1 # Copyright © 2017-2018 Intel Corporation
3 # Permission is hereby granted, free of charge, to any person obtaining a copy
4 # of this software and associated documentation files (the "Software"), to deal
5 # in the Software without restriction, including without limitation the rights
6 # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
7 # copies of the Software, and to permit persons to whom the Software is
8 # furnished to do so, subject to the following conditions:
10 # The above copyright notice and this permission notice shall be included in
11 # all copies or substantial portions of the Software.
13 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
16 # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
17 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
18 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
24 version : run_command(
25 [find_program('python', 'python2', 'python3'), 'bin/meson_get_version.py']
28 meson_version : '>= 0.44.1',
29 default_options : ['buildtype=debugoptimized', 'c_std=c99', 'cpp_std=c++11']
32 cc = meson.get_compiler('c')
33 cpp = meson.get_compiler('cpp')
35 null_dep = dependency('', required : false)
37 system_has_kms_drm = ['openbsd', 'netbsd', 'freebsd', 'dragonfly', 'linux'].contains(host_machine.system())
39 # Arguments for the preprocessor, put these in a separate array from the C and
40 # C++ (cpp in meson terminology) arguments since they need to be added to the
41 # default arguments for both C and C++.
43 '-D__STDC_CONSTANT_MACROS',
44 '-D__STDC_FORMAT_MACROS',
45 '-D__STDC_LIMIT_MACROS',
46 '-DVERSION="@0@"'.format(meson.project_version()),
47 '-DPACKAGE_VERSION=VERSION',
48 '-DPACKAGE_BUGREPORT="https://bugs.freedesktop.org/enter_bug.cgi?product=Mesa"',
51 with_vulkan_icd_dir = get_option('vulkan-icd-dir')
52 with_tests = get_option('build-tests')
53 with_valgrind = get_option('valgrind')
54 with_libunwind = get_option('libunwind')
55 with_asm = get_option('asm')
56 with_glx_read_only_text = get_option('glx-read-only-text')
57 with_osmesa = get_option('osmesa')
58 with_swr_arches = get_option('swr-arches')
59 with_tools = get_option('tools')
60 if with_tools.contains('all')
61 with_tools = ['freedreno', 'glsl', 'intel', 'nir', 'nouveau']
63 if get_option('texture-float')
64 pre_args += '-DTEXTURE_FLOAT_ENABLED'
65 warning('Floating-point texture enabled. Please consult docs/patents.txt and your lawyer before building mesa.')
68 dri_drivers_path = get_option('dri-drivers-path')
69 if dri_drivers_path == ''
70 dri_drivers_path = join_paths(get_option('libdir'), 'dri')
72 dri_search_path = get_option('dri-search-path')
73 if dri_search_path == ''
74 dri_search_path = join_paths(get_option('prefix'), dri_drivers_path)
77 with_gles1 = get_option('gles1')
78 with_gles2 = get_option('gles2')
79 with_opengl = get_option('opengl')
80 with_any_opengl = with_opengl or with_gles1 or with_gles2
81 # Only build shared_glapi if at least one OpenGL API is enabled
82 with_shared_glapi = get_option('shared-glapi') and with_any_opengl
85 # shared-glapi is required if at least two OpenGL APIs are being built
86 if not with_shared_glapi
87 if ((with_gles1 and with_gles2) or (with_gles1 and with_opengl)
88 or (with_gles2 and with_opengl))
89 error('shared-glapi required for building two or more of OpenGL, OpenGL ES 1.x, OpenGL ES 2.x')
93 # We require OpenGL for OpenGL ES
94 if (with_gles1 or with_gles2) and not with_opengl
95 error('building OpenGL ES without OpenGL is not supported.')
98 system_has_kms_drm = ['openbsd', 'netbsd', 'freebsd', 'dragonfly', 'linux'].contains(host_machine.system())
100 _drivers = get_option('dri-drivers')
101 if _drivers.contains('auto')
102 if system_has_kms_drm
104 if ['x86', 'x86_64'].contains(host_machine.cpu_family())
105 _drivers = ['i915', 'i965', 'r100', 'r200', 'nouveau']
106 elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
109 error('Unknown architecture. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.')
111 elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
112 # only swrast would make sense here, but gallium swrast is a much better default
115 error('Unknown OS. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.')
119 with_dri_i915 = _drivers.contains('i915')
120 with_dri_i965 = _drivers.contains('i965')
121 with_dri_r100 = _drivers.contains('r100')
122 with_dri_r200 = _drivers.contains('r200')
123 with_dri_nouveau = _drivers.contains('nouveau')
124 with_dri_swrast = _drivers.contains('swrast')
126 with_dri = _drivers.length() != 0 and _drivers != ['']
128 _drivers = get_option('gallium-drivers')
129 if _drivers.contains('auto')
130 if system_has_kms_drm
132 if ['x86', 'x86_64'].contains(host_machine.cpu_family())
134 'r300', 'r600', 'radeonsi', 'nouveau', 'virgl', 'svga', 'swrast'
136 elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
138 'pl111', 'v3d', 'vc4', 'freedreno', 'etnaviv', 'imx', 'nouveau',
139 'tegra', 'virgl', 'swrast',
142 error('Unknown architecture. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.')
144 elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
145 _drivers = ['swrast']
147 error('Unknown OS. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.')
