1 # Copyright © 2017-2019 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 : '>= 0.46',
29 default_options : ['buildtype=debugoptimized', 'b_ndebug=if-release', 'c_std=c99', 'cpp_std=c++14']
32 cc = meson.get_compiler('c')
33 cpp = meson.get_compiler('cpp')
35 null_dep = dependency('', required : false)
37 # Arguments for the preprocessor, put these in a separate array from the C and
38 # C++ (cpp in meson terminology) arguments since they need to be added to the
39 # default arguments for both C and C++.
41 '-D__STDC_CONSTANT_MACROS',
42 '-D__STDC_FORMAT_MACROS',
43 '-D__STDC_LIMIT_MACROS',
44 '-DPACKAGE_VERSION="@0@"'.format(meson.project_version()),
45 '-DPACKAGE_BUGREPORT="https://gitlab.freedesktop.org/mesa/mesa/issues"',
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_glx_read_only_text = get_option('glx-read-only-text')
53 with_glx_direct = get_option('glx-direct')
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')
72 dri_drivers_path = get_option('dri-drivers-path')
73 if dri_drivers_path == ''
74 dri_drivers_path = join_paths(get_option('prefix'), get_option('libdir'), 'dri')
76 dri_search_path = get_option('dri-search-path')
77 if dri_search_path == ''
78 dri_search_path = dri_drivers_path
81 with_gles1 = get_option('gles1')
82 with_gles2 = get_option('gles2')
83 if host_machine.system() == 'windows'
84 if with_gles1 == 'auto'
87 if with_gles2 == 'auto'
91 with_opengl = get_option('opengl')
93 # Default shared glapi off for windows, on elsewhere.
94 _sg = get_option('shared-glapi')
96 with_shared_glapi = host_machine.system() != 'windows'
98 with_shared_glapi = _sg == 'true'
101 # shared-glapi is required if at least two OpenGL APIs are being built
102 if not with_shared_glapi
103 if ((with_gles1 == 'true' and with_gles2 == 'true') or
104 (with_gles1 == 'true' and with_opengl) or
105 (with_gles2 == 'true' and with_opengl))
106 error('shared-glapi required for building two or more of OpenGL, OpenGL ES 1.x, OpenGL ES 2.x')
112 # We require OpenGL for OpenGL ES
114 if (with_gles1 == 'true' or with_gles2 == 'true') and not with_opengl
115 error('building OpenGL ES without OpenGL is not supported.')
121 with_gles1 = with_gles1 != 'false'
122 with_gles2 = with_gles2 != 'false'
123 with_any_opengl = with_opengl or with_gles1 or with_gles2
124 # Only build shared_glapi if at least one OpenGL API is enabled
125 with_shared_glapi = with_shared_glapi and with_any_opengl
127 system_has_kms_drm = ['openbsd', 'netbsd', 'freebsd', 'gnu/kfreebsd', 'dragonfly', 'linux'].contains(host_machine.system())
129 dri_drivers = get_option('dri-drivers')
130 if dri_drivers.contains('auto')
131 if system_has_kms_drm
133 if ['x86', 'x86_64'].contains(host_machine.cpu_family())
134 dri_drivers = ['i915', 'i965', 'r100', 'r200', 'nouveau']
135 elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
138 error('Unknown architecture @0@. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.'.format(
139 host_machine.cpu_family()))
141 elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
142 # only swrast would make sense here, but gallium swrast is a much better default
145 error('Unknown OS @0@. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.'.format(
146 host_machine.system()))
150 with_dri_i915 = dri_drivers.contains('i915')
151 with_dri_i965 = dri_drivers.contains('i965')
152 with_dri_r100 = dri_drivers.contains('r100')
153 with_dri_r200 = dri_drivers.contains('r200')
154 with_dri_nouveau = dri_drivers.contains('nouveau')
155 with_dri_swrast = dri_drivers.contains('swrast')
157 with_dri = dri_drivers.length() != 0 and dri_drivers != ['']
159 gallium_drivers = get_option('gallium-drivers')
160 if gallium_drivers.contains('auto')
161 if system_has_kms_drm
163 if ['x86', 'x86_64'].contains(host_machine.cpu_family())
165 'r300', 'r600', 'radeonsi', 'nouveau', 'virgl', 'svga', 'swrast'
167 elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
169 'kmsro', 'v3d', 'vc4', 'freedreno', 'etnaviv', 'nouveau',
170 'tegra', 'virgl', 'lima', 'panfrost', 'swrast'
173 error('Unknown architecture @0@. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.'.format(
174 host_machine.cpu_family()))
176 elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
177 gallium_drivers = ['swrast']
179 error('Unknown OS @0@. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.'.format(
180 host_machine.system()))
183 with_gallium_kmsro = gallium_drivers.contains('kmsro')
184 with_gallium_radeonsi = gallium_drivers.contains('radeonsi')
185 with_gallium_r300 = gallium_drivers.contains('r300')
186 with_gallium_r600 = gallium_drivers.contains('r600')
187 with_gallium_nouveau = gallium_drivers.contains('nouveau')
188 with_gallium_freedreno = gallium_drivers.contains('freedreno')
189 with_gallium_softpipe = gallium_drivers.contains('swrast')
190 with_gallium_vc4 = gallium_drivers.contains('vc4')
191 with_gallium_v3d = gallium_drivers.contains('v3d')
192 with_gallium_panfrost = gallium_drivers.contains('panfrost')
193 with_gallium_etnaviv = gallium_drivers.contains('etnaviv')
194 with_gallium_tegra = gallium_drivers.contains('tegra')
195 with_gallium_iris = gallium_drivers.contains('iris')
196 with_gallium_i915 = gallium_drivers.contains('i915')
197 with_gallium_svga = gallium_drivers.contains('svga')
198 with_gallium_virgl = gallium_drivers.contains('virgl')
199 with_gallium_swr = gallium_drivers.contains('swr')
200 with_gallium_lima = gallium_drivers.contains('lima')
202 if cc.get_id() == 'intel'
203 if meson.version().version_compare('< 0.49.0')
204 error('Meson does not have sufficient support of ICC before 0.49.0 to compile mesa')
205 elif with_gallium_swr and meson.version().version_compare('== 0.49.0')
206 warning('Meson as of 0.49.0 is sufficient for compiling mesa with ICC, but there are some caveats with SWR. 0.49.1 should resolve all of these')
210 with_gallium = gallium_drivers.length() != 0 and gallium_drivers != ['']
212 if with_gallium and system_has_kms_drm
213 _glx = get_option('glx')
214 _egl = get_option('egl')
215 if _glx == 'dri' or _egl == 'true' or (_glx == 'disabled' and _egl != 'false')
220 _vulkan_drivers = get_option('vulkan-drivers')
221 if _vulkan_drivers.contains('auto')
222 if system_has_kms_drm
223 if host_machine.cpu_family().startswith('x86')
224 _vulkan_drivers = ['amd', 'intel']
225 elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
228 error('Unknown architecture @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
229 host_machine.cpu_family()))
231 elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
232 # No vulkan driver supports windows or macOS currently
235 error('Unknown OS @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
236 host_machine.system()))
240 with_intel_vk = _vulkan_drivers.contains('intel')
241 with_amd_vk = _vulkan_drivers.contains('amd')
242 with_freedreno_vk = _vulkan_drivers.contains('freedreno')
243 with_any_vk = _vulkan_drivers.length() != 0 and _vulkan_drivers != ['']
245 if with_freedreno_vk and get_option('I-love-half-baked-turnips') != true
246 error('Cannot enable freedreno vulkan driver')
249 if with_dri_swrast and (with_gallium_softpipe or with_gallium_swr)
250 error('Only one swrast provider can be built')
252 if with_dri_i915 and with_gallium_i915
253 error('Only one i915 provider can be built')
255 if with_gallium_kmsro and not (with_gallium_v3d or with_gallium_vc4 or with_gallium_etnaviv or with_gallium_freedreno or with_gallium_panfrost or with_gallium_lima)
256 error('kmsro driver requires one or more renderonly drivers (vc4, etnaviv, freedreno, panfrost, lima)')
258 if with_gallium_tegra and not with_gallium_nouveau
259 error('tegra driver requires nouveau driver')
262 if host_machine.system() == 'darwin'
263 with_dri_platform = 'apple'
264 pre_args += '-DBUILDING_MESA'
265 elif ['windows', 'cygwin'].contains(host_machine.system())
266 with_dri_platform = 'windows'
267 elif system_has_kms_drm
268 with_dri_platform = 'drm'
270 # FIXME: haiku doesn't use dri, and xlib doesn't use dri, probably should
271 # assert here that one of those cases has been met.
