1 # Copyright © 2017 Intel Corporation
3 # Permission is hereby granted, free of charge, to any person obtaining a copy
4 # of this software and associated documentation files (the "Software"), to deal
5 # in the Software without restriction, including without limitation the rights
6 # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
7 # copies of the Software, and to permit persons to whom the Software is
8 # furnished to do so, subject to the following conditions:
10 # The above copyright notice and this permission notice shall be included in
11 # all copies or substantial portions of the Software.
13 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
16 # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
17 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
18 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
24 version : run_command(
25 [find_program('python', 'python2', 'python3'), 'bin/meson_get_version.py']
28 meson_version : '>= 0.42',
29 default_options : ['buildtype=debugoptimized', 'c_std=c99', 'cpp_std=c++11']
32 # Arguments for the preprocessor, put these in a separate array from the C and
33 # C++ (cpp in meson terminology) arguments since they need to be added to the
34 # default arguments for both C and C++.
36 '-D__STDC_CONSTANT_MACROS',
37 '-D__STDC_FORMAT_MACROS',
38 '-D__STDC_LIMIT_MACROS',
39 '-DVERSION="@0@"'.format(meson.project_version()),
40 '-DPACKAGE_VERSION=VERSION',
41 '-DPACKAGE_BUGREPORT="https://bugs.freedesktop.org/enter_bug.cgi?product=Mesa"',
44 with_vulkan_icd_dir = get_option('vulkan-icd-dir')
45 with_tests = get_option('build-tests')
46 with_valgrind = get_option('valgrind')
47 with_libunwind = get_option('libunwind')
48 with_asm = get_option('asm')
49 with_osmesa = get_option('osmesa')
50 if get_option('texture-float')
51 pre_args += '-DTEXTURE_FLOAT_ENABLED'
52 message('WARNING: Floating-point texture enabled. Please consult docs/patents.txt and your lawyer before building mesa.')
55 dri_drivers_path = get_option('dri-drivers-path')
56 if dri_drivers_path == ''
57 dri_drivers_path = join_paths(get_option('libdir'), 'dri')
60 with_gles1 = get_option('gles1')
61 with_gles2 = get_option('gles2')
62 with_opengl = get_option('opengl')
63 with_any_opengl = with_opengl or with_gles1 or with_gles2
64 # Only build shared_glapi if at least one OpenGL API is enabled
65 with_shared_glapi = get_option('shared-glapi') and with_any_opengl
68 # shared-glapi is required if at least two OpenGL APIs are being built
69 if not with_shared_glapi
70 if ((with_gles1 and with_gles2) or (with_gles1 and with_opengl)
71 or (with_gles2 and with_opengl))
72 error('shared-glapi required for building two or more of OpenGL, OpenGL ES 1.x, OpenGL ES 2.x')
76 # We require OpenGL for OpenGL ES
77 if (with_gles1 or with_gles2) and not with_opengl
78 error('building OpenGL ES without OpenGL is not supported.')
86 with_dri_nouveau = false
87 with_dri_swrast = false
88 _drivers = get_option('dri-drivers')
91 if not ['darwin', 'windows'].contains(host_machine.system())
92 if ['x86', 'x86_64'].contains(host_machine.cpu_family())
93 _drivers = 'i915,i965,r100,r200,nouveau'
95 error('Unknown architecture. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.')
98 error('Unknown OS. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.')