150 with_gallium_pl111 = _drivers.contains('pl111')
151 with_gallium_radeonsi = _drivers.contains('radeonsi')
152 with_gallium_r300 = _drivers.contains('r300')
153 with_gallium_r600 = _drivers.contains('r600')
154 with_gallium_nouveau = _drivers.contains('nouveau')
155 with_gallium_freedreno = _drivers.contains('freedreno')
156 with_gallium_softpipe = _drivers.contains('swrast')
157 with_gallium_vc4 = _drivers.contains('vc4')
158 with_gallium_v3d = _drivers.contains('v3d')
159 with_gallium_etnaviv = _drivers.contains('etnaviv')
160 with_gallium_imx = _drivers.contains('imx')
161 with_gallium_tegra = _drivers.contains('tegra')
162 with_gallium_i915 = _drivers.contains('i915')
163 with_gallium_svga = _drivers.contains('svga')
164 with_gallium_virgl = _drivers.contains('virgl')
165 with_gallium_swr = _drivers.contains('swr')
167 with_gallium = _drivers.length() != 0 and _drivers != ['']
169 if with_gallium and system_has_kms_drm
170 _glx = get_option('glx')
171 _egl = get_option('egl')
172 if _glx == 'dri' or _egl == 'true' or (_glx == 'disabled' and _egl != 'false')
177 _vulkan_drivers = get_option('vulkan-drivers')
178 if _vulkan_drivers.contains('auto')
179 if system_has_kms_drm
180 if host_machine.cpu_family().startswith('x86')
181 _vulkan_drivers = ['amd', 'intel']
183 error('Unknown architecture. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.')
185 elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
186 # No vulkan driver supports windows or macOS currently
189 error('Unknown OS. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.')
193 with_intel_vk = _vulkan_drivers.contains('intel')
194 with_amd_vk = _vulkan_drivers.contains('amd')
195 with_any_vk = _vulkan_drivers.length() != 0 and _vulkan_drivers != ['']
197 if with_dri_swrast and (with_gallium_softpipe or with_gallium_swr)
198 error('Only one swrast provider can be built')
200 if with_dri_i915 and with_gallium_i915
201 error('Only one i915 provider can be built')
203 if with_gallium_imx and not with_gallium_etnaviv
204 error('IMX driver requires etnaviv driver')
206 if with_gallium_pl111 and not with_gallium_vc4
207 error('pl111 driver requires vc4 driver')
209 if with_gallium_tegra and not with_gallium_nouveau
210 error('tegra driver requires nouveau driver')
213 if host_machine.system() == 'darwin'
214 with_dri_platform = 'apple'
215 elif ['windows', 'cygwin'].contains(host_machine.system())
216 with_dri_platform = 'windows'
217 elif system_has_kms_drm
218 with_dri_platform = 'drm'
220 # FIXME: haiku doesn't use dri, and xlib doesn't use dri, probably should
221 # assert here that one of those cases has been met.
222 # FIXME: GNU (hurd) ends up here as well, but meson doesn't officially
223 # support Hurd at time of writing (2017/11)
224 # FIXME: illumos ends up here as well
225 with_dri_platform = 'none'
228 _platforms = get_option('platforms')
229 if _platforms.contains('auto')
230 if system_has_kms_drm
231 _platforms = ['x11', 'wayland', 'drm', 'surfaceless']
232 elif ['darwin', 'windows', 'cygwin'].contains(host_machine.system())
233 _platforms = ['x11', 'surfaceless']
234 elif ['haiku'].contains(host_machine.system())
235 _platforms = ['haiku']
237 error('Unknown OS. Please pass -Dplatforms to set platforms. Patches gladly accepted to fix this.')
241 with_platform_android = _platforms.contains('android')
242 with_platform_x11 = _platforms.contains('x11')
243 with_platform_wayland = _platforms.contains('wayland')
244 with_platform_drm = _platforms.contains('drm')
245 with_platform_haiku = _platforms.contains('haiku')
246 with_platform_surfaceless = _platforms.contains('surfaceless')
248 with_platforms = false
249 if _platforms.length() != 0 and _platforms != ['']
250 with_platforms = true
251 egl_native_platform = _platforms[0]
254 with_glx = get_option('glx')
255 if with_glx == 'auto'
258 elif with_platform_haiku
259 with_glx = 'disabled'
261 # Even when building just gallium drivers the user probably wants dri
264 elif with_platform_x11 and with_any_opengl and not with_any_vk
265 # The automatic behavior should not be to turn on xlib based glx when
266 # building only vulkan drivers
269 with_glx = 'disabled'
273 if not (with_dri or with_gallium or with_glx == 'xlib' or with_glx == 'gallium-xlib')
277 with_any_opengl = false
278 with_shared_glapi = false
281 _gbm = get_option('gbm')
283 with_gbm = system_has_kms_drm and with_dri
285 with_gbm = _gbm == 'true'
287 if with_gbm and not system_has_kms_drm
288 error('GBM only supports DRM/KMS platforms')
291 _egl = get_option('egl')
293 with_egl = with_dri and with_shared_glapi and with_platforms
296 error('EGL requires dri')
297 elif not with_shared_glapi
298 error('EGL requires shared-glapi')
299 elif not with_platforms
300 error('No platforms specified, consider -Dplatforms=drm,x11 at least')
301 elif not ['disabled', 'dri'].contains(with_glx)
302 error('EGL requires dri, but a GLX is being built without dri')
309 if with_egl and not (with_platform_drm or with_platform_surfaceless)
310 if with_gallium_radeonsi
311 error('RadeonSI requires drm or surfaceless platform when using EGL')
313 if with_gallium_virgl
314 error('Virgl requires drm or surfaceless platform when using EGL')
318 pre_args += '-DGLX_USE_TLS'
319 if with_glx != 'disabled'
320 if not (with_platform_x11 and with_any_opengl)
321 error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
322 elif with_glx == 'gallium-xlib'
324 error('Gallium-xlib based GLX requires at least one gallium driver')
325 elif not with_gallium_softpipe
326 error('Gallium-xlib based GLX requires softpipe or llvmpipe.')
