1 # Copyright © 2017 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 : '>= 0.42',
29 default_options : ['buildtype=debugoptimized', 'c_std=c99', 'cpp_std=c++11']
32 # Arguments for the preprocessor, put these in a separate array from the C and
33 # C++ (cpp in meson terminology) arguments since they need to be added to the
34 # default arguments for both C and C++.
36 '-D__STDC_CONSTANT_MACROS',
37 '-D__STDC_FORMAT_MACROS',
38 '-D__STDC_LIMIT_MACROS',
39 '-DVERSION="@0@"'.format(meson.project_version()),
40 '-DPACKAGE_VERSION=VERSION',
41 '-DPACKAGE_BUGREPORT="https://bugs.freedesktop.org/enter_bug.cgi?product=Mesa"',
44 with_vulkan_icd_dir = get_option('vulkan-icd-dir')
45 with_tests = get_option('build-tests')
46 with_valgrind = get_option('valgrind')
47 with_libunwind = get_option('libunwind')
48 with_asm = get_option('asm')
49 with_osmesa = get_option('osmesa')
50 with_swr_arches = get_option('swr-arches').split(',')
51 if get_option('texture-float')
52 pre_args += '-DTEXTURE_FLOAT_ENABLED'
53 message('WARNING: Floating-point texture enabled. Please consult docs/patents.txt and your lawyer before building mesa.')
56 dri_drivers_path = get_option('dri-drivers-path')
57 if dri_drivers_path == ''
58 dri_drivers_path = join_paths(get_option('libdir'), 'dri')
61 with_gles1 = get_option('gles1')
62 with_gles2 = get_option('gles2')
63 with_opengl = get_option('opengl')
64 with_any_opengl = with_opengl or with_gles1 or with_gles2
65 # Only build shared_glapi if at least one OpenGL API is enabled
66 with_shared_glapi = get_option('shared-glapi') and with_any_opengl
69 # shared-glapi is required if at least two OpenGL APIs are being built
70 if not with_shared_glapi
71 if ((with_gles1 and with_gles2) or (with_gles1 and with_opengl)
72 or (with_gles2 and with_opengl))
73 error('shared-glapi required for building two or more of OpenGL, OpenGL ES 1.x, OpenGL ES 2.x')
77 # We require OpenGL for OpenGL ES
78 if (with_gles1 or with_gles2) and not with_opengl
79 error('building OpenGL ES without OpenGL is not supported.')
87 with_dri_nouveau = false
88 with_dri_swrast = false
89 _drivers = get_option('dri-drivers')
92 if not ['darwin', 'windows'].contains(host_machine.system())
93 if ['x86', 'x86_64'].contains(host_machine.cpu_family())
94 _drivers = 'i915,i965,r100,r200,nouveau'
96 error('Unknown architecture. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.')
99 error('Unknown OS. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.')
103 _split = _drivers.split(',')
104 with_dri_i915 = _split.contains('i915')
105 with_dri_i965 = _split.contains('i965')
106 with_dri_r100 = _split.contains('r100')
107 with_dri_r200 = _split.contains('r200')
108 with_dri_nouveau = _split.contains('nouveau')
109 with_dri_swrast = _split.contains('swrast')
114 with_gallium_pl111 = false
115 with_gallium_radeonsi = false
116 with_gallium_r300 = false
117 with_gallium_r600 = false
118 with_gallium_nouveau = false
119 with_gallium_freedreno = false
120 with_gallium_softpipe = false
121 with_gallium_vc4 = false
122 with_gallium_vc5 = false
123 with_gallium_etnaviv = false
124 with_gallium_imx = false
125 with_gallium_i915 = false
126 with_gallium_svga = false
127 with_gallium_virgl = false
128 _drivers = get_option('gallium-drivers')
129 if _drivers == 'auto'
130 if not ['darwin', 'windows'].contains(host_machine.system())
132 if ['x86', 'x86_64'].contains(host_machine.cpu_family())
133 _drivers = 'r300,r600,radeonsi,nouveau,virgl,svga,swrast'
134 elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
135 _drivers = 'pl111,vc4,vc5,freedreno,etnaviv,imx,virgl,svga,swrast'
137 error('Unknown architecture. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.')
140 error('Unknown OS. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.')
