project( 'libxkbcommon', 'c', version: '0.10.0', default_options: [ 'c_std=c99', 'warning_level=2', 'b_lundef=true', ], meson_version : '>= 0.41.0', ) pkgconfig = import('pkgconfig') cc = meson.get_compiler('c') # Compiler flags. foreach cflag: [ '-fvisibility=hidden', '-fno-strict-aliasing', '-fsanitize-undefined-trap-on-error', '-Wextra', '-Wno-unused-parameter', '-Wno-missing-field-initializers', '-Wpointer-arith', '-Wmissing-declarations', '-Wformat=2', '-Wstrict-prototypes', '-Wmissing-prototypes', '-Wnested-externs', '-Wbad-function-cast', '-Wshadow', '-Wlogical-op', '-Wdate-time', '-Wwrite-strings', '-Wno-documentation-deprecated-sync', ] if cc.has_argument(cflag) add_project_arguments(cflag, language: 'c') endif endforeach # The XKB config root. XKBCONFIGROOT = get_option('xkb-config-root') if XKBCONFIGROOT == '' xkeyboard_config_dep = dependency('xkeyboard-config', required: false) if xkeyboard_config_dep.found() XKBCONFIGROOT = xkeyboard_config_dep.get_pkgconfig_variable('xkb_base') else XKBCONFIGROOT = join_paths(get_option('prefix'), get_option('datadir'), 'X11', 'xkb') endif endif # The X locale directory for compose. XLOCALEDIR = get_option('x-locale-root') if XLOCALEDIR == '' XLOCALEDIR = join_paths(get_option('prefix'), get_option('datadir'), 'X11', 'locale') endif # config.h. configh_data = configuration_data() # Like AC_USE_SYSTEM_EXTENSIONS, what #define to use to get extensions # beyond the base POSIX function set. if host_machine.system() == 'sunos' system_extensions = '__EXTENSIONS__' else system_extensions = '_GNU_SOURCE' endif configh_data.set(system_extensions, 1) system_ext_define = '#define ' + system_extensions configh_data.set_quoted('DFLT_XKB_CONFIG_ROOT', XKBCONFIGROOT) configh_data.set_quoted('XLOCALEDIR', XLOCALEDIR) configh_data.set_quoted('DEFAULT_XKB_RULES', get_option('default-rules')) configh_data.set_quoted('DEFAULT_XKB_MODEL', get_option('default-model')) configh_data.set_quoted('DEFAULT_XKB_LAYOUT', get_option('default-layout')) if get_option('default-variant') != '' configh_data.set_quoted('DEFAULT_XKB_VARIANT', get_option('default-variant')) endif if get_option('default-options') != '' configh_data.set_quoted('DEFAULT_XKB_OPTIONS', get_option('default-options')) endif if cc.links('int main(){if(__builtin_expect(1<0,0)){}}', name: '__builtin_expect') configh_data.set('HAVE___BUILTIN_EXPECT', 1) endif if cc.has_header_symbol('unistd.h', 'eaccess', prefix: system_ext_define) configh_data.set('HAVE_EACCESS', 1) endif if cc.has_header_symbol('unistd.h', 'euidaccess', prefix: system_ext_define) configh_data.set('HAVE_EUIDACCESS', 1) endif if cc.has_header_symbol('sys/mman.h', 'mmap') configh_data.set('HAVE_MMAP', 1) endif if cc.has_header_symbol('stdlib.h', 'mkostemp', prefix: system_ext_define) configh_data.set('HAVE_MKOSTEMP', 1) endif if cc.has_header_symbol('fcntl.h', 'posix_fallocate', prefix: system_ext_define) configh_data.set('HAVE_POSIX_FALLOCATE', 1) endif if cc.has_header_symbol('string.h', 'strndup', prefix: system_ext_define) configh_data.set('HAVE_STRNDUP', 1) endif if cc.has_header_symbol('stdio.h', 'asprintf', prefix: system_ext_define) configh_data.set('HAVE_ASPRINTF', 1) elif cc.has_header_symbol('stdio.h', 'vasprintf', prefix: system_ext_define) configh_data.set('HAVE_VASPRINTF', 1) endif if cc.has_header_symbol('stdlib.h', 'secure_getenv', prefix: system_ext_define) configh_data.set('HAVE_SECURE_GETENV', 