sync code with last improvements from OpenBSD

lib/libdrm/meson.build

@@ -0,0 +1,395 @@
+# Copyright © 2017-2018 Intel Corporation
+
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+project(
+  'libdrm',
+  ['c'],
+  version : '2.4.115',
+  license : 'MIT',
+  meson_version : '>= 0.53',
+  default_options : ['buildtype=debugoptimized', 'c_std=c11'],
+)
+
+if ['windows', 'darwin'].contains(host_machine.system())
+  error('unsupported OS: @0@'.format(host_machine.system()))
+endif
+
+pkg = import('pkgconfig')
+
+config = configuration_data()
+
+config.set10('UDEV', get_option('udev'))
+with_freedreno_kgsl = get_option('freedreno-kgsl')
+with_install_tests = get_option('install-test-programs')
+with_tests = get_option('tests')
+
+if ['freebsd', 'dragonfly', 'netbsd'].contains(host_machine.system())
+  dep_pthread_stubs = dependency('pthread-stubs', version : '>= 0.4')
+else
+  dep_pthread_stubs = []
+endif
+dep_threads = dependency('threads')
+
+cc = meson.get_compiler('c')
+
+android = cc.compiles('''int func() { return __ANDROID__; }''')
+
+symbols_check = find_program('symbols-check.py')
+prog_nm = find_program('nm')
+
+# Check for atomics
+intel_atomics = false
+lib_atomics = false
+
+python3 = import('python').find_installation()
+format_mod_static_table = custom_target(
+  'format_mod_static_table',
+  output : 'generated_static_table_fourcc.h',
+  input : 'include/drm/drm_fourcc.h',
+  command : [python3, files('gen_table_fourcc.py'), '@INPUT@', '@OUTPUT@'])
+
+dep_atomic_ops = dependency('atomic_ops', required : false)
+if cc.links('''
+    int atomic_add(int *i) { return __sync_add_and_fetch (i, 1); }
+    int atomic_cmpxchg(int *i, int j, int k) { return __sync_val_compare_and_swap (i, j, k); }
+    int main() { }
+    ''',
+    name : 'Intel Atomics')
+  intel_atomics = true
+  with_atomics = true
+  dep_atomic_ops = []
+elif dep_atomic_ops.found()
+  lib_atomics = true
+  with_atomics = true
+elif cc.has_function('atomic_cas_uint')
+  with_atomics = true
+else
+  with_atomics = false
+endif
+
+config.set10('HAVE_LIBDRM_ATOMIC_PRIMITIVES', intel_atomics)
+config.set10('HAVE_LIB_ATOMIC_OPS', lib_atomics)
+
+dep_pciaccess = dependency('pciaccess', version : '>= 0.10', required : get_option('intel'))
+
+with_intel = false
+_intel = get_option('intel')
+if not _intel.disabled()
+  if _intel.enabled() and not with_atomics
+    error('libdrm_intel requires atomics.')
+  else
+    with_intel = (_intel.enabled() or host_machine.cpu_family().startswith('x86')) and with_atomics and dep_pciaccess.found()
+  endif
+endif
+summary('Intel', with_intel)
+
+with_radeon = false
+_radeon = get_option('radeon')
+if not _radeon.disabled()
+  if _radeon.enabled() and not with_atomics
+    error('libdrm_radeon requires atomics.')
+  endif
+  with_radeon = with_atomics
+endif
+summary('Radeon', with_radeon)
+
+with_amdgpu = false
+_amdgpu = get_option('amdgpu')
+if not _amdgpu.disabled()
+  if _amdgpu.enabled() and not with_atomics
+    error('libdrm_amdgpu requires atomics.')
+  endif
+  with_amdgpu = with_atomics
+endif
+summary('AMDGPU', with_amdgpu)
+
+with_nouveau = false
+_nouveau = get_option('nouveau')
+if not _nouveau.disabled()
+  if _nouveau.enabled() and not with_atomics
+    error('libdrm_nouveau requires atomics.')
+  endif
+  with_nouveau = with_atomics
+endif
+summary('Nouveau', with_nouveau)
+
+with_vmwgfx = false
+_vmwgfx = get_option('vmwgfx')
+if not _vmwgfx.disabled()
+  with_vmwgfx = true
+endif
+summary('vmwgfx', with_vmwgfx)
+
+with_omap = false
+_omap = get_option('omap')
+if _omap.enabled()
+  if not with_atomics
+    error('libdrm_omap requires atomics.')
+  endif
+  with_omap = true
+endif
+summary('OMAP', with_omap)
+
+with_freedreno = false
+_freedreno = get_option('freedreno')
+if not _freedreno.disabled()
+  if _freedreno.enabled() and not with_atomics
+    error('libdrm_freedreno requires atomics.')