272 # FIXME: illumos ends up here as well
273 with_dri_platform = 'none'
276 _platforms = get_option('platforms')
277 if _platforms.contains('auto')
278 if system_has_kms_drm
279 _platforms = ['x11', 'wayland', 'drm', 'surfaceless']
280 elif ['darwin', 'cygwin'].contains(host_machine.system())
281 _platforms = ['x11', 'surfaceless']
282 elif ['haiku'].contains(host_machine.system())
283 _platforms = ['haiku']
284 elif host_machine.system() == 'windows'
285 _platforms = ['windows']
287 error('Unknown OS @0@. Please pass -Dplatforms to set platforms. Patches gladly accepted to fix this.'.format(
288 host_machine.system()))
292 with_platform_android = _platforms.contains('android')
293 with_platform_x11 = _platforms.contains('x11')
294 with_platform_wayland = _platforms.contains('wayland')
295 with_platform_drm = _platforms.contains('drm')
296 with_platform_haiku = _platforms.contains('haiku')
297 with_platform_surfaceless = _platforms.contains('surfaceless')
298 with_platform_windows = _platforms.contains('windows')
300 with_platforms = false
301 if _platforms.length() != 0 and _platforms != ['']
302 # sanity check that list contains no empty strings
303 if _platforms.contains('')
304 error('Invalid argument list given to -Dplatforms, please fix.')
306 with_platforms = true
307 egl_native_platform = _platforms[0]
310 _xlib_lease = get_option('xlib-lease')
311 if _xlib_lease == 'auto'
312 with_xlib_lease = with_platform_x11 and with_platform_drm
314 with_xlib_lease = _xlib_lease == 'true'
317 with_glx = get_option('glx')
318 if with_glx == 'auto'
321 elif with_platform_haiku
322 with_glx = 'disabled'
323 elif host_machine.system() == 'windows'
324 with_glx = 'disabled'
326 # Even when building just gallium drivers the user probably wants dri
328 elif with_platform_x11 and with_any_opengl and not with_any_vk
329 # The automatic behavior should not be to turn on xlib based glx when
330 # building only vulkan drivers
333 with_glx = 'disabled'
342 if not (with_dri or with_gallium or with_glx != 'disabled')
346 with_any_opengl = false
347 with_shared_glapi = false
350 _gbm = get_option('gbm')
352 with_gbm = system_has_kms_drm and with_dri
354 with_gbm = _gbm == 'true'
356 if with_gbm and not system_has_kms_drm
357 error('GBM only supports DRM/KMS platforms')
360 _egl = get_option('egl')
363 not ['darwin', 'windows'].contains(host_machine.system()) and
364 with_dri and with_shared_glapi and with_platforms
368 error('EGL requires dri')
369 elif not with_shared_glapi
370 error('EGL requires shared-glapi')
371 elif not with_platforms
372 error('No platforms specified, consider -Dplatforms=drm,x11,surfaceless at least')
373 elif not ['disabled', 'dri'].contains(with_glx)
374 error('EGL requires dri, but a GLX is being built without dri')
375 elif ['darwin', 'windows'].contains(host_machine.system())
376 error('EGL is not available on Windows or MacOS')
383 if with_egl and not (with_platform_drm or with_platform_surfaceless or with_platform_android)
384 if with_gallium_radeonsi
385 error('RadeonSI requires the drm, surfaceless or android platform when using EGL')
387 if with_gallium_virgl
388 error('Virgl requires the drm, surfaceless or android platform when using EGL')
392 # Android uses emutls for versions <= P/28. For USE_ELF_TLS we need ELF TLS.
393 if host_machine.system() != 'windows' and (not with_platform_android or get_option('platform-sdk-version') >= 29)
394 pre_args += '-DUSE_ELF_TLS'
397 if with_glx != 'disabled'
398 if not (with_platform_x11 and with_any_opengl)
399 error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
400 elif with_glx == 'gallium-xlib'
402 error('Gallium-xlib based GLX requires at least one gallium driver')
403 elif not with_gallium_softpipe
404 error('Gallium-xlib based GLX requires softpipe or llvmpipe.')
406 error('gallium-xlib conflicts with any dri driver')
408 elif with_glx == 'xlib'
410 error('xlib conflicts with any dri driver')
412 elif with_glx == 'dri'
413 if not with_shared_glapi
414 error('dri based GLX requires shared-glapi')
419 with_glvnd = get_option('glvnd')
421 if with_platform_windows
422 error('glvnd cannot be used on Windows')
423 elif with_glx == 'xlib' or with_glx == 'gallium-xlib'
424 error('Cannot build glvnd support for GLX that is not DRI based.')
425 elif with_glx == 'disabled' and not with_egl
426 error('glvnd requires DRI based GLX and/or EGL')
428 if get_option('egl-lib-suffix') != ''
429 error('''EGL lib suffix can't be used with libglvnd''')
433 if with_vulkan_icd_dir == ''
434 with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
437 with_dri2 = (with_dri or with_any_vk) and (with_dri_platform == 'drm' or
438 host_machine.system() == 'gnu')
439 _dri3 = get_option('dri3')
441 with_dri3 = system_has_kms_drm and with_dri2
443 with_dri3 = _dri3 == 'true'
446 if with_any_vk and (with_platform_x11 and not with_dri3)
447 error('Vulkan drivers require dri3 for X11 support')
450 if with_glx == 'disabled' and not with_egl and not with_gbm and with_osmesa != 'classic'
451 error('building dri drivers require at least one windowing system or classic osmesa')
455 prog_pkgconfig = find_program('pkg-config')
457 _vdpau = get_option('gallium-vdpau')
458 if not system_has_kms_drm
460 error('VDPAU state tracker can only be build on unix-like OSes.')
