# needed to find external libraries not registered with package manager
cmplr = meson.get_compiler('cpp')

# async gpio monitor needs boost library
boost_args = ['-DBOOST_ASIO_DISABLE_THREADS',
              '-DBOOST_ERROR_CODE_HEADER_ONLY',
              '-DBOOST_SYSTEM_NO_DEPRECATED']

# dependency to link dbus support
sdbusplus = dependency('sdbusplus', version : '>=1.0')

# dependency to link gpiod support
libgpiod = dependency('libgpiod', version : '>=1.4.1')

# dependency to link libpdbg support
libpdbg = cmplr.find_library('pdbg')

# libpdbg requires linking with "whole-archive" option
whole_archive = declare_dependency(link_args : '-Wl,--whole-archive')
no_whole_archive = declare_dependency(link_args : '-Wl,--no-whole-archive')

# install systemd unit file
configure_file(
    input: 'attn_handler.service',
    output: 'attn_handler.service',
    copy: true,
    install_dir:
        dependency('systemd').get_pkgconfig_variable(
            'systemdsystemunitdir')
)
executable('attn_handler',
           'attn_main.cpp', 'attn_handler.cpp', 'attn_monitor.cpp',
           dependencies : [whole_archive, libpdbg,
                           no_whole_archive, sdbusplus, libgpiod],
           cpp_args : boost_args,
           install : true)