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 : '>= 0.45',
29 default_options : ['buildtype=debugoptimized', 'b_ndebug=if-release', 'c_std=c99', 'cpp_std=c++11']
32 cc = meson.get_compiler('c')
33 cpp = meson.get_compiler('cpp')
35 null_dep = dependency('', required : false)
37 system_has_kms_drm = ['openbsd', 'netbsd', 'freebsd', 'dragonfly', 'linux'].contains(host_machine.system())
39 # Arguments for the preprocessor, put these in a separate array from the C and
40 # C++ (cpp in meson terminology) arguments since they need to be added to the
41 # default arguments for both C and C++.
43 '-D__STDC_CONSTANT_MACROS',
44 '-D__STDC_FORMAT_MACROS',
45 '-D__STDC_LIMIT_MACROS',
46 '-DVERSION="@0@"'.format(meson.project_version()),
47 '-DPACKAGE_VERSION=VERSION',
48 '-DPACKAGE_BUGREPORT="https://bugs.freedesktop.org/enter_bug.cgi?product=Mesa"',
51 with_vulkan_icd_dir = get_option('vulkan-icd-dir')
52 with_tests = get_option('build-tests')
53 with_valgrind = get_option('valgrind')
54 with_libunwind = get_option('libunwind')
55 with_asm = get_option('asm')
56 with_glx_read_only_text = get_option('glx-read-only-text')
57 with_osmesa = get_option('osmesa')
58 with_swr_arches = get_option('swr-arches')
59 with_tools = get_option('tools')
60 if with_tools.contains('all')
61 with_tools = ['freedreno', 'glsl', 'intel', 'nir', 'nouveau', 'xvmc']
64 dri_drivers_path = get_option('dri-drivers-path')
65 if dri_drivers_path == ''
66 dri_drivers_path = join_paths(get_option('libdir'), 'dri')
68 dri_search_path = get_option('dri-search-path')
69 if dri_search_path == ''
70 dri_search_path = join_paths(get_option('prefix'), dri_drivers_path)
73 with_gles1 = get_option('gles1')
74 with_gles2 = get_option('gles2')
75 with_opengl = get_option('opengl')
76 with_any_opengl = with_opengl or with_gles1 or with_gles2
77 # Only build shared_glapi if at least one OpenGL API is enabled
78 with_shared_glapi = get_option('shared-glapi') and with_any_opengl
81 # shared-glapi is required if at least two OpenGL APIs are being built
82 if not with_shared_glapi
83 if ((with_gles1 and with_gles2) or (with_gles1 and with_opengl)
84 or (with_gles2 and with_opengl))
85 error('shared-glapi required for building two or more of OpenGL, OpenGL ES 1.x, OpenGL ES 2.x')
89 # We require OpenGL for OpenGL ES
90 if (with_gles1 or with_gles2) and not with_opengl
91 error('building OpenGL ES without OpenGL is not supported.')
94 system_has_kms_drm = ['openbsd', 'netbsd', 'freebsd', 'dragonfly', 'linux'].contains(host_machine.system())
96 _drivers = get_option('dri-drivers')
97 if _drivers.contains('auto')
100 if ['x86', 'x86_64'].contains(host_machine.cpu_family())
101 _drivers = ['i915', 'i965', 'r100', 'r200', 'nouveau']
102 elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
105 error('Unknown architecture @0@. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.'.format(
106 host_machine.cpu_family()))
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 @0@. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.'.format(
113 host_machine.system()))
117 with_dri_i915 = _drivers.contains('i915')
118 with_dri_i965 = _drivers.contains('i965')
119 with_dri_r100 = _drivers.contains('r100')
120 with_dri_r200 = _drivers.contains('r200')
121 with_dri_nouveau = _drivers.contains('nouveau')
122 with_dri_swrast = _drivers.contains('swrast')
124 with_dri = _drivers.length() != 0 and _drivers != ['']
126 _drivers = get_option('gallium-drivers')
127 if _drivers.contains('auto')
128 if system_has_kms_drm
130 if ['x86', 'x86_64'].contains(host_machine.cpu_family())
132 'r300', 'r600', 'radeonsi', 'nouveau', 'virgl', 'svga', 'swrast'
134 elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
136 'pl111', 'v3d', 'vc4', 'freedreno', 'etnaviv', 'imx', 'nouveau',
137 'tegra', 'virgl', 'swrast',
140 error('Unknown architecture @0@. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.'.format(
141 host_machine.cpu_family()))
143 elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
144 _drivers = ['swrast']
146 error('Unknown OS @0@. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.'.format(
147 host_machine.system()))
150 with_gallium_pl111 = _drivers.contains('pl111')
151 with_gallium_radeonsi = _drivers.contains('radeonsi')
152 with_gallium_r300 = _drivers.contains('r300')
153 with_gallium_r600 = _drivers.contains('r600')
154 with_gallium_nouveau = _drivers.contains('nouveau')
155 with_gallium_freedreno = _drivers.contains('freedreno')
156 with_gallium_softpipe = _drivers.contains('swrast')
157 with_gallium_vc4 = _drivers.contains('vc4')
158 with_gallium_v3d = _drivers.contains('v3d')
159 with_gallium_etnaviv = _drivers.contains('etnaviv')
160 with_gallium_imx = _drivers.contains('imx')
161 with_gallium_tegra = _drivers.contains('tegra')
162 with_gallium_i915 = _drivers.contains('i915')
163 with_gallium_svga = _drivers.contains('svga')
164 with_gallium_virgl = _drivers.contains('virgl')
165 with_gallium_swr = _drivers.contains('swr')
167 with_gallium = _drivers.length() != 0 and _drivers != ['']