102 _split = _drivers.split(',')
103 with_dri_i915 = _split.contains('i915')
104 with_dri_i965 = _split.contains('i965')
105 with_dri_r100 = _split.contains('r100')
106 with_dri_r200 = _split.contains('r200')
107 with_dri_nouveau = _split.contains('nouveau')
108 with_dri_swrast = _split.contains('swrast')
113 with_gallium_pl111 = false
114 with_gallium_radeonsi = false
115 with_gallium_r300 = false
116 with_gallium_r600 = false
117 with_gallium_nouveau = false
118 with_gallium_freedreno = false
119 with_gallium_softpipe = false
120 with_gallium_vc4 = false
121 with_gallium_vc5 = false
122 with_gallium_etnaviv = false
123 with_gallium_imx = false
124 with_gallium_i915 = false
125 with_gallium_svga = false
126 with_gallium_virgl = false
127 _drivers = get_option('gallium-drivers')
128 if _drivers == 'auto'
129 if not ['darwin', 'windows'].contains(host_machine.system())
131 if ['x86', 'x86_64'].contains(host_machine.cpu_family())
132 _drivers = 'r300,r600,radeonsi,nouveau,virgl,svga,swrast'
133 elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
134 _drivers = 'pl111,vc4,vc5,freedreno,etnaviv,imx,virgl,svga,swrast'
136 error('Unknown architecture. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.')
139 error('Unknown OS. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.')
143 _split = _drivers.split(',')
144 with_gallium_pl111 = _split.contains('pl111')
145 with_gallium_radeonsi = _split.contains('radeonsi')
146 with_gallium_r300 = _split.contains('r300')
147 with_gallium_r600 = _split.contains('r600')
148 with_gallium_nouveau = _split.contains('nouveau')
149 with_gallium_freedreno = _split.contains('freedreno')
150 with_gallium_softpipe = _split.contains('swrast')
151 with_gallium_vc4 = _split.contains('vc4')
152 with_gallium_vc5 = _split.contains('vc5')
153 with_gallium_etnaviv = _split.contains('etnaviv')
154 with_gallium_imx = _split.contains('imx')
155 with_gallium_i915 = _split.contains('i915')
156 with_gallium_svga = _split.contains('svga')
157 with_gallium_virgl = _split.contains('virgl')
161 with_intel_vk = false
164 _vulkan_drivers = get_option('vulkan-drivers')
165 if _vulkan_drivers == 'auto'
166 if not ['darwin', 'windows'].contains(host_machine.system())
167 if host_machine.cpu_family().startswith('x86')
168 _vulkan_drivers = 'amd,intel'
170 error('Unknown architecture. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.')
173 # No vulkan driver supports windows or macOS currently
177 if _vulkan_drivers != ''
178 _split = _vulkan_drivers.split(',')
179 with_intel_vk = _split.contains('intel')
180 with_amd_vk = _split.contains('amd')
181 with_any_vk = with_amd_vk or with_intel_vk
184 if with_dri_swrast and with_gallium_softpipe
185 error('Only one swrast provider can be built')
187 if with_dri_i915 and with_gallium_i915
188 error('Only one i915 provider can be built')
190 if with_gallium_imx and not with_gallium_etnaviv
191 error('IMX driver requires etnaviv driver')
194 dep_libdrm_intel = []
195 if with_dri_i915 or with_gallium_i915
196 dep_libdrm_intel = dependency('libdrm_intel', version : '>= 2.4.75')
199 if host_machine.system() == 'darwin'
200 with_dri_platform = 'apple'
201 elif ['windows', 'cygwin'].contains(host_machine.system())
202 with_dri_platform = 'windows'
203 elif host_machine.system() == 'linux'
204 # FIXME: This should include BSD and possibly other systems
205 with_dri_platform = 'drm'
207 # FIXME: haiku doesn't use dri, and xlib doesn't use dri, probably should
208 # assert here that one of those cases has been met.
209 # FIXME: GNU (hurd) ends up here as well, but meson doesn't officially
210 # support Hurd at time of writing (2017/11)
211 with_dri_platform = 'none'
214 with_platform_android = false
215 with_platform_wayland = false
216 with_platform_x11 = false
217 with_platform_drm = false
218 with_platform_surfaceless = false
219 egl_native_platform = ''
220 _platforms = get_option('platforms')
221 if _platforms == 'auto'
222 if ['linux'].contains(host_machine.system())
223 _platforms = 'x11,wayland,drm,surfaceless'
225 error('Unknown OS, no platforms enabled. Patches gladly accepted to fix this.')