464 elif not with_platform_x11
466 error('VDPAU state tracker requires X11 support.')
470 elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
471 with_gallium_nouveau)
473 error('VDPAU state tracker requires at least one of the following gallium drivers: r300, r600, radeonsi, nouveau.')
479 with_gallium_vdpau = false
481 dep_vdpau = dependency('vdpau', version : '>= 1.1', required : _vdpau == 'true')
483 dep_vdpau = declare_dependency(
484 compile_args : run_command(prog_pkgconfig, ['vdpau', '--cflags']).stdout().split()
486 with_gallium_vdpau = true
490 if with_gallium_vdpau
491 pre_args += '-DHAVE_ST_VDPAU'
493 vdpau_drivers_path = get_option('vdpau-libs-path')
494 if vdpau_drivers_path == ''
495 vdpau_drivers_path = join_paths(get_option('libdir'), 'vdpau')
498 _xvmc = get_option('gallium-xvmc')
499 if not system_has_kms_drm
501 error('XVMC state tracker can only be build on unix-like OSes.')
505 elif not with_platform_x11
507 error('XVMC state tracker requires X11 support.')
511 elif not (with_gallium_r600 or with_gallium_nouveau)
513 error('XVMC state tracker requires at least one of the following gallium drivers: r600, nouveau.')
520 with_gallium_xvmc = false
522 dep_xvmc = dependency('xvmc', version : '>= 1.0.6', required : _xvmc == 'true')
523 dep_xv = dependency('xv', required : _xvmc == 'true')
524 with_gallium_xvmc = dep_xvmc.found() and dep_xv.found()
527 xvmc_drivers_path = get_option('xvmc-libs-path')
528 if xvmc_drivers_path == ''
529 xvmc_drivers_path = get_option('libdir')
532 _omx = get_option('gallium-omx')
533 if not system_has_kms_drm
534 if ['auto', 'disabled'].contains(_omx)
537 error('OMX state tracker can only be built on unix-like OSes.')
539 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
540 if ['auto', 'disabled'].contains(_omx)
543 error('OMX state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
546 with_gallium_omx = _omx
549 if ['auto', 'bellagio'].contains(_omx)
550 dep_omx = dependency(
551 'libomxil-bellagio', required : _omx == 'bellagio'
554 with_gallium_omx = 'bellagio'
557 if ['auto', 'tizonia'].contains(_omx)
558 if with_dri and with_egl
559 dep_omx = dependency(
560 'libtizonia', version : '>= 0.10.0',
561 required : _omx == 'tizonia',
564 dependency('libtizplatform', required : _omx == 'tizonia'),
565 dependency('tizilheaders', required : _omx == 'tizonia'),
567 if dep_omx.found() and dep_omx_other[0].found() and dep_omx_other[1].found()
568 with_gallium_omx = 'tizonia'
570 elif _omx == 'tizonia'
571 error('OMX-Tizonia state tracker requires dri and egl')
575 with_gallium_omx = 'disabled'
577 with_gallium_omx = _omx
581 '-DENABLE_ST_OMX_BELLAGIO=' + (with_gallium_omx == 'bellagio' ? '1' : '0'),
582 '-DENABLE_ST_OMX_TIZONIA=' + (with_gallium_omx == 'tizonia' ? '1' : '0'),
586 omx_drivers_path = get_option('omx-libs-path')
588 if with_gallium_omx != 'disabled'
589 # Figure out where to put the omx driver.
590 # FIXME: this could all be vastly simplified by adding a 'defined_variable'
591 # argument to meson's get_pkgconfig_variable method.
592 if omx_drivers_path == ''
593 _omx_libdir = dep_omx.get_pkgconfig_variable('libdir')
594 _omx_drivers_dir = dep_omx.get_pkgconfig_variable('pluginsdir')
595 if _omx_libdir == get_option('libdir')
596 omx_drivers_path = _omx_drivers_dir
599 # This will fail on windows. Does OMX run on windows?
600 _omx_libdir = _omx_libdir.split('/')
601 _omx_drivers_dir = _omx_drivers_dir.split('/')
602 foreach o : _omx_drivers_dir
603 if not _omx_libdir.contains(o)
607 omx_drivers_path = join_paths(get_option('libdir'), _omx_base_dir)
612 _va = get_option('gallium-va')
613 if not system_has_kms_drm
615 error('VA state tracker can only be built on unix-like OSes.')
619 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
621 error('VA state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
626 with_gallium_va = false
629 dep_va = dependency('libva', version : '>= 0.38.0', required : _va == 'true')
631 dep_va_headers = declare_dependency(
632 compile_args : run_command(prog_pkgconfig, ['libva', '--cflags']).stdout().split()
634 with_gallium_va = true
638 va_drivers_path = get_option('va-libs-path')
639 if va_drivers_path == ''
640 va_drivers_path = join_paths(get_option('libdir'), 'dri')
643 _xa = get_option('gallium-xa')
644 if not system_has_kms_drm
646 error('XA state tracker can only be built on unix-like OSes.')
650 elif not (with_gallium_nouveau or with_gallium_freedreno or with_gallium_i915
651 or with_gallium_svga)
653 error('XA state tracker requires at least one of the following gallium drivers: nouveau, freedreno, i915, svga.')
658 with_gallium_xa = _xa != 'false'
660 d3d_drivers_path = get_option('d3d-drivers-path')
661 if d3d_drivers_path == ''
662 d3d_drivers_path = join_paths(get_option('prefix'), get_option('libdir'), 'd3d')
665 with_gallium_st_nine = get_option('gallium-nine')
666 if with_gallium_st_nine
667 if not with_gallium_softpipe
668 error('The nine state tracker requires gallium softpipe/llvmpipe.')
669 elif not (with_gallium_radeonsi or with_gallium_nouveau or with_gallium_r600
670 or with_gallium_r300 or with_gallium_svga or with_gallium_i915
671 or with_gallium_iris)
672 error('The nine state tracker requires at least one non-swrast gallium driver.')
675 error('Using nine with wine requires dri3')
679 if get_option('power8') != 'false'
680 # on old versions of meson the cpu family would return as ppc64le on little
681 # endian power8, this was changed in 0.48 such that the family would always
682 # be ppc64 regardless of endianness, and then the machine.endian() value
683 # should be checked. Since we support versions < 0.48 we need to use
685 if host_machine.cpu_family().startswith('ppc64') and host_machine.endian() == 'little'
686 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.8')
687 error('Altivec is not supported with gcc version < 4.8.')