1) elif cc.has_header_symbol('stdlib.h', '__secure_getenv', prefix: system_ext_define) configh_data.set('HAVE___SECURE_GETENV', 1) else message('C library does not support secure_getenv, using getenv instead') endif # Silence some security & deprecation warnings on MSVC # for some unix/C functions we use. # https://docs.microsoft.com/en-us/cpp/error-messages/compiler-warnings/compiler-warning-level-3-c4996?view=vs-2019 configh_data.set('_CRT_SECURE_NO_WARNINGS', 1) configh_data.set('_CRT_NONSTDC_NO_WARNINGS', 1) configh_data.set('_CRT_NONSTDC_NO_DEPRECATE', 1) # Reduce unnecessary includes on MSVC. configh_data.set('WIN32_LEAN_AND_MEAN', 1) configure_file(output: 'config.h', configuration: configh_data) # Supports -Wl,--version-script? have_version_script = cc.links( 'int main(){}', args: '-Wl,--version-script=' + join_paths(meson.source_root(), 'xkbcommon.map'), name: '-Wl,--version-script', ) # libxkbcommon. # Note: we use some yacc extensions, which work with either GNU bison # (preferred) or byacc (with backtracking enabled). bison = find_program('bison', 'win_bison', required: false) if bison.found() yacc_gen = generator( bison, output: ['@BASENAME@.c', '@BASENAME@.h'], arguments: ['@INPUT@', '--defines=@OUTPUT1@', '--output=@OUTPUT0@', '-p _xkbcommon_'], ) else byacc = find_program('byacc', required: false) if byacc.found() yacc_gen = generator( byacc, output: ['@BASENAME@.c', '@BASENAME@.h'], arguments: ['@INPUT@', '-H', '@OUTPUT1@', '-o', '@OUTPUT0@', '-p _xkbcommon_'], ) else error('Could not find a compatible YACC program (bison or byacc)') endif endif libxkbcommon_sources = [ 'src/compose/parser.c', 'src/compose/parser.h', 'src/compose/paths.c', 'src/compose/paths.h', 'src/compose/state.c', 'src/compose/table.c', 'src/compose/table.h', 'src/xkbcomp/action.c', 'src/xkbcomp/action.h', 'src/xkbcomp/ast.h', 'src/xkbcomp/ast-build.c', 'src/xkbcomp/ast-build.h', 'src/xkbcomp/compat.c', 'src/xkbcomp/expr.c', 'src/xkbcomp/expr.h', 'src/xkbcomp/include.c', 'src/xkbcomp/include.h', 'src/xkbcomp/keycodes.c', 'src/xkbcomp/keymap.c', 'src/xkbcomp/keymap-dump.c', 'src/xkbcomp/keywords.c', yacc_gen.process('src/xkbcomp/parser.y'), 'src/xkbcomp/parser-priv.h', 'src/xkbcomp/rules.c', 'src/xkbcomp/rules.h', 'src/xkbcomp/scanner.c', 'src/xkbcomp/symbols.c', 'src/xkbcomp/types.c', 'src/xkbcomp/vmod.c', 'src/xkbcomp/vmod.h', 'src/xkbcomp/xkbcomp.c', 'src/xkbcomp/xkbcomp-priv.h', 'src/atom.c', 'src/atom.h', 'src/context.c', 'src/context.h', 'src/context-priv.c', 'src/darray.h', 'src/keysym.c', 'src/keysym.h', 'src/keysym-utf.c', 'src/ks_tables.h', 'src/keymap.c', 'src/keymap.h', 'src/keymap-priv.c', 'src/scanner-utils.h', 'src/state.c', 'src/text.c', 'src/text.h', 'src/utf8.c', 'src/utf8.h', 'src/utils.c', 'src/utils.h', ] libxkbcommon_link_args = [] if have_version_script libxkbcommon_link_args += '-Wl,--version-script=' + join_paths(meson.source_root(), 'xkbcommon.map') endif libxkbcommon = library( 'xkbcommon', 'xkbcommon/xkbcommon.h', libxkbcommon_sources, link_args: libxkbcommon_link_args, link_depends: 'xkbcommon.map', version: '0.0.0', install: true, include_directories: include_directories('src'), ) install_headers( 'xkbcommon/xkbcommon.h', 'xkbcommon/xkbcommon-compat.h', 'xkbcommon/xkbcommon-compose.h', 'xkbcommon/xkbcommon-keysyms.h', 'xkbcommon/xkbcommon-names.h', subdir: 'xkbcommon', ) pkgconfig.generate( name: 'xkbcommon', filebase: 'xkbcommon', libraries: libxkbcommon, version: meson.project_version(), description: 'XKB API common to servers and clients', ) # libxkbcommon-x11. if get_option('enable-x11') xcb_dep = dependency('xcb', version: '>=1.10', required: false) xcb_xkb_dep = dependency('xcb-xkb', version: '>=1.10', required: false) if not xcb_dep.found() or not xcb_xkb_dep.found() error('''X11 support requires xcb-xkb >= 1.10 which was not found. You can disable X11 support with -Denable-x11=false.''') endif libxkbcommon_x11_sources = [ 'src/x11/keymap.c', 'src/x11/state.c', 'src/x11/util.c', 'src/x11/x11-priv.h', 'src/context.h', 'src/context-priv.c', 'src/keymap.h', 'src/keymap-priv.c', 'src/atom.h', 'src/atom.c', ] libxkbcommon_x11_link_args = [] if have_version_script libxkbcommon_x11_link_args += '-Wl,--version-script=' + join_paths(meson.source_root(), 'xkbcommon-x11.map') endif libxkbcommon_x11 = library( 'xkbcommon-x11', 'xkbcommon/xkbcommon-x11.h', libxkbcommon_x11_sources, link_args: libxkbcommon_x11_link_args, link_depends: 'xkbcommon-x11.map', version: '0.0.0', install: true, include_directories: include_directories('src'), link_with: libxkbcommon, dependencies: [ xcb_dep, xcb_xkb_dep, ], ) install_headers( 'xkbcommon/xkbcommon-x11.h', subdir: 'xkbcommon', ) pkgconfig.generate( name: 'xkbcommon-x11', filebase: 'xkbcommon-x11', libraries: libxkbcommon_x11, version: meson.project_version(), description: 'XKB API common to servers and clients - X11 support', requires: ['xkbcommon'], requires_private: ['xcb>=1.10', 'xcb-xkb>=1.10'], ) endif # Tests test_env = environment() test_env.set('XKB_LOG_LEVEL', 'debug') test_env.set('XKB_LOG_VERBOSITY', '10') test_env.set('top_srcdir', meson.source_root()) test_env.set('top_builddir', meson.build_root()) test_configh_data = configuration_data() test_configh_data.set_quoted('TEST_XKB_CONFIG_ROOT', join_paths(meson.source_root(), 'test', 'data')) configure_file(output: 'test-config.h', configuration: test_configh_data) # Some tests need to use unexported symbols, so we link them against # an internal copy of libxkbcommon with all symbols exposed. libxkbcommon_test_internal = static_library( 'xkbcommon-test-internal', 'test/common.c', 'test/test.h', 'test/evdev-scancodes.h', libxkbcommon_sources, include_directories: include_directories('src'), ) test_dep = declare_dependency( include_directories: include_directories('src'), link_with: libxkbcommon_test_internal, ) if get_option('enable-x11') libxkbcommon_x11_internal = static_library( 'xkbcommon-x11-internal', libxkbcommon_x11_sources, include_directories: include_directories('src'), link_with: libxkbcommon_test_internal, dependencies: [ xcb_dep, xcb_xkb_dep, ], ) x11_test_dep = declare_dependency( link_with: libxkbcommon_x11_internal, dependencies: [ test_dep, xcb_dep, xcb_xkb_dep, ], ) endif test( 'keysym', executable('test-keysym', 'test/keysym.c', dependencies: test_dep), env: test_env, ) test( 'keymap', executable('test-keymap', 'test/keymap.c', dependencies: test_dep), env: test_env, ) test( 'filecomp', executable('test-filecomp', 'test/filecomp.c', dependencies: test_dep), env: test_env, ) # TODO: This test currently uses some functions that don't exist on Windows. if cc.get_id() != 'msvc' test( 'context', executable('test-context', 'test/context.c', dependencies: test_dep), env: test_env, ) endif test( 'rules-file', executable('test-rules-file', 'test/rules-file.c', dependencies: test_dep), env: test_env, ) test( 'rules-file-includes', executable('test-rules-file-includes', 'test/rules-file-includes.c', dependencies: test_dep), env: test_env, ) test( 'stringcomp', executable('test-stringcomp', 'test/stringcomp.c', dependencies: test_dep), env: test_env, ) test( 'buffercomp', executable('test-buffercomp', 'test/buffercomp.c', dependencies: test_dep), env: test_env, ) test( 'log', executable('test-log', 'test/log.c', dependencies: test_dep), env: test_env, ) test( 'atom', executable('test-atom', 'test/atom.c', dependencies: test_dep), env: test_env, ) test( 'utf8', executable('test-utf8', 'test/utf8.c', dependencies: test_dep), env: test_env, ) test( 'state', executable('test-state', 'test/state.c', dependencies: test_dep), env: test_env, ) test( 'keyseq', executable('test-keyseq', 'test/keyseq.c', dependencies: test_dep), env: test_env, ) test( 'rulescomp', executable('test-rulescomp', 'test/rulescomp.c', dependencies: test_dep), env: test_env, ) test( 'compose', executable('test-compose', 'test/compose.c', dependencies: test_dep), env: test_env, ) test( 'utils', executable('test-utils', 'test/utils.c', dependencies: test_dep), env: test_env, ) test( 'symbols-leak-test', find_program('test/symbols-leak-test.bash'), env: test_env, ) if get_option('enable-x11') test( 'x11', executable('test-x11', 'test/x11.c', dependencies: x11_test_dep), env: test_env, ) # test/x11comp is meant to be run, but it is (temporarily?) disabled. # See: https://github.com/xkbcommon/libxkbcommon/issues/30 executable('test-x11comp', 'test/x11comp.c', dependencies: x11_test_dep) endif # Fuzzing target programs. executable('fuzz-keymap', 'fuzz/keymap/target.c', dependencies: test_dep) executable('fuzz-compose', 'fuzz/compose/target.c', dependencies: test_dep) # Demo programs. libxkbcommon_tools_internal = static_library( 'tools-internal', 'tools/tools-common.h', 'tools/tools-common.c', libxkbcommon_sources, include_directories: include_directories('src'), ) tools_dep = declare_dependency( include_directories: [include_directories('src'), include_directories('tools')], link_with: libxkbcommon_tools_internal, ) if cc.has_header_symbol('getopt.h', 'getopt_long', prefix: '#define _GNU_SOURCE') executable('xkbcommon-rmlvo-to-kccgst', 'tools/rmlvo-to-kccgst.c', dependencies: tools_dep) executable('xkbcommon-rmlvo-to-keymap', 'tools/rmlvo-to-keymap.c', dependencies: tools_dep) executable('xkbcommon-print-compiled-keymap', 'tools/print-compiled-keymap.c', dependencies: tools_dep) executable('xkbcommon-how-to-type', 'tools/how-to-type.c', dependencies: tools_dep) endif if cc.has_header('linux/input.h') executable('xkbcommon-interactive-evdev', 'tools/interactive-evdev.c', dependencies: tools_dep) endif if get_option('enable-x11') x11_tools_dep = declare_dependency( link_with: libxkbcommon_x11_internal, dependencies: [ tools_dep, xcb_dep, xcb_xkb_dep, ], ) executable('xkbcommon-interactive-x11', 'tools/interactive-x11.c', dependencies: x11_tools_dep) endif if get_option('enable-wayland') wayland_client_dep = dependency('wayland-client', version: '>=1.2.0', required: false) wayland_protocols_dep = dependency('wayland-protocols', version: '>=1.12', required: false) wayland_scanner_dep = dependency('wayland-scanner', required: false, native: true) if not wayland_client_dep.found() or not wayland_protocols_dep.found() or not wayland_scanner_dep.found() error('''The Wayland demo programs