+  else
+    with_freedreno = (_freedreno.enabled() or ['arm', 'aarch64'].contains(host_machine.cpu_family())) and with_atomics
+  endif
+endif
+summary('Freedreno', with_freedreno)
+summary('Freedreon-kgsl', with_freedreno_kgsl)
+
+with_tegra = false
+_tegra = get_option('tegra')
+if _tegra.enabled()
+  if not with_atomics
+    error('libdrm_tegra requires atomics.')
+  endif
+  with_tegra = true
+endif
+summary('Tegra', with_tegra)
+
+with_etnaviv = false
+_etnaviv = get_option('etnaviv')
+if not _etnaviv.disabled()
+  if _etnaviv.enabled() and not with_atomics
+    error('libdrm_etnaviv requires atomics.')
+  endif
+  with_etnaviv = _etnaviv.enabled() or (
+    with_atomics and [
+      'loongarch64', 'mips', 'mips64',
+      'arm', 'aarch64', 'arc',
+    ].contains(host_machine.cpu_family())
+  )
+endif
+summary('Etnaviv', with_etnaviv)
+
+with_exynos = get_option('exynos').enabled()
+summary('EXYNOS', with_exynos)
+
+with_vc4 = false
+_vc4 = get_option('vc4')
+if not _vc4.disabled()
+  with_vc4 = _vc4.enabled() or ['arm', 'aarch64'].contains(host_machine.cpu_family())
+endif
+summary('VC4', with_vc4)
+
+# Among others FreeBSD does not have a separate dl library.
+if not cc.has_function('dlsym')
+  dep_dl = cc.find_library('dl', required : with_nouveau)
+else
+  dep_dl = []
+endif
+# clock_gettime might require -rt, or it might not. find out
+if not cc.has_function('clock_gettime', prefix : '#define _GNU_SOURCE\n#include <time.h>')
+  # XXX: untested
+  dep_rt = cc.find_library('rt')
+else
+  dep_rt = []
+endif
+dep_m = cc.find_library('m', required : false)
+
+# The header is not required on Linux, and is in fact deprecated in glibc 2.30+
+if ['linux'].contains(host_machine.system())
+  config.set10('HAVE_SYS_SYSCTL_H', false)
+else
+  # From Niclas Zeising:
+  # FreeBSD requires sys/types.h for sys/sysctl.h, so add it as part of
+  # the includes when checking for headers.
+  config.set10('HAVE_SYS_SYSCTL_H',
+    cc.compiles('#include <sys/types.h>\n#include <sys/sysctl.h>', name : 'sys/sysctl.h works'))
+endif
+
+foreach header : ['sys/select.h', 'alloca.h']
+  config.set10('HAVE_' + header.underscorify().to_upper(), cc.check_header(header))
+endforeach
+
+if (cc.has_header_symbol('sys/sysmacros.h', 'major') and
+  cc.has_header_symbol('sys/sysmacros.h', 'minor') and
+  cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
+  config.set10('MAJOR_IN_SYSMACROS', true)
+endif
+if (cc.has_header_symbol('sys/mkdev.h', 'major') and
+  cc.has_header_symbol('sys/mkdev.h', 'minor') and
+  cc.has_header_symbol('sys/mkdev.h', 'makedev'))
+  config.set10('MAJOR_IN_MKDEV', true)
+endif
+config.set10('HAVE_OPEN_MEMSTREAM', cc.has_function('open_memstream'))
+
+libdrm_c_args = cc.get_supported_arguments([
+  '-Wsign-compare', '-Werror=undef', '-Werror=implicit-function-declaration',
+  '-Wpointer-arith', '-Wwrite-strings', '-Wstrict-prototypes',
+  '-Wmissing-prototypes', '-Wmissing-declarations', '-Wnested-externs',
+  '-Wpacked', '-Wswitch-enum', '-Wmissing-format-attribute',
+  '-Wstrict-aliasing=2', '-Winit-self', '-Winline', '-Wshadow',
+  '-Wdeclaration-after-statement', '-Wold-style-definition',
+  '-Wno-unused-parameter', '-Wno-attributes', '-Wno-long-long',
+  '-Wno-missing-field-initializers'])
+
+dep_cunit = dependency('cunit', version : '>= 2.1', required : false)
+dep_cairo = dependency('cairo', required : get_option('cairo-tests'))
+with_cairo_tests = dep_cairo.found()
+
+valgrind_version = []
+if with_freedreno
+  valgrind_version = '>=3.10.0'
+endif
+dep_valgrind = dependency('valgrind', required : get_option('valgrind'), version : valgrind_version)
+with_valgrind = dep_valgrind.found()
+
+prog_rst2man = find_program('rst2man', 'rst2man.py', required: get_option('man-pages'))
+with_man_pages = prog_rst2man.found()
+
+config.set10('HAVE_VISIBILITY', cc.has_function_attribute('visibility:hidden'))
+
+foreach t : [
+             [with_exynos, 'EXYNOS'],
+             [with_freedreno_kgsl, 'FREEDRENO_KGSL'],
+             [with_intel, 'INTEL'],
+             [with_nouveau, 'NOUVEAU'],
+             [with_radeon, 'RADEON'],
+             [with_vc4, 'VC4'],
+             [with_vmwgfx, 'VMWGFX'],
+             [with_cairo_tests, 'CAIRO'],
+             [with_valgrind, 'VALGRIND'],
+            ]
+  config.set10('HAVE_@0@'.format(t[1]), t[0])
+endforeach
+if with_freedreno_kgsl and not with_freedreno
+  error('cannot enable freedreno-kgsl without freedreno support')
+endif
+config.set10('_GNU_SOURCE', true)
+config_file = configure_file(
+  configuration : config,
+  output : 'config.h',
+)
+add_project_arguments('-include', '@0@'.format(config_file), language : 'c')
+
+inc_root = include_directories('.')