229 _split = _platforms.split(',')
230 with_platform_android = _split.contains('android')
231 with_platform_x11 = _split.contains('x11')
232 with_platform_wayland = _split.contains('wayland')
233 with_platform_drm = _split.contains('drm')
234 with_platform_surfaceless = _split.contains('surfaceless')
235 egl_native_platform = _split[0]
238 with_glx = get_option('glx')
239 if with_glx == 'auto'
243 # Even when building just gallium drivers the user probably wants dri
246 elif with_platform_x11 and with_any_opengl and not with_any_vk
247 # The automatic behavior should not be to turn on xlib based glx when
248 # building only vulkan drivers
251 with_glx = 'disabled'
255 if not (with_dri or with_gallium or with_glx == 'xlib' or with_glx == 'gallium-xlib')
259 with_any_opengl = false
260 with_shared_glapi = false
263 with_gbm = get_option('gbm')
264 if with_gbm == 'auto' and with_dri # TODO: or gallium
265 with_gbm = host_machine.system() == 'linux'
266 elif with_gbm == 'true'
267 if not ['linux', 'bsd'].contains(host_machine.system())
268 error('GBM only supports unix-like platforms')
275 _egl = get_option('egl')
277 with_egl = with_dri and with_shared_glapi and egl_native_platform != ''
280 error('EGL requires dri')
281 elif not with_shared_glapi
282 error('EGL requires shared-glapi')
283 elif egl_native_platform == ''
284 error('No platforms specified, consider -Dplatforms=drm,x11 at least')
291 if with_egl and not (with_platform_drm or with_platform_surfaceless)
292 if with_gallium_radeonsi
293 error('RadeonSI requires drm or surfaceless platform when using EGL')
295 if with_gallium_virgl
296 error('Virgl requires drm or surfaceless platform when using EGL')
300 pre_args += '-DGLX_USE_TLS'
301 if with_glx != 'disabled'
302 if not (with_platform_x11 and with_any_opengl)
303 if with_glx == 'auto'
304 with_glx = 'disabled'
306 error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
308 elif with_glx == 'gallium-xlib'
310 error('Gallium-xlib based GLX requires at least one gallium driver')
311 elif not with_gallium_softpipe
312 error('Gallium-xlib based GLX requires softpipe or llvmpipe.')
314 error('gallium-xlib conflicts with any dri driver')
316 elif with_glx == 'xlib'
318 error('xlib conflicts with any dri driver')
320 elif with_glx == 'dri' and not with_dri
321 error('dri based GLX requires at least one DRI driver')
325 with_glvnd = get_option('glvnd')
327 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
328 error('Cannot build glvnd support for GLX that is not DRI based.')
329 elif with_glx == 'disabled' and not with_egl
330 error('glvnd requires DRI based GLX and/or EGL')
334 # TODO: toggle for this
335 with_glx_direct = true
337 if with_vulkan_icd_dir == ''
338 with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
341 with_dri2 = (with_dri or with_any_vk) and with_dri_platform == 'drm'
342 with_dri3 = get_option('dri3')
343 if with_dri3 == 'auto'
344 if host_machine.system() == 'linux' and with_dri2
349 elif with_dri3 == 'true'
355 if with_any_vk and (with_platform_x11 and not with_dri3)
356 error('Vulkan drivers require dri3 for X11 support')
358 if with_dri or with_gallium
359 if with_glx == 'disabled' and not with_egl
360 error('building dri or gallium drivers require at least one window system')
365 _vdpau = get_option('gallium-vdpau')
367 if not ['linux', 'bsd'].contains(host_machine.system())
368 with_gallium_vdpau = false
369 elif not with_platform_x11
370 with_gallium_vdpau = false
371 elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
372 with_gallium_nouveau)
373 with_gallium_vdpau = false
375 dep_vdpau = dependency('vdpau', version : '>= 1.1', required : false)
376 with_gallium_vdpau = dep_vdpau.found()
378 elif _vdpau == 'true'
379 if not ['linux', 'bsd'].contains(host_machine.system())
380 error('VDPAU state tracker can only be build on unix-like OSes.')