328 error('gallium-xlib conflicts with any dri driver')
330 elif with_glx == 'xlib'
332 error('xlib conflicts with any dri driver')
334 elif with_glx == 'dri'
336 error('dri based GLX requires at least one DRI driver')
337 elif not with_shared_glapi
338 error('dri based GLX requires shared-glapi')
343 with_glvnd = get_option('glvnd')
345 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
346 error('Cannot build glvnd support for GLX that is not DRI based.')
347 elif with_glx == 'disabled' and not with_egl
348 error('glvnd requires DRI based GLX and/or EGL')
352 # TODO: toggle for this
353 with_glx_direct = true
355 if with_vulkan_icd_dir == ''
356 with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
359 with_dri2 = (with_dri or with_any_vk) and with_dri_platform == 'drm'
360 _dri3 = get_option('dri3')
362 with_dri3 = system_has_kms_drm and with_dri2
364 with_dri3 = _dri3 == 'true'
367 if with_any_vk and (with_platform_x11 and not with_dri3)
368 error('Vulkan drivers require dri3 for X11 support')
370 if with_dri or with_gallium
371 if with_glx == 'disabled' and not with_egl and not with_platform_haiku
372 error('building dri or gallium drivers require at least one window system')
376 prog_pkgconfig = find_program('pkg-config')
378 _vdpau = get_option('gallium-vdpau')
379 if not system_has_kms_drm
381 error('VDPAU state tracker can only be build on unix-like OSes.')
385 elif not with_platform_x11
387 error('VDPAU state tracker requires X11 support.')
391 elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
392 with_gallium_nouveau)
394 error('VDPAU state tracker requires at least one of the following gallium drivers: r300, r600, radeonsi, nouveau.')
398 elif _vdpau == 'auto'
401 with_gallium_vdpau = _vdpau == 'true'
403 if with_gallium_vdpau
404 dep_vdpau = dependency('vdpau', version : '>= 1.1')
405 dep_vdpau = declare_dependency(
406 compile_args : run_command(prog_pkgconfig, ['vdpau', '--cflags']).stdout().split()
410 if with_gallium_vdpau
411 pre_args += '-DHAVE_ST_VDPAU'
413 vdpau_drivers_path = get_option('vdpau-libs-path')
414 if vdpau_drivers_path == ''
415 vdpau_drivers_path = join_paths(get_option('libdir'), 'vdpau')
418 _xvmc = get_option('gallium-xvmc')
419 if not system_has_kms_drm
421 error('XVMC state tracker can only be build on unix-like OSes.')
425 elif not with_platform_x11
427 error('XVMC state tracker requires X11 support.')
431 elif not (with_gallium_r600 or with_gallium_nouveau)
433 error('XVMC state tracker requires at least one of the following gallium drivers: r600, nouveau.')
440 with_gallium_xvmc = _xvmc == 'true'
443 dep_xvmc = dependency('xvmc', version : '>= 1.0.6')
446 xvmc_drivers_path = get_option('xvmc-libs-path')
447 if xvmc_drivers_path == ''
448 xvmc_drivers_path = get_option('libdir')
451 _omx = get_option('gallium-omx')
452 if not system_has_kms_drm
453 if ['auto', 'disabled'].contains(_omx)
456 error('OMX state tracker can only be built on unix-like OSes.')
458 elif not (with_platform_x11 or with_platform_drm)
459 if ['auto', 'disabled'].contains(_omx)
462 error('OMX state tracker requires X11 or drm platform support.')
464 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
465 if ['auto', 'disabled'].contains(_omx)
468 error('OMX state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
471 with_gallium_omx = _omx
474 if ['auto', 'bellagio'].contains(_omx)
475 dep_omx = dependency(
476 'libomxil-bellagio', required : _omx == 'bellagio'
479 with_gallium_omx = 'bellagio'
482 if ['auto', 'tizonia'].contains(_omx)
483 if with_dri and with_egl
484 dep_omx = dependency(
485 'libtizonia', version : '>= 0.10.0',
486 required : _omx == 'tizonia',
489 dependency('libtizplatform', required : _omx == 'tizonia'),
490 dependency('tizilheaders', required : _omx == 'tizonia'),
492 if dep_omx.found() and dep_omx_other[0].found() and dep_omx_other[1].found()
493 with_gallium_omx = 'tizonia'
495 elif _omx == 'tizonia'
496 error('OMX-Tizonia state tracker requires dri and egl')
500 with_gallium_omx = 'disabled'
502 with_gallium_omx = _omx
506 '-DENABLE_ST_OMX_BELLAGIO=' + (with_gallium_omx == 'bellagio' ? '1' : '0'),
507 '-DENABLE_ST_OMX_TIZONIA=' + (with_gallium_omx == 'tizonia' ? '1' : '0'),
511 omx_drivers_path = get_option('omx-libs-path')
513 if with_gallium_omx != 'disabled'
514 # Figure out where to put the omx driver.
