1 # Copyright © 2017-2018 Intel Corporation
3 # Permission is hereby granted, free of charge, to any person obtaining a copy
4 # of this software and associated documentation files (the "Software"), to deal
5 # in the Software without restriction, including without limitation the rights
6 # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
7 # copies of the Software, and to permit persons to whom the Software is
8 # furnished to do so, subject to the following conditions:
10 # The above copyright notice and this permission notice shall be included in
11 # all copies or substantial portions of the Software.
13 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
16 # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
17 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
18 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
24 version : run_command(
25 [find_program('python', 'python2', 'python3'), 'bin/meson_get_version.py']
28 meson_version : '>= 0.44.1',
29 default_options : ['buildtype=debugoptimized', 'c_std=c99', 'cpp_std=c++11']
32 null_dep = dependency('', required : false)
34 system_has_kms_drm = ['openbsd', 'netbsd', 'freebsd', 'dragonfly', 'linux'].contains(host_machine.system())
36 # Arguments for the preprocessor, put these in a separate array from the C and
37 # C++ (cpp in meson terminology) arguments since they need to be added to the
38 # default arguments for both C and C++.
40 '-D__STDC_CONSTANT_MACROS',
41 '-D__STDC_FORMAT_MACROS',
42 '-D__STDC_LIMIT_MACROS',
43 '-DVERSION="@0@"'.format(meson.project_version()),
44 '-DPACKAGE_VERSION=VERSION',
45 '-DPACKAGE_BUGREPORT="https://bugs.freedesktop.org/enter_bug.cgi?product=Mesa"',
48 with_vulkan_icd_dir = get_option('vulkan-icd-dir')
49 with_tests = get_option('build-tests')
50 with_valgrind = get_option('valgrind')
51 with_libunwind = get_option('libunwind')
52 with_asm = get_option('asm')
53 with_glx_read_only_text = get_option('glx-read-only-text')
54 with_osmesa = get_option('osmesa')
55 with_swr_arches = get_option('swr-arches')
56 with_tools = get_option('tools')
57 if with_tools.contains('all')
58 with_tools = ['freedreno', 'glsl', 'intel', 'nir', 'nouveau']
60 if get_option('texture-float')
61 pre_args += '-DTEXTURE_FLOAT_ENABLED'
62 warning('Floating-point texture enabled. Please consult docs/patents.txt and your lawyer before building mesa.')
65 dri_drivers_path = get_option('dri-drivers-path')
66 if dri_drivers_path == ''
67 dri_drivers_path = join_paths(get_option('libdir'), 'dri')
69 dri_search_path = get_option('dri-search-path')
70 if dri_search_path == ''
71 dri_search_path = join_paths(get_option('prefix'), dri_drivers_path)
74 with_gles1 = get_option('gles1')
75 with_gles2 = get_option('gles2')
76 with_opengl = get_option('opengl')
77 with_any_opengl = with_opengl or with_gles1 or with_gles2
78 # Only build shared_glapi if at least one OpenGL API is enabled
79 with_shared_glapi = get_option('shared-glapi') and with_any_opengl
82 # shared-glapi is required if at least two OpenGL APIs are being built
83 if not with_shared_glapi
84 if ((with_gles1 and with_gles2) or (with_gles1 and with_opengl)
85 or (with_gles2 and with_opengl))
86 error('shared-glapi required for building two or more of OpenGL, OpenGL ES 1.x, OpenGL ES 2.x')
90 # We require OpenGL for OpenGL ES
91 if (with_gles1 or with_gles2) and not with_opengl
92 error('building OpenGL ES without OpenGL is not supported.')
95 system_has_kms_drm = ['openbsd', 'netbsd', 'freebsd', 'dragonfly', 'linux'].contains(host_machine.system())
97 _drivers = get_option('dri-drivers')
98 if _drivers.contains('auto')
101 if ['x86', 'x86_64'].contains(host_machine.cpu_family())
102 _drivers = ['i915', 'i965', 'r100', 'r200', 'nouveau']
103 elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
106 error('Unknown architecture. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.')
108 elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
109 # only swrast would make sense here, but gallium swrast is a much better default
112 error('Unknown OS. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.')
116 with_dri_i915 = _drivers.contains('i915')
117 with_dri_i965 = _drivers.contains('i965')
118 with_dri_r100 = _drivers.contains('r100')
119 with_dri_r200 = _drivers.contains('r200')
120 with_dri_nouveau = _drivers.contains('nouveau')
121 with_dri_swrast = _drivers.contains('swrast')
123 with_dri = _drivers.length() != 0 and _drivers != ['']
125 _drivers = get_option('gallium-drivers')
126 if _drivers.contains('auto')
127 if system_has_kms_drm
129 if ['x86', 'x86_64'].contains(host_machine.cpu_family())
131 'r300', 'r600', 'radeonsi', 'nouveau', 'virgl', 'svga', 'swrast'
133 elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
135 'pl111', 'v3d', 'vc4', 'freedreno', 'etnaviv', 'imx', 'nouveau',
136 'tegra', 'virgl', 'swrast',
139 error('Unknown architecture. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.')
141 elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
142 _drivers = ['swrast']
144 error('Unknown OS. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.')