144 _split = _drivers.split(',')
145 with_gallium_pl111 = _split.contains('pl111')
146 with_gallium_radeonsi = _split.contains('radeonsi')
147 with_gallium_r300 = _split.contains('r300')
148 with_gallium_r600 = _split.contains('r600')
149 with_gallium_nouveau = _split.contains('nouveau')
150 with_gallium_freedreno = _split.contains('freedreno')
151 with_gallium_softpipe = _split.contains('swrast')
152 with_gallium_vc4 = _split.contains('vc4')
153 with_gallium_vc5 = _split.contains('vc5')
154 with_gallium_etnaviv = _split.contains('etnaviv')
155 with_gallium_imx = _split.contains('imx')
156 with_gallium_i915 = _split.contains('i915')
157 with_gallium_svga = _split.contains('svga')
158 with_gallium_virgl = _split.contains('virgl')
159 with_gallium_swr = _split.contains('swr')
163 with_intel_vk = false
166 _vulkan_drivers = get_option('vulkan-drivers')
167 if _vulkan_drivers == 'auto'
168 if not ['darwin', 'windows'].contains(host_machine.system())
169 if host_machine.cpu_family().startswith('x86')
170 _vulkan_drivers = 'amd,intel'
172 error('Unknown architecture. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.')
175 # No vulkan driver supports windows or macOS currently
179 if _vulkan_drivers != ''
180 _split = _vulkan_drivers.split(',')
181 with_intel_vk = _split.contains('intel')
182 with_amd_vk = _split.contains('amd')
183 with_any_vk = with_amd_vk or with_intel_vk
186 if with_dri_swrast and (with_gallium_softpipe or with_gallium_swr)
187 error('Only one swrast provider can be built')
189 if with_dri_i915 and with_gallium_i915
190 error('Only one i915 provider can be built')
192 if with_gallium_imx and not with_gallium_etnaviv
193 error('IMX driver requires etnaviv driver')
195 if with_gallium_pl111 and not with_gallium_vc4
196 error('pl111 driver requires vc4 driver')
199 dep_libdrm_intel = []
200 if with_dri_i915 or with_gallium_i915
201 dep_libdrm_intel = dependency('libdrm_intel', version : '>= 2.4.75')
204 if host_machine.system() == 'darwin'
205 with_dri_platform = 'apple'
206 elif ['windows', 'cygwin'].contains(host_machine.system())
207 with_dri_platform = 'windows'
208 elif host_machine.system() == 'linux'
209 # FIXME: This should include BSD and possibly other systems
210 with_dri_platform = 'drm'
212 # FIXME: haiku doesn't use dri, and xlib doesn't use dri, probably should
213 # assert here that one of those cases has been met.
214 # FIXME: GNU (hurd) ends up here as well, but meson doesn't officially
215 # support Hurd at time of writing (2017/11)
216 with_dri_platform = 'none'
219 with_platform_android = false
220 with_platform_wayland = false
221 with_platform_x11 = false
222 with_platform_drm = false
223 with_platform_surfaceless = false
224 egl_native_platform = ''
225 _platforms = get_option('platforms')
226 if _platforms == 'auto'
227 if ['linux'].contains(host_machine.system())
228 _platforms = 'x11,wayland,drm,surfaceless'
230 error('Unknown OS, no platforms enabled. Patches gladly accepted to fix this.')
234 _split = _platforms.split(',')
235 with_platform_android = _split.contains('android')
236 with_platform_x11 = _split.contains('x11')
237 with_platform_wayland = _split.contains('wayland')
238 with_platform_drm = _split.contains('drm')
239 with_platform_surfaceless = _split.contains('surfaceless')
240 egl_native_platform = _split[0]
243 with_glx = get_option('glx')
244 if with_glx == 'auto'
248 # Even when building just gallium drivers the user probably wants dri
251 elif with_platform_x11 and with_any_opengl and not with_any_vk
252 # The automatic behavior should not be to turn on xlib based glx when
253 # building only vulkan drivers
256 with_glx = 'disabled'
260 if not (with_dri or with_gallium or with_glx == 'xlib' or with_glx == 'gallium-xlib')
264 with_any_opengl = false
265 with_shared_glapi = false
268 with_gbm = get_option('gbm')
269 if with_gbm == 'auto' and with_dri # TODO: or gallium
270 with_gbm = host_machine.system() == 'linux'
271 elif with_gbm == 'true'
272 if not ['linux', 'bsd'].contains(host_machine.system())
273 error('GBM only supports unix-like platforms')
280 _egl = get_option('egl')
282 with_egl = with_dri and with_shared_glapi and egl_native_platform != ''
285 error('EGL requires dri')
286 elif not with_shared_glapi
287 error('EGL requires shared-glapi')
288 elif egl_native_platform == ''
289 error('No platforms specified, consider -Dplatforms=drm,x11 at least')
296 if with_egl and not (with_platform_drm or with_platform_surfaceless)
297 if with_gallium_radeonsi
298 error('RadeonSI requires drm or surfaceless platform when using EGL')
300 if with_gallium_virgl
301 error('Virgl requires drm or surfaceless platform when using EGL')
305 pre_args += '-DGLX_USE_TLS'
306 if with_glx != 'disabled'
307 if not (with_platform_x11 and with_any_opengl)
308 if with_glx == 'auto'
309 with_glx = 'disabled'
311 error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
313 elif with_glx == 'gallium-xlib'
315 error('Gallium-xlib based GLX requires at least one gallium driver')
316 elif not with_gallium_softpipe
317 error('Gallium-xlib based GLX requires softpipe or llvmpipe.')