692 vector unsigned char r;
693 vector unsigned int v = vec_splat_u32 (1);
694 r = __builtin_vec_vgbbd ((vector unsigned char) v);
697 args : '-mpower8-vector',
698 name : 'POWER8 intrinsics')
699 pre_args += ['-D_ARCH_PWR8', '-mpower8-vector']
700 elif get_option('power8') == 'true'
701 error('POWER8 intrinsic support required but not found.')
706 _opencl = get_option('gallium-opencl')
708 if _opencl != 'disabled'
710 error('OpenCL Clover implementation requires at least one gallium driver.')
713 dep_clc = dependency('libclc')
714 with_gallium_opencl = true
715 with_opencl_icd = _opencl == 'icd'
717 with_opencl_spirv = get_option('opencl-spirv')
719 dep_spirv_tools = dependency('SPIRV-Tools', required : true, version : '>= 2018.0')
720 # LLVMSPIRVLib is available at https://github.com/KhronosGroup/SPIRV-LLVM-Translator
721 dep_llvmspirvlib = dependency('LLVMSPIRVLib', required : true, version : '>= 0.2.1')
723 dep_spirv_tools = null_dep
724 dep_llvmspirvlib = null_dep
727 if host_machine.cpu_family().startswith('ppc') and cpp.compiles('''
728 #if !defined(__VEC__) || !defined(__ALTIVEC__)
729 #error "AltiVec not enabled"
732 clover_cpp_std += ['cpp_std=gnu++11']
736 dep_spirv_tools = null_dep
737 dep_llvmspirvlib = null_dep
738 with_gallium_opencl = false
739 with_opencl_icd = false
740 with_opencl_spirv = false
743 gl_pkgconfig_c_flags = []
745 if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
746 pre_args += '-DHAVE_X11_PLATFORM'
748 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
749 pre_args += '-DUSE_XSHM'
751 pre_args += '-DGLX_INDIRECT_RENDERING'
753 pre_args += '-DGLX_DIRECT_RENDERING'
755 if with_dri_platform == 'drm'
756 pre_args += '-DGLX_USE_DRM'
757 elif with_dri_platform == 'apple'
758 pre_args += '-DGLX_USE_APPLEGL'
759 elif with_dri_platform == 'windows'
760 pre_args += '-DGLX_USE_WINDOWSGL'
764 pre_args += '-DEGL_NO_X11'
765 gl_pkgconfig_c_flags += '-DEGL_NO_X11'
768 if with_egl and not with_gbm
769 error('EGL drm platform requires gbm')
771 pre_args += '-DHAVE_DRM_PLATFORM'
773 if with_platform_surfaceless
774 pre_args += '-DHAVE_SURFACELESS_PLATFORM'
776 if with_platform_android
778 dependency('cutils'),
779 dependency('hardware'),
782 if get_option('platform-sdk-version') >= 26
783 dep_android += dependency('nativewindow')
785 pre_args += '-DHAVE_ANDROID_PLATFORM'
787 if with_platform_haiku
788 pre_args += '-DHAVE_HAIKU_PLATFORM'
791 if meson.version().version_compare('>=0.50')
792 prog_python = import('python').find_installation('python3')
794 prog_python = import('python3').find_python()
796 has_mako = run_command(
799 from distutils.version import StrictVersion
801 assert StrictVersion(mako.__version__) > StrictVersion("0.8.0")
803 if has_mako.returncode() != 0
804 error('Python (3.x) mako module >= 0.8.0 required to build mesa.')
807 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
808 error('When using GCC, version 4.4.6 or later is required.')
811 # Support systems without ETIME (e.g. FreeBSD)
812 if cc.get_define('ETIME', prefix : '#include <errno.h>') == ''
813 pre_args += '-DETIME=ETIMEDOUT'
816 # Define DEBUG for debug builds only (debugoptimized is not included on this one)
817 if get_option('buildtype') == 'debug'
818 pre_args += '-DDEBUG'
821 with_shader_cache = false
822 _shader_cache = get_option('shader-cache')
823 if _shader_cache != 'false'
824 if host_machine.system() == 'windows'
825 if _shader_cache == 'true'
826 error('Shader Cache does not currently work on Windows')
829 pre_args += '-DENABLE_SHADER_CACHE'
830 with_shader_cache = true
833 if with_amd_vk and not with_shader_cache
834 error('Radv requires shader cache support')
837 # Check for GCC style builtins
838 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
839 'ffsll', 'popcount', 'popcountll', 'unreachable']
840 if cc.has_function(b)
841 pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
845 # check for GCC __attribute__
846 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
847 'warn_unused_result', 'weak',]
848 if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
849 name : '__attribute__((@0@))'.format(a))
850 pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
853 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
854 name : '__attribute__((format(...)))')
855 pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
857 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
858 name : '__attribute__((packed))')
859 pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
861 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
862 name : '__attribute__((returns_nonnull))')
863 pre_args += '-DHAVE_FUNC_ATTRIBUTE_RETURNS_NONNULL'
865 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
866 int foo_hid(void) __attribute__((visibility("hidden")));
867 int foo_int(void) __attribute__((visibility("internal")));
868 int foo_pro(void) __attribute__((visibility("protected")));''',
869 name : '__attribute__((visibility(...)))')
870 pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISIBILITY'
872 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
873 name : '__attribute__((alias(...)))')
