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kc3-lang/libxkbcommon/meson.build

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  • Author : Pierre Le Marre
    Date : 2024-03-25 15:01:19
    Hash : 11f7ef2e
    Message : test(x11): Warn for missing Xvfb program Xvfb is required for *running* X11 tests. We do not make it mandatory in the meson setup though, because we did not find a way to require a *run* time dependency.

  • meson.build
  • project(
        'libxkbcommon',
        'c',
        version: '1.7.0',
        default_options: [
            'c_std=c11',
            'warning_level=2',
            'b_lundef=true',
        ],
        meson_version : '>= 0.52.0',
    )
    pkgconfig = import('pkgconfig')
    cc = meson.get_compiler('c')
    
    dir_libexec = get_option('prefix')/get_option('libexecdir')/'xkbcommon'
    
    # Compiler flags.
    cflags = [
        '-fno-strict-aliasing',
        '-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',
    ]
    add_project_arguments(cc.get_supported_arguments(cflags), language: 'c')
    
    
    # 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_variable(pkgconfig: 'xkb_base')
        else
            XKBCONFIGROOT = get_option('prefix')/get_option('datadir')/'X11'/'xkb'
      endif
    endif
    
    XKBCONFIGEXTRAPATH = get_option('xkb-config-extra-path')
    if XKBCONFIGEXTRAPATH == ''
        XKBCONFIGEXTRAPATH = get_option('prefix')/get_option('sysconfdir')/'xkb'
    endif
    
    # The X locale directory for compose.
    XLOCALEDIR = get_option('x-locale-root')
    if XLOCALEDIR == ''
        XLOCALEDIR = get_option('prefix')/get_option('datadir')/'X11'/'locale'
    endif
    
    
    # config.h.
    configh_data = configuration_data()
    configh_data.set('EXIT_INVALID_USAGE', '2')
    configh_data.set_quoted('LIBXKBCOMMON_VERSION', meson.project_version())
    configh_data.set_quoted('LIBXKBCOMMON_TOOL_PATH', dir_libexec)
    # 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('DFLT_XKB_CONFIG_EXTRA_PATH', XKBCONFIGEXTRAPATH)
    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'))
    else
        configh_data.set('DEFAULT_XKB_VARIANT', 'NULL')
    endif
    if get_option('default-options') != ''
        configh_data.set_quoted('DEFAULT_XKB_OPTIONS', get_option('default-options'))
    else
        configh_data.set('DEFAULT_XKB_OPTIONS', 'NULL')
    endif
    if cc.has_header('unistd.h')
        configh_data.set('HAVE_UNISTD_H', 1)
    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
    if not cc.has_header_symbol('limits.h', 'PATH_MAX', prefix: system_ext_define)
        if host_machine.system() == 'windows'
            # see https://docs.microsoft.com/en-us/windows/win32/fileio/naming-a-file#maximum-path-length-limitation
            configh_data.set('PATH_MAX', 260)
        else
            configh_data.set('PATH_MAX', 4096)
        endif
    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)
    
    # Supports -Wl,--version-script?
    have_version_script = cc.links(
        'int main(){}',
        args: '-Wl,--undefined-version,--version-script=' + meson.current_source_dir()/'xkbcommon.map',
        name: '-Wl,--version-script',
    )
    
    map_to_def = find_program('scripts/map-to-def')
    