319 error('gallium-xlib conflicts with any dri driver')
321 elif with_glx == 'xlib'
323 error('xlib conflicts with any dri driver')
325 elif with_glx == 'dri' and not with_dri
326 error('dri based GLX requires at least one DRI driver')
330 with_glvnd = get_option('glvnd')
332 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
333 error('Cannot build glvnd support for GLX that is not DRI based.')
334 elif with_glx == 'disabled' and not with_egl
335 error('glvnd requires DRI based GLX and/or EGL')
339 # TODO: toggle for this
340 with_glx_direct = true
342 if with_vulkan_icd_dir == ''
343 with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
346 with_dri2 = (with_dri or with_any_vk) and with_dri_platform == 'drm'
347 with_dri3 = get_option('dri3')
348 if with_dri3 == 'auto'
349 if host_machine.system() == 'linux' and with_dri2
354 elif with_dri3 == 'true'
360 if with_any_vk and (with_platform_x11 and not with_dri3)
361 error('Vulkan drivers require dri3 for X11 support')
363 if with_dri or with_gallium
364 if with_glx == 'disabled' and not with_egl
365 error('building dri or gallium drivers require at least one window system')
370 _vdpau = get_option('gallium-vdpau')
372 if not ['linux', 'bsd'].contains(host_machine.system())
373 with_gallium_vdpau = false
374 elif not with_platform_x11
375 with_gallium_vdpau = false
376 elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
377 with_gallium_nouveau)
378 with_gallium_vdpau = false
380 dep_vdpau = dependency('vdpau', version : '>= 1.1', required : false)
381 with_gallium_vdpau = dep_vdpau.found()
383 elif _vdpau == 'true'
384 if not ['linux', 'bsd'].contains(host_machine.system())
385 error('VDPAU state tracker can only be build on unix-like OSes.')
386 elif not with_platform_x11
387 error('VDPAU state tracker requires X11 support.')
388 with_gallium_vdpau = false
389 elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
390 with_gallium_nouveau)
391 error('VDPAU state tracker requires at least one of the following gallium drivers: r300, r600, radeonsi, nouveau.')
393 dep_vdpau = dependency('vdpau', version : '>= 1.1')
394 with_gallium_vdpau = true
396 with_gallium_vdpau = false
398 if with_gallium_vdpau
399 dep_vdpau = declare_dependency(
400 compile_args : dep_vdpau.get_pkgconfig_variable('cflags').split()
404 if with_gallium_vdpau
405 pre_args += '-DHAVE_ST_VDPAU'
407 vdpau_drivers_path = get_option('vdpau-libs-path')
408 if vdpau_drivers_path == ''
409 vdpau_drivers_path = join_paths(get_option('libdir'), 'vdpau')
413 _xvmc = get_option('gallium-xvmc')
415 if not ['linux', 'bsd'].contains(host_machine.system())
416 with_gallium_xvmc = false
417 elif not with_platform_x11
418 with_gallium_xvmc = false
419 elif not (with_gallium_r600 or with_gallium_nouveau)
420 with_gallium_xvmc = false
422 dep_xvmc = dependency('xvmc', version : '>= 1.0.6', required : false)
423 with_gallium_xvmc = dep_xvmc.found()
426 if not ['linux', 'bsd'].contains(host_machine.system())
427 error('XVMC state tracker can only be build on unix-like OSes.')
428 elif not with_platform_x11
429 error('XVMC state tracker requires X11 support.')
430 with_gallium_xvmc = false
431 elif not (with_gallium_r600 or with_gallium_nouveau)
432 error('XVMC state tracker requires at least one of the following gallium drivers: r600, nouveau.')