874 pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
876 if cc.compiles('int foo(void) __attribute__((__noreturn__));',
877 name : '__attribute__((__noreturn__))')
878 pre_args += '-DHAVE_FUNC_ATTRIBUTE_NORETURN'
880 if cc.compiles('__uint128_t foo(void) { return 0; }',
881 name : '__uint128_t')
882 pre_args += '-DHAVE_UINT128'
885 # TODO: this is very incomplete
886 if ['linux', 'cygwin', 'gnu', 'gnu/kfreebsd'].contains(host_machine.system())
887 pre_args += '-D_GNU_SOURCE'
888 elif host_machine.system() == 'windows'
890 '-D_WINDOWS', '-D_WIN32_WINNT=0x0601', '-D_WINVER=0x0601',
891 '-DPIPE_SUBSYSTEM_WINDOWS_USER',
892 '-D_USE_MATH_DEFINES', # XXX: scons doesn't use this for mingw
894 if cc.get_id() == 'msvc'
897 '-D_CRT_SECURE_NO_WARNINGS',
898 '-D_CRT_SECURE_NO_DEPRECATE',
899 '-D_SCL_SECURE_NO_WARNINGS',
900 '-D_SCL_SECURE_NO_DEPRECATE',
901 '-D_ALLOW_KEYWORD_MACROS',
902 '-D_HAS_EXCEPTIONS=0', # Tell C++ STL to not use exceptions
905 pre_args += ['-D__MSVCRT_VERSION__=0x0700']
909 # Check for generic C arguments
912 c_msvc_compat_args = []
913 no_override_init_args = []
916 cpp_msvc_compat_args = []
917 if cc.get_id() == 'msvc'
918 foreach a : ['/wd4018', # signed/unsigned mismatch
919 '/wd4056', # overflow in floating-point constant arithmetic
920 '/wd4244', # conversion from 'type1' to 'type2', possible loss of data
921 '/wd4267', # 'var' : conversion from 'size_t' to 'type', possible loss of data
922 '/wd4305', # trancation from 'type1' to 'type2'
923 '/wd4351', # new behavior: elements of array 'array' will be default initialized
924 '/wd4756', # overflow in constant arithmetic
925 '/wd4800', # forcing value to bool 'true' or 'false' (performance warning)
926 '/wd4996', # disabled deprecated POSIX name warnings
927 '/wd4291'] # no matching operator delete found
928 if cc.has_argument(a)
931 if cpp.has_argument(a)
935 if cc.has_argument('-Wmicrosoft-enum-value') # Clang
936 c_args += '-Wno-microsoft-enum-value'
937 cpp_args += '-Wno-microsoft-enum-value'
941 '-Werror=implicit-function-declaration',
942 '-Werror=missing-prototypes',
943 '-Werror=return-type',
944 '-Werror=incompatible-pointer-types',
945 '-Wno-missing-field-initializers',
946 '-Wno-format-truncation',
948 '-fno-trapping-math',
949 '-Qunused-arguments',
951 # MinGW chokes on format specifiers and I can't get it all working
952 if not (cc.get_id() == 'gcc' and host_machine.system() == 'windows')
953 _trial += ['-Werror=format', '-Wformat-security']
956 if cc.has_argument(a)
962 '-Werror=return-type',
963 '-Wno-non-virtual-dtor',
964 '-Wno-missing-field-initializers',
965 '-Wno-format-truncation',
967 '-fno-trapping-math',
968 '-Qunused-arguments',
970 # MinGW chokes on format specifiers and I can't get it all working
971 if not (cc.get_id() == 'gcc' and host_machine.system() == 'windows')
972 _trial += ['-Werror=format', '-Wformat-security']
975 if cpp.has_argument(a)
980 foreach a : ['-Wno-override-init', '-Wno-initializer-overrides']
981 if cc.has_argument(a)
982 no_override_init_args += a
986 if cc.has_argument('-fvisibility=hidden')
987 c_vis_args += '-fvisibility=hidden'
990 # Check for C and C++ arguments for MSVC2013 compatibility. These are only
991 # used in parts of the mesa code base that need to compile with old versions
992 # of MSVC, mainly common code
993 foreach a : ['-Werror=pointer-arith', '-Werror=vla']
994 if cc.has_argument(a)
995 c_msvc_compat_args += a
997 if cpp.has_argument(a)
998 cpp_msvc_compat_args += a
1002 if cpp.has_argument('-fvisibility=hidden')
1003 cpp_vis_args += '-fvisibility=hidden'
1008 # set linker arguments
1009 if host_machine.system() == 'windows'
1010 if cc.get_id() == 'msvc'
1011 add_project_link_arguments(
1016 language : ['c', 'cpp'],
1019 add_project_link_arguments(
1021 '-Wl,--dynamicbase',
1023 '-static-libstdc++',
1024 language : ['c', 'cpp'],
1029 if host_machine.cpu_family().startswith('x86') and cc.get_id() != 'msvc'
1030 pre_args += '-DUSE_SSE41'
1032 sse41_args = ['-msse4.1']
1034 # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
1035 # that's not guaranteed
1036 if host_machine.cpu_family() == 'x86'
1037 sse41_args += '-mstackrealign'
1044 # Check for GCC style atomics
1045 dep_atomic = null_dep
1047 if cc.compiles('''#include <stdint.h>
1052 return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
1053 (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
1056 name : 'GCC atomic builtins')
1057 pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
1059 # Not all atomic calls can be turned into lock-free instructions, in which
1060 # GCC will make calls into the libatomic library. Check whether we need to
1061 # link with -latomic.
1063 # This can happen for 64-bit atomic operations on 32-bit architectures such
1065 if not cc.links('''#include <stdint.h>
1070 return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
1071 (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
1073 name : 'GCC atomic builtins required -latomic')
1074 dep_atomic = cc.find_library('atomic')
1077 if not cc.links('''#include <stdint.h>
1080 return __sync_add_and_fetch(&v, (uint64_t)1);
1082 dependencies : dep_atomic,
1083 name : 'GCC 64bit atomics')
1084 pre_args += '-DMISSING_64BIT_ATOMICS'
1087 dep_ws2_32 = cc.find_library('ws2_32', required : with_platform_windows)
1089 # TODO: shared/static? Is this even worth doing?
1092 if host_machine.cpu_family() == 'x86'
1093 if system_has_kms_drm or host_machine.system() == 'gnu'
1094 with_asm_arch = 'x86'
1095 pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
1098 if with_glx_read_only_text
1099 pre_args += ['-DGLX_X86_READONLY_TEXT']
1102 elif host_machine.cpu_family() == 'x86_64'
1103 if system_has_kms_drm
1104 with_asm_arch = 'x86_64'
1105 pre_args += ['-DUSE_X86_64_ASM']
1107 elif host_machine.cpu_family() == 'arm'
1108 if system_has_kms_drm
1109 with_asm_arch = 'arm'
1110 pre_args += ['-DUSE_ARM_ASM']
1112 elif host_machine.cpu_family() == 'aarch64'
1113 if system_has_kms_drm
1114 with_asm_arch = 'aarch64'
1115 pre_args += ['-DUSE_AARCH64_ASM']
1117 elif host_machine.cpu_family() == 'sparc64'
1118 if system_has_kms_drm
1119 with_asm_arch = 'sparc'
1120 pre_args += ['-DUSE_SPARC_ASM']
1122 elif host_machine.cpu_family().startswith('ppc64') and host_machine.endian() == 'little'
1123 if system_has_kms_drm
1124 with_asm_arch = 'ppc64le'
1125 pre_args += ['-DUSE_PPC64LE_ASM']
1129 # Check for standard headers and functions
1130 if (cc.has_header_symbol('sys/sysmacros.h', 'major') and
1131 cc.has_header_symbol('sys/sysmacros.h', 'minor') and
1132 cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
1133 pre_args += '-DMAJOR_IN_SYSMACROS'
1135 if (cc.has_header_symbol('sys/mkdev.h', 'major') and
1136 cc.has_header_symbol('sys/mkdev.h', 'minor') and
1137 cc.has_header_symbol('sys/mkdev.h', 'makedev'))
1138 pre_args += '-DMAJOR_IN_MKDEV'
1141 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h', 'endian.h', 'dlfcn.h', 'execinfo.h', 'sys/shm.h', 'cet.h']
1142 if cc.compiles('#include <@0@>'.format(h), name : '@0@'.format(h))
1143 pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
1147 foreach f : ['strtof', 'mkostemp', 'timespec_get', 'memfd_create', 'random_r']
1148 if cc.has_function(f)
1149 pre_args += '-DHAVE_@0@'.format(f.to_upper())
1153 if cc.has_header_symbol('errno.h', 'program_invocation_name',
1154 args : '-D_GNU_SOURCE')
1155 pre_args += '-DHAVE_PROGRAM_INVOCATION_NAME'
1156 elif with_tools.contains('intel')
1157 error('Intel tools require the program_invocation_name variable')
1160 # MinGW provides a __builtin_posix_memalign function, but not a posix_memalign.