    # 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, version: '>= 2.3a')
    if bison.found()
        yacc = bison
        yacc_gen = generator(
            bison,
            output: ['@BASENAME@.c', '@BASENAME@.h'],
            arguments: ['--defines=@OUTPUT1@', '-o', '@OUTPUT0@', '-p', '_xkbcommon_', '@INPUT@'],
        )
    else
        byacc = find_program('byacc', required: false)
        if byacc.found()
            yacc = byacc
            yacc_gen = generator(
                byacc,
                output: ['@BASENAME@.c', '@BASENAME@.h'],
                arguments: ['-H', '@OUTPUT1@', '-o', '@OUTPUT0@', '-p', '_xkbcommon_', '@INPUT@'],
            )
        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/messages-codes.h',
        'src/scanner-utils.h',
        'src/state.c',
        'src/text.c',
        'src/text.h',
        'src/utf8.c',
        'src/utf8.h',
        'src/util-mem.h',
        'src/utils.c',
        'src/utils.h',
    ]
    libxkbcommon_link_args = []
    libxkbcommon_link_deps = []
    if have_version_script
        libxkbcommon_link_args += '-Wl,--version-script=' + meson.current_source_dir()/'xkbcommon.map'
        libxkbcommon_link_deps += 'xkbcommon.map'
    elif cc.get_argument_syntax() == 'msvc'
        libxkbcommon_def = custom_target('xkbcommon.def',
            command: [map_to_def, '@INPUT@', '@OUTPUT@'],
            input: 'xkbcommon.map',
            output: 'kxbcommon.def',
        )
        libxkbcommon_link_deps += libxkbcommon_def
        libxkbcommon_link_args += '/DEF:' + libxkbcommon_def.full_path()
    endif
    libxkbcommon = library(
        'xkbcommon',
        'include/xkbcommon/xkbcommon.h',
        libxkbcommon_sources,
        link_args: libxkbcommon_link_args,
        link_depends: libxkbcommon_link_deps,
        gnu_symbol_visibility: 'hidden',
        version: '0.0.0',
        install: true,
        include_directories: include_directories('src', 'include'),
    )
    install_headers(
        'include/xkbcommon/xkbcommon.h',
        'include/xkbcommon/xkbcommon-compat.h',
        'include/xkbcommon/xkbcommon-compose.h',
        'include/xkbcommon/xkbcommon-keysyms.h',
        'include/xkbcommon/xkbcommon-names.h',
        subdir: 'xkbcommon',
    )
    
    dep_libxkbcommon = declare_dependency(
        link_with: libxkbcommon,
        include_directories: include_directories('include'),
    )
    if meson.version().version_compare('>= 0.54.0')
        meson.override_dependency('xkbcommon', dep_libxkbcommon)
    endif
    pkgconfig.generate(
        libxkbcommon,
        name: 'xkbcommon',
        filebase: 'xkbcommon',
        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 = []
        libxkbcommon_x11_link_deps = []
        if have_version_script
            libxkbcommon_x11_link_args += '-Wl,--version-script=' + meson.current_source_dir()/'xkbcommon-x11.map'
            libxkbcommon_x11_link_deps += 'xkbcommon-x11.map'
        elif cc.get_argument_syntax() == 'msvc'
            libxkbcommon_x11_def = custom_target('xkbcommon-x11.def',
                command: [map_to_def, '@INPUT@', '@OUTPUT@'],
                input: 'xkbcommon-x11.map',
                output: 'xkbcommon-x11.def',
            )
            libxkbcommon_x11_link_deps += libxkbcommon_x11_def
            libxkbcommon_x11_link_args += '/DEF:' + libxkbcommon_x11_def.full_path()
        endif
        libxkbcommon_x11 = library(
            'xkbcommon-x11',
            'include/xkbcommon/xkbcommon-x11.h',
            libxkbcommon_x11_sources,
            link_args: libxkbcommon_x11_link_args,
            link_depends: libxkbcommon_x11_link_deps,
            gnu_symbol_visibility: 'hidden',
            version: '0.0.0',
            install: true,
            include_directories: include_directories('src', 'include'),
            link_with: libxkbcommon,
            dependencies: [
                xcb_dep,
                xcb_xkb_dep,
            ],
        )
        install_headers(
            'include/xkbcommon/xkbcommon-x11.h',
            subdir: 'xkbcommon',
        )
        dep_libxkbcommon_x11 = declare_dependency(
            link_with: libxkbcommon_x11,
            include_directories: include_directories('include'),
        )
        if meson.version().version_compare('>= 0.54.0')
            meson.override_dependency('xkbcommon-x11', dep_libxkbcommon_x11)
        endif
        pkgconfig.generate(
            libxkbcommon_x11,
            name: 'xkbcommon-x11',
            filebase: 'xkbcommon-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
    