434 dep_xvmc = dependency('xvmc', version : '>= 1.0.6')
435 with_gallium_xvmc = true
437 with_gallium_xvmc = false
440 dep_xvmc = declare_dependency(
441 compile_args : dep_xvmc.get_pkgconfig_variable('cflags').split()
445 xvmc_drivers_path = get_option('xvmc-libs-path')
446 if xvmc_drivers_path == ''
447 xvmc_drivers_path = get_option('libdir')
451 _omx = get_option('gallium-omx')
453 if not ['linux', 'bsd'].contains(host_machine.system())
454 with_gallium_omx = false
455 elif not with_platform_x11
456 with_gallium_omx = false
457 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
458 with_gallium_omx = false
460 dep_omx = dependency('libomxil-bellagio', required : false)
461 with_gallium_omx = dep_omx.found()
464 if not ['linux', 'bsd'].contains(host_machine.system())
465 error('OMX state tracker can only be built on unix-like OSes.')
466 elif not (with_platform_x11 or with_platform_drm)
467 error('OMX state tracker requires X11 or drm platform support.')
468 with_gallium_omx = false
469 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
470 error('OMX state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
472 dep_omx = dependency('libomxil-bellagio')
473 with_gallium_omx = true
475 with_gallium_omx = false
478 omx_drivers_path = get_option('omx-libs-path')
480 # Figure out where to put the omx driver.
481 # FIXME: this could all be vastly simplified by adding a 'defined_variable'
482 # argument to meson's get_pkgconfig_variable method.
483 if omx_drivers_path == ''
484 _omx_libdir = dep_omx.get_pkgconfig_variable('libdir')
485 _omx_drivers_dir = dep_omx.get_pkgconfig_variable('pluginsdir')
486 if _omx_libdir == get_option('libdir')
487 omx_drivers_path = _omx_drivers_dir
490 # This will fail on windows. Does OMX run on windows?
491 _omx_libdir = _omx_libdir.split('/')
492 _omx_drivers_dir = _omx_drivers_dir.split('/')
493 foreach o : _omx_drivers_dir
494 if not _omx_libdir.contains(o)
498 omx_drivers_path = join_paths(get_option('libdir'), _omx_base_dir)
503 dep_omx = declare_dependency(
504 compile_args : dep_omx.get_pkgconfig_variable('cflags').split()
509 _va = get_option('gallium-va')
511 if not ['linux', 'bsd'].contains(host_machine.system())
512 with_gallium_va = false
513 elif not with_platform_x11
514 with_gallium_va = false
515 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
516 with_gallium_va = false
518 dep_va = dependency('libva', version : '>= 0.38.0', required : false)
519 with_gallium_va = dep_va.found()
522 if not ['linux', 'bsd'].contains(host_machine.system())
523 error('VA state tracker can only be built on unix-like OSes.')
524 elif not (with_platform_x11 or with_platform_drm)
525 error('VA state tracker requires X11 or drm or wayland platform support.')
526 with_gallium_va = false
527 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
528 error('VA state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
530 dep_va = dependency('libva', version : '>= 0.38.0')
531 with_gallium_va = true
533 with_gallium_va = false
536 dep_va = declare_dependency(
537 compile_args : dep_va.get_pkgconfig_variable('cflags').split()
541 va_drivers_path = get_option('va-libs-path')
542 if va_drivers_path == ''
543 va_drivers_path = join_paths(get_option('libdir'), 'dri')
546 _xa = get_option('gallium-xa')
548 if not ['linux', 'bsd'].contains(host_machine.system())
549 with_gallium_xa = false
550 elif not (with_gallium_nouveau or with_gallium_freedreno or with_gallium_i915
551 or with_gallium_svga)
552 with_gallium_xa = false
554 with_gallium_xa = true
557 if not ['linux', 'bsd'].contains(host_machine.system())
558 error('XA state tracker can only be built on unix-like OSes.')
559 elif not (with_gallium_nouveau or with_gallium_freedreno or with_gallium_i915
560 or with_gallium_svga)
561 error('XA state tracker requires at least one of the following gallium drivers: nouveau, freedreno, i915, svga.')
563 with_gallium_xa = true
565 with_gallium_xa = false
568 d3d_drivers_path = get_option('d3d-drivers-path')
569 if d3d_drivers_path == ''
570 d3d_drivers_path = join_paths(get_option('libdir'), 'd3d')
573 with_gallium_st_nine = get_option('gallium-nine')
574 if with_gallium_st_nine
575 if not with_gallium_softpipe
576 error('The nine state tracker requires gallium softpipe/llvmpipe.')
577 elif not (with_gallium_radeonsi or with_gallium_nouveau or with_gallium_r600
578 or with_gallium_r300 or with_gallium_svga or with_gallium_i915)
579 error('The nine state tracker requires at least on non-swrast gallium driver.')
582 error('Using nine with wine requires dri3')
586 _opencl = get_option('gallium-opencl')
587 if _opencl !=' disabled'
589 error('OpenCL Clover implementation requires at least one gallium driver.')