1161 # This means that this check will succeed, but then compilation will later
1162 # fail. MSVC doesn't have this function at all, so only check for it on
1163 # non-windows platforms.
1164 if host_machine.system() != 'windows'
1165 if cc.has_function('posix_memalign')
1166 pre_args += '-DHAVE_POSIX_MEMALIGN'
1170 # strtod locale support
1175 #ifdef HAVE_XLOCALE_H
1176 #include <xlocale.h>
1179 locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
1180 const char *s = "1.0";
1182 double d = strtod_l(s, end, loc);
1183 float f = strtof_l(s, end, loc);
1188 name : 'strtod has locale support')
1189 pre_args += '-DHAVE_STRTOD_L'
1192 # Check for some linker flags
1193 ld_args_bsymbolic = []
1194 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
1195 ld_args_bsymbolic += '-Wl,-Bsymbolic'
1197 ld_args_gc_sections = []
1198 if cc.links('static char unused() { return 5; } int main() { return 0; }',
1199 args : '-Wl,--gc-sections', name : 'gc-sections')
1200 ld_args_gc_sections += '-Wl,--gc-sections'
1202 with_ld_version_script = false
1203 if cc.links('int main() { return 0; }',
1204 args : '-Wl,--version-script=@0@'.format(
1205 join_paths(meson.source_root(), 'build-support/conftest.map')),
1206 name : 'version-script')
1207 with_ld_version_script = true
1209 with_ld_dynamic_list = false
1210 if cc.links('int main() { return 0; }',
1211 args : '-Wl,--dynamic-list=@0@'.format(
1212 join_paths(meson.source_root(), 'build-support/conftest.dyn')),
1213 name : 'dynamic-list')
1214 with_ld_dynamic_list = true
1217 ld_args_build_id = cc.get_supported_link_arguments('-Wl,--build-id=sha1')
1219 # check for dl support
1221 if host_machine.system() != 'windows'
1222 if not cc.has_function('dlopen')
1223 dep_dl = cc.find_library('dl')
1225 if cc.has_function('dladdr', dependencies : dep_dl)
1226 # This is really only required for megadrivers
1227 pre_args += '-DHAVE_DLADDR'
1231 if cc.has_function('dl_iterate_phdr')
1232 pre_args += '-DHAVE_DL_ITERATE_PHDR'
1234 error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
1235 elif with_dri_i965 and with_shader_cache
1236 error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
1239 # Determine whether or not the rt library is needed for time functions
1240 if host_machine.system() == 'windows' or cc.has_function('clock_gettime')
1241 dep_clock = null_dep
1243 dep_clock = cc.find_library('rt')
1246 # TODO: some of these may be conditional
1247 dep_zlib = dependency('zlib', version : '>= 1.2.3', fallback : ['zlib', 'zlib_dep'])
1248 pre_args += '-DHAVE_ZLIB'
1249 dep_thread = dependency('threads')
1250 if dep_thread.found() and host_machine.system() != 'windows'
1251 pre_args += '-DHAVE_PTHREAD'
1253 'pthread_setaffinity_np',
1254 dependencies : dep_thread,
1255 prefix : '#include <pthread.h>',
1256 args : '-D_GNU_SOURCE')
1257 pre_args += '-DHAVE_PTHREAD_SETAFFINITY'
1260 'pthread_setaffinity_np',
1261 dependencies : dep_thread,
1262 prefix : '#include <pthread_np.h>')
1263 pre_args += '-DPTHREAD_SETAFFINITY_IN_NP_HEADER'
1266 dep_expat = dependency('expat', fallback : ['expat', 'expat_dep'])
1267 # this only exists on linux so either this is linux and it will be found, or
1268 # it's not linux and wont
1269 dep_m = cc.find_library('m', required : false)
1271 # Check for libdrm. Various drivers have different libdrm version requirements,
1272 # but we always want to use the same version for all libdrm modules. That means
1273 # even if driver foo requires 2.4.0 and driver bar requires 2.4.3, if foo and
1274 # bar are both on use 2.4.3 for both of them
1275 dep_libdrm_amdgpu = null_dep
1276 dep_libdrm_radeon = null_dep
1277 dep_libdrm_nouveau = null_dep
1278 dep_libdrm_intel = null_dep
1280 _drm_amdgpu_ver = '2.4.99'
1281 _drm_radeon_ver = '2.4.71'
1282 _drm_nouveau_ver = '2.4.66'
1283 _drm_intel_ver = '2.4.75'
1287 ['intel', with_dri_i915 or with_gallium_i915],
1288 ['amdgpu', with_amd_vk or with_gallium_radeonsi],
1289 ['radeon', (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
1290 with_gallium_r300 or with_gallium_r600)],
1291 ['nouveau', (with_gallium_nouveau or with_dri_nouveau)],
1294 # VC4 only needs core libdrm support of this version, not a libdrm_vc4
1300 # etnaviv only needs core libdrm
1301 if with_gallium_etnaviv
1305 # Loop over the enables versions and get the highest libdrm requirement for all
1308 foreach d : _libdrm_checks
1309 ver = get_variable('_drm_@0@_ver'.format(d[0]))
1310 if d[1] and ver.version_compare('>' + _drm_ver)
1316 message('libdrm @0@ needed because @1@ has the highest requirement'.format(_drm_ver, _drm_blame))
1319 # Then get each libdrm module
1320 foreach d : _libdrm_checks
1323 'dep_libdrm_' + d[0],
1324 dependency('libdrm_' + d[0], version : '>=' + _drm_ver)
1329 with_gallium_drisw_kms = false
1330 dep_libdrm = dependency(
1331 'libdrm', version : '>=' + _drm_ver,
1332 required : with_dri2 or with_dri3
1334 if dep_libdrm.found()
1335 pre_args += '-DHAVE_LIBDRM'
1336 if with_dri_platform == 'drm' and with_dri
1337 with_gallium_drisw_kms = true
1341 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
1342 llvm_optional_modules = ['coroutines']
1343 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
1344 llvm_modules += ['amdgpu', 'native', 'bitreader', 'ipo']
1345 if with_gallium_r600
1346 llvm_modules += 'asmparser'
1349 if with_gallium_opencl
1351 'all-targets', 'linker', 'coverage', 'instrumentation', 'ipo', 'irreader',
1352 'lto', 'option', 'objcarcopts', 'profiledata',
1356 if with_amd_vk or with_gallium_radeonsi
1357 _llvm_version = '>= 8.0.0'
1358 elif with_gallium_swr
1359 _llvm_version = '>= 6.0.0'
1361 _llvm_version = '>= 3.9.0'
1364 _shared_llvm = get_option('shared-llvm')
1366 _llvm = get_option('llvm')
1370 dep_llvm = dependency(
1372 version : _llvm_version,
1373 modules : llvm_modules,
1374 optional_modules : llvm_optional_modules,
1376 with_amd_vk or with_gallium_radeonsi or with_gallium_swr or
1377 with_gallium_opencl or _llvm == 'true'
1379 static : not _shared_llvm,
1380 method : 'config-tool',
1382 with_llvm = dep_llvm.found()
1385 pre_args += '-DLLVM_AVAILABLE'
1386 pre_args += '-DMESA_LLVM_VERSION_STRING="@0@"'.format(dep_llvm.version())
1388 # LLVM can be built without rtti, turning off rtti changes the ABI of C++
1389 # programs, so we need to build all C++ code in mesa without rtti as well to
1390 # ensure that linking works.