147 with_gallium_pl111 = _drivers.contains('pl111')
148 with_gallium_radeonsi = _drivers.contains('radeonsi')
149 with_gallium_r300 = _drivers.contains('r300')
150 with_gallium_r600 = _drivers.contains('r600')
151 with_gallium_nouveau = _drivers.contains('nouveau')
152 with_gallium_freedreno = _drivers.contains('freedreno')
153 with_gallium_softpipe = _drivers.contains('swrast')
154 with_gallium_vc4 = _drivers.contains('vc4')
155 with_gallium_v3d = _drivers.contains('v3d')
156 with_gallium_etnaviv = _drivers.contains('etnaviv')
157 with_gallium_imx = _drivers.contains('imx')
158 with_gallium_tegra = _drivers.contains('tegra')
159 with_gallium_i915 = _drivers.contains('i915')
160 with_gallium_svga = _drivers.contains('svga')
161 with_gallium_virgl = _drivers.contains('virgl')
162 with_gallium_swr = _drivers.contains('swr')
164 with_gallium = _drivers.length() != 0 and _drivers != ['']
166 if with_gallium and system_has_kms_drm
167 _glx = get_option('glx')
168 _egl = get_option('egl')
169 if _glx == 'dri' or _egl == 'true' or (_glx == 'disabled' and _egl != 'false')
174 _vulkan_drivers = get_option('vulkan-drivers')
175 if _vulkan_drivers.contains('auto')
176 if system_has_kms_drm
177 if host_machine.cpu_family().startswith('x86')
178 _vulkan_drivers = ['amd', 'intel']
180 error('Unknown architecture. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.')
182 elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
183 # No vulkan driver supports windows or macOS currently
186 error('Unknown OS. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.')
190 with_intel_vk = _vulkan_drivers.contains('intel')
191 with_amd_vk = _vulkan_drivers.contains('amd')
192 with_any_vk = _vulkan_drivers.length() != 0 and _vulkan_drivers != ['']
194 if with_dri_swrast and (with_gallium_softpipe or with_gallium_swr)
195 error('Only one swrast provider can be built')
197 if with_dri_i915 and with_gallium_i915
198 error('Only one i915 provider can be built')
200 if with_gallium_imx and not with_gallium_etnaviv
201 error('IMX driver requires etnaviv driver')
203 if with_gallium_pl111 and not with_gallium_vc4
204 error('pl111 driver requires vc4 driver')
206 if with_gallium_tegra and not with_gallium_nouveau
207 error('tegra driver requires nouveau driver')
210 if host_machine.system() == 'darwin'
211 with_dri_platform = 'apple'
212 elif ['windows', 'cygwin'].contains(host_machine.system())
213 with_dri_platform = 'windows'
214 elif system_has_kms_drm
215 with_dri_platform = 'drm'
217 # FIXME: haiku doesn't use dri, and xlib doesn't use dri, probably should
218 # assert here that one of those cases has been met.
219 # FIXME: GNU (hurd) ends up here as well, but meson doesn't officially
220 # support Hurd at time of writing (2017/11)
221 # FIXME: illumos ends up here as well
222 with_dri_platform = 'none'
225 _platforms = get_option('platforms')
226 if _platforms.contains('auto')
227 if system_has_kms_drm
228 _platforms = ['x11', 'wayland', 'drm', 'surfaceless']
229 elif ['darwin', 'windows', 'cygwin'].contains(host_machine.system())
230 _platforms = ['x11', 'surfaceless']
231 elif ['haiku'].contains(host_machine.system())
232 _platforms = ['haiku']
234 error('Unknown OS. Please pass -Dplatforms to set platforms. Patches gladly accepted to fix this.')
238 with_platform_android = _platforms.contains('android')
239 with_platform_x11 = _platforms.contains('x11')
240 with_platform_wayland = _platforms.contains('wayland')
241 with_platform_drm = _platforms.contains('drm')
242 with_platform_haiku = _platforms.contains('haiku')
243 with_platform_surfaceless = _platforms.contains('surfaceless')
245 with_platforms = false
246 if _platforms.length() != 0 and _platforms != ['']
247 with_platforms = true
248 egl_native_platform = _platforms[0]
251 with_glx = get_option('glx')
252 if with_glx == 'auto'
255 elif with_platform_haiku
256 with_glx = 'disabled'
258 # Even when building just gallium drivers the user probably wants dri
261 elif with_platform_x11 and with_any_opengl and not with_any_vk
262 # The automatic behavior should not be to turn on xlib based glx when
263 # building only vulkan drivers
266 with_glx = 'disabled'
270 if not (with_dri or with_gallium or with_glx == 'xlib' or with_glx == 'gallium-xlib')
274 with_any_opengl = false
275 with_shared_glapi = false
278 _gbm = get_option('gbm')
280 with_gbm = system_has_kms_drm and with_dri
282 with_gbm = _gbm == 'true'
284 if with_gbm and not system_has_kms_drm
285 error('GBM only supports DRM/KMS platforms')
288 _egl = get_option('egl')
290 with_egl = with_dri and with_shared_glapi and with_platforms
293 error('EGL requires dri')
294 elif not with_shared_glapi
295 error('EGL requires shared-glapi')
296 elif not with_platforms
297 error('No platforms specified, consider -Dplatforms=drm,x11 at least')
298 elif not ['disabled', 'dri'].contains(with_glx)
299 error('EGL requires dri, but a GLX is being built without dri')
306 if with_egl and not (with_platform_drm or with_platform_surfaceless)
307 if with_gallium_radeonsi
308 error('RadeonSI requires drm or surfaceless platform when using EGL')
310 if with_gallium_virgl
311 error('Virgl requires drm or surfaceless platform when using EGL')
315 pre_args += '-DGLX_USE_TLS'
316 if with_glx != 'disabled'
317 if not (with_platform_x11 and with_any_opengl)
318 error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
319 elif with_glx == 'gallium-xlib'
321 error('Gallium-xlib based GLX requires at least one gallium driver')
322 elif not with_gallium_softpipe
323 error('Gallium-xlib based GLX requires softpipe or llvmpipe.')
