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Diffstat (limited to 'meson.build')
| -rw-r--r-- | meson.build | 373 |
1 files changed, 373 insertions, 0 deletions
diff --git a/meson.build b/meson.build new file mode 100644 index 0000000..aa9963f --- /dev/null +++ b/meson.build @@ -0,0 +1,373 @@ +# Copyright 2021-2022 David Robillard <d@drobilla.net> +# SPDX-License-Identifier: 0BSD OR ISC + +project( + 'lv2', + ['c'], + default_options: [ + 'b_ndebug=if-release', + 'buildtype=release', + 'c_std=c99', + ], + license: 'ISC', + meson_version: '>= 0.56.0', + version: '1.18.11', +) + +lv2_docdir = get_option('datadir') / 'doc' / 'lv2' +lv2_source_root = meson.current_source_dir() +lv2_build_root = meson.current_build_dir() + +####################### +# Compilers and Flags # +####################### + +# Required tools +pkg = import('pkgconfig') +pymod = import('python') +cc = meson.get_compiler('c') + +# Optional C++ compiler and Python tools for tests +if not get_option('tests').disabled() + if add_languages(['cpp'], native: false, required: get_option('tests')) + cpp = meson.get_compiler('cpp') + endif +endif + +# Set global warning flags +subdir('meson/suppressions') + +########################## +# LV2 Path Configuration # +########################## + +lv2dir = get_option('lv2dir') +if lv2dir == '' + prefix = get_option('prefix') + if target_machine.system() == 'darwin' and prefix == '/' + lv2dir = '/Library/Audio/Plug-Ins/LV2' + elif target_machine.system() == 'haiku' and prefix == '/' + lv2dir = '/boot/common/add-ons/lv2' + elif target_machine.system() == 'windows' and prefix == 'C:/' + lv2dir = 'C:/Program Files/Common Files/LV2' + else + lv2dir = prefix / get_option('libdir') / 'lv2' + endif +endif + +###################### +# Package/Dependency # +###################### + +# Generage pkg-config file for external dependants +pkg.generate( + description: 'Plugin standard for audio systems', + filebase: 'lv2', + name: 'LV2', + variables: [ + 'lv2dir=' + lv2dir, + 'plugindir=' + lv2dir, + ], + version: meson.project_version(), +) + +# Declare dependency for internal meson dependants +lv2_dep = declare_dependency( + include_directories: include_directories('include'), + variables: [ + 'lv2dir=' + lv2_source_root / 'lv2', + 'plugindir=' + lv2_build_root / 'plugins', + ], + version: meson.project_version(), +) + +# Override pkg-config dependency for internal meson dependants +meson.override_dependency('lv2', lv2_dep) + +################## +# Specifications # +################## + +# Extensions in http://lv2plug.in/ns/ext/ +ext_names = [ + 'atom', + 'buf-size', + 'data-access', + 'dynmanifest', + 'event', + 'instance-access', + 'log', + 'midi', + 'morph', + 'options', + 'parameters', + 'patch', + 'port-groups', + 'port-props', + 'presets', + 'resize-port', + 'state', + 'time', + 'uri-map', + 'urid', + 'worker', +] + +# Extensions in http://lv2plug.in/ns/extensions/ +extensions_names = [ + 'ui', + 'units', +] + +# All extensions (not core) in http://lv2plug.in/ns/ +all_extension_names = ext_names + extensions_names + +# All specifications in http://lv2plug.in/ns/ +all_spec_names = ['core'] + ext_names + extensions_names + +############### +# API