169 if with_gallium and system_has_kms_drm
170 _glx = get_option('glx')
171 _egl = get_option('egl')
172 if _glx == 'dri' or _egl == 'true' or (_glx == 'disabled' and _egl != 'false')
177 _vulkan_drivers = get_option('vulkan-drivers')
178 if _vulkan_drivers.contains('auto')
179 if system_has_kms_drm
180 if host_machine.cpu_family().startswith('x86')
181 _vulkan_drivers = ['amd', 'intel']
182 elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
185 error('Unknown architecture @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
186 host_machine.cpu_family()))
188 elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
189 # No vulkan driver supports windows or macOS currently
192 error('Unknown OS @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
193 host_machine.system()))
197 with_intel_vk = _vulkan_drivers.contains('intel')
198 with_amd_vk = _vulkan_drivers.contains('amd')
199 with_any_vk = _vulkan_drivers.length() != 0 and _vulkan_drivers != ['']
201 if with_dri_swrast and (with_gallium_softpipe or with_gallium_swr)
202 error('Only one swrast provider can be built')
204 if with_dri_i915 and with_gallium_i915
205 error('Only one i915 provider can be built')
207 if with_gallium_imx and not with_gallium_etnaviv
208 error('IMX driver requires etnaviv driver')
210 if with_gallium_pl111 and not with_gallium_vc4
211 error('pl111 driver requires vc4 driver')
213 if with_gallium_tegra and not with_gallium_nouveau
214 error('tegra driver requires nouveau driver')
217 if host_machine.system() == 'darwin'
218 with_dri_platform = 'apple'
219 elif ['windows', 'cygwin'].contains(host_machine.system())
220 with_dri_platform = 'windows'
221 elif system_has_kms_drm
222 with_dri_platform = 'drm'
224 # FIXME: haiku doesn't use dri, and xlib doesn't use dri, probably should
225 # assert here that one of those cases has been met.
226 # FIXME: GNU (hurd) ends up here as well, but meson doesn't officially
227 # support Hurd at time of writing (2017/11)
228 # FIXME: illumos ends up here as well
229 with_dri_platform = 'none'
232 _platforms = get_option('platforms')
233 if _platforms.contains('auto')
234 if system_has_kms_drm
235 _platforms = ['x11', 'wayland', 'drm', 'surfaceless']
236 elif ['darwin', 'windows', 'cygwin'].contains(host_machine.system())
237 _platforms = ['x11', 'surfaceless']
238 elif ['haiku'].contains(host_machine.system())
239 _platforms = ['haiku']
241 error('Unknown OS @0@. Please pass -Dplatforms to set platforms. Patches gladly accepted to fix this.'.format(
242 host_machine.system()))
246 with_platform_android = _platforms.contains('android')
247 with_platform_x11 = _platforms.contains('x11')
248 with_platform_wayland = _platforms.contains('wayland')
249 with_platform_drm = _platforms.contains('drm')
250 with_platform_haiku = _platforms.contains('haiku')
251 with_platform_surfaceless = _platforms.contains('surfaceless')
253 with_platforms = false
254 if _platforms.length() != 0 and _platforms != ['']
255 with_platforms = true
256 egl_native_platform = _platforms[0]
259 _xlib_lease = get_option('xlib-lease')
260 if _xlib_lease == 'auto'
261 with_xlib_lease = with_platform_x11 and with_platform_drm
263 with_xlib_lease = _xlib_lease == 'true'
266 with_glx = get_option('glx')
267 if with_glx == 'auto'
270 elif with_platform_haiku
271 with_glx = 'disabled'
273 # Even when building just gallium drivers the user probably wants dri
275 elif with_platform_x11 and with_any_opengl and not with_any_vk
276 # The automatic behavior should not be to turn on xlib based glx when
277 # building only vulkan drivers
280 with_glx = 'disabled'
289 if not (with_dri or with_gallium or with_glx == 'xlib' or with_glx == 'gallium-xlib')
293 with_any_opengl = false
294 with_shared_glapi = false
297 _gbm = get_option('gbm')
299 with_gbm = system_has_kms_drm and with_dri
301 with_gbm = _gbm == 'true'
303 if with_gbm and not system_has_kms_drm
304 error('GBM only supports DRM/KMS platforms')
307 _egl = get_option('egl')
309 with_egl = with_dri and with_shared_glapi and with_platforms
312 error('EGL requires dri')
313 elif not with_shared_glapi
314 error('EGL requires shared-glapi')
315 elif not with_platforms
316 error('No platforms specified, consider -Dplatforms=drm,x11,surfaceless at least')
317 elif not ['disabled', 'dri'].contains(with_glx)
318 error('EGL requires dri, but a GLX is being built without dri')
325 if with_egl and not (with_platform_drm or with_platform_surfaceless)
326 if with_gallium_radeonsi
327 error('RadeonSI requires drm or surfaceless platform when using EGL')
329 if with_gallium_virgl
330 error('Virgl requires drm or surfaceless platform when using EGL')
334 pre_args += '-DGLX_USE_TLS'
335 if with_glx != 'disabled'
336 if not (with_platform_x11 and with_any_opengl)
337 error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
338 elif with_glx == 'gallium-xlib'
340 error('Gallium-xlib based GLX requires at least one gallium driver')
341 elif not with_gallium_softpipe
342 error('Gallium-xlib based GLX requires softpipe or llvmpipe.')