515 # FIXME: this could all be vastly simplified by adding a 'defined_variable'
516 # argument to meson's get_pkgconfig_variable method.
517 if omx_drivers_path == ''
518 _omx_libdir = dep_omx.get_pkgconfig_variable('libdir')
519 _omx_drivers_dir = dep_omx.get_pkgconfig_variable('pluginsdir')
520 if _omx_libdir == get_option('libdir')
521 omx_drivers_path = _omx_drivers_dir
524 # This will fail on windows. Does OMX run on windows?
525 _omx_libdir = _omx_libdir.split('/')
526 _omx_drivers_dir = _omx_drivers_dir.split('/')
527 foreach o : _omx_drivers_dir
528 if not _omx_libdir.contains(o)
532 omx_drivers_path = join_paths(get_option('libdir'), _omx_base_dir)
537 _va = get_option('gallium-va')
538 if not system_has_kms_drm
540 error('VA state tracker can only be built on unix-like OSes.')
544 elif not (with_platform_x11 or with_platform_drm)
546 error('VA state tracker requires X11 or drm or wayland platform support.')
550 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
552 error('VA state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
559 with_gallium_va = _va == 'true'
562 dep_va = dependency('libva', version : '>= 0.39.0')
563 dep_va_headers = declare_dependency(
564 compile_args : run_command(prog_pkgconfig, ['libva', '--cflags']).stdout().split()
568 va_drivers_path = get_option('va-libs-path')
569 if va_drivers_path == ''
570 va_drivers_path = join_paths(get_option('libdir'), 'dri')
573 _xa = get_option('gallium-xa')
574 if not system_has_kms_drm
576 error('XA state tracker can only be built on unix-like OSes.')
580 elif not (with_gallium_nouveau or with_gallium_freedreno or with_gallium_i915
581 or with_gallium_svga)
583 error('XA state tracker requires at least one of the following gallium drivers: nouveau, freedreno, i915, svga.')
588 with_gallium_xa = _xa != 'false'
590 d3d_drivers_path = get_option('d3d-drivers-path')
591 if d3d_drivers_path == ''
592 d3d_drivers_path = join_paths(get_option('libdir'), 'd3d')
595 with_gallium_st_nine = get_option('gallium-nine')
596 if with_gallium_st_nine
597 if not with_gallium_softpipe
598 error('The nine state tracker requires gallium softpipe/llvmpipe.')
599 elif not (with_gallium_radeonsi or with_gallium_nouveau or with_gallium_r600
600 or with_gallium_r300 or with_gallium_svga or with_gallium_i915)
601 error('The nine state tracker requires at least on non-swrast gallium driver.')
604 error('Using nine with wine requires dri3')
608 _opencl = get_option('gallium-opencl')
609 if _opencl != 'disabled'
611 error('OpenCL Clover implementation requires at least one gallium driver.')
615 dep_clc = dependency('libclc')
616 with_gallium_opencl = true
617 with_opencl_icd = _opencl == 'icd'
620 with_gallium_opencl = false
621 with_gallium_icd = false
624 gl_pkgconfig_c_flags = []
626 if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
627 pre_args += '-DHAVE_X11_PLATFORM'
629 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
630 pre_args += '-DUSE_XSHM'
632 pre_args += '-DGLX_INDIRECT_RENDERING'
634 pre_args += '-DGLX_DIRECT_RENDERING'
636 if with_dri_platform == 'drm'
637 pre_args += '-DGLX_USE_DRM'
638 elif with_dri_platform == 'apple'
639 pre_args += '-DGLX_USE_APPLEGL'
640 elif with_dri_platform == 'windows'
641 pre_args += '-DGLX_USE_WINDOWSGL'
645 pre_args += '-DMESA_EGL_NO_X11_HEADERS'
646 gl_pkgconfig_c_flags += '-DMESA_EGL_NO_X11_HEADERS'
649 if with_egl and not with_gbm
650 error('EGL drm platform requires gbm')
652 pre_args += '-DHAVE_DRM_PLATFORM'
654 if with_platform_surfaceless
655 pre_args += '-DHAVE_SURFACELESS_PLATFORM'
657 if with_platform_android
659 dependency('cutils'),
660 dependency('hardware'),
663 pre_args += '-DHAVE_ANDROID_PLATFORM'
665 if with_platform_haiku
666 pre_args += '-DHAVE_HAIKU_PLATFORM'
669 prog_python2 = find_program('python2')
670 has_mako = run_command(prog_python2, '-c', 'import mako')
671 if has_mako.returncode() != 0
672 error('Python (2.x) mako module required to build mesa.')
675 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
676 error('When using GCC, version 4.4.6 or later is required.')
