mirror of
				https://gitlab.freedesktop.org/wlroots/wlroots.git
				synced 2025-11-03 09:01:40 -05:00 
			
		
		
		
	Attempting to build with Meson 1.3.2 (current version in Ubuntu 24.04 LTS) gives the following error:
    meson.build:1:0: ERROR: Unknown C std ['c23'].
This is because C23 support was not added until Meson 1.4.0.
See:
https://github.com/mesonbuild/meson/blob/1.3.2/mesonbuild/compilers/c.py#L59
https://github.com/mesonbuild/meson/blob/1.4.0/mesonbuild/compilers/c.py#L49
		
	
			
		
			
				
	
	
		
			181 lines
		
	
	
	
		
			3.9 KiB
		
	
	
	
		
			Meson
		
	
	
	
	
	
			
		
		
	
	
			181 lines
		
	
	
	
		
			3.9 KiB
		
	
	
	
		
			Meson
		
	
	
	
	
	
project(
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	'wlroots',
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	'c',
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	version: '0.19.0-dev',
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	license: 'MIT',
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	meson_version: '>=1.3',
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	default_options: [
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		'c_std=' + (meson.version().version_compare('>=1.4.0') ? 'c23,c11' : 'c11'),
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		'warning_level=2',
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		'werror=true',
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	],
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)
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version = meson.project_version().split('-')[0]
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version_major = version.split('.')[0]
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version_minor = version.split('.')[1]
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versioned_name = '@0@-@1@.@2@'.format(meson.project_name(), version_major, version_minor)
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little_endian = target_machine.endian() == 'little'
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big_endian = target_machine.endian() == 'big'
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add_project_arguments([
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	'-D_POSIX_C_SOURCE=200809L',
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	'-DWLR_USE_UNSTABLE',
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	'-DWLR_LITTLE_ENDIAN=@0@'.format(little_endian.to_int()),
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	'-DWLR_BIG_ENDIAN=@0@'.format(big_endian.to_int()),
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], language: 'c')
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cc = meson.get_compiler('c')
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add_project_arguments(cc.get_supported_arguments([
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	'-Wundef',
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	'-Wlogical-op',
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	'-Wmissing-include-dirs',
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	'-Wold-style-definition',
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	'-Wpointer-arith',
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	'-Winit-self',
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	'-Wstrict-prototypes',
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	'-Wimplicit-fallthrough=2',
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	'-Wendif-labels',
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	'-Wstrict-aliasing=2',
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	'-Woverflow',
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	'-Wmissing-prototypes',
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	'-Walloca',
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	'-Wno-missing-braces',
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	'-Wno-missing-field-initializers',
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	'-Wno-unused-parameter',
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]), language: 'c')
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fs = import('fs')
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# Strip relative path prefixes from the code if possible, otherwise hide them.
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relative_dir = fs.relative_to(meson.current_source_dir(), meson.global_build_root()) + '/'
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if cc.has_argument('-fmacro-prefix-map=/prefix/to/hide=')
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	add_project_arguments(
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		'-fmacro-prefix-map=@0@='.format(relative_dir),
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		language: 'c',
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	)
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else
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	add_project_arguments(
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		'-D_WLR_REL_SRC_DIR="@0@"'.format(relative_dir),
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		language: 'c',
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	)
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endif
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features = {
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	'drm-backend': false,
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	'x11-backend': false,
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	'libinput-backend': false,
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	'xwayland': false,
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	'gles2-renderer': false,
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	'vulkan-renderer': false,
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	'gbm-allocator': false,
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	'session': false,
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	'color-management': false,
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}
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internal_features = {
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	'xcb-errors': false,
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	'egl': false,
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	'libliftoff': false,
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}
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internal_config = configuration_data()
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wayland_project_options = ['tests=false', 'documentation=false']
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wayland_server = dependency('wayland-server',
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	version: '>=1.23',
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	fallback: 'wayland',
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	default_options: wayland_project_options,
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)
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drm = dependency('libdrm',
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	version: '>=2.4.122',
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	fallback: 'libdrm',
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	default_options: [
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		'auto_features=disabled',
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		'tests=false',
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	],
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)
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xkbcommon = dependency(
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	'xkbcommon',
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	fallback: 'libxkbcommon',
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	default_options: [
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		'enable-tools=false',
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		'enable-x11=false',
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		'enable-docs=false',
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		'enable-xkbregistry=false',
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	],
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)
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pixman = dependency('pixman-1',
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	version: '>=0.42.0',
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	fallback: 'pixman',
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	default_options: ['werror=false'],
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)
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math = cc.find_library('m')
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rt = cc.find_library('rt')
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wlr_files = []
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wlr_deps = [
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	wayland_server,
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	drm,
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	xkbcommon,
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	pixman,
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	math,
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	rt,
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]
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subdir('protocol')
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subdir('render')
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subdir('backend')
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subdir('types')
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subdir('util')
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subdir('xcursor')
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subdir('xwayland')
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subdir('include')
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wlr_inc = include_directories('include')
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symbols_file = 'wlroots.syms'
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symbols_flag = '-Wl,--version-script,@0@/@1@'.format(meson.current_source_dir(), symbols_file)
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lib_wlr = library(
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	versioned_name, wlr_files,
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	dependencies: wlr_deps,
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	include_directories: [wlr_inc],
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	install: true,
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	link_args: symbols_flag,
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	link_depends: symbols_file,
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)
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wlr_vars = {}
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foreach name, have : features
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	wlr_vars += { 'have_' + name.underscorify(): have.to_string() }
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endforeach
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wlroots = declare_dependency(
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	link_with: lib_wlr,
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	dependencies: wlr_deps,
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	include_directories: wlr_inc,
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	variables: wlr_vars,
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)
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meson.override_dependency(versioned_name, wlroots)
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summary(features + internal_features, bool_yn: true)
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if get_option('examples')
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	subdir('examples')
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	subdir('tinywl')
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endif
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pkgconfig = import('pkgconfig')
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pkgconfig.generate(
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	lib_wlr,
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	name: versioned_name,
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	description: 'Wayland compositor library',
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	subdirs: versioned_name,
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	url: 'https://gitlab.freedesktop.org/wlroots/wlroots',
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	variables: wlr_vars,
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)
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