project('libei', 'c',
  version: '0.4.1',
  license: 'MIT',
  default_options: [ 'c_std=gnu99', 'warning_level=2' ],
  meson_version: '>= 0.57.0')

pkgconfig = import('pkgconfig')

cc = meson.get_compiler('c')
cflags =[
    '-Wno-unused-parameter',
    '-Wmissing-prototypes',
    '-Wno-missing-field-initializers',
    '-Wstrict-prototypes',
    '-Wstrict-prototypes',
    '-Wlogical-op',
    '-Wpointer-arith',
    '-Wuninitialized',
    '-Winit-self',
    '-Wstrict-prototypes',
    '-Wimplicit-fallthrough',
    '-Wredundant-decls',
    '-Wincompatible-pointer-types',
    '-Wformat=2',
    '-Wformat-overflow=2',
    '-Wformat-signedness',
    '-Wformat-truncation=2',
    '-Wmissing-declarations',
    '-Wshift-overflow=2',
    '-Wstrict-overflow=2',
    '-Wswitch',
]

if cc.get_id() == 'clang'
    cflags += [
        # clang doesn't think just using _unref_ is a use of the variable
        #       _unref_(foo) *bar = something_that_gives_a_ref
        # but we make heavy use of that in the test suite for convenience
        # of events we know must exist but we don't care about specifically
        '-Wno-unused-variable',
    ]
endif

add_project_arguments(cc.get_supported_arguments(cflags), language: 'c')

inc_builddir = include_directories('.')
inc_src = include_directories('src')

config_h = configuration_data()
config_h.set('_GNU_SOURCE', '1')
config_h.set_quoted('EI_VERSION', meson.project_version())
config_h.set_quoted('EIS_VERSION', meson.project_version())

subdir('proto')

src_libutil = files(
    'src/util-bits.c',
    'src/util-io.c',
    'src/util-list.c',
    'src/util-logger.c',
    'src/util-memfile.c',
    'src/util-sources.c',
    'src/util-strings.c',
)

lib_util = static_library('util', src_libutil)

dep_libutil = declare_dependency(link_with: lib_util)


proto_c_template = files('src/ei-proto.c.tmpl')
proto_h_template = files('src/ei-proto.h.tmpl')

ei_proto_headers = custom_target('ei-proto-headers',
                                 input: protocol_xml,
                                 output: ['ei-proto.h'],
                                 command: [scanner, '--component=ei', '--output=@OUTPUT@', '@INPUT@', proto_h_template])
ei_proto_sources = custom_target('ei-proto-sources',
                                 input: protocol_xml,
                                 output: ['ei-proto.c'],
                                 command: [scanner, '--component=ei', '--output=@OUTPUT@', '@INPUT@', proto_c_template])
src_libei = files(
    'src/brei-shared.c',
    'src/libei.c',
    'src/libei-callback.c',
    'src/libei-connection-setup.c',
    'src/libei-connection.c',
    'src/libei-device.c',
    'src/libei-event.c',
    'src/libei-fd.c',
    'src/libei-keyboard.c',
    'src/libei-log.c',
    'src/libei-pingpong.c',
    'src/libei-pointer.c',
    'src/libei-region.c',
    'src/libei-region.c',
    'src/libei-seat.c',
    'src/libei-socket.c',
    'src/libei-touchscreen.c',
) + [ei_proto_headers, ei_proto_sources]

deps_libei = [
    dep_libutil,
]

lib_libei = shared_library('ei',
    src_libei,
    dependencies: deps_libei,
    gnu_symbol_visibility: 'hidden',
    include_directories: ['src'],
    install: true
)
install_headers('src/libei.h')

dep_libei = declare_dependency(link_with: lib_libei,
                                include_directories: [inc_src])
meson.override_dependency('libei', dep_libei)

pkgconfig.generate(lib_libei,
    filebase: 'libei',
    name: 'libEI',
    description: 'Emulated Input client library',
    version: meson.project_version(),
    libraries: lib_libei,
)