    # libxkbregistry
    if get_option('enable-xkbregistry')
        dep_libxml = dependency('libxml-2.0')
        deps_libxkbregistry = [dep_libxml]
        libxkbregistry_sources = [
            'src/registry.c',
            'src/utils.h',
            'src/utils.c',
            'src/util-list.h',
            'src/util-list.c',
            'src/util-mem.h',
        ]
        libxkbregistry_link_args = []
        libxkbregistry_link_deps = []
        if have_version_script
            libxkbregistry_link_args += '-Wl,--version-script=' + meson.current_source_dir()/'xkbregistry.map'
            libxkbregistry_link_deps += 'xkbregistry.map'
        elif cc.get_argument_syntax() == 'msvc'
            libxkbregistry_def = custom_target('xkbregistry.def',
                command: [map_to_def, '@INPUT@', '@OUTPUT@'],
                input: 'xkbregistry.map',
                output: 'xkbregistry.def',
            )
            libxkbregistry_link_deps += libxkbregistry_def
            libxkbregistry_link_args += '/DEF:' + libxkbregistry_def.full_path()
        endif
        libxkbregistry = library(
            'xkbregistry',
            'include/xkbcommon/xkbregistry.h',
            libxkbregistry_sources,
            link_args: libxkbregistry_link_args,
            link_depends: libxkbregistry_link_deps,
            gnu_symbol_visibility: 'hidden',
            dependencies: deps_libxkbregistry,
            version: '0.0.0',
            install: true,
            include_directories: include_directories('src', 'include'),
        )
        install_headers(
            'include/xkbcommon/xkbregistry.h',
            subdir: 'xkbcommon',
        )
        pkgconfig.generate(
            libxkbregistry,
            name: 'xkbregistry',
            filebase: 'xkbregistry',
            version: meson.project_version(),
            description: 'XKB API to query available rules, models, layouts, variants and options',
        )
    
        dep_libxkbregistry = declare_dependency(
            link_with: libxkbregistry,
            include_directories: include_directories('include'),
        )
        if meson.version().version_compare('>= 0.54.0')
            meson.override_dependency('xkbregistry', dep_libxkbregistry)
        endif
    endif
    
    man_pages = []
    
    # Tools
    build_tools = get_option('enable-tools') and cc.has_header_symbol('getopt.h', 'getopt_long', prefix: '#define _GNU_SOURCE')
    if build_tools
        # Common resources
        libxkbcommon_tools_internal_sources = [
            'tools/tools-common.h',
            'tools/tools-common.c',
        ]
        libxkbcommon_tools_internal = static_library(
            'tools-internal',
            libxkbcommon_tools_internal_sources,
            dependencies: dep_libxkbcommon,
        )
        tools_dep = declare_dependency(
            include_directories: [include_directories('tools', 'include')],
            link_with: libxkbcommon_tools_internal,
            dependencies: dep_libxkbcommon,
        )
        configh_data.set10('HAVE_TOOLS', true)
    
        # Tool: xkbcli
        executable('xkbcli', 'tools/xkbcli.c',
                   dependencies: tools_dep, install: true)
        install_man('tools/xkbcli.1')
    
        if get_option('enable-bash-completion')
            bash_completion_path = get_option('bash-completion-path')
            if bash_completion_path == ''
                bash_completion = dependency('bash-completion', required: false)
                if bash_completion.found()
                    bash_completion_path = bash_completion.get_variable(pkgconfig: 'completionsdir')
                else
                    bash_completion_path = get_option('datadir') / 'bash-completion/completions'
                endif
            endif
            install_data('tools/xkbcli-bash-completion.sh',
                         rename: 'xkbcli',
                         install_dir: bash_completion_path)
        endif
    
