linker', 'coverage', 'instrumentation', 'ipo', 'irreader',
1143 'lto', 'option', 'objcarcopts', 'profiledata',
1145 llvm_optional_modules += ['coroutines', 'opencl']
1148 if with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1149 _llvm_version = '>= 5.0.0'
1150 elif with_gallium_opencl or with_gallium_r600
1151 _llvm_version = '>= 3.9.0'
1153 _llvm_version = '>= 3.3.0'
1156 _llvm = get_option('llvm')
1158 dep_llvm = dependency(
1160 version : _llvm_version,
1161 modules : llvm_modules,
1162 optional_modules : llvm_optional_modules,
1163 required : with_amd_vk or with_gallium_radeonsi or with_gallium_swr or with_gallium_opencl,
1165 with_llvm = dep_llvm.found()
1166 elif _llvm == 'true'
1167 dep_llvm = dependency(
1169 version : _llvm_version,
1170 modules : llvm_modules,
1171 optional_modules : llvm_optional_modules,
1179 _llvm_version = dep_llvm.version().split('.')
1180 # Development versions of LLVM have an 'svn' or 'git' suffix, we don't want
1181 # that for our version checks.
1182 # svn suffixes are stripped by meson as of 0.43, and git suffixes are
1183 # strippped as of 0.44, but we support older meson versions.
1185 # 3 digits versions in LLVM only started from 3.4.1 on
1186 if dep_llvm.version().version_compare('>= 3.4.1')
1187 _llvm_patch = _llvm_version[2]
1192 if _llvm_patch.endswith('svn')
1193 _llvm_patch = _llvm_patch.split('s')[0]
1194 elif _llvm_patch.contains('git')
1195 _llvm_patch = _llvm_patch.split('g')[0]
1198 '-DHAVE_LLVM=0x0@0@0@1@'.format(_llvm_version[0], _llvm_version[1]),
1199 '-DMESA_LLVM_VERSION_PATCH=@0@'.format(_llvm_patch),
1202 # LLVM can be built without rtti, turning off rtti changes the ABI of C++
1203 # programs, so we need to build all C++ code in mesa without rtti as well to
1204 # ensure that linking works.
1205 if dep_llvm.get_configtool_variable('has-rtti') == 'NO'
1206 cpp_args += '-fno-rtti'
1208 elif with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1209 error('The following drivers require LLVM: Radv, RadeonSI, SWR. One of these is enabled, but LLVM is disabled.')
1212 dep_glvnd = null_dep
1214 dep_glvnd = dependency('libglvnd', version : '>= 0.2.0')
1215 pre_args += '-DUSE_LIBGLVND=1'
1218 if with_valgrind != 'false'
1219 dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
1220 if dep_valgrind.found()
1221 pre_args += '-DHAVE_VALGRIND'
1224 dep_valgrind = null_dep
1227 # pthread stubs. Lets not and say we didn't
1229 prog_bison = find_program('bison', required : with_any_opengl)
1230 prog_flex = find_program('flex', required : with_any_opengl)
1232 dep_selinux = null_dep
1233 if get_option('selinux')
1234 dep_selinux = dependency('libselinux')
1235 pre_args += '-DMESA_SELINUX'
1238 if with_libunwind != 'false'
1239 dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
1240 if dep_unwind.found()
1241 pre_args += '-DHAVE_LIBUNWIND'
1244 dep_unwind = null_dep
1247 if with_osmesa != 'none'
1248 if with_osmesa == 'classic' and not with_dri_swrast
1249 error('OSMesa classic requires dri (classic) swrast.')
1251 if with_osmesa == 'gallium' and not with_gallium_softpipe
1252 error('OSMesa gallium requires gallium softpipe or llvmpipe.')