381 elif not with_platform_x11
382 error('VDPAU state tracker requires X11 support.')
383 with_gallium_vdpau = false
384 elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
385 with_gallium_nouveau)
386 error('VDPAU state tracker requires at least one of the following gallium drivers: r300, r600, radeonsi, nouveau.')
388 dep_vdpau = dependency('vdpau', version : '>= 1.1')
389 with_gallium_vdpau = true
391 with_gallium_vdpau = false
393 if with_gallium_vdpau
394 dep_vdpau = declare_dependency(
395 compile_args : dep_vdpau.get_pkgconfig_variable('cflags').split()
399 if with_gallium_vdpau
400 pre_args += '-DHAVE_ST_VDPAU'
402 vdpau_drivers_path = get_option('vdpau-libs-path')
403 if vdpau_drivers_path == ''
404 vdpau_drivers_path = join_paths(get_option('libdir'), 'vdpau')
408 _xvmc = get_option('gallium-xvmc')
410 if not ['linux', 'bsd'].contains(host_machine.system())
411 with_gallium_xvmc = false
412 elif not with_platform_x11
413 with_gallium_xvmc = false
414 elif not (with_gallium_r600 or with_gallium_nouveau)
415 with_gallium_xvmc = false
417 dep_xvmc = dependency('xvmc', version : '>= 1.0.6', required : false)
418 with_gallium_xvmc = dep_xvmc.found()
421 if not ['linux', 'bsd'].contains(host_machine.system())
422 error('XVMC state tracker can only be build on unix-like OSes.')
423 elif not with_platform_x11
424 error('XVMC state tracker requires X11 support.')
425 with_gallium_xvmc = false
426 elif not (with_gallium_r600 or with_gallium_nouveau)
427 error('XVMC state tracker requires at least one of the following gallium drivers: r600, nouveau.')
429 dep_xvmc = dependency('xvmc', version : '>= 1.0.6')
430 with_gallium_xvmc = true
432 with_gallium_xvmc = false
435 dep_xvmc = declare_dependency(
436 compile_args : dep_xvmc.get_pkgconfig_variable('cflags').split()
440 xvmc_drivers_path = get_option('xvmc-libs-path')
441 if xvmc_drivers_path == ''
442 xvmc_drivers_path = get_option('libdir')
445 gl_pkgconfig_c_flags = []
447 if with_any_vk or (with_glx == 'dri' and with_dri_platform == 'drm')
448 pre_args += '-DHAVE_X11_PLATFORM'
450 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
451 pre_args += '-DUSE_XSHM'
453 pre_args += '-DGLX_INDIRECT_RENDERING'
455 pre_args += '-DGLX_DIRECT_RENDERING'
457 if with_dri_platform == 'drm'
458 pre_args += '-DGLX_USE_DRM'
459 elif with_dri_platform == 'windows'
460 pre_args += '-DGLX_USE_WINDOWSGL'
464 pre_args += '-DMESA_EGL_NO_X11_HEADERS'
465 gl_pkgconfig_c_flags += '-DMESA_EGL_NO_X11_HEADERS'
468 if with_egl and not with_gbm
469 error('EGL drm platform requires gbm')
471 pre_args += '-DHAVE_DRM_PLATFORM'
473 if with_platform_surfaceless
474 pre_args += '-DHAVE_SURFACELESS_PLATFORM'
476 if with_platform_android
478 dependency('cutils'),
479 dependency('hardware'),
482 pre_args += '-DHAVE_ANDROID_PLATFORM'
485 prog_python2 = find_program('python2')
486 has_mako = run_command(prog_python2, '-c', 'import mako')
487 if has_mako.returncode() != 0
488 error('Python (2.x) mako module required to build mesa.')
491 cc = meson.get_compiler('c')
492 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
493 error('When using GCC, version 4.4.6 or later is required.')