593 dep_clc = dependency('libclc')
594 with_gallium_opencl = true
595 with_opencl_icd = _opencl == 'icd'
598 with_gallium_opencl = false
599 with_gallium_icd = false
602 gl_pkgconfig_c_flags = []
604 if with_any_vk or (with_glx == 'dri' and with_dri_platform == 'drm')
605 pre_args += '-DHAVE_X11_PLATFORM'
607 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
608 pre_args += '-DUSE_XSHM'
610 pre_args += '-DGLX_INDIRECT_RENDERING'
612 pre_args += '-DGLX_DIRECT_RENDERING'
614 if with_dri_platform == 'drm'
615 pre_args += '-DGLX_USE_DRM'
616 elif with_dri_platform == 'windows'
617 pre_args += '-DGLX_USE_WINDOWSGL'
621 pre_args += '-DMESA_EGL_NO_X11_HEADERS'
622 gl_pkgconfig_c_flags += '-DMESA_EGL_NO_X11_HEADERS'
625 if with_egl and not with_gbm
626 error('EGL drm platform requires gbm')
628 pre_args += '-DHAVE_DRM_PLATFORM'
630 if with_platform_surfaceless
631 pre_args += '-DHAVE_SURFACELESS_PLATFORM'
633 if with_platform_android
635 dependency('cutils'),
636 dependency('hardware'),
639 pre_args += '-DHAVE_ANDROID_PLATFORM'
642 prog_python2 = find_program('python2')
643 has_mako = run_command(prog_python2, '-c', 'import mako')
644 if has_mako.returncode() != 0
645 error('Python (2.x) mako module required to build mesa.')
648 cc = meson.get_compiler('c')
649 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
650 error('When using GCC, version 4.4.6 or later is required.')
653 # Define DEBUG for debug builds only (debugoptimized is not included on this one)
654 if get_option('buildtype') == 'debug'
655 pre_args += '-DDEBUG'
658 if get_option('shader-cache')
659 pre_args += '-DENABLE_SHADER_CACHE'
661 error('Radv requires shader cache support')
664 # Check for GCC style builtins
665 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
666 'ffsll', 'popcount', 'popcountll', 'unreachable']
667 if cc.has_function(b)
668 pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
672 # check for GCC __attribute__
673 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
674 'warn_unused_result', 'weak',]
675 if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
676 name : '__attribute__((@0@))'.format(a))
677 pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
680 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
681 name : '__attribute__((format(...)))')
682 pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
684 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
685 name : '__attribute__((packed))')
686 pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
688 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
689 name : '__attribute__((returns_nonnull))')
690 pre_args += '-DHAVE_FUNC_ATTRIBUTE_NONNULL'
692 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
693 int foo_hid(void) __attribute__((visibility("hidden")));
694 int foo_int(void) __attribute__((visibility("internal")));
695 int foo_pro(void) __attribute__((visibility("protected")));''',
696 name : '__attribute__((visibility(...)))')
697 pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISBILITY'
699 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
700 name : '__attribute__((alias(...)))')
701 pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
703 if cc.compiles('int foo(void) __attribute__((__noreturn__));',
704 name : '__attribute__((__noreturn__))')
705 pre_args += '-DHAVE_FUNC_ATTRIBUTE_NORETURN'
708 # TODO: this is very incomplete
709 if ['linux', 'cygwin'].contains(host_machine.system())
710 pre_args += '-D_GNU_SOURCE'
713 # Check for generic C arguments
715 foreach a : ['-Wall', '-Werror=implicit-function-declaration',
716 '-Werror=missing-prototypes', '-fno-math-errno',
717 '-fno-trapping-math', '-Qunused-arguments']
718 if cc.has_argument(a)
723 if cc.has_argument('-fvisibility=hidden')
724 c_vis_args += '-fvisibility=hidden'
727 # Check for generic C++ arguments
728 cpp = meson.get_compiler('cpp')
730 foreach a : ['-Wall', '-fno-math-errno', '-fno-trapping-math',
731 '-Qunused-arguments']
732 if cpp.has_argument(a)
737 # For some reason, the test for -Wno-foo always succeeds with gcc, even if the
738 # option is not supported. Hence, check for -Wfoo instead.
