907b75de1a
We previously used execlp to execute seatd, which had the effect of searching PATH for the executable. This allowed the caller to control what executable was run, which is bad if SUID has been set. Instead, expose the absolute install path for seatd from meason as a define, and use that in a call to execv.
277 lines
6.7 KiB
Meson
277 lines
6.7 KiB
Meson
project(
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'seatd',
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'c',
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version: '0.6.1',
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license: 'MIT',
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meson_version: '>=0.56.0',
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default_options: [
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'c_std=c11',
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'warning_level=3',
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'werror=true',
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],
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)
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# Bump whenever ABI-breaking changes occur.
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libseat_soversion = 1
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defaultpath = get_option('defaultpath')
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if defaultpath == ''
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defaultpath = '/var/run/seatd.sock'
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if target_machine.system() == 'linux'
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defaultpath = '/run/seatd.sock'
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endif
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endif
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seatdpath = '@0@/@1@/seatd'.format(get_option('prefix'), get_option('bindir'))
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cc = meson.get_compiler('c')
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add_project_arguments(cc.get_supported_arguments(
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[
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'-Wundef',
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'-Wunused',
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'-Wlogical-op',
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'-Wmissing-include-dirs',
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'-Wold-style-definition', # nop
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'-Wpointer-arith',
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'-Wstrict-prototypes',
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'-Wimplicit-fallthrough',
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'-Wmissing-prototypes',
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'-Wno-unknown-warning-option',
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'-Wno-unused-command-line-argument',
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'-Wvla',
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'-Wl,--exclude-libs=ALL',
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'-D_XOPEN_SOURCE=700',
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'-D__BSD_VISIBLE',
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'-DSEATD_VERSION="@0@"'.format(meson.project_version()),
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'-DSEATD_DEFAULTPATH="@0@"'.format(defaultpath),
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'-DSEATD_INSTALLPATH="@0@"'.format(seatdpath),
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]),
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language: 'c',
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)
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if ['debugoptimized', 'release', 'minsize'].contains(get_option('buildtype'))
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add_project_arguments('-D_FORTIFY_SOURCE=2', language: 'c')
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endif
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if get_option('buildtype').startswith('debug')
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add_project_arguments('-DDEBUG', language : 'c')
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endif
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# Hacks
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source_root = meson.current_source_dir().split('/')
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build_root = meson.build_root().split('/')
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relative_dir_parts = []
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i = 0
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in_prefix = true
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foreach p : build_root
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if i >= source_root.length() or not in_prefix or p != source_root[i]
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in_prefix = false
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relative_dir_parts += '..'
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endif
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i += 1
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endforeach
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i = 0
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in_prefix = true
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foreach p : source_root
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if i >= build_root.length() or not in_prefix or build_root[i] != p
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in_prefix = false
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relative_dir_parts += p
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endif
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i += 1
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endforeach
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add_project_arguments(
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'-DREL_SRC_DIR="@0@"'.format(join_paths(relative_dir_parts) + '/'),
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language: 'c',
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)
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private_files = [
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'common/connection.c',
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'common/linked_list.c',
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'common/log.c',
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]
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private_deps = []
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server_files = [
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'common/log.c',
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'common/linked_list.c',
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'common/terminal.c',
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'common/connection.c',
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'common/evdev.c',
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'common/drm.c',
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'seatd/poller.c',
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'seatd/seat.c',
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'seatd/client.c',
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'seatd/server.c',
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]
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with_seatd = get_option('libseat-seatd') == 'enabled'
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with_builtin = get_option('libseat-builtin') == 'enabled'
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with_server = get_option('server') == 'enabled'
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if with_seatd or with_builtin
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private_files += 'libseat/backend/seatd.c'
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endif
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if with_seatd
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add_project_arguments('-DSEATD_ENABLED=1', language: 'c')
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endif
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logind = disabler()
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logind_provider = ''
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if get_option('libseat-logind') != 'disabled'
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if get_option('libseat-logind') == 'auto' and get_option('auto_features').disabled()
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# Disable logind
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elif get_option('libseat-logind') == 'auto'
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assert(get_option('auto_features').auto(), '-Dlibseat-logind must be set to systemd or elogind since auto_features != auto')
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foreach logind_provider : ['elogind', 'systemd']
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logind = dependency('lib@0@'.format(logind_provider), required: false)
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if logind.found()
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break
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endif
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endforeach
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else
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logind_provider = get_option('libseat-logind')
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logind = dependency('lib@0@'.format(logind_provider))
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endif