496 # Define DEBUG for debug builds only (debugoptimized is not included on this one)
497 if get_option('buildtype') == 'debug'
498 pre_args += '-DDEBUG'
501 if get_option('shader-cache')
502 pre_args += '-DENABLE_SHADER_CACHE'
504 error('Radv requires shader cache support')
507 # Check for GCC style builtins
508 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
509 'ffsll', 'popcount', 'popcountll', 'unreachable']
510 if cc.has_function(b)
511 pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
515 # check for GCC __attribute__
516 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
517 'warn_unused_result', 'weak',]
518 if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
519 name : '__attribute__((@0@))'.format(a))
520 pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
523 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
524 name : '__attribute__((format(...)))')
525 pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
527 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
528 name : '__attribute__((packed))')
529 pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
531 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
532 name : '__attribute__((returns_nonnull))')
533 pre_args += '-DHAVE_FUNC_ATTRIBUTE_NONNULL'
535 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
536 int foo_hid(void) __attribute__((visibility("hidden")));
537 int foo_int(void) __attribute__((visibility("internal")));
538 int foo_pro(void) __attribute__((visibility("protected")));''',
539 name : '__attribute__((visibility(...)))')
540 pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISBILITY'
542 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
543 name : '__attribute__((alias(...)))')
544 pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
546 if cc.compiles('int foo(void) __attribute__((__noreturn__));',
547 name : '__attribute__((__noreturn__))')
548 pre_args += '-DHAVE_FUNC_ATTRIBUTE_NORETURN'
551 # TODO: this is very incomplete
552 if ['linux', 'cygwin'].contains(host_machine.system())
553 pre_args += '-D_GNU_SOURCE'
556 # Check for generic C arguments
558 foreach a : ['-Wall', '-Werror=implicit-function-declaration',
559 '-Werror=missing-prototypes', '-fno-math-errno',
560 '-fno-trapping-math', '-Qunused-arguments']
561 if cc.has_argument(a)
566 if cc.has_argument('-fvisibility=hidden')
567 c_vis_args += '-fvisibility=hidden'
570 # Check for generic C++ arguments
571 cpp = meson.get_compiler('cpp')
573 foreach a : ['-Wall', '-fno-math-errno', '-fno-trapping-math',
574 '-Qunused-arguments']
575 if cpp.has_argument(a)
580 # For some reason, the test for -Wno-foo always succeeds with gcc, even if the
581 # option is not supported. Hence, check for -Wfoo instead.
582 if cpp.has_argument('-Wnon-virtual-dtor')
583 cpp_args += '-Wno-non-virtual-dtor'
586 no_override_init_args = []
587 foreach a : ['override-init', 'initializer-overrides']
588 if cc.has_argument('-W' + a)
589 no_override_init_args += '-Wno-' + a
594 if cpp.has_argument('-fvisibility=hidden')
595 cpp_vis_args += '-fvisibility=hidden'
598 # Check for C and C++ arguments for MSVC2013 compatibility. These are only used
599 # in parts of the mesa code base that need to compile with old versions of
600 # MSVC, mainly common code
601 c_msvc_compat_args = []
602 cpp_msvc_compat_args = []
603 foreach a : ['-Werror=pointer-arith', '-Werror=vla']
604 if cc.has_argument(a)
605 c_msvc_compat_args += a
607 if cpp.has_argument(a)
608 cpp_msvc_compat_args += a
612 if host_machine.cpu_family().startswith('x86')
613 pre_args += '-DHAVE_SSE41'
615 sse41_args = ['-msse4.1']
617 # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
618 # that's not guaranteed
619 if host_machine.cpu_family() == 'x86'
620 sse41_args += '-mstackrealign'
627 # Check for GCC style atomics
628 if cc.compiles('int main() { int n; return __atomic_load_n(&n, __ATOMIC_ACQUIRE); }',
629 name : 'GCC atomic builtins')
630 pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
632 if not cc.links('''#include <stdint.h>
635 return __sync_add_and_fetch(&v, (uint64_t)1);
637 name : 'GCC 64bit atomics')
638 pre_args += '-DMISSING_64_BIT_ATOMICS'
643 # TODO: shared/static? Is this even worth doing?