325 error('gallium-xlib conflicts with any dri driver')
327 elif with_glx == 'xlib'
329 error('xlib conflicts with any dri driver')
331 elif with_glx == 'dri'
333 error('dri based GLX requires at least one DRI driver')
334 elif not with_shared_glapi
335 error('dri based GLX requires shared-glapi')
340 with_glvnd = get_option('glvnd')
342 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
343 error('Cannot build glvnd support for GLX that is not DRI based.')
344 elif with_glx == 'disabled' and not with_egl
345 error('glvnd requires DRI based GLX and/or EGL')
349 # TODO: toggle for this
350 with_glx_direct = true
352 if with_vulkan_icd_dir == ''
353 with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
356 with_dri2 = (with_dri or with_any_vk) and with_dri_platform == 'drm'
357 _dri3 = get_option('dri3')
359 with_dri3 = system_has_kms_drm and with_dri2
361 with_dri3 = _dri3 == 'true'
364 if with_any_vk and (with_platform_x11 and not with_dri3)
365 error('Vulkan drivers require dri3 for X11 support')
367 if with_dri or with_gallium
368 if with_glx == 'disabled' and not with_egl and not with_platform_haiku
369 error('building dri or gallium drivers require at least one window system')
373 prog_pkgconfig = find_program('pkg-config')
375 _vdpau = get_option('gallium-vdpau')
376 if not system_has_kms_drm
378 error('VDPAU state tracker can only be build on unix-like OSes.')
382 elif not with_platform_x11
384 error('VDPAU state tracker requires X11 support.')
388 elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
389 with_gallium_nouveau)
391 error('VDPAU state tracker requires at least one of the following gallium drivers: r300, r600, radeonsi, nouveau.')
395 elif _vdpau == 'auto'
398 with_gallium_vdpau = _vdpau == 'true'
400 if with_gallium_vdpau
401 dep_vdpau = dependency('vdpau', version : '>= 1.1')
402 dep_vdpau = declare_dependency(
403 compile_args : run_command(prog_pkgconfig, ['vdpau', '--cflags']).stdout().split()
407 if with_gallium_vdpau
408 pre_args += '-DHAVE_ST_VDPAU'
410 vdpau_drivers_path = get_option('vdpau-libs-path')
411 if vdpau_drivers_path == ''
412 vdpau_drivers_path = join_paths(get_option('libdir'), 'vdpau')
415 _xvmc = get_option('gallium-xvmc')
416 if not system_has_kms_drm
418 error('XVMC state tracker can only be build on unix-like OSes.')
422 elif not with_platform_x11
424 error('XVMC state tracker requires X11 support.')
428 elif not (with_gallium_r600 or with_gallium_nouveau)
430 error('XVMC state tracker requires at least one of the following gallium drivers: r600, nouveau.')
437 with_gallium_xvmc = _xvmc == 'true'
440 dep_xvmc = dependency('xvmc', version : '>= 1.0.6')
443 xvmc_drivers_path = get_option('xvmc-libs-path')
444 if xvmc_drivers_path == ''
445 xvmc_drivers_path = get_option('libdir')
448 _omx = get_option('gallium-omx')
449 if not system_has_kms_drm
450 if ['auto', 'disabled'].contains(_omx)
453 error('OMX state tracker can only be built on unix-like OSes.')
455 elif not (with_platform_x11 or with_platform_drm)
456 if ['auto', 'disabled'].contains(_omx)
459 error('OMX state tracker requires X11 or drm platform support.')
461 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
462 if ['auto', 'disabled'].contains(_omx)
465 error('OMX state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
468 with_gallium_omx = _omx
471 if ['auto', 'bellagio'].contains(_omx)
472 dep_omx = dependency(
473 'libomxil-bellagio', required : _omx == 'bellagio'
476 with_gallium_omx = 'bellagio'
479 if ['auto', 'tizonia'].contains(_omx)
480 if with_dri and with_egl
481 dep_omx = dependency(
482 'libtizonia', version : '>= 0.10.0',
483 required : _omx == 'tizonia',
486 dependency('libtizplatform', required : _omx == 'tizonia'),
487 dependency('tizilheaders', required : _omx == 'tizonia'),
489 if dep_omx.found() and dep_omx_other[0].found() and dep_omx_other[1].found()
490 with_gallium_omx = 'tizonia'
492 elif _omx == 'tizonia'
493 error('OMX-Tizonia state tracker requires dri and egl')
497 with_gallium_omx = 'disabled'
499 with_gallium_omx = _omx
503 '-DENABLE_ST_OMX_BELLAGIO=' + (with_gallium_omx == 'bellagio' ? '1' : '0'),
504 '-DENABLE_ST_OMX_TIZONIA=' + (with_gallium_omx == 'tizonia' ? '1' : '0'),
508 omx_drivers_path = get_option('omx-libs-path')
510 if with_gallium_omx != 'disabled'
511 # Figure out where to put the omx driver.