Headers # +############### + +prefix = get_option('prefix') +includedir = get_option('includedir') + +install_subdir('include/lv2', install_dir: includedir) + +if get_option('old_headers') + uri_include_dir = prefix / includedir / 'lv2' / 'lv2plug.in' / 'ns' + include_prefix = 'include' / 'lv2' + + # Install the core headers specially, because they are inconsistent + + core_headers = files( + include_prefix / 'core' / 'attributes.h', + include_prefix / 'core' / 'lv2.h', + include_prefix / 'core' / 'lv2_util.h', + ) + + # Special case lv2.h is also in top-level include directory + install_headers(files(include_prefix / 'core' / 'lv2.h')) + + # Core headers are inconsistently in "lv2plug.in/ns/lv2core" + install_data(core_headers, install_dir: uri_include_dir / 'lv2core') + + # Some extensions are in "lv2plug.in/ns/ext" + foreach dir : ext_names + install_subdir( + include_prefix / dir, + install_dir: uri_include_dir / 'ext', + ) + endforeach + + # Some extensions are in "lv2plug.in/ns/extensions" + foreach dir : extensions_names + install_subdir( + include_prefix / dir, + install_dir: uri_include_dir / 'extensions', + ) + endforeach +endif + +####################### +# Scripts and Schemas # +####################### + +subdir('scripts') +subdir('schemas.lv2') + +################## +# Specifications # +################## + +lv2_check_specification = files('scripts' / 'lv2_check_specification.py') + +check_python = pymod.find_installation( + 'python3', + modules: ['rdflib'], + required: get_option('tests'), +) + +if ( + check_python.found() + and check_python.language_version().version_compare('<3.7') +) + warning('Python 3.7 is required for tests') + check_python = disabler() +endif + +foreach bundle_name : all_spec_names + bundle = 'lv2' / bundle_name + '.lv2' + + # Check specification + if check_python.found() + test( + bundle_name, + lv2_check_specification, + args: files(bundle / 'manifest.ttl'), + suite: ['spec'], + ) + endif + + # Install specification bundle + install_subdir(bundle, install_dir: lv2dir) +endforeach + +spec_files = files( + 'lv2/atom.lv2/atom.meta.ttl', + 'lv2/atom.lv2/atom.ttl', + 'lv2/atom.lv2/manifest.ttl', + 'lv2/buf-size.lv2/buf-size.meta.ttl', + 'lv2/buf-size.lv2/buf-size.ttl', + 'lv2/buf-size.lv2/manifest.ttl', + 'lv2/core.lv2/lv2core.meta.ttl', + 'lv2/core.lv2/lv2core.ttl', + 'lv2/core.lv2/manifest.ttl', + 'lv2/core.lv2/meta.ttl', + 'lv2/core.lv2/people.ttl', + 'lv2/data-access.lv2/data-access.meta.ttl', + 'lv2/data-access.lv2/data-access.ttl', + 'lv2/data-access.lv2/manifest.ttl', + 'lv2/dynmanifest.lv2/dynmanifest.meta.ttl', + 'lv2/dynmanifest.lv2/dynmanifest.ttl', + 'lv2/dynmanifest.lv2/manifest.ttl', + 'lv2/event.lv2/event.meta.ttl', + 'lv2/event.lv2/event.ttl', + 'lv2/event.lv2/manifest.ttl', + 'lv2/instance-access.lv2/instance-access.meta.ttl', + 'lv2/instance-access.lv2/instance-access.ttl', + 'lv2/instance-access.lv2/manifest.ttl', + 'lv2/log.lv2/log.meta.ttl', + 'lv2/log.lv2/log.ttl', + 'lv2/log.lv2/manifest.ttl', + 'lv2/midi.lv2/manifest.ttl', + 'lv2/midi.lv2/midi.meta.ttl', + 'lv2/midi.lv2/midi.ttl', + 'lv2/morph.lv2/manifest.ttl', + 'lv2/morph.lv2/morph.meta.ttl', + 'lv2/morph.lv2/morph.ttl', + 