645 # Building x86 assembly code requires running x86 binaries. It is possible for
646 # x86_64 OSes to run x86 binaries, so don't disable asm in those cases
647 # TODO: it should be possible to use an exe_wrapper to run the binary during
649 if meson.is_cross_build()
650 if not (build_machine.cpu_family() == 'x86_64' and host_machine.cpu_family() == 'x86'
651 and build_machine.system() == host_machine.system())
652 message('Cross compiling to x86 from non-x86, disabling asm')
659 # TODO: SPARC and PPC
660 if host_machine.cpu_family() == 'x86'
661 if ['linux', 'bsd'].contains(host_machine.system()) # FIXME: hurd?
662 with_asm_arch = 'x86'
663 pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
666 elif host_machine.cpu_family() == 'x86_64'
667 if host_machine.system() == 'linux'
668 with_asm_arch = 'x86_64'
669 pre_args += ['-DUSE_X86_64_ASM']
671 elif host_machine.cpu_family() == 'arm'
672 if host_machine.system() == 'linux'
673 with_asm_arch = 'arm'
674 pre_args += ['-DUSE_ARM_ASM']
676 elif host_machine.cpu_family() == 'aarch64'
677 if host_machine.system() == 'linux'
678 with_asm_arch = 'aarch64'
679 pre_args += ['-DUSE_AARCH64_ASM']
684 # Check for standard headers and functions
685 if cc.has_header_symbol('sys/sysmacros.h', 'major')
686 pre_args += '-DMAJOR_IN_SYSMACROS'
687 elif cc.has_header_symbol('sys/mkdev.h', 'major')
688 pre_args += '-DMAJOR_IN_MKDEV'
691 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h']
693 pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
697 foreach f : ['strtof', 'mkostemp', 'posix_memalign', 'timespec_get', 'memfd_create']
698 if cc.has_function(f)
699 pre_args += '-DHAVE_@0@'.format(f.to_upper())
703 # strtod locale support
708 #ifdef HAVE_XLOCALE_H
712 locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
713 const char *s = "1.0";
715 double d = strtod_l(s, end, loc);
716 float f = strtof_l(s, end, loc);
720 extra_args : pre_args,
721 name : 'strtod has locale support')
722 pre_args += '-DHAVE_STRTOD_L'
725 # Check for some linker flags
726 ld_args_bsymbolic = []
727 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
728 ld_args_bsymbolic += '-Wl,-Bsymbolic'
730 ld_args_gc_sections = []
731 if cc.links('static char unused() { return 5; } int main() { return 0; }',
732 args : '-Wl,--gc-sections', name : 'gc-sections')
733 ld_args_gc_sections += '-Wl,--gc-sections'
735 with_ld_version_script = false
736 if cc.links('int main() { return 0; }',
737 args : '-Wl,--version-script=@0@'.format(
738 join_paths(meson.source_root(), 'build-support/conftest.map')),
739 name : 'version-script')
740 with_ld_version_script = true
742 with_ld_dynamic_list = false
743 if cc.links('int main() { return 0; }',
744 args : '-Wl,--dynamic-list=@0@'.format(
745 join_paths(meson.source_root(), 'build-support/conftest.dyn')),
746 name : 'dynamic-list')
747 with_ld_dynamic_list = true
750 # check for dl support
751 if cc.has_function('dlopen')
754 dep_dl = cc.find_library('dl')
756 if cc.has_function('dladdr', dependencies : dep_dl)
757 # This is really only required for megadrivers
758 pre_args += '-DHAVE_DLADDR'
761 if cc.has_function('dl_iterate_phdr')
762 pre_args += '-DHAVE_DL_ITERATE_PHDR'
764 error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
765 elif with_dri_i965 and get_option('shader-cache')
766 error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
769 # Determine whether or not the rt library is needed for time functions
770 if cc.has_function('clock_gettime')
773 dep_clock = cc.find_library('rt')
776 with_gallium_drisw_kms = false