512 # FIXME: this could all be vastly simplified by adding a 'defined_variable'
513 # argument to meson's get_pkgconfig_variable method.
514 if omx_drivers_path == ''
515 _omx_libdir = dep_omx.get_pkgconfig_variable('libdir')
516 _omx_drivers_dir = dep_omx.get_pkgconfig_variable('pluginsdir')
517 if _omx_libdir == get_option('libdir')
518 omx_drivers_path = _omx_drivers_dir
521 # This will fail on windows. Does OMX run on windows?
522 _omx_libdir = _omx_libdir.split('/')
523 _omx_drivers_dir = _omx_drivers_dir.split('/')
524 foreach o : _omx_drivers_dir
525 if not _omx_libdir.contains(o)
529 omx_drivers_path = join_paths(get_option('libdir'), _omx_base_dir)
534 _va = get_option('gallium-va')
535 if not system_has_kms_drm
537 error('VA state tracker can only be built on unix-like OSes.')
541 elif not (with_platform_x11 or with_platform_drm)
543 error('VA state tracker requires X11 or drm or wayland platform support.')
547 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
549 error('VA state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
556 with_gallium_va = _va == 'true'
559 dep_va = dependency('libva', version : '>= 0.39.0')
560 dep_va_headers = declare_dependency(
561 compile_args : run_command(prog_pkgconfig, ['libva', '--cflags']).stdout().split()
565 va_drivers_path = get_option('va-libs-path')
566 if va_drivers_path == ''
567 va_drivers_path = join_paths(get_option('libdir'), 'dri')
570 _xa = get_option('gallium-xa')
571 if not system_has_kms_drm
573 error('XA state tracker can only be built on unix-like OSes.')
577 elif not (with_gallium_nouveau or with_gallium_freedreno or with_gallium_i915
578 or with_gallium_svga)
580 error('XA state tracker requires at least one of the following gallium drivers: nouveau, freedreno, i915, svga.')
585 with_gallium_xa = _xa != 'false'
587 d3d_drivers_path = get_option('d3d-drivers-path')
588 if d3d_drivers_path == ''
589 d3d_drivers_path = join_paths(get_option('libdir'), 'd3d')
592 with_gallium_st_nine = get_option('gallium-nine')
593 if with_gallium_st_nine
594 if not with_gallium_softpipe
595 error('The nine state tracker requires gallium softpipe/llvmpipe.')
596 elif not (with_gallium_radeonsi or with_gallium_nouveau or with_gallium_r600
597 or with_gallium_r300 or with_gallium_svga or with_gallium_i915)
598 error('The nine state tracker requires at least on non-swrast gallium driver.')
601 error('Using nine with wine requires dri3')
605 _opencl = get_option('gallium-opencl')
606 if _opencl != 'disabled'
608 error('OpenCL Clover implementation requires at least one gallium driver.')
612 dep_clc = dependency('libclc')
613 with_gallium_opencl = true
614 with_opencl_icd = _opencl == 'icd'
617 with_gallium_opencl = false
618 with_gallium_icd = false
621 gl_pkgconfig_c_flags = []
623 if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
624 pre_args += '-DHAVE_X11_PLATFORM'
626 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
627 pre_args += '-DUSE_XSHM'
629 pre_args += '-DGLX_INDIRECT_RENDERING'
631 pre_args += '-DGLX_DIRECT_RENDERING'
633 if with_dri_platform == 'drm'
634 pre_args += '-DGLX_USE_DRM'
635 elif with_dri_platform == 'apple'
636 pre_args += '-DGLX_USE_APPLEGL'
637 elif with_dri_platform == 'windows'
638 pre_args += '-DGLX_USE_WINDOWSGL'
642 pre_args += '-DMESA_EGL_NO_X11_HEADERS'
643 gl_pkgconfig_c_flags += '-DMESA_EGL_NO_X11_HEADERS'
646 if with_egl and not with_gbm
647 error('EGL drm platform requires gbm')
649 pre_args += '-DHAVE_DRM_PLATFORM'
651 if with_platform_surfaceless
652 pre_args += '-DHAVE_SURFACELESS_PLATFORM'
654 if with_platform_android
656 dependency('cutils'),
657 dependency('hardware'),
660 pre_args += '-DHAVE_ANDROID_PLATFORM'
662 if with_platform_haiku
663 pre_args += '-DHAVE_HAIKU_PLATFORM'
666 prog_python2 = find_program('python2')
667 has_mako = run_command(prog_python2, '-c', 'import mako')
668 if has_mako.returncode() != 0
669 error('Python (2.x) mako module required to build mesa.')
672 cc = meson.get_compiler('c')
673 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
674 error('When using GCC, version 4.4.6 or later is required.')