'lv2/options.lv2/manifest.ttl', + 'lv2/options.lv2/options.meta.ttl', + 'lv2/options.lv2/options.ttl', + 'lv2/parameters.lv2/manifest.ttl', + 'lv2/parameters.lv2/parameters.meta.ttl', + 'lv2/parameters.lv2/parameters.ttl', + 'lv2/patch.lv2/manifest.ttl', + 'lv2/patch.lv2/patch.meta.ttl', + 'lv2/patch.lv2/patch.ttl', + 'lv2/port-groups.lv2/manifest.ttl', + 'lv2/port-groups.lv2/port-groups.meta.ttl', + 'lv2/port-groups.lv2/port-groups.ttl', + 'lv2/port-props.lv2/manifest.ttl', + 'lv2/port-props.lv2/port-props.meta.ttl', + 'lv2/port-props.lv2/port-props.ttl', + 'lv2/presets.lv2/manifest.ttl', + 'lv2/presets.lv2/presets.meta.ttl', + 'lv2/presets.lv2/presets.ttl', + 'lv2/resize-port.lv2/manifest.ttl', + 'lv2/resize-port.lv2/resize-port.meta.ttl', + 'lv2/resize-port.lv2/resize-port.ttl', + 'lv2/state.lv2/manifest.ttl', + 'lv2/state.lv2/state.meta.ttl', + 'lv2/state.lv2/state.ttl', + 'lv2/time.lv2/manifest.ttl', + 'lv2/time.lv2/time.meta.ttl', + 'lv2/time.lv2/time.ttl', + 'lv2/ui.lv2/manifest.ttl', + 'lv2/ui.lv2/ui.meta.ttl', + 'lv2/ui.lv2/ui.ttl', + 'lv2/units.lv2/manifest.ttl', + 'lv2/units.lv2/units.meta.ttl', + 'lv2/units.lv2/units.ttl', + 'lv2/uri-map.lv2/manifest.ttl', + 'lv2/uri-map.lv2/uri-map.meta.ttl', + 'lv2/uri-map.lv2/uri-map.ttl', + 'lv2/urid.lv2/manifest.ttl', + 'lv2/urid.lv2/urid.meta.ttl', + 'lv2/urid.lv2/urid.ttl', + 'lv2/worker.lv2/manifest.ttl', + 'lv2/worker.lv2/worker.meta.ttl', + 'lv2/worker.lv2/worker.ttl', +) + +################# +# Documentation # +################# + +# Determine if all the dependencies for building documentation are present +doxygen = find_program('doxygen', required: get_option('docs')) +build_docs = false +build_lv2specgen = false +doc_deps = [] +if not get_option('docs').disabled() + doc_python_modules = ['lxml', 'markdown', 'pygments', 'rdflib'] + + python = pymod.find_installation( + 'python3', + modules: doc_python_modules, + required: get_option('docs'), + ) + + if python.found() and python.language_version().version_compare('<3.7') + warning('Python 3.7 is required for documentation') + build_docs = false + endif + + build_docs = doxygen.found() and python.found() + build_lv2specgen = python.found() +endif + +# Run Doxygen first to generate tags +subdir('doc/c') + +# Set up lv2specgen and lv2specgen_command_prefix (which references tags) +if build_lv2specgen + subdir('lv2specgen') +endif + +# Generate specification documentation +if build_docs + subdir('doc/style') + subdir('doc/ns') +endif + +########### +# Plugins # +########### + +# Example plugins and "Programming LV2 Plugins" book +if not get_option('plugins').disabled() + subdir('plugins') +endif + +############ +# Programs # +############ + +# Command-line utilities +subdir('util') + +# Data and build tests +if not get_option('tests').disabled() + subdir('test') +endif + +if not meson.is_subproject() + summary( + { + 'Tests': not get_option('tests').disabled(), + 'Documentation': build_docs, + }, + bool_yn: true, + section: 'Components', + ) + + summary( + { + 'Install prefix': get_option('prefix'), + 'Headers': get_option('prefix') / get_option('includedir'), + 'LV2 bundles': lv2dir, + }, + section: 'Directories', + ) +endif |