679 # Define DEBUG for debug builds only (debugoptimized is not included on this one)
680 if get_option('buildtype') == 'debug'
681 pre_args += '-DDEBUG'
684 if get_option('shader-cache')
685 pre_args += '-DENABLE_SHADER_CACHE'
687 error('Radv requires shader cache support')
690 # Check for GCC style builtins
691 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
692 'ffsll', 'popcount', 'popcountll', 'unreachable']
693 if cc.has_function(b)
694 pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
698 # check for GCC __attribute__
699 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
700 'warn_unused_result', 'weak',]
701 if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
702 name : '__attribute__((@0@))'.format(a))
703 pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
706 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
707 name : '__attribute__((format(...)))')
708 pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
710 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
711 name : '__attribute__((packed))')
712 pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
714 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
715 name : '__attribute__((returns_nonnull))')
716 pre_args += '-DHAVE_FUNC_ATTRIBUTE_RETURNS_NONNULL'
718 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
719 int foo_hid(void) __attribute__((visibility("hidden")));
720 int foo_int(void) __attribute__((visibility("internal")));
721 int foo_pro(void) __attribute__((visibility("protected")));''',
722 name : '__attribute__((visibility(...)))')
723 pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISIBILITY'
725 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
726 name : '__attribute__((alias(...)))')
727 pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
729 if cc.compiles('int foo(void) __attribute__((__noreturn__));',
730 name : '__attribute__((__noreturn__))')
731 pre_args += '-DHAVE_FUNC_ATTRIBUTE_NORETURN'
734 # TODO: this is very incomplete
735 if ['linux', 'cygwin'].contains(host_machine.system())
736 pre_args += '-D_GNU_SOURCE'
739 # Check for generic C arguments
741 foreach a : ['-Wall', '-Werror=implicit-function-declaration',
742 '-Werror=missing-prototypes', '-fno-math-errno',
743 '-fno-trapping-math', '-Qunused-arguments']
744 if cc.has_argument(a)
749 if cc.has_argument('-fvisibility=hidden')
750 c_vis_args += '-fvisibility=hidden'
753 # Check for generic C++ arguments
755 foreach a : ['-Wall', '-fno-math-errno', '-fno-trapping-math',
756 '-Qunused-arguments']
757 if cpp.has_argument(a)
762 # For some reason, the test for -Wno-foo always succeeds with gcc, even if the
763 # option is not supported. Hence, check for -Wfoo instead.
764 if cpp.has_argument('-Wnon-virtual-dtor')
765 cpp_args += '-Wno-non-virtual-dtor'
768 no_override_init_args = []
769 foreach a : ['override-init', 'initializer-overrides']
770 if cc.has_argument('-W' + a)
771 no_override_init_args += '-Wno-' + a
776 if cpp.has_argument('-fvisibility=hidden')
777 cpp_vis_args += '-fvisibility=hidden'
780 # Check for C and C++ arguments for MSVC2013 compatibility. These are only used
781 # in parts of the mesa code base that need to compile with old versions of
782 # MSVC, mainly common code
783 c_msvc_compat_args = []
784 cpp_msvc_compat_args = []
785 foreach a : ['-Werror=pointer-arith', '-Werror=vla']
786 if cc.has_argument(a)
787 c_msvc_compat_args += a
789 if cpp.has_argument(a)
790 cpp_msvc_compat_args += a
794 if host_machine.cpu_family().startswith('x86')
795 pre_args += '-DUSE_SSE41'
797 sse41_args = ['-msse4.1']
799 # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
800 # that's not guaranteed
801 if host_machine.cpu_family() == 'x86'
802 sse41_args += '-mstackrealign'
809 # Check for GCC style atomics
810 dep_atomic = null_dep
812 if cc.compiles('int main() { int n; return __atomic_load_n(&n, __ATOMIC_ACQUIRE); }',
813 name : 'GCC atomic builtins')
814 pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
816 # Not all atomic calls can be turned into lock-free instructions, in which
817 # GCC will make calls into the libatomic library. Check whether we need to
818 # link with -latomic.
820 # This can happen for 64-bit atomic operations on 32-bit architectures such
822 if not cc.links('''#include <stdint.h>
827 return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE);
829 name : 'GCC atomic builtins required -latomic')
830 dep_atomic = cc.find_library('atomic')
833 if not cc.links('''#include <stdint.h>
836 return __sync_add_and_fetch(&v, (uint64_t)1);
838 name : 'GCC 64bit atomics')
839 pre_args += '-DMISSING_64_BIT_ATOMICS'
844 # TODO: shared/static? Is this even worth doing?
846 # When cross compiling we generally need to turn off the use of assembly,
847 # because mesa's assembly relies on building an executable for the host system,
848 # and running it to get information about struct sizes. There is at least one
849 # case of cross compiling where we can use asm, and that's x86_64 -> x86 when
850 # host OS == build OS, since in that case the build machine can run the host's
852 if meson.is_cross_build()
853 if build_machine.system() != host_machine.system()
854 # TODO: It may be possible to do this with an exe_wrapper (like wine).
855 message('Cross compiling from one OS to another, disabling assembly.')
857 elif not (build_machine.cpu_family().startswith('x86') and host_machine.cpu_family() == 'x86')
858 # FIXME: Gentoo always sets -m32 for x86_64 -> x86 builds, resulting in an
859 # x86 -> x86 cross compile. We use startswith rather than == to handle this
861 # TODO: There may be other cases where the 64 bit version of the
862 # architecture can run 32 bit binaries (aarch64 and armv7 for example)
864 Cross compiling to different architectures, and the host cannot run
865 the build machine's binaries. Disabling assembly.