677 # Define DEBUG for debug builds only (debugoptimized is not included on this one)
678 if get_option('buildtype') == 'debug'
679 pre_args += '-DDEBUG'
682 if get_option('shader-cache')
683 pre_args += '-DENABLE_SHADER_CACHE'
685 error('Radv requires shader cache support')
688 # Check for GCC style builtins
689 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
690 'ffsll', 'popcount', 'popcountll', 'unreachable']
691 if cc.has_function(b)
692 pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
696 # check for GCC __attribute__
697 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
698 'warn_unused_result', 'weak',]
699 if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
700 name : '__attribute__((@0@))'.format(a))
701 pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
704 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
705 name : '__attribute__((format(...)))')
706 pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
708 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
709 name : '__attribute__((packed))')
710 pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
712 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
713 name : '__attribute__((returns_nonnull))')
714 pre_args += '-DHAVE_FUNC_ATTRIBUTE_RETURNS_NONNULL'
716 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
717 int foo_hid(void) __attribute__((visibility("hidden")));
718 int foo_int(void) __attribute__((visibility("internal")));
719 int foo_pro(void) __attribute__((visibility("protected")));''',
720 name : '__attribute__((visibility(...)))')
721 pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISIBILITY'
723 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
724 name : '__attribute__((alias(...)))')
725 pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
727 if cc.compiles('int foo(void) __attribute__((__noreturn__));',
728 name : '__attribute__((__noreturn__))')
729 pre_args += '-DHAVE_FUNC_ATTRIBUTE_NORETURN'
732 # TODO: this is very incomplete
733 if ['linux', 'cygwin'].contains(host_machine.system())
734 pre_args += '-D_GNU_SOURCE'
737 # Check for generic C arguments
739 foreach a : ['-Wall', '-Werror=implicit-function-declaration',
740 '-Werror=missing-prototypes', '-fno-math-errno',
741 '-fno-trapping-math', '-Qunused-arguments']
742 if cc.has_argument(a)
747 if cc.has_argument('-fvisibility=hidden')
748 c_vis_args += '-fvisibility=hidden'
751 # Check for generic C++ arguments
752 cpp = meson.get_compiler('cpp')
754 foreach a : ['-Wall', '-fno-math-errno', '-fno-trapping-math',
755 '-Qunused-arguments']
756 if cpp.has_argument(a)
761 # For some reason, the test for -Wno-foo always succeeds with gcc, even if the
762 # option is not supported. Hence, check for -Wfoo instead.
763 if cpp.has_argument('-Wnon-virtual-dtor')
764 cpp_args += '-Wno-non-virtual-dtor'
767 no_override_init_args = []
768 foreach a : ['override-init', 'initializer-overrides']
769 if cc.has_argument('-W' + a)
770 no_override_init_args += '-Wno-' + a
775 if cpp.has_argument('-fvisibility=hidden')
776 cpp_vis_args += '-fvisibility=hidden'
779 # Check for C and C++ arguments for MSVC2013 compatibility. These are only used
780 # in parts of the mesa code base that need to compile with old versions of
781 # MSVC, mainly common code
782 c_msvc_compat_args = []
783 cpp_msvc_compat_args = []
784 foreach a : ['-Werror=pointer-arith', '-Werror=vla']
785 if cc.has_argument(a)
786 c_msvc_compat_args += a
788 if cpp.has_argument(a)
789 cpp_msvc_compat_args += a
793 if host_machine.cpu_family().startswith('x86')
794 pre_args += '-DUSE_SSE41'
796 sse41_args = ['-msse4.1']
798 # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
799 # that's not guaranteed
800 if host_machine.cpu_family() == 'x86'
801 sse41_args += '-mstackrealign'
808 # Check for GCC style atomics
809 dep_atomic = null_dep
811 if cc.compiles('int main() { int n; return __atomic_load_n(&n, __ATOMIC_ACQUIRE); }',
812 name : 'GCC atomic builtins')
813 pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
815 # Not all atomic calls can be turned into lock-free instructions, in which
816 # GCC will make calls into the libatomic library. Check whether we need to
817 # link with -latomic.
819 # This can happen for 64-bit atomic operations on 32-bit architectures such
821 if not cc.links('''#include <stdint.h>
826 return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE);
828 name : 'GCC atomic builtins required -latomic')
829 dep_atomic = cc.find_library('atomic')
832 if not cc.links('''#include <stdint.h>
835 return __sync_add_and_fetch(&v, (uint64_t)1);
837 name : 'GCC 64bit atomics')
838 pre_args += '-DMISSING_64_BIT_ATOMICS'
843 # TODO: shared/static? Is this even worth doing?
845 # When cross compiling we generally need to turn off the use of assembly,
846 # because mesa's assembly relies on building an executable for the host system,
847 # and running it to get information about struct sizes. There is at least one
848 # case of cross compiling where we can use asm, and that's x86_64 -> x86 when
849 # host OS == build OS, since in that case the build machine can run the host's
851 if meson.is_cross_build()
852 if build_machine.system() != host_machine.system()
853 # TODO: It may be possible to do this with an exe_wrapper (like wine).
854 message('Cross compiling from one OS to another, disabling assembly.')
856 elif not (build_machine.cpu_family().startswith('x86') and host_machine.cpu_family() == 'x86')
857 # FIXME: Gentoo always sets -m32 for x86_64 -> x86 builds, resulting in an
858 # x86 -> x86 cross compile. We use startswith rather than == to handle this
860 # TODO: There may be other cases where the 64 bit version of the
861 # architecture can run 32 bit binaries (aarch64 and armv7 for example)
863 Cross compiling to different architectures, and the host cannot run
864 the build machine's binaries. Disabling assembly.