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if logind.found()
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add_project_arguments('-DLOGIND_ENABLED=1', language: 'c')
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add_project_arguments('-DHAVE_@0@=1'.format(logind_provider.to_upper()), language: 'c')
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private_files += [
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'libseat/backend/logind.c',
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'common/drm.c',
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]
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private_deps += logind
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endif
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endif
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# needed for cross-compilation
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realtime = meson.get_compiler('c').find_library('rt')
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private_deps += realtime
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if with_builtin
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add_project_arguments('-DBUILTIN_ENABLED=1', language: 'c')
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private_files += server_files
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endif
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private_lib = static_library(
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'seat-private',
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private_files,
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dependencies: private_deps,
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include_directories: [include_directories('.', 'include')],
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)
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symbols_file = 'libseat/libseat.syms'
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symbols_flag = '-Wl,--version-script,@0@/@1@'.format(meson.current_source_dir(), symbols_file)
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lib = library(
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'seat', # This results in the library being called 'libseat'
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[ 'libseat/libseat.c', 'libseat/backend/noop.c' ],
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soversion: libseat_soversion,
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link_with: private_lib,
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include_directories: [include_directories('.', 'include')],
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install: true,
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link_args: symbols_flag,
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link_depends: symbols_file,
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)
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install_headers('include/libseat.h')
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libseat_vars = {
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'have_seatd': with_seatd.to_string(),
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'have_logind': logind.found().to_string(),
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'have_builtin': with_builtin.to_string(),
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}
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pkgconfig = import('pkgconfig')
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pkgconfig.generate(lib,
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version: meson.project_version(),
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filebase: 'libseat',
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name: 'libseat',
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description: 'Seat management library',
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variables: libseat_vars,
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)
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libseat = declare_dependency(
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link_with: lib,
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dependencies: private_deps,
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include_directories: include_directories('include', is_system: true),
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variables: libseat_vars,
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)
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if with_server
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executable(
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'seatd',
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[ server_files, 'seatd/seatd.c' ],
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include_directories: [include_directories('.', 'include')],
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install: true,
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dependencies: [realtime],
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)
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executable(
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'seatd-launch',
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[ 'seatd-launch/seatd-launch.c' ],
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include_directories: [include_directories('.', 'include')],
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install: true,
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dependencies: [realtime],
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)
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endif
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if get_option('examples') == 'enabled'
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executable(
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'simpletest',
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['examples/simpletest/main.c'],
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link_with: [lib],
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include_directories: [include_directories('.', 'include')],
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install: false,
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)
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endif
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tests = {
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'linked_list': ['common/linked_list.c'],
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'connection': ['common/connection.c'],
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'poller': ['common/linked_list.c', 'seatd/poller.c'],
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}
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foreach name, value : tests
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test(name, executable(
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'@0@_test'.format(name),
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['tests/@0@.c'.format(name), value],
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include_directories: [include_directories('.', 'include')]))
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endforeach
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if with_server
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scdoc = dependency('scdoc', required: get_option('man-pages'), version: '>= 1.9.7', native: true)
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else
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scdoc = disabler()
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endif
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if scdoc.found()
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scdoc_prog = find_program(scdoc.get_variable(pkgconfig: 'scdoc'), native: true)
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mandir = get_option('mandir')
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foreach src : ['seatd.1.scd', 'seatd-launch.1.scd']
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topic = src.split('.')[0]
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section = src.split('.')[1]
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output = '@0@.@1@'.format(topic, section)
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custom_target(
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output,
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input: 'man/' + src,
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output: output,
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command: [
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'sh', '-c', '@0@ < @INPUT@ > @1@'.format(scdoc_prog.full_path(), output)
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],
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install: true,
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install_dir: '@0@/man@1@'.format(mandir, section)
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)
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endforeach
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endif
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summary({
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'libseat-seatd': with_seatd,
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'libseat-builtin': with_builtin,
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'libseat-systemd': logind.found() and logind_provider == 'systemd',
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'libseat-elogind': logind.found() and logind_provider == 'elogind',
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'server': with_server,
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}, bool_yn: true)
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