873 # TODO: SPARC and PPC
874 if host_machine.cpu_family() == 'x86'
875 if system_has_kms_drm
876 with_asm_arch = 'x86'
877 pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
880 if with_glx_read_only_text
881 pre_args += ['-DGLX_X86_READONLY_TEXT']
884 elif host_machine.cpu_family() == 'x86_64'
885 if system_has_kms_drm
886 with_asm_arch = 'x86_64'
887 pre_args += ['-DUSE_X86_64_ASM']
889 elif host_machine.cpu_family() == 'arm'
890 if system_has_kms_drm
891 with_asm_arch = 'arm'
892 pre_args += ['-DUSE_ARM_ASM']
894 elif host_machine.cpu_family() == 'aarch64'
895 if system_has_kms_drm
896 with_asm_arch = 'aarch64'
897 pre_args += ['-DUSE_AARCH64_ASM']
902 # Check for standard headers and functions
903 if cc.has_header_symbol('sys/sysmacros.h', 'major')
904 pre_args += '-DMAJOR_IN_SYSMACROS'
905 elif cc.has_header_symbol('sys/mkdev.h', 'major')
906 pre_args += '-DMAJOR_IN_MKDEV'
909 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h', 'endian.h']
910 if cc.compiles('#include <@0@>'.format(h), name : '@0@'.format(h))
911 pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
915 foreach f : ['strtof', 'mkostemp', 'posix_memalign', 'timespec_get', 'memfd_create']
916 if cc.has_function(f)
917 pre_args += '-DHAVE_@0@'.format(f.to_upper())
921 # strtod locale support
926 #ifdef HAVE_XLOCALE_H
930 locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
931 const char *s = "1.0";
933 double d = strtod_l(s, end, loc);
934 float f = strtof_l(s, end, loc);
938 extra_args : pre_args,
939 name : 'strtod has locale support')
940 pre_args += '-DHAVE_STRTOD_L'
943 # Check for some linker flags
944 ld_args_bsymbolic = []
945 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
946 ld_args_bsymbolic += '-Wl,-Bsymbolic'
948 ld_args_gc_sections = []
949 if cc.links('static char unused() { return 5; } int main() { return 0; }',
950 args : '-Wl,--gc-sections', name : 'gc-sections')
951 ld_args_gc_sections += '-Wl,--gc-sections'
953 with_ld_version_script = false
954 if cc.links('int main() { return 0; }',
955 args : '-Wl,--version-script=@0@'.format(
956 join_paths(meson.source_root(), 'build-support/conftest.map')),
957 name : 'version-script')
958 with_ld_version_script = true
960 with_ld_dynamic_list = false
961 if cc.links('int main() { return 0; }',
962 args : '-Wl,--dynamic-list=@0@'.format(
963 join_paths(meson.source_root(), 'build-support/conftest.dyn')),
964 name : 'dynamic-list')
965 with_ld_dynamic_list = true
967 ld_args_build_id = []
968 if build_machine.system() != 'darwin'
969 ld_args_build_id += '-Wl,--build-id=sha1'
972 # check for dl support
973 if cc.has_function('dlopen')
976 dep_dl = cc.find_library('dl')
978 if cc.has_function('dladdr', dependencies : dep_dl)
979 # This is really only required for megadrivers
980 pre_args += '-DHAVE_DLADDR'
983 if cc.has_function('dl_iterate_phdr')
984 pre_args += '-DHAVE_DL_ITERATE_PHDR'
986 error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
987 elif with_dri_i965 and get_option('shader-cache')
988 error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
991 # Determine whether or not the rt library is needed for time functions
992 if cc.has_function('clock_gettime')
995 dep_clock = cc.find_library('rt')
998 # TODO: some of these may be conditional
999 dep_zlib = dependency('zlib', version : '>= 1.2.3')
1000 pre_args += '-DHAVE_ZLIB'
1001 dep_thread = dependency('threads')
1002 if dep_thread.found() and host_machine.system() != 'windows'
1003 pre_args += '-DHAVE_PTHREAD'
1005 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600 or with_gallium_opencl
1006 dep_elf = dependency('libelf', required : false)
1007 if not dep_elf.found()
1008 dep_elf = cc.find_library('elf')
1013 dep_expat = dependency('expat')
1014 # this only exists on linux so either this is linux and it will be found, or
1015 # its not linux and and wont
1016 dep_m = cc.find_library('m', required : false)
1018 # Check for libdrm. various drivers have different libdrm version requirements,
1019 # but we always want to use the same version for all libdrm modules. That means
1020 # even if driver foo requires 2.4.0 and driver bar requires 2.4.3, if foo and
1021 # bar are both on use 2.4.3 for both of them
1022 dep_libdrm_amdgpu = null_dep
1023 dep_libdrm_radeon = null_dep
1024 dep_libdrm_nouveau = null_dep
1025 dep_libdrm_etnaviv = null_dep
1026 dep_libdrm_freedreno = null_dep
1027 dep_libdrm_intel = null_dep
1029 _drm_amdgpu_ver = '2.4.91'
1030 _drm_radeon_ver = '2.4.71'
1031 _drm_nouveau_ver = '2.4.66'