872 # TODO: SPARC and PPC
873 if host_machine.cpu_family() == 'x86'
874 if system_has_kms_drm
875 with_asm_arch = 'x86'
876 pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
879 if with_glx_read_only_text
880 pre_args += ['-DGLX_X86_READONLY_TEXT']
883 elif host_machine.cpu_family() == 'x86_64'
884 if system_has_kms_drm
885 with_asm_arch = 'x86_64'
886 pre_args += ['-DUSE_X86_64_ASM']
888 elif host_machine.cpu_family() == 'arm'
889 if system_has_kms_drm
890 with_asm_arch = 'arm'
891 pre_args += ['-DUSE_ARM_ASM']
893 elif host_machine.cpu_family() == 'aarch64'
894 if system_has_kms_drm
895 with_asm_arch = 'aarch64'
896 pre_args += ['-DUSE_AARCH64_ASM']
901 # Check for standard headers and functions
902 if cc.has_header_symbol('sys/sysmacros.h', 'major')
903 pre_args += '-DMAJOR_IN_SYSMACROS'
904 elif cc.has_header_symbol('sys/mkdev.h', 'major')
905 pre_args += '-DMAJOR_IN_MKDEV'
908 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h', 'endian.h']
909 if cc.compiles('#include <@0@>'.format(h), name : '@0@'.format(h))
910 pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
914 foreach f : ['strtof', 'mkostemp', 'posix_memalign', 'timespec_get', 'memfd_create']
915 if cc.has_function(f)
916 pre_args += '-DHAVE_@0@'.format(f.to_upper())
920 # strtod locale support
925 #ifdef HAVE_XLOCALE_H
929 locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
930 const char *s = "1.0";
932 double d = strtod_l(s, end, loc);
933 float f = strtof_l(s, end, loc);
937 extra_args : pre_args,
938 name : 'strtod has locale support')
939 pre_args += '-DHAVE_STRTOD_L'
942 # Check for some linker flags
943 ld_args_bsymbolic = []
944 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
945 ld_args_bsymbolic += '-Wl,-Bsymbolic'
947 ld_args_gc_sections = []
948 if cc.links('static char unused() { return 5; } int main() { return 0; }',
949 args : '-Wl,--gc-sections', name : 'gc-sections')
950 ld_args_gc_sections += '-Wl,--gc-sections'
952 with_ld_version_script = false
953 if cc.links('int main() { return 0; }',
954 args : '-Wl,--version-script=@0@'.format(
955 join_paths(meson.source_root(), 'build-support/conftest.map')),
956 name : 'version-script')
957 with_ld_version_script = true
959 with_ld_dynamic_list = false
960 if cc.links('int main() { return 0; }',
961 args : '-Wl,--dynamic-list=@0@'.format(
962 join_paths(meson.source_root(), 'build-support/conftest.dyn')),
963 name : 'dynamic-list')
964 with_ld_dynamic_list = true
966 ld_args_build_id = []
967 if build_machine.system() != 'darwin'
968 ld_args_build_id += '-Wl,--build-id=sha1'
971 # check for dl support
972 if cc.has_function('dlopen')
975 dep_dl = cc.find_library('dl')
977 if cc.has_function('dladdr', dependencies : dep_dl)
978 # This is really only required for megadrivers
979 pre_args += '-DHAVE_DLADDR'
982 if cc.has_function('dl_iterate_phdr')
983 pre_args += '-DHAVE_DL_ITERATE_PHDR'
985 error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
986 elif with_dri_i965 and get_option('shader-cache')
987 error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
990 # Determine whether or not the rt library is needed for time functions
991 if cc.has_function('clock_gettime')
994 dep_clock = cc.find_library('rt')
997 # TODO: some of these may be conditional
998 dep_zlib = dependency('zlib', version : '>= 1.2.3')
999 pre_args += '-DHAVE_ZLIB'
1000 dep_thread = dependency('threads')
1001 if dep_thread.found() and host_machine.system() != 'windows'
1002 pre_args += '-DHAVE_PTHREAD'
1004 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600 or with_gallium_opencl
1005 dep_elf = dependency('libelf', required : false)
1006 if not dep_elf.found()
1007 dep_elf = cc.find_library('elf')
1012 dep_expat = dependency('expat')
1013 # this only exists on linux so either this is linux and it will be found, or
1014 # its not linux and and wont
1015 dep_m = cc.find_library('m', required : false)
1017 # Check for libdrm. various drivers have different libdrm version requirements,
1018 # but we always want to use the same version for all libdrm modules. That means
1019 # even if driver foo requires 2.4.0 and driver bar requires 2.4.3, if foo and
1020 # bar are both on use 2.4.3 for both of them
1021 dep_libdrm_amdgpu = null_dep
1022 dep_libdrm_radeon = null_dep
1023 dep_libdrm_nouveau = null_dep
1024 dep_libdrm_etnaviv = null_dep
1025 dep_libdrm_freedreno = null_dep
1026 dep_libdrm_intel = null_dep
1028 _drm_amdgpu_ver = '2.4.91'
1029 _drm_radeon_ver = '2.4.71'
1030 _drm_nouveau_ver = '2.4.66'