        # Tool: compile-keymap
        xkbcli_compile_keymap = executable('xkbcli-compile-keymap',
                                           'tools/compile-keymap.c',
                                           dependencies: tools_dep,
                                           install: true,
                                           install_dir: dir_libexec)
        install_man('tools/xkbcli-compile-keymap.1')
        configh_data.set10('HAVE_XKBCLI_COMPILE_KEYMAP', true)
        # The same tool again, but with access to some private APIs.
        executable('compile-keymap',
                   'tools/compile-keymap.c',
                   libxkbcommon_sources,
                   dependencies: [tools_dep],
                   c_args: ['-DENABLE_PRIVATE_APIS'],
                   include_directories: [include_directories('src', 'include')],
                   install: false)
    
        # Tool: compose
        executable('xkbcli-compile-compose',
                   'tools/compile-compose.c',
                   dependencies: tools_dep,
                   install: true,
                   install_dir: dir_libexec)
        install_man('tools/xkbcli-compile-compose.1')
        configh_data.set10('HAVE_XKBCLI_COMPILE_COMPOSE', true)
    
        # Tool: how-to-type
        executable('xkbcli-how-to-type',
                   'tools/how-to-type.c',
                   dependencies: tools_dep,
                   install: true,
                   install_dir: dir_libexec)
        install_man('tools/xkbcli-how-to-type.1')
        configh_data.set10('HAVE_XKBCLI_HOW_TO_TYPE', true)
    
        # Tool: interactive-evdev
        if cc.has_header('linux/input.h')
            executable('xkbcli-interactive-evdev',
                       'tools/interactive-evdev.c',
                       dependencies: tools_dep,
                       install: true,
                       install_dir: dir_libexec)
            configh_data.set10('HAVE_XKBCLI_INTERACTIVE_EVDEV', true)
            install_man('tools/xkbcli-interactive-evdev.1')
            # The same tool again, but with access to some private APIs.
            executable('interactive-evdev',
                    'tools/interactive-evdev.c',
                    libxkbcommon_sources,
                    libxkbcommon_tools_internal_sources,
                    dependencies: [tools_dep],
                    c_args: ['-DENABLE_PRIVATE_APIS'],
                    include_directories: [include_directories('src', 'include')],
                    install: false)
        endif
    
        # Tool: interactive-x11
        if get_option('enable-x11')
            x11_tools_dep = declare_dependency(
                link_with: libxkbcommon_x11,
                dependencies: [
                    tools_dep,
                    xcb_dep,
                    xcb_xkb_dep,
                ],
            )
            executable('xkbcli-interactive-x11',
                       'tools/interactive-x11.c',
                       dependencies: x11_tools_dep,
                       install: true,
                       install_dir: dir_libexec)
            install_man('tools/xkbcli-interactive-x11.1')
            configh_data.set10('HAVE_XKBCLI_INTERACTIVE_X11', true)
        endif
    
        # Tool: interactive-wayland
        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 xkbcli programs require wayland-client and wayland-protocols which were not found.
    You can disable the Wayland xkbcli programs with -Denable-wayland=false.''')
            endif
    
            wayland_scanner = find_program(wayland_scanner_dep.get_variable(pkgconfig: 'wayland_scanner'))
            wayland_scanner_code_gen = generator(
                wayland_scanner,
                output: '@BASENAME@-protocol.c',
                arguments: ['private-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_variable(pkgconfig: 'pkgdatadir')
            xdg_shell_xml = 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('xkbcli-interactive-wayland',
                       'tools/interactive-wayland.c',
                       xdg_shell_sources,
                       dependencies: [tools_dep, wayland_client_dep],
                       install: true,
                       install_dir: dir_libexec)
            install_man('tools/xkbcli-interactive-wayland.1')
            configh_data.set10('HAVE_XKBCLI_INTERACTIVE_WAYLAND', true)
        endif
    