739 if cpp.has_argument('-Wnon-virtual-dtor')
740 cpp_args += '-Wno-non-virtual-dtor'
743 no_override_init_args = []
744 foreach a : ['override-init', 'initializer-overrides']
745 if cc.has_argument('-W' + a)
746 no_override_init_args += '-Wno-' + a
751 if cpp.has_argument('-fvisibility=hidden')
752 cpp_vis_args += '-fvisibility=hidden'
755 # Check for C and C++ arguments for MSVC2013 compatibility. These are only used
756 # in parts of the mesa code base that need to compile with old versions of
757 # MSVC, mainly common code
758 c_msvc_compat_args = []
759 cpp_msvc_compat_args = []
760 foreach a : ['-Werror=pointer-arith', '-Werror=vla']
761 if cc.has_argument(a)
762 c_msvc_compat_args += a
764 if cpp.has_argument(a)
765 cpp_msvc_compat_args += a
769 if host_machine.cpu_family().startswith('x86')
770 pre_args += '-DHAVE_SSE41'
772 sse41_args = ['-msse4.1']
774 # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
775 # that's not guaranteed
776 if host_machine.cpu_family() == 'x86'
777 sse41_args += '-mstackrealign'
784 # Check for GCC style atomics
785 if cc.compiles('int main() { int n; return __atomic_load_n(&n, __ATOMIC_ACQUIRE); }',
786 name : 'GCC atomic builtins')
787 pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
789 if not cc.links('''#include <stdint.h>
792 return __sync_add_and_fetch(&v, (uint64_t)1);
794 name : 'GCC 64bit atomics')
795 pre_args += '-DMISSING_64_BIT_ATOMICS'
800 # TODO: shared/static? Is this even worth doing?
802 # Building x86 assembly code requires running x86 binaries. It is possible for
803 # x86_64 OSes to run x86 binaries, so don't disable asm in those cases
804 # TODO: it should be possible to use an exe_wrapper to run the binary during
806 if meson.is_cross_build()
807 if not (build_machine.cpu_family() == 'x86_64' and host_machine.cpu_family() == 'x86'
808 and build_machine.system() == host_machine.system())
809 message('Cross compiling to x86 from non-x86, disabling asm')
816 # TODO: SPARC and PPC
817 if host_machine.cpu_family() == 'x86'
818 if ['linux', 'bsd'].contains(host_machine.system()) # FIXME: hurd?
819 with_asm_arch = 'x86'
820 pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
823 elif host_machine.cpu_family() == 'x86_64'
824 if host_machine.system() == 'linux'
825 with_asm_arch = 'x86_64'
826 pre_args += ['-DUSE_X86_64_ASM']
828 elif host_machine.cpu_family() == 'arm'
829 if host_machine.system() == 'linux'
830 with_asm_arch = 'arm'
831 pre_args += ['-DUSE_ARM_ASM']
833 elif host_machine.cpu_family() == 'aarch64'
834 if host_machine.system() == 'linux'
835 with_asm_arch = 'aarch64'
836 pre_args += ['-DUSE_AARCH64_ASM']
841 # Check for standard headers and functions
842 if cc.has_header_symbol('sys/sysmacros.h', 'major')
843 pre_args += '-DMAJOR_IN_SYSMACROS'
844 elif cc.has_header_symbol('sys/mkdev.h', 'major')
845 pre_args += '-DMAJOR_IN_MKDEV'
848 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h']
850 pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
854 foreach f : ['strtof', 'mkostemp', 'posix_memalign', 'timespec_get', 'memfd_create']
855 if cc.has_function(f)
856 pre_args += '-DHAVE_@0@'.format(f.to_upper())
860 # strtod locale support
865 #ifdef HAVE_XLOCALE_H
869 locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
870 const char *s = "1.0";
872 double d = strtod_l(s, end, loc);
873 float f = strtof_l(s, end, loc);
877 extra_args : pre_args,
878 name : 'strtod has locale support')
879 pre_args += '-DHAVE_STRTOD_L'
882 # Check for some linker flags
883 ld_args_bsymbolic = []
884 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
885 ld_args_bsymbolic += '-Wl,-Bsymbolic'
887 ld_args_gc_sections = []
888 if cc.links('static char unused() { return 5; } int main() { return 0; }',
889 args : '-Wl,--gc-sections', name : 'gc-sections')
890 ld_args_gc_sections += '-Wl,--gc-sections'
892 with_ld_version_script = false
893 if cc.links('int main() { return 0; }',
894 args : '-Wl,--version-script=@0@'.format(
895 join_paths(meson.source_root(), 'build-support/conftest.map')),
896 name : 'version-script')
897 with_ld_version_script = true
899 with_ld_dynamic_list = false
900 if cc.links('int main() { return 0; }',
901 args : '-Wl,--dynamic-list=@0@'.format(
902 join_paths(meson.source_root(), 'build-support/conftest.dyn')),
903 name : 'dynamic-list')
904 with_ld_dynamic_list = true
907 # check for dl support
908 if cc.has_function('dlopen')
911 dep_dl = cc.find_library('dl')
913 if cc.has_function('dladdr', dependencies : dep_dl)