1031 _drm_etnaviv_ver = '2.4.89'
1032 _drm_freedreno_ver = '2.4.92'
1033 _drm_intel_ver = '2.4.75'
1037 ['intel', with_dri_i915 or with_gallium_i915],
1038 ['amdgpu', with_amd_vk or with_gallium_radeonsi],
1039 ['radeon', (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
1040 with_gallium_r300 or with_gallium_r600)],
1041 ['nouveau', (with_gallium_nouveau or with_dri_nouveau)],
1042 ['etnaviv', with_gallium_etnaviv],
1043 ['freedreno', with_gallium_freedreno],
1046 # VC4 only needs core libdrm support of this version, not a libdrm_vc4
1052 # Loop over the enables versions and get the highest libdrm requirement for all
1054 foreach d : _libdrm_checks
1055 ver = get_variable('_drm_@0@_ver'.format(d[0]))
1056 if d[1] and ver.version_compare('>' + _drm_ver)
1061 # Then get each libdrm module
1062 foreach d : _libdrm_checks
1065 'dep_libdrm_' + d[0],
1066 dependency('libdrm_' + d[0], version : '>=' + _drm_ver)
1071 with_gallium_drisw_kms = false
1072 dep_libdrm = dependency(
1073 'libdrm', version : '>=' + _drm_ver,
1074 required : with_dri2 or with_dri3
1076 if dep_libdrm.found()
1077 pre_args += '-DHAVE_LIBDRM'
1078 if with_dri_platform == 'drm' and with_dri
1079 with_gallium_drisw_kms = true
1083 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
1084 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
1085 llvm_modules += ['amdgpu', 'bitreader', 'ipo']
1086 if with_gallium_r600
1087 llvm_modules += 'asmparser'
1090 if with_gallium_opencl
1092 'all-targets', 'linker', 'coverage', 'instrumentation', 'ipo', 'irreader',
1093 'lto', 'option', 'objcarcopts', 'profiledata',
1095 # TODO: optional modules
1098 if with_amd_vk or with_gallium_radeonsi
1099 _llvm_version = '>= 5.0.0'
1100 elif with_gallium_swr
1101 _llvm_version = '>= 4.0.0'
1102 elif with_gallium_opencl or with_gallium_r600
1103 _llvm_version = '>= 3.9.0'
1105 _llvm_version = '>= 3.3.0'
1108 _llvm = get_option('llvm')
1110 dep_llvm = dependency(
1111 'llvm', version : _llvm_version, modules : llvm_modules,
1112 required : with_amd_vk or with_gallium_radeonsi or with_gallium_swr or with_gallium_opencl,
1114 with_llvm = dep_llvm.found()
1115 elif _llvm == 'true'
1116 dep_llvm = dependency('llvm', version : _llvm_version, modules : llvm_modules)
1123 _llvm_version = dep_llvm.version().split('.')
1124 # Development versions of LLVM have an 'svn' or 'git' suffix, we don't want
1125 # that for our version checks.
1126 # svn suffixes are stripped by meson as of 0.43, and git suffixes are
1127 # strippped as of 0.44, but we support older meson versions.
1129 # 3 digits versions in LLVM only started from 3.4.1 on
1130 if dep_llvm.version().version_compare('>= 3.4.1')
1131 _llvm_patch = _llvm_version[2]
1136 if _llvm_patch.endswith('svn')
1137 _llvm_patch = _llvm_patch.split('s')[0]
1138 elif _llvm_patch.contains('git')
1139 _llvm_patch = _llvm_patch.split('g')[0]
1142 '-DHAVE_LLVM=0x0@0@0@1@'.format(_llvm_version[0], _llvm_version[1]),
1143 '-DMESA_LLVM_VERSION_PATCH=@0@'.format(_llvm_patch),
1146 # LLVM can be built without rtti, turning off rtti changes the ABI of C++
1147 # programs, so we need to build all C++ code in mesa without rtti as well to
1148 # ensure that linking works.
1149 if dep_llvm.get_configtool_variable('has-rtti') == 'NO'
1150 cpp_args += '-fno-rtti'
1152 elif with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1153 error('The following drivers require LLVM: Radv, RadeonSI, SWR. One of these is enabled, but LLVM is disabled.')
1156 dep_glvnd = null_dep
1158 dep_glvnd = dependency('libglvnd', version : '>= 0.2.0')
1159 pre_args += '-DUSE_LIBGLVND=1'
1162 if with_valgrind != 'false'
1163 dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
1164 if dep_valgrind.found()
1165 pre_args += '-DHAVE_VALGRIND'
1168 dep_valgrind = null_dep
1171 # pthread stubs. Lets not and say we didn't
1173 prog_bison = find_program('bison', required : with_any_opengl)
1174 prog_flex = find_program('flex', required : with_any_opengl)
1176 dep_selinux = null_dep
1177 if get_option('selinux')
1178 dep_selinux = dependency('libselinux')
1179 pre_args += '-DMESA_SELINUX'
1182 # TODO: llvm-prefix and llvm-shared-libs
1184 if with_libunwind != 'false'
1185 dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
1186 if dep_unwind.found()
1187 pre_args += '-DHAVE_LIBUNWIND'
1190 dep_unwind = null_dep
1195 if with_osmesa != 'none'
1196 if with_osmesa == 'classic' and not with_dri_swrast
1197 error('OSMesa classic requires dri (classic) swrast.')
