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weston/meson.build
Emmanuel Gil Peyrot deae98ef45 shared: Use memfd_create() when available 
This (so-far) Linux-only API lets users create file descriptors purely
in memory, without any backing file on the filesystem and the race
condition which could ensue when unlink()ing it.

It also allows seals to be placed on the file, ensuring to every other
process that we won’t be allowed to shrink the contents, potentially
causing a SIGBUS when they try reading it.

This patch is best viewed with the -w option of git log -p.

It is an almost exact copy of Wayland commit
6908c8c85a2e33e5654f64a55cd4f847bf385cae, see
https://gitlab.freedesktop.org/wayland/wayland/merge_requests/4

Signed-off-by: Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
2019-10-24 07:32:17 +00:00

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project('weston',
'c',
version: '7.0.90',
default_options: [
'warning_level=3',
'c_std=gnu99',
'b_lundef=false',
],
meson_version: '>= 0.47',
license: 'MIT/Expat',
)
libweston_major = 8
# libweston_revision is manufactured to follow the autotools build's
# library file naming, thanks to libtool
version_weston = meson.project_version()
version_weston_arr = version_weston.split('.')
if libweston_major > version_weston_arr[0].to_int()
if libweston_major > version_weston_arr[0].to_int() + 1
error('Bad versions in meson.build: libweston_major is too high')
endif
libweston_revision = 0
elif libweston_major == version_weston_arr[0].to_int()
libweston_revision = version_weston_arr[2].to_int()
else
error('Bad versions in meson.build: libweston_major is too low')
endif
dir_prefix = get_option('prefix')
dir_bin = join_paths(dir_prefix, get_option('bindir'))
dir_data = join_paths(dir_prefix, get_option('datadir'))
dir_include_libweston = 'libweston-@0@'.format(libweston_major)
dir_include_libweston_install = join_paths(dir_include_libweston, 'libweston')
dir_lib = join_paths(dir_prefix, get_option('libdir'))
dir_libexec = join_paths(dir_prefix, get_option('libexecdir'))
dir_module_weston = join_paths(dir_lib, 'weston')
dir_module_libweston = join_paths(dir_lib, 'libweston-@0@'.format(libweston_major))
dir_data_pc = join_paths(dir_data, 'pkgconfig')
dir_lib_pc = join_paths(dir_lib, 'pkgconfig')
dir_man = join_paths(dir_prefix, get_option('mandir'))
dir_protocol_libweston = join_paths('libweston-@0@'.format(libweston_major), 'protocols')
public_inc = include_directories('include')
common_inc = [ include_directories('.'), public_inc ]
pkgconfig = import('pkgconfig')
git_version_h = vcs_tag(
input: 'libweston/git-version.h.meson',
output: 'git-version.h',
fallback: version_weston
)
config_h = configuration_data()
cc = meson.get_compiler('c')
global_args = []
global_args_maybe = [
'-Wno-unused-parameter',
'-Wno-shift-negative-value', # required due to Pixman
'-Wno-missing-field-initializers',
'-Wno-pedantic',
'-fvisibility=hidden',
]
foreach a : global_args_maybe
if cc.has_argument(a)
global_args += a
endif
endforeach
add_global_arguments(global_args, language: 'c')
if cc.has_header_symbol('sys/sysmacros.h', 'major')
config_h.set('MAJOR_IN_SYSMACROS', 1)
elif cc.has_header_symbol('sys/mkdev.h', 'major')
config_h.set('MAJOR_IN_MKDEV', 1)
endif
optional_libc_funcs = [
'mkostemp', 'strchrnul', 'initgroups', 'posix_fallocate', 'memfd_create'
]
foreach func : optional_libc_funcs
if cc.has_function(func)
config_h.set('HAVE_' + func.to_upper(), 1)
endif
endforeach
optional_system_headers = [
'linux/sync_file.h'
]
foreach hdr : optional_system_headers
if cc.has_header(hdr)
config_h.set('HAVE_' + hdr.underscorify().to_upper(), 1)
endif
endforeach
env_modmap = ''
config_h.set('_GNU_SOURCE', '1')
config_h.set('_ALL_SOURCE', '1')
config_h.set_quoted('PACKAGE_STRING', 'weston @0@'.format(version_weston))
config_h.set_quoted('PACKAGE_VERSION', version_weston)
config_h.set_quoted('VERSION', version_weston)
config_h.set_quoted('PACKAGE_URL', 'https://wayland.freedesktop.org')
config_h.set_quoted('PACKAGE_BUGREPORT', 'https://gitlab.freedesktop.org/wayland/weston/issues/')
config_h.set_quoted('BINDIR', dir_bin)
config_h.set_quoted('DATADIR', dir_data)
config_h.set_quoted('LIBEXECDIR', dir_libexec)
config_h.set_quoted('MODULEDIR', dir_module_weston)
config_h.set_quoted('LIBWESTON_MODULEDIR', dir_module_libweston)
backend_default = get_option('backend-default')
if backend_default == 'auto'
foreach b : [ 'headless', 'fbdev', 'x11', 'wayland', 'drm' ]
if get_option('backend-' + b)
backend_default = b
endif
endforeach
endif
opt_backend_native = backend_default + '-backend.so'
config_h.set_quoted('WESTON_NATIVE_BACKEND', opt_backend_native)
message('The default backend is ' + backend_default)
if not get_option('backend-' + backend_default)
error('Backend @0@ was chosen as native but is not being built.'.format(backend_default))
endif
dep_xkbcommon = dependency('xkbcommon', version: '>= 0.3.0')
if dep_xkbcommon.version().version_compare('>= 0.5.0')
config_h.set('HAVE_XKBCOMMON_COMPOSE', '1')
endif
dep_wayland_server = dependency('wayland-server', version: '>= 1.12.0')
dep_wayland_client = dependency('wayland-client', version: '>= 1.12.0')
dep_pixman = dependency('pixman-1', version: '>= 0.25.2')
dep_libinput = dependency('libinput', version: '>= 0.8.0')
dep_libevdev = dependency('libevdev')
dep_libm = cc.find_library('m')
dep_libdl = cc.find_library('dl')
dep_libdrm = dependency('libdrm', version: '>= 2.4.68')
dep_libdrm_headers = dep_libdrm.partial_dependency(compile_args: true)
dep_threads = dependency('threads')
subdir('include')
subdir('protocol')
subdir('shared')
subdir('libweston')
subdir('libweston-desktop')
subdir('xwayland')
subdir('compositor')
subdir('desktop-shell')
subdir('fullscreen-shell')
subdir('ivi-shell')
subdir('remoting')
subdir('pipewire')
subdir('clients')
subdir('wcap')
subdir('tests')
subdir('data')
subdir('man')
configure_file(output: 'config.h', configuration: config_h)
if get_option('doc')
subdir('doc/sphinx')
else
message('Documentation will not be built. Use -Ddoc to build it.')
endif
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