        # Tool: list
        if get_option('enable-xkbregistry')
            configh_data.set10('HAVE_XKBCLI_LIST', true)
            executable('xkbcli-list',
                       'tools/registry-list.c',
                       dependencies: dep_libxkbregistry,
                       install: true,
                       install_dir: dir_libexec)
            install_man('tools/xkbcli-list.1')
        endif
    
        # Tool: check-messages
        executable('xkb-check-messages',
                   'tools/check-messages.c',
                   'tools/messages.c',
                   'tools/messages.h',
                   'src/messages-codes.h',
                   dependencies: [tools_dep],
                   include_directories: [include_directories('src', 'include', 'tools')],
                   install: false)
    else
        tools_dep = declare_dependency()
    endif
    
    
    # xkeyboard-config "verifier"
    xkct_config = configuration_data()
    xkct_config.set('MESON_BUILD_ROOT', meson.current_build_dir())
    xkct_config.set('XKB_CONFIG_ROOT', XKBCONFIGROOT)
    configure_file(input: 'test/xkeyboard-config-test.py.in',
                   output: 'xkeyboard-config-test',
                   configuration: xkct_config)
    
    # Tests
    test_env = environment()
    test_env.set('XKB_LOG_LEVEL', 'debug')
    test_env.set('XKB_LOG_VERBOSITY', '10')
    test_env.set('top_srcdir', meson.current_source_dir())
    test_env.set('top_builddir', meson.current_build_dir())
    test_env.set('HAVE_XKBCLI_INTERACTIVE_EVDEV', configh_data.get('HAVE_XKBCLI_INTERACTIVE_EVDEV', 0).to_string())
    test_env.set('HAVE_XKBCLI_INTERACTIVE_WAYLAND', configh_data.get('HAVE_XKBCLI_INTERACTIVE_WAYLAND', 0).to_string())
    test_env.set('HAVE_XKBCLI_INTERACTIVE_X11', configh_data.get('HAVE_XKBCLI_INTERACTIVE_X11', 0).to_string())
    test_env.set('HAVE_XKBCLI_LIST', configh_data.get('HAVE_XKBCLI_LIST', 0).to_string())
    
    test_configh_data = configuration_data()
    test_configh_data.set_quoted('TEST_XKB_CONFIG_ROOT', meson.current_source_dir()/'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',
        'bench/bench.c',
        'bench/bench.h',
        libxkbcommon_sources,
        include_directories: include_directories('src', 'include'),
        c_args: ['-DENABLE_PRIVATE_APIS'],
    )
    test_dep = declare_dependency(
        include_directories: include_directories('src', 'include'),
        link_with: libxkbcommon_test_internal,
        dependencies: [tools_dep],
    )
    if get_option('enable-x11')
        libxkbcommon_x11_test_internal = static_library(
            'xkbcommon-x11-internal',
            libxkbcommon_x11_sources,
            'test/xvfb-wrapper.c',
            'test/xvfb-wrapper.h',
            include_directories: include_directories('src', 'include'),
            link_with: libxkbcommon_test_internal,
            dependencies: [
                xcb_dep,
                xcb_xkb_dep,
            ],
        )
        x11_test_dep = declare_dependency(
            link_with: libxkbcommon_x11_test_internal,
            dependencies: [
                test_dep,
                xcb_dep,
                xcb_xkb_dep,
            ],
        )
    endif
    # TODO: version range?
    keysyms_test_dep = [test_dep]
    keysyms_test_c_args = ['-DENABLE_PRIVATE_APIS']
    icu_dep = dependency('icu-uc', required: false)
    if icu_dep.found()
        keysyms_test_dep += [icu_dep]
        configh_data.set10('HAVE_ICU', true)
    endif
    test(
        'keysym',
        executable('test-keysym', 'test/keysym.c', 'test/keysym.h',
                   dependencies: keysyms_test_dep,
                   c_args: keysyms_test_c_args),
        env: test_env,
    )
    test(
        'keymap',
        executable('test-keymap', 'test/keymap.c', 'test/keysym.h',
                   dependencies: test_dep),
        env: test_env,
    )
    test(
        'filecomp',
        executable('test-filecomp', 'test/filecomp.c', dependencies: test_dep),
        env: test_env,
    )
    test(
        'context',
        executable('test-context', 'test/context.c', dependencies: test_dep),
        env: test_env,
    )
    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.py'),
        env: test_env,
        suite: ['python-tests'],
    )
    test(
        'modifiers',
        executable('test-modifiers', 'test/modifiers.c', dependencies: test_dep),
        env: test_env,
    )
    test(
        'messages',
        executable(
            'test-messages',
            'test/messages.c',
            'tools/messages.c',
            'tools/messages.h',
            include_directories: include_directories('src', 'include', 'tools'),
            dependencies: test_dep),
        env: test_env,
    )
    if get_option('enable-x11')
        has_xvfb = find_program('Xvfb', required: false)
        if not has_xvfb.found()
            warning('Xvfb program not found, but is required to run X11 tests.')
        endif
        test(
            'x11',
            executable('test-x11', 'test/x11.c', dependencies: x11_test_dep),
            env: test_env,
            is_parallel : false,
        )
        test(
            'x11comp',
            executable('test-x11comp', 'test/x11comp.c', dependencies: x11_test_dep),
            env: test_env,
            is_parallel : false,
        )
    endif
    if get_option('enable-xkbregistry')
        test(
            'registry',
            executable('test-registry', 'test/registry.c',
                       include_directories: include_directories('src'),
                       dependencies: [dep_libxkbregistry, test_dep]),
            env: test_env,
        )
    endif
    if build_tools
        test('tool-option-parsing',
             find_program('test/tool-option-parsing.py'),
             env: test_env,
             suite: ['python-tests'])
    
