126 lines
4.2 KiB
Meson
126 lines
4.2 KiB
Meson
# Check PTP support
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ptp_helper_option = get_option('ptp-helper')
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if ptp_helper_option.disabled()
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subdir_done()
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endif
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if host_system not in ['linux', 'freebsd', 'openbsd', 'netbsd', 'dragonfly', 'darwin', 'sunos', 'solaris', 'illumos', 'windows', 'gnu']
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if ptp_helper_option.enabled()
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error('PTP not supported on this OS')
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endif
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subdir_done()
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endif
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have_rust = add_languages('rust', native : false, required : false)
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if not have_rust
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if ptp_helper_option.enabled()
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error('PTP not supported without Rust compiler')
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endif
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subdir_done()
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endif
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rustc = meson.get_compiler('rust')
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if rustc.get_id() not in ['rustc', 'clippy-driver rustc']
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warning('PTP support is only tested with rustc, found different compiler @0@ @1@'.format(rustc.get_id(), rustc.version()))
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endif
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# We currently need at least Rust 1.48 on all platforms but Windows.
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# On Windows some 1.54 API is used that would otherwise complicate things
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# unncecessarily.
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rust_req = '1.48'
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if host_system == 'windows'
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rust_req = '1.54'
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endif
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if rustc.get_id() in ['rustc', 'clippy-driver rustc'] and not rustc.version().version_compare('>=' + rust_req)
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if ptp_helper_option.enabled()
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error('PTP support requires at least Rust @0@ on this platform, found @1@'.format(rust_req, rustc.version()))
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endif
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subdir_done()
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endif
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cdata.set('HAVE_PTP', 1, description : 'PTP support available')
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ptp_helper_conf_data = configuration_data()
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rust_args = []
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setcap_prog = find_program('setcap', '/usr/sbin/setcap', '/sbin/setcap', required : false)
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cap_dep = dependency('libcap', required: false)
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# user/group to change to in gst-ptp-helper
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ptp_helper_setuid_user = get_option('ptp-helper-setuid-user')
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if ptp_helper_setuid_user != ''
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ptp_helper_conf_data.set('PTP_HELPER_SETUID_USER', 'Some("@0@")'.format(ptp_helper_setuid_user))
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else
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ptp_helper_conf_data.set('PTP_HELPER_SETUID_USER', 'None')
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endif
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ptp_helper_setuid_group = get_option('ptp-helper-setuid-group')
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if ptp_helper_setuid_group != ''
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ptp_helper_conf_data.set('PTP_HELPER_SETUID_GROUP', 'Some("@0@")'.format(ptp_helper_setuid_group))
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else
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ptp_helper_conf_data.set('PTP_HELPER_SETUID_GROUP', 'None')
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endif
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# how to install gst-ptp-helper
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with_ptp_helper_permissions = get_option('ptp-helper-permissions')
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if with_ptp_helper_permissions == 'auto'
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if setcap_prog.found() and cap_dep.found()
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with_ptp_helper_permissions = 'capabilities'
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elif host_system == 'windows'
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with_ptp_helper_permissions = 'none'
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else
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with_ptp_helper_permissions = 'setuid-root'
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endif
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endif
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message('How to install gst-ptp-helper: ' + with_ptp_helper_permissions)
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if with_ptp_helper_permissions == 'none'
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rust_args += ['--cfg', 'ptp_helper_permissions="none"']
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# nothing to do
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elif with_ptp_helper_permissions == 'setuid-root'
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rust_args += ['--cfg', 'ptp_helper_permissions="setuid-root"']
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elif with_ptp_helper_permissions == 'capabilities'
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if not setcap_prog.found()
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error('capabilities-based ptp-helper-permissions requested, but could not find setcap tool.')
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elif not cap_dep.found()
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error('capabilities-based ptp-helper-permissions requested, but could not find libcap.')
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endif
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rust_args += ['--cfg', 'ptp_helper_permissions="setcap"']
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else
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error('Unexpected ptp helper permissions value: ' + with_ptp_helper_permissions)
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endif
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conf_lib_rs = configure_file(input : 'conf_lib.rs.in',
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output : 'conf_lib.rs',
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configuration: ptp_helper_conf_data)
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conf = static_library('gst_ptp_helper_conf', conf_lib_rs,
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override_options : ['rust_std=2018'],
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rust_crate_type : 'rlib')
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exe = executable('gst-ptp-helper', 'main.rs',
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override_options : ['rust_std=2018'],
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rust_args : ['-Cpanic=abort', rust_args],
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dependencies : [cap_dep],
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link_with : conf,
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install_dir : helpers_install_dir,
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install : true)
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exe_test = executable('gst-ptp-helper-test', 'main.rs',
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override_options : ['rust_std=2018'],
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rust_args : ['--test', rust_args],
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dependencies : [cap_dep],
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link_with : conf)
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test('gst-ptp-helper-test', exe_test, protocol : 'rust')
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if host_system != 'windows'
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meson.add_install_script('ptp_helper_post_install.sh',
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helpers_install_dir, with_ptp_helper_permissions,
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setcap_prog.found() ? setcap_prog.full_path() : '')
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endif
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meson.add_devenv({'GST_PTP_HELPER': exe.full_path()})
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