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weston/meson.build
Loïc Molinari 0729ffbdb8 build: Add generic compiler builtins support 
Wrap compiler builtins into shared functions with proper generic
implementations. __builtin_clz() isn't wrapped for now because its use
by screenshooter is pretty specific. It will be properly wrapped in
the next commit which needs a round up to the next power of 2
function.

Signed-off-by: Loïc Molinari <loic.molinari@collabora.com>
2024-06-27 20:40:37 +00:00

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6.3 KiB
Meson
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project('weston',
'c',
version: '13.0.90',
default_options: [
'warning_level=3',
'c_std=gnu99',
'b_lundef=true',
],
meson_version: '>= 0.63.0',
license: 'MIT/Expat',
)
libweston_major = 14
# 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 = dir_prefix / get_option('bindir')
dir_data = dir_prefix / get_option('datadir')
dir_include_libweston = 'libweston-@0@'.format(libweston_major)
dir_include_libweston_install = dir_include_libweston / 'libweston'
dir_lib = dir_prefix /get_option('libdir')
dir_libexec = dir_prefix / get_option('libexecdir')
dir_module_weston = dir_lib / 'weston'
dir_module_libweston = dir_lib / 'libweston-@0@'.format(libweston_major)
dir_data_pc = dir_data / 'pkgconfig'
dir_lib_pc = dir_lib / 'pkgconfig'
dir_man = dir_prefix / get_option('mandir')
dir_protocol_libweston = 'libweston-@0@'.format(libweston_major) / 'protocols'
dir_sysconf = dir_prefix / get_option('sysconfdir')
dir_gitlab_ci = meson.project_source_root() / '.gitlab-ci'
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 = cc.get_supported_arguments(
'-Wmissing-prototypes',
'-Wno-unused-parameter',
'-Wno-shift-negative-value', # required due to Pixman
'-Wno-missing-field-initializers',
'-Wno-pedantic',
'-Wundef',
'-fvisibility=hidden',
)
add_project_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', 'unreachable',
]
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
optional_builtins = {
'builtin_clz': 'return __builtin_clz(1);',
'builtin_bswap32': 'return __builtin_bswap32(0);',
'builtin_popcount': 'return __builtin_popcount(0);',
}
foreach name, check : optional_builtins
if cc.links('int main(void) { @0@ }'.format(check), name: name)
config_h.set('HAVE_' + name.to_upper(), 1)
endif
endforeach
env_modmap = ''
config_h.set('_GNU_SOURCE', '1')
config_h.set('_ALL_SOURCE', '1')
config_h.set('EGL_NO_X11', '1')
config_h.set('MESA_EGL_NO_X11_HEADERS', '1')
config_h.set('EGL_NO_PLATFORM_SPECIFIC_TYPES', '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', 'x11', 'wayland', 'drm' ]
if get_option('backend-' + b)
backend_default = b
endif
endforeach
endif
config_h.set_quoted('WESTON_NATIVE_BACKEND', backend_default)
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: '>= 1.22.0')
dep_wayland_client = dependency('wayland-client', version: '>= 1.22.0')
dep_pixman = dependency('pixman-1', version: '>= 0.25.2')
dep_libinput = dependency('libinput', version: '>= 1.2.0')
dep_libevdev = dependency('libevdev')
dep_libm = cc.find_library('m')
dep_libdl = cc.find_library('dl')
dep_libdrm = dependency('libdrm', version: '>= 2.4.108')
dep_libdrm_headers = dep_libdrm.partial_dependency(compile_args: true)
dep_threads = dependency('threads')
dep_lcms2 = dependency('lcms2', version: '>= 2.9', required: false)
if dep_lcms2.found()
config_h.set('HAVE_LCMS', '1')
endif
prog_python = import('python').find_installation('python3')
files_xxd_py = files('tools/xxd.py')
cmd_xxd = [ prog_python, files_xxd_py, '@INPUT@', '@OUTPUT@' ]
deps_for_libweston_users = [
dep_wayland_server,
dep_pixman,
dep_xkbcommon,
]
if get_option('renderer-gl')
dep_egl = dependency('egl', required: false)
if not dep_egl.found()
error('libweston + gl-renderer requires egl which was not found. Or, you can use \'-Drenderer-gl=false\'.')
endif
else
dep_egl = dependency('', required: false)
endif
subdir('include')
subdir('protocol')
subdir('shared')
subdir('libweston')
subdir('xwayland')
subdir('frontend')
subdir('desktop-shell')
subdir('fullscreen-shell')
subdir('ivi-shell')
subdir('kiosk-shell')
subdir('remoting')
subdir('pipewire')
subdir('clients')
subdir('wcap')
subdir('tests')
subdir('data')
subdir('man')
subdir('pam')
if meson.version().version_compare('>= 0.58.0')
devenv = environment()
devenv.set('WESTON_MODULE_MAP', env_modmap)
devenv.set('WESTON_DATA_DIR', meson.current_source_dir() / 'data')
meson.add_devenv(devenv)
endif
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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