1254 osmesa_lib_name = 'OSMesa'
1255 osmesa_bits = get_option('osmesa-bits')
1256 if osmesa_bits != '8'
1257 if with_dri or with_glx != 'disabled'
1258 error('OSMesa bits must be 8 if building glx or dir based drivers')
1260 osmesa_lib_name = osmesa_lib_name + osmesa_bits
1262 '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
1267 # TODO: symbol mangling
1269 if with_platform_wayland
1270 prog_wl_scanner = find_program('wayland-scanner')
1271 dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
1272 dep_wayland_client = dependency('wayland-client', version : '>=1.11')
1273 dep_wayland_server = dependency('wayland-server', version : '>=1.11')
1275 dep_wayland_egl = dependency('wayland-egl-backend', version : '>= 3')
1276 dep_wayland_egl_headers = declare_dependency(
1277 compile_args : run_command(prog_pkgconfig, ['wayland-egl-backend', '--cflags']).stdout().split())
1279 wayland_dmabuf_xml = join_paths(
1280 dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
1281 'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
1283 pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
1285 prog_wl_scanner = []
1286 dep_wl_protocols = null_dep
1287 dep_wayland_client = null_dep
1288 dep_wayland_server = null_dep
1289 wayland_dmabuf_xml = ''
1294 dep_xdamage = null_dep
1295 dep_xfixes = null_dep
1296 dep_x11_xcb = null_dep
1298 dep_xcb_glx = null_dep
1299 dep_xcb_dri2 = null_dep
1300 dep_xcb_dri3 = null_dep
1301 dep_dri2proto = null_dep
1302 dep_glproto = null_dep
1303 dep_xxf86vm = null_dep
1304 dep_xcb_dri3 = null_dep
1305 dep_xcb_present = null_dep
1306 dep_xcb_sync = null_dep
1307 dep_xcb_xfixes = null_dep
1308 dep_xshmfence = null_dep
1309 dep_xcb_xrandr = null_dep
1310 dep_xlib_xrandr = null_dep
1311 if with_platform_x11
1312 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1313 dep_x11 = dependency('x11')
1314 dep_xext = dependency('xext')
1315 dep_xcb = dependency('xcb')
1316 elif with_glx == 'dri'
1317 dep_x11 = dependency('x11')
1318 dep_xext = dependency('xext')
1319 dep_xdamage = dependency('xdamage', version : '>= 1.1')
1320 dep_xfixes = dependency('xfixes')
1321 dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
1322 dep_xxf86vm = dependency('xxf86vm', required : false)
1324 if (with_any_vk or with_glx == 'dri' or
1325 (with_gallium_vdpau or with_gallium_xvmc or with_gallium_va or
1326 with_gallium_omx != 'disabled'))
1327 dep_xcb = dependency('xcb')
1328 dep_x11_xcb = dependency('x11-xcb')
1330 if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
1331 dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
1334 pre_args += '-DHAVE_DRI3'
1335 dep_xcb_dri3 = dependency('xcb-dri3')
1336 dep_xcb_present = dependency('xcb-present')
1337 # until xcb-dri3 has been around long enough to make a hard-dependency:
1338 if (dep_xcb_dri3.version().version_compare('>= 1.13') and
1339 dep_xcb_present.version().version_compare('>= 1.13'))
1340 pre_args += '-DHAVE_DRI3_MODIFIERS'
1342 dep_xcb_sync = dependency('xcb-sync')
1343 dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
1346 if with_glx == 'dri'
1347 if with_dri_platform == 'drm'
1348 dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
1350 dep_glproto = dependency('glproto', version : '>= 1.4.14')
1353 with_gallium_vdpau or with_gallium_xvmc or with_gallium_xa or
1354 with_gallium_omx != 'disabled'))
1355 dep_xcb_xfixes = dependency('xcb-xfixes')
1358 dep_xcb_xrandr = dependency('xcb-randr', version : '>= 1.12')
1359 dep_xlib_xrandr = dependency('xrandr', version : '>= 1.3')
1363 if get_option('gallium-extra-hud')
1364 pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
1367 _sensors = get_option('lmsensors')
1368 if _sensors != 'false'
1369 dep_lmsensors = cc.find_library('libsensors', required : _sensors == 'true')
1370 if dep_lmsensors.found()
1371 pre_args += '-DHAVE_LIBSENSORS=1'
1374 dep_lmsensors = null_dep
1377 foreach a : pre_args
1378 add_project_arguments(a, language : ['c', 'cpp'])
1381 add_project_arguments(a, language : ['c'])
1383 foreach a : cpp_args
1384 add_project_arguments(a, language : ['cpp'])
1387 inc_include = include_directories('include')
1391 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1392 gl_priv_reqs += ['x11', 'xext', 'xcb']
1393 elif with_glx == 'dri'
1395 'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
1397 if with_dri_platform == 'drm'
1398 gl_priv_reqs += 'xcb-dri2 >= 1.8'
1401 if dep_libdrm.found()
1402 gl_priv_reqs += 'libdrm >= 2.4.75'
1404 if dep_xxf86vm.found()
1405 gl_priv_reqs += 'xxf86vm'
1409 if dep_thread.found()
1410 gl_priv_libs += ['-lpthread', '-pthread']
1413 gl_priv_libs += '-lm'
1416 gl_priv_libs += '-ldl'
1419 pkg = import('pkgconfig')
1421 env_test = environment()
1422 env_test.set('NM', find_program('nm').path())