777 dep_libdrm = dependency('libdrm', version : '>= 2.4.75',
778 required : with_dri2 or with_dri3)
779 if dep_libdrm.found()
780 pre_args += '-DHAVE_LIBDRM'
781 if with_dri_platform == 'drm' and with_dri
782 with_gallium_drisw_kms = true
786 # TODO: some of these may be conditional
787 dep_zlib = dependency('zlib', version : '>= 1.2.3')
788 dep_thread = dependency('threads')
789 if dep_thread.found() and host_machine.system() != 'windows'
790 pre_args += '-DHAVE_PTHREAD'
792 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600 # TODO: clover
793 dep_elf = dependency('libelf', required : false)
794 if not dep_elf.found()
795 dep_elf = cc.find_library('elf')
800 dep_expat = dependency('expat')
801 # this only exists on linux so either this is linux and it will be found, or
802 # its not linux and and wont
803 dep_m = cc.find_library('m', required : false)
805 dep_libdrm_amdgpu = []
806 dep_libdrm_radeon = []
807 dep_libdrm_nouveau = []
808 dep_libdrm_etnaviv = []
809 dep_libdrm_freedreno = []
810 if with_amd_vk or with_gallium_radeonsi
811 dep_libdrm_amdgpu = dependency('libdrm_amdgpu', version : '>= 2.4.88')
813 if (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
814 with_gallium_r300 or with_gallium_r600)
815 dep_libdrm_radeon = dependency('libdrm_radeon', version : '>= 2.4.71')
817 if with_gallium_nouveau or with_dri_nouveau
818 dep_libdrm_nouveau = dependency('libdrm_nouveau', version : '>= 2.4.66')
820 if with_gallium_etnaviv
821 dep_libdrm_etnaviv = dependency('libdrm_etnaviv', version : '>= 2.4.82')
823 if with_gallium_freedreno
824 dep_libdrm_freedreno = dependency('libdrm_freedreno', version : '>= 2.4.74')
827 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
828 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
829 llvm_modules += ['amdgpu', 'bitreader', 'ipo']
831 llvm_modules += 'asmparser'
835 _llvm = get_option('llvm')
837 dep_llvm = dependency(
838 'llvm', version : '>= 3.9.0', modules : llvm_modules,
839 required : with_amd_vk or with_gallium_radeonsi,
841 with_llvm = dep_llvm.found()
843 dep_llvm = dependency('llvm', version : '>= 3.9.0', modules : llvm_modules)
850 _llvm_version = dep_llvm.version().split('.')
851 # Development versions of LLVM have an 'svn' suffix, we don't want that for
852 # our version checks.
853 _llvm_patch = _llvm_version[2]
854 if _llvm_patch.endswith('svn')
855 _llvm_patch = _llvm_patch.split('s')[0]
858 '-DHAVE_LLVM=0x0@0@@1@@2@'.format(_llvm_version[0], _llvm_version[1], _llvm_patch),
859 '-DMESA_LLVM_VERSION_PATCH=@0@'.format(_llvm_patch),
861 elif with_amd_vk or with_gallium_radeonsi
862 error('The following drivers requires LLVM: Radv, RadeonSI. One of these is enabled, but LLVM is disabled.')
867 dep_glvnd = dependency('libglvnd', version : '>= 0.2.0')
868 pre_args += '-DUSE_LIBGLVND=1'
871 if with_valgrind != 'false'
872 dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
873 if dep_valgrind.found()
874 pre_args += '-DHAVE_VALGRIND'
880 # pthread stubs. Lets not and say we didn't
882 prog_bison = find_program('bison', required : with_any_opengl)
883 prog_flex = find_program('flex', required : with_any_opengl)
886 if get_option('selinux')
887 dep_selinux = dependency('libselinux')
888 pre_args += '-DMESA_SELINUX'
891 # TODO: llvm-prefix and llvm-shared-libs
893 if with_libunwind != 'false'
894 dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
895 if dep_unwind.found()
896 pre_args += '-DHAVE_LIBUNWIND'
904 if with_osmesa != 'none'
905 if with_osmesa == 'classic' and not with_dri_swrast
906 error('OSMesa classic requires dri (classic) swrast.')