344 error('gallium-xlib conflicts with any dri driver')
346 elif with_glx == 'xlib'
348 error('xlib conflicts with any dri driver')
350 elif with_glx == 'dri'
352 error('dri based GLX requires at least one DRI driver')
353 elif not with_shared_glapi
354 error('dri based GLX requires shared-glapi')
359 with_glvnd = get_option('glvnd')
361 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
362 error('Cannot build glvnd support for GLX that is not DRI based.')
363 elif with_glx == 'disabled' and not with_egl
364 error('glvnd requires DRI based GLX and/or EGL')
368 # TODO: toggle for this
369 with_glx_direct = true
371 if with_vulkan_icd_dir == ''
372 with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
375 with_dri2 = (with_dri or with_any_vk) and with_dri_platform == 'drm'
376 _dri3 = get_option('dri3')
378 with_dri3 = system_has_kms_drm and with_dri2
380 with_dri3 = _dri3 == 'true'
383 if with_any_vk and (with_platform_x11 and not with_dri3)
384 error('Vulkan drivers require dri3 for X11 support')
386 if with_dri or with_gallium
387 if with_glx == 'disabled' and not with_egl and not with_platform_haiku
388 error('building dri or gallium drivers require at least one window system')
392 prog_pkgconfig = find_program('pkg-config')
394 _vdpau = get_option('gallium-vdpau')
395 if not system_has_kms_drm
397 error('VDPAU state tracker can only be build on unix-like OSes.')
401 elif not with_platform_x11
403 error('VDPAU state tracker requires X11 support.')
407 elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
408 with_gallium_nouveau)
410 error('VDPAU state tracker requires at least one of the following gallium drivers: r300, r600, radeonsi, nouveau.')
416 with_gallium_vdpau = false
418 dep_vdpau = dependency('vdpau', version : '>= 1.1', required : _vdpau == 'true')
420 dep_vdpau = declare_dependency(
421 compile_args : run_command(prog_pkgconfig, ['vdpau', '--cflags']).stdout().split()
423 with_gallium_vdpau = true
427 if with_gallium_vdpau
428 pre_args += '-DHAVE_ST_VDPAU'
430 vdpau_drivers_path = get_option('vdpau-libs-path')
431 if vdpau_drivers_path == ''
432 vdpau_drivers_path = join_paths(get_option('libdir'), 'vdpau')
435 _xvmc = get_option('gallium-xvmc')
436 if not system_has_kms_drm
438 error('XVMC state tracker can only be build on unix-like OSes.')
442 elif not with_platform_x11
444 error('XVMC state tracker requires X11 support.')
448 elif not (with_gallium_r600 or with_gallium_nouveau)
450 error('XVMC state tracker requires at least one of the following gallium drivers: r600, nouveau.')
456 with_gallium_xvmc = false
458 dep_xvmc = dependency('xvmc', version : '>= 1.0.6', required : _xvmc == 'true')
459 with_gallium_xvmc = dep_xvmc.found()
462 xvmc_drivers_path = get_option('xvmc-libs-path')
463 if xvmc_drivers_path == ''
464 xvmc_drivers_path = get_option('libdir')
467 _omx = get_option('gallium-omx')
468 if not system_has_kms_drm
469 if ['auto', 'disabled'].contains(_omx)
472 error('OMX state tracker can only be built on unix-like OSes.')
474 elif not (with_platform_x11 or with_platform_drm)
475 if ['auto', 'disabled'].contains(_omx)
478 error('OMX state tracker requires X11 or drm platform support.')
480 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
481 if ['auto', 'disabled'].contains(_omx)
484 error('OMX state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
487 with_gallium_omx = _omx
490 if ['auto', 'bellagio'].contains(_omx)
491 dep_omx = dependency(
492 'libomxil-bellagio', required : _omx == 'bellagio'
495 with_gallium_omx = 'bellagio'
498 if ['auto', 'tizonia'].contains(_omx)
499 if with_dri and with_egl
500 dep_omx = dependency(
501 'libtizonia', version : '>= 0.10.0',
502 required : _omx == 'tizonia',
505 dependency('libtizplatform', required : _omx == 'tizonia'),
506 dependency('tizilheaders', required : _omx == 'tizonia'),
508 if dep_omx.found() and dep_omx_other[0].found() and dep_omx_other[1].found()
509 with_gallium_omx = 'tizonia'
511 elif _omx == 'tizonia'
512 error('OMX-Tizonia state tracker requires dri and egl')
516 with_gallium_omx = 'disabled'
518 with_gallium_omx = _omx
522 '-DENABLE_ST_OMX_BELLAGIO=' + (with_gallium_omx == 'bellagio' ? '1' : '0'),
523 '-DENABLE_ST_OMX_TIZONIA=' + (with_gallium_omx == 'tizonia' ? '1' : '0'),
527 omx_drivers_path = get_option('omx-libs-path')
529 if with_gallium_omx != 'disabled'
530 # Figure out where to put the omx driver.
531 # FIXME: this could all be vastly simplified by adding a 'defined_variable'
532 # argument to meson's get_pkgconfig_variable method.
533 if omx_drivers_path == ''
534 _omx_libdir = dep_omx.get_pkgconfig_variable('libdir')
535 _omx_drivers_dir = dep_omx.get_pkgconfig_variable('pluginsdir')
536 if _omx_libdir == get_option('libdir')
537 omx_drivers_path = _omx_drivers_dir
540 # This will fail on windows. Does OMX run on windows?