1032 _drm_etnaviv_ver = '2.4.89'
1033 _drm_freedreno_ver = '2.4.92'
1034 _drm_intel_ver = '2.4.75'
1038 ['intel', with_dri_i915 or with_gallium_i915],
1039 ['amdgpu', with_amd_vk or with_gallium_radeonsi],
1040 ['radeon', (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
1041 with_gallium_r300 or with_gallium_r600)],
1042 ['nouveau', (with_gallium_nouveau or with_dri_nouveau)],
1043 ['etnaviv', with_gallium_etnaviv],
1044 ['freedreno', with_gallium_freedreno],
1047 # VC4 only needs core libdrm support of this version, not a libdrm_vc4
1053 # Loop over the enables versions and get the highest libdrm requirement for all
1055 foreach d : _libdrm_checks
1056 ver = get_variable('_drm_@0@_ver'.format(d[0]))
1057 if d[1] and ver.version_compare('>' + _drm_ver)
1062 # Then get each libdrm module
1063 foreach d : _libdrm_checks
1066 'dep_libdrm_' + d[0],
1067 dependency('libdrm_' + d[0], version : '>=' + _drm_ver)
1072 with_gallium_drisw_kms = false
1073 dep_libdrm = dependency(
1074 'libdrm', version : '>=' + _drm_ver,
1075 required : with_dri2 or with_dri3
1077 if dep_libdrm.found()
1078 pre_args += '-DHAVE_LIBDRM'
1079 if with_dri_platform == 'drm' and with_dri
1080 with_gallium_drisw_kms = true
1084 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
1085 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
1086 llvm_modules += ['amdgpu', 'bitreader', 'ipo']
1087 if with_gallium_r600
1088 llvm_modules += 'asmparser'
1091 if with_gallium_opencl
1093 'all-targets', 'linker', 'coverage', 'instrumentation', 'ipo', 'irreader',
1094 'lto', 'option', 'objcarcopts', 'profiledata',
1096 # TODO: optional modules
1099 if with_amd_vk or with_gallium_radeonsi
1100 _llvm_version = '>= 5.0.0'
1101 elif with_gallium_swr
1102 _llvm_version = '>= 4.0.0'
1103 elif with_gallium_opencl or with_gallium_r600
1104 _llvm_version = '>= 3.9.0'
1106 _llvm_version = '>= 3.3.0'
1109 _llvm = get_option('llvm')
1111 dep_llvm = dependency(
1112 'llvm', version : _llvm_version, modules : llvm_modules,
1113 required : with_amd_vk or with_gallium_radeonsi or with_gallium_swr or with_gallium_opencl,
1115 with_llvm = dep_llvm.found()
1116 elif _llvm == 'true'
1117 dep_llvm = dependency('llvm', version : _llvm_version, modules : llvm_modules)
1124 _llvm_version = dep_llvm.version().split('.')
1125 # Development versions of LLVM have an 'svn' or 'git' suffix, we don't want
1126 # that for our version checks.
1127 # svn suffixes are stripped by meson as of 0.43, and git suffixes are
1128 # strippped as of 0.44, but we support older meson versions.
1130 # 3 digits versions in LLVM only started from 3.4.1 on
1131 if dep_llvm.version().version_compare('>= 3.4.1')
1132 _llvm_patch = _llvm_version[2]
1137 if _llvm_patch.endswith('svn')
1138 _llvm_patch = _llvm_patch.split('s')[0]
1139 elif _llvm_patch.contains('git')
1140 _llvm_patch = _llvm_patch.split('g')[0]
1143 '-DHAVE_LLVM=0x0@0@0@1@'.format(_llvm_version[0], _llvm_version[1]),
1144 '-DMESA_LLVM_VERSION_PATCH=@0@'.format(_llvm_patch),
1147 # LLVM can be built without rtti, turning off rtti changes the ABI of C++
1148 # programs, so we need to build all C++ code in mesa without rtti as well to
1149 # ensure that linking works.
1150 if dep_llvm.get_configtool_variable('has-rtti') == 'NO'
1151 cpp_args += '-fno-rtti'
1153 elif with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1154 error('The following drivers require LLVM: Radv, RadeonSI, SWR. One of these is enabled, but LLVM is disabled.')
1157 dep_glvnd = null_dep
1159 dep_glvnd = dependency('libglvnd', version : '>= 0.2.0')
1160 pre_args += '-DUSE_LIBGLVND=1'
1163 if with_valgrind != 'false'
1164 dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
1165 if dep_valgrind.found()
1166 pre_args += '-DHAVE_VALGRIND'
1169 dep_valgrind = null_dep
1172 # pthread stubs. Lets not and say we didn't
1174 prog_bison = find_program('bison', required : with_any_opengl)
1175 prog_flex = find_program('flex', required : with_any_opengl)
1177 dep_selinux = null_dep
1178 if get_option('selinux')
1179 dep_selinux = dependency('libselinux')
1180 pre_args += '-DMESA_SELINUX'
1183 # TODO: llvm-prefix and llvm-shared-libs
1185 if with_libunwind != 'false'
1186 dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
1187 if dep_unwind.found()
1188 pre_args += '-DHAVE_LIBUNWIND'
1191 dep_unwind = null_dep
1196 if with_osmesa != 'none'
1197 if with_osmesa == 'classic' and not with_dri_swrast
1198 error('OSMesa classic requires dri (classic) swrast.')