        # A set of keysyms to test for. Add one or two symbols to this array
        # whenever the xorgproto gets updated to make sure we resolve them.
        keysyms_to_test = [
            'XF86Macro23',
        ]
    
        env = environment()
        env.set('XKB_CONFIG_ROOT', meson.current_source_dir()/'test'/'data')
        foreach keysym: keysyms_to_test
            test('keysym-test-@0@'.format(keysym),
                 find_program('test/test-keysym.py'),
                 env: env,
                 args: [keysym, '--tool', xkbcli_compile_keymap],
                 suite: ['python-tests'])
        endforeach
    endif
    
    valgrind = find_program('valgrind', required: false)
    if valgrind.found()
        add_test_setup('valgrind',
            exe_wrapper: [valgrind,
                           '--leak-check=full',
                           '--track-origins=yes',
                           '--gen-suppressions=all',
                           '--error-exitcode=99'],
            timeout_multiplier : 10)
    else
        message('valgrind not found, disabling valgrind test setup')
    endif
    
    
    # Fuzzing target programs.
    executable('fuzz-keymap', 'fuzz/keymap/target.c', dependencies: test_dep)
    executable('fuzz-compose', 'fuzz/compose/target.c', dependencies: test_dep)
    
    
    # Benchmarks.
    bench_env = environment()
    bench_env.set('top_srcdir', meson.current_source_dir())
    benchmark(
        'key-proc',
        executable('bench-key-proc', 'bench/key-proc.c', dependencies: test_dep),
        env: bench_env,
    )
    benchmark(
        'rules',
        executable('bench-rules', 'bench/rules.c', dependencies: test_dep),
        env: bench_env,
    )
    benchmark(
        'rulescomp',
        executable('bench-rulescomp', 'bench/rulescomp.c', dependencies: test_dep),
        env: bench_env,
    )
    benchmark(
        'compose',
        executable('bench-compose', 'bench/compose.c', dependencies: test_dep),
        env: bench_env,
    )
    benchmark(
        'compose-traversal',
        executable('bench-compose-traversal', 'bench/compose-traversal.c', dependencies: test_dep),
        env: bench_env,
    )
    benchmark(
        'atom',
        executable('bench-atom', 'bench/atom.c', dependencies: test_dep),
        env: bench_env,
    )
    if get_option('enable-x11')
      benchmark(
          'x11',
          executable('bench-x11', 'bench/x11.c', dependencies: x11_test_dep),
          env: bench_env,
      )
    endif
    