541 _omx_libdir = _omx_libdir.split('/')
542 _omx_drivers_dir = _omx_drivers_dir.split('/')
543 foreach o : _omx_drivers_dir
544 if not _omx_libdir.contains(o)
548 omx_drivers_path = join_paths(get_option('libdir'), _omx_base_dir)
553 _va = get_option('gallium-va')
554 if not system_has_kms_drm
556 error('VA state tracker can only be built on unix-like OSes.')
560 elif not (with_platform_x11 or with_platform_drm)
562 error('VA state tracker requires X11 or drm or wayland platform support.')
566 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
568 error('VA state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
575 with_gallium_va = false
578 dep_va = dependency('libva', version : '>= 0.38.0', required : _va == 'true')
580 dep_va_headers = declare_dependency(
581 compile_args : run_command(prog_pkgconfig, ['libva', '--cflags']).stdout().split()
583 with_gallium_va = true
587 va_drivers_path = get_option('va-libs-path')
588 if va_drivers_path == ''
589 va_drivers_path = join_paths(get_option('libdir'), 'dri')
592 _xa = get_option('gallium-xa')
593 if not system_has_kms_drm
595 error('XA state tracker can only be built on unix-like OSes.')
599 elif not (with_gallium_nouveau or with_gallium_freedreno or with_gallium_i915
600 or with_gallium_svga)
602 error('XA state tracker requires at least one of the following gallium drivers: nouveau, freedreno, i915, svga.')
607 with_gallium_xa = _xa != 'false'
609 d3d_drivers_path = get_option('d3d-drivers-path')
610 if d3d_drivers_path == ''
611 d3d_drivers_path = join_paths(get_option('libdir'), 'd3d')
614 with_gallium_st_nine = get_option('gallium-nine')
615 if with_gallium_st_nine
616 if not with_gallium_softpipe
617 error('The nine state tracker requires gallium softpipe/llvmpipe.')
618 elif not (with_gallium_radeonsi or with_gallium_nouveau or with_gallium_r600
619 or with_gallium_r300 or with_gallium_svga or with_gallium_i915)
620 error('The nine state tracker requires at least on non-swrast gallium driver.')
623 error('Using nine with wine requires dri3')
627 if get_option('power8') != 'false'
628 if host_machine.cpu_family() == 'ppc64le'
629 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.8')
630 error('Altivec is not supported with gcc version < 4.8.')
635 vector unsigned char r;
636 vector unsigned int v = vec_splat_u32 (1);
637 r = __builtin_vec_vgbbd ((vector unsigned char) v);
640 args : '-mpower8-vector',
641 name : 'POWER8 intrinsics')
642 pre_args += ['-D_ARCH_PWR8', '-mpower8-vector']
643 elif get_option('power8') == 'true'
644 error('POWER8 intrinsic support required but not found.')
649 _opencl = get_option('gallium-opencl')
650 if _opencl != 'disabled'
652 error('OpenCL Clover implementation requires at least one gallium driver.')
655 dep_clc = dependency('libclc')
656 with_gallium_opencl = true
657 with_opencl_icd = _opencl == 'icd'
660 with_gallium_opencl = false
661 with_gallium_icd = false
664 gl_pkgconfig_c_flags = []
666 if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
667 pre_args += '-DHAVE_X11_PLATFORM'
669 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
670 pre_args += '-DUSE_XSHM'
672 pre_args += '-DGLX_INDIRECT_RENDERING'
674 pre_args += '-DGLX_DIRECT_RENDERING'
676 if with_dri_platform == 'drm'
677 pre_args += '-DGLX_USE_DRM'
678 elif with_dri_platform == 'apple'
679 pre_args += '-DGLX_USE_APPLEGL'
680 elif with_dri_platform == 'windows'
681 pre_args += '-DGLX_USE_WINDOWSGL'
685 pre_args += '-DMESA_EGL_NO_X11_HEADERS'
686 gl_pkgconfig_c_flags += '-DMESA_EGL_NO_X11_HEADERS'
689 if with_egl and not with_gbm
690 error('EGL drm platform requires gbm')
692 pre_args += '-DHAVE_DRM_PLATFORM'
694 if with_platform_surfaceless
695 pre_args += '-DHAVE_SURFACELESS_PLATFORM'
697 if with_platform_android
699 dependency('cutils'),
700 dependency('hardware'),
703 pre_args += '-DHAVE_ANDROID_PLATFORM'
705 if with_platform_haiku
706 pre_args += '-DHAVE_HAIKU_PLATFORM'
709 prog_python = import('python3').find_python()
710 has_mako = run_command(
713 from distutils.version import StrictVersion
715 assert StrictVersion(mako.__version__) > StrictVersion("0.8.0")
717 if has_mako.returncode() != 0
718 error('Python (3.x) mako module >= 0.8.0 required to build mesa.')
721 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
722 error('When using GCC, version 4.4.6 or later is required.')
725 # Define DEBUG for debug builds only (debugoptimized is not included on this one)
726 if get_option('buildtype') == 'debug'
727 pre_args += '-DDEBUG'
730 if get_option('shader-cache')
731 pre_args += '-DENABLE_SHADER_CACHE'
733 error('Radv requires shader cache support')
736 # Check for GCC style builtins
737 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
738 'ffsll', 'popcount', 'popcountll', 'unreachable']
739 if cc.has_function(b)
740 pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
744 # check for GCC __attribute__
745 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
746 'warn_unused_result', 'weak',]
747 if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
748 name : '__attribute__((@0@))'.format(a))
749 pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
752 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
753 name : '__attribute__((format(...)))')