1199 if with_osmesa == 'gallium' and not with_gallium_softpipe
1200 error('OSMesa gallium requires gallium softpipe or llvmpipe.')
1202 osmesa_lib_name = 'OSMesa'
1203 osmesa_bits = get_option('osmesa-bits')
1204 if osmesa_bits != '8'
1205 if with_dri or with_glx != 'disabled'
1206 error('OSMesa bits must be 8 if building glx or dir based drivers')
1208 osmesa_lib_name = osmesa_lib_name + osmesa_bits
1210 '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
1215 # TODO: symbol mangling
1217 if with_platform_wayland
1218 prog_wl_scanner = find_program('wayland-scanner')
1219 dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
1220 dep_wayland_client = dependency('wayland-client', version : '>=1.11')
1221 dep_wayland_server = dependency('wayland-server', version : '>=1.11')
1223 dep_wayland_egl = dependency('wayland-egl-backend', version : '>= 3')
1224 dep_wayland_egl_headers = declare_dependency(
1225 compile_args : run_command(prog_pkgconfig, ['wayland-egl-backend', '--cflags']).stdout().split())
1227 wayland_dmabuf_xml = join_paths(
1228 dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
1229 'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
1231 pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
1233 prog_wl_scanner = []
1234 dep_wl_protocols = null_dep
1235 dep_wayland_client = null_dep
1236 dep_wayland_server = null_dep
1237 wayland_dmabuf_xml = ''
1242 dep_xdamage = null_dep
1243 dep_xfixes = null_dep
1244 dep_x11_xcb = null_dep
1246 dep_xcb_glx = null_dep
1247 dep_xcb_dri2 = null_dep
1248 dep_xcb_dri3 = null_dep
1249 dep_dri2proto = null_dep
1250 dep_glproto = null_dep
1251 dep_xxf86vm = null_dep
1252 dep_xcb_dri3 = null_dep
1253 dep_xcb_present = null_dep
1254 dep_xcb_sync = null_dep
1255 dep_xcb_xfixes = null_dep
1256 dep_xshmfence = null_dep
1257 if with_platform_x11
1258 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1259 dep_x11 = dependency('x11')
1260 dep_xext = dependency('xext')
1261 dep_xcb = dependency('xcb')
1262 elif with_glx == 'dri'
1263 dep_x11 = dependency('x11')
1264 dep_xext = dependency('xext')
1265 dep_xdamage = dependency('xdamage', version : '>= 1.1')
1266 dep_xfixes = dependency('xfixes')
1267 dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
1268 dep_xxf86vm = dependency('xxf86vm', required : false)
1270 if (with_any_vk or with_glx == 'dri' or
1271 (with_gallium_vdpau or with_gallium_xvmc or with_gallium_va or
1272 with_gallium_omx != 'disabled'))
1273 dep_xcb = dependency('xcb')
1274 dep_x11_xcb = dependency('x11-xcb')
1276 if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
1277 dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
1280 pre_args += '-DHAVE_DRI3'
1281 dep_xcb_dri3 = dependency('xcb-dri3')
1282 dep_xcb_present = dependency('xcb-present')
1283 # until xcb-dri3 has been around long enough to make a hard-dependency:
1284 if (dep_xcb_dri3.version().version_compare('>= 1.13') and
1285 dep_xcb_present.version().version_compare('>= 1.13'))
1286 pre_args += '-DHAVE_DRI3_MODIFIERS'
1288 dep_xcb_sync = dependency('xcb-sync')
1289 dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
1292 if with_glx == 'dri'
1293 if with_dri_platform == 'drm'
1294 dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
1296 dep_glproto = dependency('glproto', version : '>= 1.4.14')
1299 with_gallium_vdpau or with_gallium_xvmc or with_gallium_xa or
1300 with_gallium_omx != 'disabled'))
1301 dep_xcb_xfixes = dependency('xcb-xfixes')
1305 if get_option('gallium-extra-hud')
1306 pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
1309 _sensors = get_option('lmsensors')
1310 if _sensors != 'false'
1311 dep_lmsensors = cc.find_library('libsensors', required : _sensors == 'true')
1312 if dep_lmsensors.found()
1313 pre_args += '-DHAVE_LIBSENSORS=1'
1316 dep_lmsensors = null_dep
1319 # TODO: various libdirs
1321 # TODO: gallium driver dirs
1323 foreach a : pre_args
1324 add_project_arguments(a, language : ['c', 'cpp'])
1327 add_project_arguments(a, language : ['c'])
1329 foreach a : cpp_args
1330 add_project_arguments(a, language : ['cpp'])
1333 inc_include = include_directories('include')
1336 'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
1338 if dep_libdrm.found()
1339 gl_priv_reqs += 'libdrm >= 2.4.75'
1341 if dep_xxf86vm.found()
1342 gl_priv_reqs += 'xxf86vm'
1344 if with_dri_platform == 'drm'
1345 gl_priv_reqs += 'xcb-dri2 >= 1.8'
1349 if dep_thread.found()
1350 gl_priv_libs += ['-lpthread', '-pthread']
1353 gl_priv_libs += '-lm'
1356 gl_priv_libs += '-ldl'
1359 pkg = import('pkgconfig')
1361 env_test = environment()
1362 env_test.set('NM', find_program('nm').path())