914 # This is really only required for megadrivers
915 pre_args += '-DHAVE_DLADDR'
918 if cc.has_function('dl_iterate_phdr')
919 pre_args += '-DHAVE_DL_ITERATE_PHDR'
921 error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
922 elif with_dri_i965 and get_option('shader-cache')
923 error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
926 # Determine whether or not the rt library is needed for time functions
927 if cc.has_function('clock_gettime')
930 dep_clock = cc.find_library('rt')
933 with_gallium_drisw_kms = false
934 dep_libdrm = dependency('libdrm', version : '>= 2.4.75',
935 required : with_dri2 or with_dri3)
936 if dep_libdrm.found()
937 pre_args += '-DHAVE_LIBDRM'
938 if with_dri_platform == 'drm' and with_dri
939 with_gallium_drisw_kms = true
943 # TODO: some of these may be conditional
944 dep_zlib = dependency('zlib', version : '>= 1.2.3')
945 dep_thread = dependency('threads')
946 if dep_thread.found() and host_machine.system() != 'windows'
947 pre_args += '-DHAVE_PTHREAD'
949 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600 or with_gallium_opencl
950 dep_elf = dependency('libelf', required : false)
951 if not dep_elf.found()
952 dep_elf = cc.find_library('elf')
957 dep_expat = dependency('expat')
958 # this only exists on linux so either this is linux and it will be found, or
959 # its not linux and and wont
960 dep_m = cc.find_library('m', required : false)
962 dep_libdrm_amdgpu = []
963 dep_libdrm_radeon = []
964 dep_libdrm_nouveau = []
965 dep_libdrm_etnaviv = []
966 dep_libdrm_freedreno = []
967 if with_amd_vk or with_gallium_radeonsi
968 dep_libdrm_amdgpu = dependency('libdrm_amdgpu', version : '>= 2.4.89')
970 if (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
971 with_gallium_r300 or with_gallium_r600)
972 dep_libdrm_radeon = dependency('libdrm_radeon', version : '>= 2.4.71')
974 if with_gallium_nouveau or with_dri_nouveau
975 dep_libdrm_nouveau = dependency('libdrm_nouveau', version : '>= 2.4.66')
977 if with_gallium_etnaviv
978 dep_libdrm_etnaviv = dependency('libdrm_etnaviv', version : '>= 2.4.82')
980 if with_gallium_freedreno
981 dep_libdrm_freedreno = dependency('libdrm_freedreno', version : '>= 2.4.89')
984 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
985 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
986 llvm_modules += ['amdgpu', 'bitreader', 'ipo']
988 llvm_modules += 'asmparser'
991 if with_gallium_opencl
993 'all-targets', 'linker', 'coverage', 'instrumentation', 'ipo', 'irreader',
994 'lto', 'option', 'objcarcopts', 'profiledata',
996 # TODO: optional modules
999 _llvm = get_option('llvm')
1001 dep_llvm = dependency(
1002 'llvm', version : '>= 3.9.0', modules : llvm_modules,
1003 required : with_amd_vk or with_gallium_radeonsi or with_gallium_swr or with_gallium_opencl,
1005 with_llvm = dep_llvm.found()
1006 elif _llvm == 'true'
1007 dep_llvm = dependency('llvm', version : '>= 3.9.0', modules : llvm_modules)
1014 _llvm_version = dep_llvm.version().split('.')
1015 # Development versions of LLVM have an 'svn' suffix, we don't want that for
1016 # our version checks.
1017 _llvm_patch = _llvm_version[2]
1018 if _llvm_patch.endswith('svn')
1019 _llvm_patch = _llvm_patch.split('s')[0]
1022 '-DHAVE_LLVM=0x0@0@@1@@2@'.format(_llvm_version[0], _llvm_version[1], _llvm_patch),
1023 '-DMESA_LLVM_VERSION_PATCH=@0@'.format(_llvm_patch),
1025 elif with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1026 error('The following drivers requires LLVM: Radv, RadeonSI, SWR. One of these is enabled, but LLVM is disabled.')
1031 dep_glvnd = dependency('libglvnd', version : '>= 0.2.0')
1032 pre_args += '-DUSE_LIBGLVND=1'
1035 if with_valgrind != 'false'
1036 dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
1037 if dep_valgrind.found()
1038 pre_args += '-DHAVE_VALGRIND'
1044 # pthread stubs. Lets not and say we didn't
1046 prog_bison = find_program('bison', required : with_any_opengl)
1047 prog_flex = find_program('flex', required : with_any_opengl)
1050 if get_option('selinux')
1051 dep_selinux = dependency('libselinux')
1052 pre_args += '-DMESA_SELINUX'
1055 # TODO: llvm-prefix and llvm-shared-libs
1057 if with_libunwind != 'false'
1058 dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
1059 if dep_unwind.found()
1060 pre_args += '-DHAVE_LIBUNWIND'
1068 if with_osmesa != 'none'
1069 if with_osmesa == 'classic' and not with_dri_swrast
1070 error('OSMesa classic requires dri (classic) swrast.')