754 pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
756 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
757 name : '__attribute__((packed))')
758 pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
760 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
761 name : '__attribute__((returns_nonnull))')
762 pre_args += '-DHAVE_FUNC_ATTRIBUTE_RETURNS_NONNULL'
764 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
765 int foo_hid(void) __attribute__((visibility("hidden")));
766 int foo_int(void) __attribute__((visibility("internal")));
767 int foo_pro(void) __attribute__((visibility("protected")));''',
768 name : '__attribute__((visibility(...)))')
769 pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISIBILITY'
771 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
772 name : '__attribute__((alias(...)))')
773 pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
775 if cc.compiles('int foo(void) __attribute__((__noreturn__));',
776 name : '__attribute__((__noreturn__))')
777 pre_args += '-DHAVE_FUNC_ATTRIBUTE_NORETURN'
780 # TODO: this is very incomplete
781 if ['linux', 'cygwin'].contains(host_machine.system())
782 pre_args += '-D_GNU_SOURCE'
785 # Check for generic C arguments
787 foreach a : ['-Wall', '-Werror=implicit-function-declaration',
788 '-Werror=missing-prototypes', '-fno-math-errno',
789 '-fno-trapping-math', '-Qunused-arguments']
790 if cc.has_argument(a)
794 if cc.has_argument('-Wmissing-field-initializers')
795 c_args += '-Wno-missing-field-initializers'
799 if cc.has_argument('-fvisibility=hidden')
800 c_vis_args += '-fvisibility=hidden'
803 # Check for generic C++ arguments
805 foreach a : ['-Wall', '-fno-math-errno', '-fno-trapping-math',
806 '-Qunused-arguments']
807 if cpp.has_argument(a)
812 # For some reason, the test for -Wno-foo always succeeds with gcc, even if the
813 # option is not supported. Hence, check for -Wfoo instead.
815 foreach a : ['non-virtual-dtor', 'missing-field-initializers']
816 if cpp.has_argument('-W' + a)
817 cpp_args += '-Wno-' + a
821 no_override_init_args = []
822 foreach a : ['override-init', 'initializer-overrides']
823 if cc.has_argument('-W' + a)
824 no_override_init_args += '-Wno-' + a
829 if cpp.has_argument('-fvisibility=hidden')
830 cpp_vis_args += '-fvisibility=hidden'
833 # Check for C and C++ arguments for MSVC2013 compatibility. These are only used
834 # in parts of the mesa code base that need to compile with old versions of
835 # MSVC, mainly common code
836 c_msvc_compat_args = []
837 cpp_msvc_compat_args = []
838 foreach a : ['-Werror=pointer-arith', '-Werror=vla']
839 if cc.has_argument(a)
840 c_msvc_compat_args += a
842 if cpp.has_argument(a)
843 cpp_msvc_compat_args += a
847 if host_machine.cpu_family().startswith('x86')
848 pre_args += '-DUSE_SSE41'
850 sse41_args = ['-msse4.1']
852 # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
853 # that's not guaranteed
854 if host_machine.cpu_family() == 'x86'
855 sse41_args += '-mstackrealign'
862 # Check for GCC style atomics
863 dep_atomic = null_dep
865 if cc.compiles('''#include <stdint.h>
870 return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
871 (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
874 name : 'GCC atomic builtins')
875 pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
877 # Not all atomic calls can be turned into lock-free instructions, in which
878 # GCC will make calls into the libatomic library. Check whether we need to
879 # link with -latomic.
881 # This can happen for 64-bit atomic operations on 32-bit architectures such
883 if not cc.links('''#include <stdint.h>
888 return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
889 (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
891 name : 'GCC atomic builtins required -latomic')
892 dep_atomic = cc.find_library('atomic')
895 if not cc.links('''#include <stdint.h>
898 return __sync_add_and_fetch(&v, (uint64_t)1);
900 name : 'GCC 64bit atomics')
901 pre_args += '-DMISSING_64_BIT_ATOMICS'
904 # TODO: shared/static? Is this even worth doing?
906 # When cross compiling we generally need to turn off the use of assembly,
907 # because mesa's assembly relies on building an executable for the host system,
908 # and running it to get information about struct sizes. There is at least one
909 # case of cross compiling where we can use asm, and that's x86_64 -> x86 when
910 # host OS == build OS, since in that case the build machine can run the host's
912 if meson.is_cross_build()
913 if build_machine.system() != host_machine.system()
914 # TODO: It may be possible to do this with an exe_wrapper (like wine).
915 message('Cross compiling from one OS to another, disabling assembly.')
917 elif not (build_machine.cpu_family().startswith('x86') and host_machine.cpu_family() == 'x86')
918 # FIXME: Gentoo always sets -m32 for x86_64 -> x86 builds, resulting in an
919 # x86 -> x86 cross compile. We use startswith rather than == to handle this
921 # TODO: There may be other cases where the 64 bit version of the
922 # architecture can run 32 bit binaries (aarch64 and armv7 for example)
924 Cross compiling to different architectures, and the host cannot run
925 the build machine's binaries. Disabling assembly.