    
    # 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/diagrams/xkb-configuration.dot',
            'doc/diagrams/xkb-keymap-components.dot',
            'doc/diagrams/xkb-types-explanation.dot',
            'doc/doxygen-extra.css',
            'doc/introduction-to-xkb.md',
            'doc/quick-guide.md',
            'doc/compatibility.md',
            'doc/user-configuration.md',
            'doc/rules-format.md',
            'doc/keymap-format-text-v1.md',
            'doc/message-registry.md',
            'include/xkbcommon/xkbcommon.h',
            'include/xkbcommon/xkbcommon-compose.h',
            'include/xkbcommon/xkbcommon-keysyms.h',
            'include/xkbcommon/xkbcommon-names.h',
            'include/xkbcommon/xkbcommon-x11.h',
            'include/xkbcommon/xkbregistry.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.current_build_dir())
        doxyfile = configure_file(
            input: 'doc/Doxyfile.in',
            output: 'Doxyfile',
            configuration: doxygen_data,
        )
        # TODO: Meson should provide this.
        docdir = get_option('datadir')/'doc'/meson.project_name()
        doc_gen = custom_target(
            'doc',
            input: [doxyfile] + doxygen_input,
            output: 'html',
            command: [
                doxygen_wrapper,
                doxygen,
                meson.current_build_dir()/'Doxyfile',
                meson.current_source_dir(),
            ],
            install: true,
            install_dir: docdir,
            build_by_default: true,
        )
        if get_option('enable-cool-uris')
            ensure_stable_urls = find_program('scripts'/'ensure-stable-doc-urls.py')
            custom_target(
                'doc-cool-uris',
                input: [doc_gen, 'doc'/'cool-uris.yaml'],
                output: 'html-xtra',
                command: [
                    ensure_stable_urls,
                    'generate-redirections',
                    meson.current_source_dir()/'doc'/'cool-uris.yaml',
                    meson.current_build_dir()/'html'
                ],
                install: false,
                build_by_default: true,
            )
        endif
    endif
    
    configure_file(output: 'config.h', configuration: configh_data)
    
    
    # Stable variables for projects using xkbcommon as a subproject.
    # These variables should not be renamed.
    libxkbcommon_dep = dep_libxkbcommon
    if get_option('enable-x11')
      libxkbcommon_x11_dep = dep_libxkbcommon_x11
    endif
    if get_option('enable-xkbregistry')
      libxkbregistry_dep = dep_libxkbregistry
    endif
    
    if meson.version().version_compare('>=0.62.0')
        summary({
          'backend': meson.backend(),
          'buildtype': get_option('buildtype'),
          'c_args': get_option('c_args'),
          'c_link_args': get_option('c_link_args'),
          'yacc': yacc.full_path() + ' ' + yacc.version(),
        }, section: 'Compiler')
        summary({
          'prefix': get_option('prefix'),
          'bindir': get_option('bindir'),
          'libdir': get_option('libdir'),
          'datadir': get_option('datadir'),
          'xkb-config-root': XKBCONFIGROOT,
          'xkb-config-extra-path': XKBCONFIGEXTRAPATH,
          'xlocaledir': XLOCALEDIR,
        }, section: 'Directories')
        summary({
          'docs': get_option('enable-docs'),
          'tools': get_option('enable-tools'),
          'wayland': get_option('enable-wayland'),
          'x11': get_option('enable-x11'),
        }, section: 'Features')
        summary({
          'layout': get_option('default-layout'),
          'model': get_option('default-model'),
          'options': get_option('default-options'),
          'rules': get_option('default-rules'),
          'variant': get_option('default-variant'),
        }, section: 'Defaults')
    endif