1200 if with_osmesa == 'gallium' and not with_gallium_softpipe
1201 error('OSMesa gallium requires gallium softpipe or llvmpipe.')
1203 osmesa_lib_name = 'OSMesa'
1204 osmesa_bits = get_option('osmesa-bits')
1205 if osmesa_bits != '8'
1206 if with_dri or with_glx != 'disabled'
1207 error('OSMesa bits must be 8 if building glx or dir based drivers')
1209 osmesa_lib_name = osmesa_lib_name + osmesa_bits
1211 '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
1216 # TODO: symbol mangling
1218 if with_platform_wayland
1219 prog_wl_scanner = find_program('wayland-scanner')
1220 dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
1221 dep_wayland_client = dependency('wayland-client', version : '>=1.11')
1222 dep_wayland_server = dependency('wayland-server', version : '>=1.11')
1224 dep_wayland_egl = dependency('wayland-egl-backend', version : '>= 3')
1225 dep_wayland_egl_headers = declare_dependency(
1226 compile_args : run_command(prog_pkgconfig, ['wayland-egl-backend', '--cflags']).stdout().split())
1228 wayland_dmabuf_xml = join_paths(
1229 dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
1230 'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
1232 pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
1234 prog_wl_scanner = []
1235 dep_wl_protocols = null_dep
1236 dep_wayland_client = null_dep
1237 dep_wayland_server = null_dep
1238 wayland_dmabuf_xml = ''
1243 dep_xdamage = null_dep
1244 dep_xfixes = null_dep
1245 dep_x11_xcb = null_dep
1247 dep_xcb_glx = null_dep
1248 dep_xcb_dri2 = null_dep
1249 dep_xcb_dri3 = null_dep
1250 dep_dri2proto = null_dep
1251 dep_glproto = null_dep
1252 dep_xxf86vm = null_dep
1253 dep_xcb_dri3 = null_dep
1254 dep_xcb_present = null_dep
1255 dep_xcb_sync = null_dep
1256 dep_xcb_xfixes = null_dep
1257 dep_xshmfence = null_dep
1258 if with_platform_x11
1259 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1260 dep_x11 = dependency('x11')
1261 dep_xext = dependency('xext')
1262 dep_xcb = dependency('xcb')
1263 elif with_glx == 'dri'
1264 dep_x11 = dependency('x11')
1265 dep_xext = dependency('xext')
1266 dep_xdamage = dependency('xdamage', version : '>= 1.1')
1267 dep_xfixes = dependency('xfixes')
1268 dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
1269 dep_xxf86vm = dependency('xxf86vm', required : false)
1271 if (with_any_vk or with_glx == 'dri' or
1272 (with_gallium_vdpau or with_gallium_xvmc or with_gallium_va or
1273 with_gallium_omx != 'disabled'))
1274 dep_xcb = dependency('xcb')
1275 dep_x11_xcb = dependency('x11-xcb')
1277 if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
1278 dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
1281 pre_args += '-DHAVE_DRI3'
1282 dep_xcb_dri3 = dependency('xcb-dri3')
1283 dep_xcb_present = dependency('xcb-present')
1284 # until xcb-dri3 has been around long enough to make a hard-dependency:
1285 if (dep_xcb_dri3.version().version_compare('>= 1.13') and
1286 dep_xcb_present.version().version_compare('>= 1.13'))
1287 pre_args += '-DHAVE_DRI3_MODIFIERS'
1289 dep_xcb_sync = dependency('xcb-sync')
1290 dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
1293 if with_glx == 'dri'
1294 if with_dri_platform == 'drm'
1295 dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
1297 dep_glproto = dependency('glproto', version : '>= 1.4.14')
1300 with_gallium_vdpau or with_gallium_xvmc or with_gallium_xa or
1301 with_gallium_omx != 'disabled'))
1302 dep_xcb_xfixes = dependency('xcb-xfixes')
1306 if get_option('gallium-extra-hud')
1307 pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
1310 _sensors = get_option('lmsensors')
1311 if _sensors != 'false'
1312 dep_lmsensors = cc.find_library('libsensors', required : _sensors == 'true')
1313 if dep_lmsensors.found()
1314 pre_args += '-DHAVE_LIBSENSORS=1'
1317 dep_lmsensors = null_dep
1320 # TODO: various libdirs
1322 # TODO: gallium driver dirs
1324 foreach a : pre_args
1325 add_project_arguments(a, language : ['c', 'cpp'])
1328 add_project_arguments(a, language : ['c'])
1330 foreach a : cpp_args
1331 add_project_arguments(a, language : ['cpp'])
1334 inc_include = include_directories('include')
1337 'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
1339 if dep_libdrm.found()
1340 gl_priv_reqs += 'libdrm >= 2.4.75'
1342 if dep_xxf86vm.found()
1343 gl_priv_reqs += 'xxf86vm'
1345 if with_dri_platform == 'drm'
1346 gl_priv_reqs += 'xcb-dri2 >= 1.8'
1350 if dep_thread.found()
1351 gl_priv_libs += ['-lpthread', '-pthread']
1354 gl_priv_libs += '-lm'
1357 gl_priv_libs += '-ldl'
1360 pkg = import('pkgconfig')
1362 env_test = environment()
1363 env_test.set('NM', find_program('nm').path())