933 if host_machine.cpu_family() == 'x86'
934 if system_has_kms_drm
935 with_asm_arch = 'x86'
936 pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
939 if with_glx_read_only_text
940 pre_args += ['-DGLX_X86_READONLY_TEXT']
943 elif host_machine.cpu_family() == 'x86_64'
944 if system_has_kms_drm
945 with_asm_arch = 'x86_64'
946 pre_args += ['-DUSE_X86_64_ASM']
948 elif host_machine.cpu_family() == 'arm'
949 if system_has_kms_drm
950 with_asm_arch = 'arm'
951 pre_args += ['-DUSE_ARM_ASM']
953 elif host_machine.cpu_family() == 'aarch64'
954 if system_has_kms_drm
955 with_asm_arch = 'aarch64'
956 pre_args += ['-DUSE_AARCH64_ASM']
958 elif host_machine.cpu_family() == 'sparc64'
959 if system_has_kms_drm
960 with_asm_arch = 'sparc'
961 pre_args += ['-DUSE_SPARC_ASM']
963 elif host_machine.cpu_family() == 'ppc64le'
964 if system_has_kms_drm
965 with_asm_arch = 'ppc64le'
966 pre_args += ['-DUSE_PPC64LE_ASM']
971 # Check for standard headers and functions
972 if cc.has_header_symbol('sys/sysmacros.h', 'major')
973 pre_args += '-DMAJOR_IN_SYSMACROS'
974 elif cc.has_header_symbol('sys/mkdev.h', 'major')
975 pre_args += '-DMAJOR_IN_MKDEV'
978 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h', 'endian.h', 'dlfcn.h']
979 if cc.compiles('#include <@0@>'.format(h), name : '@0@'.format(h))
980 pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
984 foreach f : ['strtof', 'mkostemp', 'posix_memalign', 'timespec_get', 'memfd_create']
985 if cc.has_function(f)
986 pre_args += '-DHAVE_@0@'.format(f.to_upper())
990 # strtod locale support
995 #ifdef HAVE_XLOCALE_H
999 locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
1000 const char *s = "1.0";
1002 double d = strtod_l(s, end, loc);
1003 float f = strtof_l(s, end, loc);
1008 name : 'strtod has locale support')
1009 pre_args += '-DHAVE_STRTOD_L'
1012 # Check for some linker flags
1013 ld_args_bsymbolic = []
1014 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
1015 ld_args_bsymbolic += '-Wl,-Bsymbolic'
1017 ld_args_gc_sections = []
1018 if cc.links('static char unused() { return 5; } int main() { return 0; }',
1019 args : '-Wl,--gc-sections', name : 'gc-sections')
1020 ld_args_gc_sections += '-Wl,--gc-sections'
1022 with_ld_version_script = false
1023 if cc.links('int main() { return 0; }',
1024 args : '-Wl,--version-script=@0@'.format(
1025 join_paths(meson.source_root(), 'build-support/conftest.map')),
1026 name : 'version-script')
1027 with_ld_version_script = true
1029 with_ld_dynamic_list = false
1030 if cc.links('int main() { return 0; }',
1031 args : '-Wl,--dynamic-list=@0@'.format(
1032 join_paths(meson.source_root(), 'build-support/conftest.dyn')),
1033 name : 'dynamic-list')
1034 with_ld_dynamic_list = true
1036 ld_args_build_id = []
1037 if build_machine.system() != 'darwin'
1038 ld_args_build_id += '-Wl,--build-id=sha1'
1041 # check for dl support
1042 if cc.has_function('dlopen')
1045 dep_dl = cc.find_library('dl')
1047 if cc.has_function('dladdr', dependencies : dep_dl)
1048 # This is really only required for megadrivers
1049 pre_args += '-DHAVE_DLADDR'
1052 if cc.has_function('dl_iterate_phdr')
1053 pre_args += '-DHAVE_DL_ITERATE_PHDR'
1055 error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
1056 elif with_dri_i965 and get_option('shader-cache')
1057 error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
1060 # Determine whether or not the rt library is needed for time functions
1061 if cc.has_function('clock_gettime')
1062 dep_clock = null_dep
1064 dep_clock = cc.find_library('rt')
1067 # TODO: some of these may be conditional
1068 dep_zlib = dependency('zlib', version : '>= 1.2.3')
1069 pre_args += '-DHAVE_ZLIB'
1070 dep_thread = dependency('threads')
1071 if dep_thread.found() and host_machine.system() != 'windows'
1072 pre_args += '-DHAVE_PTHREAD'
1074 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600 or with_gallium_opencl
1075 dep_elf = dependency('libelf', required : false)
1076 if not dep_elf.found()
1077 dep_elf = cc.find_library('elf')
1082 dep_expat = dependency('expat')
1083 # this only exists on linux so either this is linux and it will be found, or
1084 # its not linux and and wont
1085 dep_m = cc.find_library('m', required : false)
1087 # Check for libdrm. various drivers have different libdrm version requirements,
1088 # but we always want to use the same version for all libdrm modules. That means
1089 # even if driver foo requires 2.4.0 and driver bar requires 2.4.3, if foo and
1090 # bar are both on use 2.4.3 for both of them
1091 dep_libdrm_amdgpu = null_dep
1092 dep_libdrm_radeon = null_dep
1093 dep_libdrm_nouveau = null_dep