require wayland-client >= 1.2.0, wayland-protocols >= 1.7 which were not found. You can disable the Wayland demo programs with -Denable-wayland=false.''') endif wayland_scanner = find_program(wayland_scanner_dep.get_pkgconfig_variable('wayland_scanner')) wayland_scanner_code_gen = generator( wayland_scanner, output: '@BASENAME@-protocol.c', arguments: ['code', '@INPUT@', '@OUTPUT@'], ) wayland_scanner_client_header_gen = generator( wayland_scanner, output: '@BASENAME@-client-protocol.h', arguments: ['client-header', '@INPUT@', '@OUTPUT@'], ) wayland_protocols_datadir = wayland_protocols_dep.get_pkgconfig_variable('pkgdatadir') xdg_shell_xml = join_paths(wayland_protocols_datadir, 'stable/xdg-shell/xdg-shell.xml') xdg_shell_sources = [ wayland_scanner_code_gen.process(xdg_shell_xml), wayland_scanner_client_header_gen.process(xdg_shell_xml), ] executable('xkbcommon-interactive-wayland', 'tools/interactive-wayland.c', xdg_shell_sources, dependencies: [tools_dep, wayland_client_dep]) endif # xkeyboard-config "verifier" xkct_config = configuration_data() xkct_config.set('MESON_BUILD_ROOT', meson.build_root()) xkct_config.set('XKB_CONFIG_ROOT', XKBCONFIGROOT) configure_file(input: 'test/xkeyboard-config-test.py.in', output: 'xkeyboard-config-test', configuration: xkct_config, install: false) # Benchmarks. libxkbcommon_bench_internal = static_library( 'xkbcommon-bench-internal', 'bench/bench.c', 'bench/bench.h', link_with: libxkbcommon_test_internal, ) bench_dep = declare_dependency( include_directories: include_directories('src'), link_with: libxkbcommon_bench_internal, ) bench_env = environment() bench_env.set('top_srcdir', meson.source_root()) benchmark( 'key-proc', executable('bench-key-proc', 'bench/key-proc.c', dependencies: bench_dep), env: bench_env, ) benchmark( 'rules', executable('bench-rules', 'bench/rules.c', dependencies: bench_dep), env: bench_env, ) benchmark( 'rulescomp', executable('bench-rulescomp', 'bench/rulescomp.c', dependencies: bench_dep), env: bench_env, ) benchmark( 'compose', executable('bench-compose', 'bench/compose.c', dependencies: bench_dep), env: bench_env, ) # Documentation. if get_option('enable-docs') doxygen = find_program('doxygen', required: false) if not doxygen.found() error('''Documentation requires doxygen which was not found. You can disable the documentation with -Denable-docs=false.''') endif doxygen_wrapper = find_program('scripts/doxygen-wrapper') doxygen_input = [ 'README.md', 'doc/doxygen-extra.css', 'doc/quick-guide.md', 'doc/compat.md', 'doc/user-configuration.md', 'doc/rules-format.md', 'xkbcommon/xkbcommon.h', 'xkbcommon/xkbcommon-names.h', 'xkbcommon/xkbcommon-x11.h', 'xkbcommon/xkbcommon-compose.h', ] doxygen_data = configuration_data() doxygen_data.set('PACKAGE_NAME', meson.project_name()) doxygen_data.set('PACKAGE_VERSION', meson.project_version()) doxygen_data.set('INPUT', ' '.join(doxygen_input)) doxygen_data.set('OUTPUT_DIRECTORY', meson.build_root()) doxyfile = configure_file( input: 'doc/Doxyfile.in', output: 'Doxyfile', configuration: doxygen_data, ) # TODO: Meson should provide this. docdir = join_paths(get_option('datadir'), 'doc', meson.project_name()) custom_target( 'doc', input: [doxyfile] + doxygen_input, output: 'html', command: [doxygen_wrapper, doxygen.path(), join_paths(meson.build_root(), 'Doxyfile'), meson.source_root()], install: true, install_dir: docdir, build_by_default: true, ) endif