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project('wbg', 'c',
version: '1.2.0',
license: 'MIT',
meson_version: '>=0.58.0',
default_options: [
'c_std=c18',
'warning_level=1',
'werror=true',
'b_ndebug=if-release'])
is_debug_build = get_option('buildtype').startswith('debug')
add_project_arguments(
['-D_POSIX_C_SOURCE=200809L', '-D_GNU_SOURCE'] +
(is_debug_build ? ['-D_DEBUG'] : []),
language: 'c',
)
cc = meson.get_compiler('c')
# Compute the relative path used by compiler invocations.
source_root = meson.current_source_dir().split('/')
build_root = meson.global_build_root().split('/')
relative_dir_parts = []
i = 0
in_prefix = true
foreach p : build_root
if i >= source_root.length() or not in_prefix or p != source_root[i]
in_prefix = false
relative_dir_parts += '..'
endif
i += 1
endforeach
i = 0
in_prefix = true
foreach p : source_root
if i >= build_root.length() or not in_prefix or build_root[i] != p
in_prefix = false
relative_dir_parts += p
endif
i += 1
endforeach
relative_dir = join_paths(relative_dir_parts) + '/'
if cc.has_argument('-fmacro-prefix-map=/foo=')
add_project_arguments('-fmacro-prefix-map=@0@='.format(relative_dir), language: 'c')
endif
math = cc.find_library('m')
pixman = dependency('pixman-1')
system_nanosvg = cc.find_library('nanosvg', required: get_option('system-nanosvg'))
system_nanosvgrast = cc.find_library('nanosvgrast', required: get_option('system-nanosvg'))
png = dependency('libpng', required: get_option('png'))
jpg = dependency('libjpeg', required: get_option('jpeg'))
webp = dependency('libwebp', required: get_option('webp'))
jxl = dependency('libjxl', required: get_option('jxl'))
jxl_threads = dependency('libjxl_threads', required: false)
if system_nanosvg.found() and system_nanosvgrast.found()
svg = declare_dependency(
dependencies: [system_nanosvg, system_nanosvgrast, math]
)
svg_lib = 'nanosvg (system)'
else
svg = declare_dependency(
sources: ['nanosvg.c', '3rd-party/nanosvg/src/nanosvg.h',
'nanosvgrast.c', '3rd-party/nanosvg/src/nanosvgrast.h'],
include_directories: '.',
dependencies: math,
)
svg_lib = 'nanosvg (bundled)'
endif
have_svg = get_option('svg')
if not png.found() and not jpg.found() and not jxl.found() and not webp.found() and not have_svg
error('you must enable at least one image format')
endif
if png.found()
add_project_arguments('-DWBG_HAVE_PNG=1', language: 'c')
endif
if jpg.found()
add_project_arguments('-DWBG_HAVE_JPG=1', language:'c')
endif
if webp.found()
add_project_arguments('-DWBG_HAVE_WEBP=1', language:'c')
endif
if have_svg
add_project_arguments('-DWBG_HAVE_SVG=1', language:'c')
endif
if jxl.found()
add_project_arguments('-DWBG_HAVE_JXL=1', language:'c')
if jxl_threads.found()
add_project_arguments('-DWBG_HAVE_JXL_THREADS=1', language:'c')
endif
else
jxl_threads = dependency('', required: false)
endif
wayland_protocols = dependency('wayland-protocols')
wayland_client = dependency('wayland-client')
tllist = dependency('tllist', version: '>=1.0.1', fallback: 'tllist')
wayland_protocols_datadir = wayland_protocols.get_variable('pkgdatadir')
wscanner = dependency('wayland-scanner', native: true)
wscanner_prog = find_program(
wscanner.get_variable('wayland_scanner'), native: true)
wl_proto_headers = []
wl_proto_src = []
foreach prot : [
'external/wlr-layer-shell-unstable-v1.xml',
wayland_protocols_datadir + '/stable/xdg-shell/xdg-shell.xml']
wl_proto_headers += custom_target(
prot.underscorify() + '-client-header',
output: '@BASENAME@.h',
input: prot,
command: [wscanner_prog, 'client-header', '@INPUT@', '@OUTPUT@'])
wl_proto_src += custom_target(
prot.underscorify() + '-private-code',
output: '@BASENAME@.c',
input: prot,
command: [wscanner_prog, 'private-code', '@INPUT@', '@OUTPUT@'])
endforeach
env = find_program('env', native: true)
generate_version_sh = files('generate-version.sh')
version = custom_target(
'generate_version',
build_always_stale: true,
output: 'version.h',
command: [env, 'LC_ALL=C', generate_version_sh, meson.project_version(), '@CURRENT_SOURCE_DIR@', '@OUTPUT@'])
image_format_sources = []
if png.found()
image_format_sources += ['png.c', 'png-wbg.h']
endif
if jpg.found()
image_format_sources += ['jpg.c', 'jpg.h']
endif
if jxl.found()
image_format_sources += ['jxl.c', 'jxl.h']
endif
if webp.found()
image_format_sources += ['webp.c', 'webp.h']
endif
if have_svg
image_format_sources += ['svg.c', 'svg.h']
endif
executable(
'wbg',
'main.c',
'log.c', 'log.h',
'shm.c', 'shm.h',
'stride.h',
'wbg-features.h',
image_format_sources,
wl_proto_src + wl_proto_headers, version,
dependencies: [pixman, png, jpg, jxl, jxl_threads, webp, svg, wayland_client, tllist],
install: true)
summary(
{
'PNG support': png.found(),
'JPEG support': jpg.found(),
'JPEG XL support': jxl.found(),
'WebP support': webp.found(),
'SVG support': have_svg ? svg_lib : false,
},
bool_yn: true
)
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