1391 if dep_llvm.get_configtool_variable('has-rtti') == 'NO'
1392 if with_gallium_nouveau
1393 error('The Nouveau driver requires rtti. You either need to turn off nouveau or use an LLVM built with LLVM_ENABLE_RTTI.')
1394 elif with_gallium_opencl
1395 error('The Clover OpenCL state tracker requires rtti, you need to turn off clover or use an LLVM built with LLVM_ENABLE_RTTI.')
1397 if cc.get_id() == 'msvc'
1400 cpp_args += '-fno-rtti'
1403 elif with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1404 error('The following drivers require LLVM: Radv, RadeonSI, SWR. One of these is enabled, but LLVM is disabled.')
1405 elif with_gallium_opencl
1406 error('The OpenCL "Clover" state tracker requires LLVM, but LLVM is disabled.')
1409 if (with_amd_vk or with_gallium_radeonsi or with_gallium_opencl or
1410 (with_gallium_r600 and with_llvm))
1411 dep_elf = dependency('libelf', required : false)
1412 if not dep_elf.found()
1413 dep_elf = cc.find_library('elf')
1419 dep_glvnd = null_dep
1420 glvnd_has_headers_and_pc_files = false
1422 dep_glvnd = dependency('libglvnd', version : '>= 0.2.0')
1423 # GLVND before 1.2 was missing its pkg-config and header files, forcing every
1424 # vendor to provide them and the distro maintainers to resolve the conflict.
1425 glvnd_has_headers_and_pc_files = dep_glvnd.version().version_compare('>= 1.2.0')
1426 pre_args += '-DUSE_LIBGLVND=1'
1429 if with_valgrind != 'false'
1430 dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
1431 if dep_valgrind.found()
1432 pre_args += '-DHAVE_VALGRIND'
1435 dep_valgrind = null_dep
1438 # pthread stubs. Lets not and say we didn't
1440 if host_machine.system() == 'windows'
1441 # Prefer the winflexbison versions, they're much easier to install and have
1442 # better windows support.
1444 prog_flex = find_program('win_flex', required : false)
1445 if prog_flex.found()
1446 # windows compatibility (uses <io.h> instead of <unistd.h> and _isatty,
1447 # _fileno functions)
1448 prog_flex = [prog_flex, '--wincompat']
1450 prog_flex = [find_program('lex', 'flex', required : with_any_opengl)]
1452 # Force flex to use const keyword in prototypes, as relies on __cplusplus or
1453 # __STDC__ macro to determine whether it's safe to use const keyword, but
1454 # MSVC never defines __STDC__ unless we disable all MSVC extensions.
1455 prog_flex += '-DYY_USE_CONST='
1457 prog_bison = find_program('win_bison', required : false)
1458 if not prog_bison.found()
1459 prog_bison = find_program('yacc', 'bison', required : with_any_opengl)
1462 prog_bison = find_program('bison', required : with_any_opengl)
1463 prog_flex = find_program('flex', required : with_any_opengl)
1466 dep_selinux = null_dep
1467 if get_option('selinux')
1468 dep_selinux = dependency('libselinux')
1469 pre_args += '-DMESA_SELINUX'
1472 if with_libunwind != 'false'
1473 dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
1474 if dep_unwind.found()
1475 pre_args += '-DHAVE_LIBUNWIND'
1478 dep_unwind = null_dep
1481 if with_osmesa != 'none'
1482 if with_osmesa == 'gallium' and not with_gallium_softpipe
1483 error('OSMesa gallium requires gallium softpipe or llvmpipe.')
1485 if host_machine.system() == 'windows'
1486 osmesa_lib_name = 'osmesa'
1488 osmesa_lib_name = 'OSMesa'
1490 osmesa_bits = get_option('osmesa-bits')
1491 if osmesa_bits != '8'
1492 if with_dri or with_glx != 'disabled'
1493 error('OSMesa bits must be 8 if building glx or dir based drivers')
1495 osmesa_lib_name = osmesa_lib_name + osmesa_bits
1497 '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
1502 # TODO: symbol mangling
1504 if with_platform_wayland
1505 dep_wl_scanner = dependency('wayland-scanner', native: true)
1506 prog_wl_scanner = find_program(dep_wl_scanner.get_pkgconfig_variable('wayland_scanner'))
1507 if dep_wl_scanner.version().version_compare('>= 1.15')
1508 wl_scanner_arg = 'private-code'
1510 wl_scanner_arg = 'code'
1512 dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
1513 dep_wayland_client = dependency('wayland-client', version : '>=1.11')
1514 dep_wayland_server = dependency('wayland-server', version : '>=1.11')
1516 dep_wayland_egl = dependency('wayland-egl-backend', version : '>= 3')
1517 dep_wayland_egl_headers = declare_dependency(
1518 compile_args : run_command(prog_pkgconfig, ['wayland-egl-backend', '--cflags']).stdout().split())
1520 wayland_dmabuf_xml = join_paths(
1521 dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
1522 'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
1524 pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
1529 dep_xdamage = null_dep
1530 dep_xfixes = null_dep
1531 dep_x11_xcb = null_dep
1533 dep_xcb_glx = null_dep
1534 dep_xcb_dri2 = null_dep
1535 dep_xcb_dri3 = null_dep
1536 dep_dri2proto = null_dep
1537 dep_glproto = null_dep
1538 dep_xxf86vm = null_dep
1539 dep_xcb_dri3 = null_dep
1540 dep_xcb_present = null_dep
1541 dep_xcb_sync = null_dep
1542 dep_xcb_xfixes = null_dep
1543 dep_xshmfence = null_dep
1544 dep_xcb_xrandr = null_dep
1545 dep_xlib_xrandr = null_dep
1546 if with_platform_x11
1547 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1548 dep_x11 = dependency('x11')
1549 dep_xext = dependency('xext')
1550 dep_xcb = dependency('xcb')
1551 elif with_glx == 'dri'
1552 dep_x11 = dependency('x11')
1553 dep_xext = dependency('xext')
1554 dep_xdamage = dependency('xdamage', version : '>= 1.1')
1555 dep_xfixes = dependency('xfixes')
1556 dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