1094 dep_libdrm_etnaviv = null_dep
1095 dep_libdrm_freedreno = null_dep
1096 dep_libdrm_intel = null_dep
1098 _drm_amdgpu_ver = '2.4.93'
1099 _drm_radeon_ver = '2.4.71'
1100 _drm_nouveau_ver = '2.4.66'
1101 _drm_etnaviv_ver = '2.4.89'
1102 _drm_freedreno_ver = '2.4.93'
1103 _drm_intel_ver = '2.4.75'
1107 ['intel', with_dri_i915 or with_gallium_i915],
1108 ['amdgpu', with_amd_vk or with_gallium_radeonsi],
1109 ['radeon', (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
1110 with_gallium_r300 or with_gallium_r600)],
1111 ['nouveau', (with_gallium_nouveau or with_dri_nouveau)],
1112 ['etnaviv', with_gallium_etnaviv],
1113 ['freedreno', with_gallium_freedreno],
1116 # VC4 only needs core libdrm support of this version, not a libdrm_vc4
1122 # Loop over the enables versions and get the highest libdrm requirement for all
1125 foreach d : _libdrm_checks
1126 ver = get_variable('_drm_@0@_ver'.format(d[0]))
1127 if d[1] and ver.version_compare('>' + _drm_ver)
1133 message('libdrm @0@ needed because @1@ has the highest requirement'.format(_drm_ver, _drm_blame))
1136 # Then get each libdrm module
1137 foreach d : _libdrm_checks
1140 'dep_libdrm_' + d[0],
1141 dependency('libdrm_' + d[0], version : '>=' + _drm_ver)
1146 with_gallium_drisw_kms = false
1147 dep_libdrm = dependency(
1148 'libdrm', version : '>=' + _drm_ver,
1149 required : with_dri2 or with_dri3
1151 if dep_libdrm.found()
1152 pre_args += '-DHAVE_LIBDRM'
1153 if with_dri_platform == 'drm' and with_dri
1154 with_gallium_drisw_kms = true
1158 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
1159 llvm_optional_modules = []
1160 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
1161 llvm_modules += ['amdgpu', 'bitreader', 'ipo']
1162 if with_gallium_r600
1163 llvm_modules += 'asmparser'
1166 if with_gallium_opencl
1168 'all-targets', 'linker', 'coverage', 'instrumentation', 'ipo', 'irreader',
1169 'lto', 'option', 'objcarcopts', 'profiledata',
1171 llvm_optional_modules += ['coroutines', 'opencl']
1174 if with_amd_vk or with_gallium_radeonsi
1175 _llvm_version = '>= 6.0.0'
1176 elif with_gallium_swr
1177 _llvm_version = '>= 6.0.0'
1178 elif with_gallium_opencl or with_gallium_r600
1179 _llvm_version = '>= 3.9.0'
1181 _llvm_version = '>= 3.3.0'
1184 _llvm = get_option('llvm')
1186 dep_llvm = dependency(
1188 version : _llvm_version,
1189 modules : llvm_modules,
1190 optional_modules : llvm_optional_modules,
1191 required : with_amd_vk or with_gallium_radeonsi or with_gallium_swr or with_gallium_opencl,
1193 with_llvm = dep_llvm.found()
1194 elif _llvm == 'true'
1195 dep_llvm = dependency(
1197 version : _llvm_version,
1198 modules : llvm_modules,
1199 optional_modules : llvm_optional_modules,
1207 _llvm_version = dep_llvm.version().split('.')
1209 # 3 digits versions in LLVM only started from 3.4.1 on
1210 if dep_llvm.version().version_compare('>= 3.4.1')
1211 _llvm_patch = _llvm_version[2]
1217 '-DHAVE_LLVM=0x0@0@0@1@'.format(_llvm_version[0], _llvm_version[1]),
1218 '-DMESA_LLVM_VERSION_PATCH=@0@'.format(_llvm_patch),
1221 # LLVM can be built without rtti, turning off rtti changes the ABI of C++
1222 # programs, so we need to build all C++ code in mesa without rtti as well to
1223 # ensure that linking works.
1224 if dep_llvm.get_configtool_variable('has-rtti') == 'NO'
1225 cpp_args += '-fno-rtti'
1227 elif with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1228 error('The following drivers require LLVM: Radv, RadeonSI, SWR. One of these is enabled, but LLVM is disabled.')
1231 dep_glvnd = null_dep
1233 dep_glvnd = dependency('libglvnd', version : '>= 0.2.0')
1234 pre_args += '-DUSE_LIBGLVND=1'
1237 if with_valgrind != 'false'
1238 dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
1239 if dep_valgrind.found()
1240 pre_args += '-DHAVE_VALGRIND'
1243 dep_valgrind = null_dep
1246 # pthread stubs. Lets not and say we didn't
1248 prog_bison = find_program('bison', required : with_any_opengl)
1249 prog_flex = find_program('flex', required : with_any_opengl)
1251 dep_selinux = null_dep
1252 if get_option('selinux')
1253 dep_selinux = dependency('libselinux')
1254 pre_args += '-DMESA_SELINUX'
1257 if with_libunwind != 'false'
1258 dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
1259 if dep_unwind.found()
1260 pre_args += '-DHAVE_LIBUNWIND'
1263 dep_unwind = null_dep
1266 if with_osmesa != 'none'
1267 if with_osmesa == 'classic' and not with_dri_swrast
1268 error('OSMesa classic requires dri (classic) swrast.')
1270 if with_osmesa == 'gallium' and not with_gallium_softpipe
1271 error('OSMesa gallium requires gallium softpipe or llvmpipe.')