+inc_drm = include_directories('include/drm')
+
+libdrm_files = [files(
+   'xf86drm.c', 'xf86drmHash.c', 'xf86drmRandom.c', 'xf86drmSL.c',
+   'xf86drmMode.c'
+  ),
+  config_file, format_mod_static_table
+]
+
+# Build an unversioned so on android
+if android
+  libdrm_kw = {}
+else
+  libdrm_kw = {'version' : '2.4.0'}
+endif
+
+libdrm = library(
+  'drm',
+  libdrm_files,
+  c_args : libdrm_c_args,
+  dependencies : [dep_valgrind, dep_rt, dep_m],
+  include_directories : inc_drm,
+  install : true,
+  kwargs : libdrm_kw,
+  gnu_symbol_visibility : 'hidden',
+)
+
+test(
+  'core-symbols-check',
+  symbols_check,
+  args : [
+    '--lib', libdrm,
+    '--symbols-file', files('core-symbols.txt'),
+    '--nm', prog_nm.path(),
+  ],
+)
+
+ext_libdrm = declare_dependency(
+  link_with : libdrm,
+  include_directories : [inc_root, inc_drm],
+)
+
+if meson.version().version_compare('>= 0.54.0')
+  meson.override_dependency('libdrm', ext_libdrm)
+endif
+
+install_headers('libsync.h', 'xf86drm.h', 'xf86drmMode.h')
+install_headers(
+  'include/drm/drm.h', 'include/drm/drm_fourcc.h', 'include/drm/drm_mode.h',
+  'include/drm/drm_sarea.h', 'include/drm/i915_drm.h',
+  'include/drm/mach64_drm.h', 'include/drm/mga_drm.h',
+  'include/drm/msm_drm.h', 'include/drm/nouveau_drm.h',
+  'include/drm/qxl_drm.h', 'include/drm/r128_drm.h',
+  'include/drm/radeon_drm.h', 'include/drm/amdgpu_drm.h',
+  'include/drm/savage_drm.h', 'include/drm/sis_drm.h',
+  'include/drm/tegra_drm.h', 'include/drm/vc4_drm.h',
+  'include/drm/via_drm.h', 'include/drm/virtgpu_drm.h',
+  subdir : 'libdrm',
+)
+if with_vmwgfx
+  install_headers('include/drm/vmwgfx_drm.h', subdir : 'libdrm')
+endif
+
+pkg.generate(
+  libdrm,
+  name : 'libdrm',
+  subdirs : ['.', 'libdrm'],
+  description : 'Userspace interface to kernel DRM services',
+)
+
+if with_intel
+  subdir('intel')
+endif
+if with_nouveau
+  subdir('nouveau')
+endif
+if with_radeon
+  subdir('radeon')
+endif
+if with_amdgpu
+  subdir('amdgpu')
+endif
+if with_omap
+  subdir('omap')
+endif
+if with_exynos
+  subdir('exynos')
+endif
+if with_freedreno
+  subdir('freedreno')
+endif
+if with_tegra
+  subdir('tegra')
+endif
+if with_vc4
+  subdir('vc4')
+endif
+if with_etnaviv
+  subdir('etnaviv')
+endif
+if with_man_pages
+  subdir('man')
+endif
+subdir('data')
+if with_tests
+  subdir('tests')
+endif