1558 if (with_any_vk or with_glx == 'dri' or with_egl or
1559 (with_gallium_vdpau or with_gallium_xvmc or with_gallium_va or
1560 with_gallium_omx != 'disabled'))
1561 dep_xcb = dependency('xcb')
1562 dep_x11_xcb = dependency('x11-xcb')
1563 if with_dri_platform == 'drm' and not dep_libdrm.found()
1564 error('libdrm required for gallium video statetrackers when using x11')
1567 if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
1568 dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
1571 pre_args += '-DHAVE_DRI3'
1572 dep_xcb_dri3 = dependency('xcb-dri3')
1573 dep_xcb_present = dependency('xcb-present')
1574 # until xcb-dri3 has been around long enough to make a hard-dependency:
1575 if (dep_xcb_dri3.version().version_compare('>= 1.13') and
1576 dep_xcb_present.version().version_compare('>= 1.13'))
1577 pre_args += '-DHAVE_DRI3_MODIFIERS'
1579 dep_xcb_sync = dependency('xcb-sync')
1580 dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
1583 if with_glx == 'dri' or with_glx == 'gallium-xlib'
1584 dep_glproto = dependency('glproto', version : '>= 1.4.14')
1586 if with_glx == 'dri'
1587 if with_dri_platform == 'drm'
1588 dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
1589 dep_xxf86vm = dependency('xxf86vm')
1593 with_gallium_vdpau or with_gallium_xvmc or with_gallium_xa or
1594 with_gallium_omx != 'disabled'))
1595 dep_xcb_xfixes = dependency('xcb-xfixes')
1598 dep_xcb_xrandr = dependency('xcb-randr')
1599 dep_xlib_xrandr = dependency('xrandr', version : '>= 1.3')
1603 if get_option('gallium-extra-hud')
1604 pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
1607 _sensors = get_option('lmsensors')
1608 if _sensors != 'false'
1609 dep_lmsensors = cc.find_library('sensors', required : _sensors == 'true')
1610 if dep_lmsensors.found()
1611 pre_args += '-DHAVE_LIBSENSORS=1'
1614 dep_lmsensors = null_dep
1617 foreach a : pre_args
1618 add_project_arguments(a, language : ['c', 'cpp'])
1621 add_project_arguments(a, language : ['c'])
1623 foreach a : cpp_args
1624 add_project_arguments(a, language : ['cpp'])
1629 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1630 gl_priv_reqs += ['x11', 'xext', 'xcb']
1631 elif with_glx == 'dri'
1633 'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
1635 if with_dri_platform == 'drm'
1636 gl_priv_reqs += 'xcb-dri2 >= 1.8'
1637 gl_priv_reqs += 'xxf86vm'
1640 if dep_libdrm.found()
1641 gl_priv_reqs += 'libdrm >= 2.4.75'
1645 if dep_thread.found()
1646 gl_priv_libs += ['-lpthread', '-pthread']
1649 gl_priv_libs += '-lm'
1652 gl_priv_libs += '-ldl'
1655 pkg = import('pkgconfig')
1657 prog_nm = find_program('nm', required : false)
1659 # This quirk needs to be applied to sources with functions defined in assembly
1660 # as GCC LTO drops them. See: https://bugs.freedesktop.org/show_bug.cgi?id=109391
1661 gcc_lto_quirk = (cc.get_id() == 'gcc') ? ['-fno-lto'] : []
1667 # Meson 0.49 and earlier seems to have a bug that fails to evaluate the string-
1668 # formatting below unless the first argument is passed as a variable. This has
1669 # been fixed in Meson 0.50 and beyond, but we need to keep it like this for now
1670 # for backwards compatibility.
1671 _with_opengl_string = with_opengl ? 'yes' : 'no'
1674 'prefix: ' + get_option('prefix'),
1675 'libdir: ' + get_option('libdir'),
1676 'includedir: ' + get_option('includedir'),
1678 'OpenGL: @0@ (ES1: @1@ ES2: @2@)'.format(_with_opengl_string,
1679 with_gles1 ? 'yes' : 'no',
1680 with_gles2 ? 'yes' : 'no'),
1683 if with_osmesa != 'none'
1686 if with_osmesa == 'gallium'
1687 suffix = '(Gallium)'
1689 lines += 'OSMesa: lib' + osmesa_lib_name + suffix
1691 lines += 'OSMesa: no'
1696 lines += 'DRI platform: ' + with_dri_platform
1697 if dri_drivers.length() != 0 and dri_drivers != ['']
1698 lines += 'DRI drivers: ' + ' '.join(dri_drivers)
1700 lines += 'DRI drivers: no'
1702 lines += 'DRI driver dir: ' + dri_drivers_path
1705 if with_glx != 'disabled'
1707 if with_glx == 'dri'
1708 lines += 'GLX: DRI-based'
1709 elif with_glx == 'xlib'
1710 lines += 'GLX: Xlib-based'
1711 elif with_glx == 'gallium-xlib'
1712 lines += 'GLX: Xlib-based (Gallium)'
1714 lines += 'GLX: ' + with_glx
1719 lines += 'EGL: ' + (with_egl ? 'yes' : 'no')
1723 egl_drivers += 'builtin:egl_dri2'
1726 egl_drivers += 'builtin:egl_dri3'
1728 lines += 'EGL drivers: ' + ' '.join(egl_drivers)
1730 lines += 'GBM: ' + (with_gbm ? 'yes' : 'no')
1732 lines += 'EGL/Vulkan/VL platforms: ' + ' '.join(_platforms)
1737 lines += 'Vulkan drivers: ' + ' '.join(_vulkan_drivers)
1738 lines += 'Vulkan ICD dir: ' + with_vulkan_icd_dir
1740 lines += 'Vulkan drivers: no'
1745 lines += 'llvm: yes'
1746 lines += 'llvm-version: ' + dep_llvm.version()
1753 lines += 'Gallium drivers: ' + ' '.join(gallium_drivers)
1754 gallium_st = ['mesa']
1758 if with_gallium_xvmc
1759 gallium_st += 'xvmc'
1761 if with_gallium_xvmc
1762 gallium_st += 'xvmc'
1764 if with_gallium_vdpau
1765 gallium_st += 'vdpau'
1767 if with_gallium_omx != 'disabled'
1768 gallium_st += 'omx' + with_gallium_omx
1773 if with_gallium_st_nine
1774 gallium_st += 'nine'
1776 if with_gallium_opencl
1777 gallium_st += 'clover'
1779 lines += 'Gallium st: ' + ' '.join(gallium_st)
1781 lines += 'Gallium: no'
1784 lines += 'HUD lmsensors: ' + (dep_lmsensors.found() ? 'yes' : 'no')
1787 lines += 'Shared-glapi: ' + (with_shared_glapi ? 'yes' : 'no')
1791 summary = indent + ('\n' + indent).join(lines)
1792 message('Configuration summary:\n@0@\n'.format(summary))