1273 osmesa_lib_name = 'OSMesa'
1274 osmesa_bits = get_option('osmesa-bits')
1275 if osmesa_bits != '8'
1276 if with_dri or with_glx != 'disabled'
1277 error('OSMesa bits must be 8 if building glx or dir based drivers')
1279 osmesa_lib_name = osmesa_lib_name + osmesa_bits
1281 '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
1286 # TODO: symbol mangling
1288 if with_platform_wayland
1289 dep_wl_scanner = dependency('wayland-scanner', native: true)
1290 prog_wl_scanner = find_program(dep_wl_scanner.get_pkgconfig_variable('wayland_scanner'))
1291 if dep_wl_scanner.version().version_compare('>= 1.15')
1292 wl_scanner_arg = 'private-code'
1294 wl_scanner_arg = 'code'
1296 dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
1297 dep_wayland_client = dependency('wayland-client', version : '>=1.11')
1298 dep_wayland_server = dependency('wayland-server', version : '>=1.11')
1300 dep_wayland_egl = dependency('wayland-egl-backend', version : '>= 3')
1301 dep_wayland_egl_headers = declare_dependency(
1302 compile_args : run_command(prog_pkgconfig, ['wayland-egl-backend', '--cflags']).stdout().split())
1304 wayland_dmabuf_xml = join_paths(
1305 dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
1306 'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
1308 pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
1310 prog_wl_scanner = []
1312 dep_wl_protocols = null_dep
1313 dep_wayland_client = null_dep
1314 dep_wayland_server = null_dep
1315 wayland_dmabuf_xml = ''
1320 dep_xdamage = null_dep
1321 dep_xfixes = null_dep
1322 dep_x11_xcb = null_dep
1324 dep_xcb_glx = null_dep
1325 dep_xcb_dri2 = null_dep
1326 dep_xcb_dri3 = null_dep
1327 dep_dri2proto = null_dep
1328 dep_glproto = null_dep
1329 dep_xxf86vm = null_dep
1330 dep_xcb_dri3 = null_dep
1331 dep_xcb_present = null_dep
1332 dep_xcb_sync = null_dep
1333 dep_xcb_xfixes = null_dep
1334 dep_xshmfence = null_dep
1335 dep_xcb_xrandr = null_dep
1336 dep_xlib_xrandr = null_dep
1337 if with_platform_x11
1338 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1339 dep_x11 = dependency('x11')
1340 dep_xext = dependency('xext')
1341 dep_xcb = dependency('xcb')
1342 elif with_glx == 'dri'
1343 dep_x11 = dependency('x11')
1344 dep_xext = dependency('xext')
1345 dep_xdamage = dependency('xdamage', version : '>= 1.1')
1346 dep_xfixes = dependency('xfixes')
1347 dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
1348 dep_xxf86vm = dependency('xxf86vm', required : false)
1350 if (with_any_vk or with_glx == 'dri' or
1351 (with_gallium_vdpau or with_gallium_xvmc or with_gallium_va or
1352 with_gallium_omx != 'disabled'))
1353 dep_xcb = dependency('xcb')
1354 dep_x11_xcb = dependency('x11-xcb')
1356 if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
1357 dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
1360 pre_args += '-DHAVE_DRI3'
1361 dep_xcb_dri3 = dependency('xcb-dri3')
1362 dep_xcb_present = dependency('xcb-present')
1363 # until xcb-dri3 has been around long enough to make a hard-dependency:
1364 if (dep_xcb_dri3.version().version_compare('>= 1.13') and
1365 dep_xcb_present.version().version_compare('>= 1.13'))
1366 pre_args += '-DHAVE_DRI3_MODIFIERS'
1368 dep_xcb_sync = dependency('xcb-sync')
1369 dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
1372 if with_glx == 'dri'
1373 if with_dri_platform == 'drm'
1374 dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
1376 dep_glproto = dependency('glproto', version : '>= 1.4.14')
1379 with_gallium_vdpau or with_gallium_xvmc or with_gallium_xa or
1380 with_gallium_omx != 'disabled'))
1381 dep_xcb_xfixes = dependency('xcb-xfixes')
1384 dep_xcb_xrandr = dependency('xcb-randr', version : '>= 1.12')
1385 dep_xlib_xrandr = dependency('xrandr', version : '>= 1.3')
1389 if get_option('gallium-extra-hud')
1390 pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
1393 _sensors = get_option('lmsensors')
1394 if _sensors != 'false'
1395 dep_lmsensors = cc.find_library('libsensors', required : _sensors == 'true')
1396 if dep_lmsensors.found()
1397 pre_args += '-DHAVE_LIBSENSORS=1'
1400 dep_lmsensors = null_dep
1403 foreach a : pre_args
1404 add_project_arguments(a, language : ['c', 'cpp'])
1407 add_project_arguments(a, language : ['c'])
1409 foreach a : cpp_args
1410 add_project_arguments(a, language : ['cpp'])
1413 inc_include = include_directories('include')
1417 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1418 gl_priv_reqs += ['x11', 'xext', 'xcb']
1419 elif with_glx == 'dri'
1421 'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
1423 if with_dri_platform == 'drm'
1424 gl_priv_reqs += 'xcb-dri2 >= 1.8'
1427 if dep_libdrm.found()
1428 gl_priv_reqs += 'libdrm >= 2.4.75'
1430 if dep_xxf86vm.found()
1431 gl_priv_reqs += 'xxf86vm'
1435 if dep_thread.found()
1436 gl_priv_libs += ['-lpthread', '-pthread']
1439 gl_priv_libs += '-lm'
1442 gl_priv_libs += '-ldl'
1445 pkg = import('pkgconfig')
1447 env_test = environment()
1448 env_test.set('NM', find_program('nm').path())