908 if with_osmesa == 'gallium' and not with_gallium_softpipe
909 error('OSMesa gallium requires gallium softpipe or llvmpipe.')
911 osmesa_lib_name = 'OSMesa'
912 osmesa_bits = get_option('osmesa-bits')
913 if osmesa_bits != '8'
914 if with_dri or with_glx != 'disabled'
915 error('OSMesa bits must be 8 if building glx or dir based drivers')
917 osmesa_lib_name = osmesa_lib_name + osmesa_bits
919 '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
924 # TODO: symbol mangling
926 if with_platform_wayland
927 prog_wl_scanner = find_program('wayland-scanner')
928 dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
929 dep_wayland_client = dependency('wayland-client', version : '>=1.11')
930 dep_wayland_server = dependency('wayland-server', version : '>=1.11')
931 wayland_dmabuf_xml = join_paths(
932 dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
933 'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
935 pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
938 dep_wl_protocols = []
939 dep_wayland_client = []
940 dep_wayland_server = []
941 wayland_dmabuf_xml = ''
962 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
963 dep_x11 = dependency('x11')
964 dep_xext = dependency('xext')
965 dep_xcb = dependency('xcb')
966 elif with_glx == 'dri'
967 dep_x11 = dependency('x11')
968 dep_xext = dependency('xext')
969 dep_xdamage = dependency('xdamage', version : '>= 1.1')
970 dep_xfixes = dependency('xfixes')
971 dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
972 dep_xxf86vm = dependency('xxf86vm', required : false)
974 if with_any_vk or with_glx == 'dri' or
975 (with_gallium_vdpau or with_gallium_xvmc)
976 dep_xcb = dependency('xcb')
977 dep_x11_xcb = dependency('x11-xcb')
979 if with_any_vk or (with_glx == 'dri' and with_dri_platform == 'drm')
980 dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
983 pre_args += '-DHAVE_DRI3'
984 dep_xcb_dri3 = dependency('xcb-dri3')
985 dep_xcb_present = dependency('xcb-present')
986 dep_xcb_sync = dependency('xcb-sync')
987 dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
991 if with_dri_platform == 'drm'
992 dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
994 dep_glproto = dependency('glproto', version : '>= 1.4.14')
997 dep_xcb_xfixes = dependency('xcb-xfixes')
1001 if get_option('gallium-extra-hud')
1002 pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
1005 _sensors = get_option('lmsensors')
1006 if _sensors != 'false'
1007 dep_lmsensors = cc.find_library('libsensors', required : _sensors == 'true')
1008 if dep_lmsensors.found()
1009 pre_args += '-DHAVE_LIBSENSORS=1'
1020 # TODO: gallium tests
1022 # TODO: various libdirs
1026 # TODO: gallium driver dirs
1028 # FIXME: this is a workaround for #2326
1029 prog_touch = find_program('touch')
1030 dummy_cpp = custom_target(
1032 output : 'dummy.cpp',
1033 command : [prog_touch, '@OUTPUT@'],
1036 foreach a : pre_args
1037 add_project_arguments(a, language : ['c', 'cpp'])
1040 add_project_arguments(a, language : ['c'])
1042 foreach a : cpp_args
1043 add_project_arguments(a, language : ['cpp'])
1046 inc_include = include_directories('include')
1049 'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
1050 'xcb-glx >= 1.8.1', 'libdrm >= 2.4.75',
1052 if dep_xxf86vm != [] and dep_xxf86vm.found()
1053 gl_priv_reqs += 'xxf86vm'
1055 if with_dri_platform == 'drm'
1056 gl_priv_reqs += 'xcb-dri2 >= 1.8'
1060 if dep_thread.found()
1061 gl_priv_libs += ['-lpthread', '-pthread']
1064 gl_priv_libs += '-lm'
1066 if dep_dl != [] and dep_dl.found()
1067 gl_priv_libs += '-ldl'
1070 pkg = import('pkgconfig')