eis_proto_headers = custom_target('eis-proto-headers',
                                  input: protocol_xml,
                                  output: ['eis-proto.h'],
                                  command: [scanner, '--component=eis', '--output=@OUTPUT@', '@INPUT@', proto_h_template])
eis_proto_sources = custom_target('eis-proto-sources',
                                  input: protocol_xml,
                                  output: ['eis-proto.c'],
                                  command: [scanner, '--component=eis', '--output=@OUTPUT@', '@INPUT@', proto_c_template])

src_libeis = files(
    'src/brei-shared.c',
    'src/libeis.c',
    'src/libeis-callback.c',
    'src/libeis-client.c',
    'src/libeis-connection-setup.c',
    'src/libeis-connection.c',
    'src/libeis-device.c',
    'src/libeis-event.c',
    'src/libeis-fd.c',
    'src/libeis-keyboard.c',
    'src/libeis-log.c',
    'src/libeis-pingpong.c',
    'src/libeis-pointer.c',
    'src/libeis-region.c',
    'src/libeis-seat.c',
    'src/libeis-socket.c',
    'src/libeis-touchscreen.c',
) + [eis_proto_headers, eis_proto_sources]

lib_libeis = shared_library('eis',
    src_libeis,
    dependencies: [dep_libutil],
    include_directories: [inc_src],
    gnu_symbol_visibility: 'hidden',
    install: true
)
install_headers('src/libeis.h')

dep_libeis = declare_dependency(link_with: lib_libeis,
                                include_directories: [inc_src])
meson.override_dependency('libeis', dep_libeis)

pkgconfig.generate(lib_libeis,
    filebase: 'libeis',
    name: 'libEIS',
    description: 'Emulated Input server library',
    version: meson.project_version(),
    libraries: lib_libeis,
)

dep_libxkbcommon = dependency('xkbcommon', required: false)
config_h.set10('HAVE_LIBXKBCOMMON', dep_libxkbcommon.found())
dep_libevdev = dependency('libevdev', required: false)
config_h.set10('HAVE_LIBEVDEV', dep_libevdev.found())

src_eis_demo_server = files(
    'tools/eis-demo-server.c',
)
if dep_libevdev.found()
    src_eis_demo_server += files(
        'tools/eis-demo-server-uinput.c',
    )
endif


executable('eis-demo-server',
           src_eis_demo_server,
           dependencies: [
               dep_libutil,
               dep_libeis,
               dep_libxkbcommon,
               dep_libevdev
           ])

executable('ei-demo-client',
           'tools/ei-demo-client.c',
           dependencies: [dep_libutil, dep_libei, dep_libxkbcommon])

executable('ei-debug-events',
           'tools/ei-debug-events.c',
           dependencies: [dep_libutil, dep_libei, dep_libevdev],
           install: true)

dep_systemd = dependency('libsystemd', required: get_option('liboeffis'))
build_oeffis = dep_systemd.found()
if build_oeffis
    src_liboeffis = files('src/liboeffis.c')
    deps_liboeffis = [dep_libutil, dep_systemd]

    lib_liboeffis = shared_library('oeffis',
        src_liboeffis,
        dependencies: deps_liboeffis,
        gnu_symbol_visibility: 'hidden',
        install: true
    )
    install_headers('src/liboeffis.h')

    dep_liboeffis = declare_dependency(link_with: lib_liboeffis,
                                       include_directories: [inc_src])
    meson.override_dependency('liboeffis', dep_liboeffis)

    pkgconfig.generate(lib_liboeffis,
        filebase: 'liboeffis',
        name: 'libOeffis',
        description: 'RemoteDesktop portal DBus helper library',
        version: meson.project_version(),
        libraries: lib_liboeffis,
    )

    executable('oeffis-demo-tool',
               'tools/oeffis-demo-tool.c',
               dependencies: [dep_libutil, dep_liboeffis])
endif

# tests
if get_option('tests')
    subdir('test')
endif

configure_file(output: 'config.h', configuration: config_h)

if get_option('documentation')
    subdir('doc')
endif