1072 if with_osmesa == 'gallium' and not with_gallium_softpipe
1073 error('OSMesa gallium requires gallium softpipe or llvmpipe.')
1075 osmesa_lib_name = 'OSMesa'
1076 osmesa_bits = get_option('osmesa-bits')
1077 if osmesa_bits != '8'
1078 if with_dri or with_glx != 'disabled'
1079 error('OSMesa bits must be 8 if building glx or dir based drivers')
1081 osmesa_lib_name = osmesa_lib_name + osmesa_bits
1083 '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
1088 # TODO: symbol mangling
1090 if with_platform_wayland
1091 prog_wl_scanner = find_program('wayland-scanner')
1092 dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
1093 dep_wayland_client = dependency('wayland-client', version : '>=1.11')
1094 dep_wayland_server = dependency('wayland-server', version : '>=1.11')
1095 wayland_dmabuf_xml = join_paths(
1096 dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
1097 'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
1099 pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
1101 prog_wl_scanner = []
1102 dep_wl_protocols = []
1103 dep_wayland_client = []
1104 dep_wayland_server = []
1105 wayland_dmabuf_xml = ''
1121 dep_xcb_present = []
1125 if with_platform_x11
1126 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1127 dep_x11 = dependency('x11')
1128 dep_xext = dependency('xext')
1129 dep_xcb = dependency('xcb')
1130 elif with_glx == 'dri'
1131 dep_x11 = dependency('x11')
1132 dep_xext = dependency('xext')
1133 dep_xdamage = dependency('xdamage', version : '>= 1.1')
1134 dep_xfixes = dependency('xfixes')
1135 dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
1136 dep_xxf86vm = dependency('xxf86vm', required : false)
1138 if (with_any_vk or with_glx == 'dri' or
1139 (with_gallium_vdpau or with_gallium_xvmc or with_gallium_omx or
1141 dep_xcb = dependency('xcb')
1142 dep_x11_xcb = dependency('x11-xcb')
1144 if with_any_vk or (with_glx == 'dri' and with_dri_platform == 'drm')
1145 dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
1148 pre_args += '-DHAVE_DRI3'
1149 dep_xcb_dri3 = dependency('xcb-dri3')
1150 dep_xcb_present = dependency('xcb-present')
1151 dep_xcb_sync = dependency('xcb-sync')
1152 dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
1155 if with_glx == 'dri'
1156 if with_dri_platform == 'drm'
1157 dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
1159 dep_glproto = dependency('glproto', version : '>= 1.4.14')
1162 dep_xcb_xfixes = dependency('xcb-xfixes')
1166 if get_option('gallium-extra-hud')
1167 pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
1170 _sensors = get_option('lmsensors')
1171 if _sensors != 'false'
1172 dep_lmsensors = cc.find_library('libsensors', required : _sensors == 'true')
1173 if dep_lmsensors.found()
1174 pre_args += '-DHAVE_LIBSENSORS=1'
1180 # TODO: gallium tests
1182 # TODO: various libdirs
1184 # TODO: gallium driver dirs
1186 # FIXME: this is a workaround for #2326
1187 prog_touch = find_program('touch')
1188 dummy_cpp = custom_target(
1190 output : 'dummy.cpp',
1191 command : [prog_touch, '@OUTPUT@'],
1194 foreach a : pre_args
1195 add_project_arguments(a, language : ['c', 'cpp'])
1198 add_project_arguments(a, language : ['c'])
1200 foreach a : cpp_args
1201 add_project_arguments(a, language : ['cpp'])
1204 inc_include = include_directories('include')
1207 'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
1208 'xcb-glx >= 1.8.1', 'libdrm >= 2.4.75',
1210 if dep_xxf86vm != [] and dep_xxf86vm.found()
1211 gl_priv_reqs += 'xxf86vm'
1213 if with_dri_platform == 'drm'
1214 gl_priv_reqs += 'xcb-dri2 >= 1.8'
1218 if dep_thread.found()
1219 gl_priv_libs += ['-lpthread', '-pthread']
1222 gl_priv_libs += '-lm'
1224 if dep_dl != [] and dep_dl.found()
1225 gl_priv_libs += '-ldl'
1228 pkg = import('pkgconfig')