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project('picom', 'c', version: '13',
default_options: ['c_std=c11', 'warning_level=1'])
cc = meson.get_compiler('c')
# use git describe if that's available
git = find_program('git', required: false)
if git.found()
gitv = run_command('git', 'rev-parse', '--short=7', 'HEAD', check: false)
if gitv.returncode() == 0
commit_hash_short = gitv.stdout().strip()
endif
git_upstream = run_command('git', 'rev-parse', '--abbrev-ref', '--symbolic-full-name', '@{upstream}', check: false)
if git_upstream.returncode() == 0
remote = git_upstream.stdout().strip().split('/')[0]
else
remote = 'origin'
endif
git_repository = run_command('git', 'remote', 'get-url', remote, check: false)
if git_repository.returncode() == 0
repository = git_repository.stdout().strip()
endif
endif
add_global_arguments('-DPICOM_VERSION="v'+meson.project_version()+'"', language: 'c')
if is_variable('repository')
add_global_arguments('-DPICOM_FULL_VERSION="v'+meson.project_version()+' ('+repository+' revision '+commit_hash_short+')"', language: 'c')
elif is_variable('commit_hash_short')
add_global_arguments('-DPICOM_FULL_VERSION="v'+meson.project_version()+' (revision '+commit_hash_short+')"', language: 'c')
else
add_global_arguments('-DPICOM_FULL_VERSION="v'+meson.project_version()+'"', language: 'c')
endif
if get_option('buildtype') == 'release'
add_global_arguments('-DNDEBUG', language: 'c')
endif
if get_option('sanitize')
sanitizers = ['address', 'undefined']
if cc.has_argument('-fsanitize=integer')
sanitizers += ['integer']
endif
if cc.has_argument('-fsanitize=nullability')
sanitizers += ['nullability']
endif
add_global_arguments('-fsanitize='+','.join(sanitizers), language: 'c')
add_global_link_arguments('-fsanitize='+','.join(sanitizers), language: 'c')
if cc.has_argument('-fno-sanitize=unsigned-integer-overflow')
add_global_arguments('-fno-sanitize=unsigned-integer-overflow', language: 'c')
endif
if cc.has_argument('-fno-sanitize=unsigned-shift-base')
# uthash does a lot of this
add_global_arguments('-fno-sanitize=unsigned-shift-base', language: 'c')
endif
endif
if get_option('llvm_coverage')
if cc.get_id() != 'clang'
error('option \'llvm_coverage\' requires clang')
endif
coverage_flags = ['-fprofile-instr-generate', '-fcoverage-mapping']
add_global_arguments(coverage_flags, language: 'c')
add_global_link_arguments(coverage_flags, language: 'c')
endif
if get_option('modularize')
if not cc.has_argument('-fmodules')
error('option \'modularize\' requires clang')
endif
add_global_arguments(['-fmodules',
'-fmodule-map-file='+
meson.current_source_dir()+
'/src/picom.modulemap'],
language: 'c')
endif
add_global_arguments('-D_GNU_SOURCE', language: 'c')
if cc.has_header('stdc-predef.h')
add_global_arguments('-DHAS_STDC_PREDEF_H', language: 'c')
endif
if get_option('warning_level') != '0'
warns = [ 'cast-function-type', 'ignored-qualifiers', 'missing-parameter-type',
'nonnull', 'shadow', 'no-type-limits', 'old-style-declaration', 'override-init',
'sign-compare', 'type-limits', 'uninitialized', 'shift-negative-value',
'unused-but-set-parameter', 'unused-parameter', 'implicit-fallthrough=2',
'no-unknown-warning-option', 'no-missing-braces', 'conversion', 'empty-body',
'no-c2x-extensions' ]
bad_warns_ubsan = [
'no-format-overflow' # see gcc bug 87884, enabling UBSAN makes gcc spit out spurious warnings
# (if you saw this comment, went and checked gcc bugzilla, and found out
# bug has been fixed, please open a PR to remove this).
]
if get_option('b_sanitize').contains('undefined') and cc.get_id() == 'gcc'
warns = warns + bad_warns_ubsan
endif
foreach w : warns
if cc.has_argument('-W'+w)
add_global_arguments('-W'+w, language: 'c')
endif
endforeach
endif
test_h_dep = subproject('test.h').get_variable('test_h_dep')
subdir('src')
subdir('man')
subdir('tools')
subdir('include')
install_data('bin/picom-trans', install_dir: get_option('bindir'))
install_data('picom.desktop', install_dir: 'share/applications')
install_data('picom.desktop', install_dir: get_option('sysconfdir') / 'xdg' / 'autostart')
pkgconf = import('pkgconfig')
picom_pc = pkgconf.generate(
name: 'picom-api',
description: 'picom API headers',
requires: [ 'pixman-1', 'xcb' ],
subdirs: 'picom',
)
if get_option('compton')
install_data('compton.desktop', install_dir: 'share/applications')
install_data('media/icons/48x48/compton.png',
install_dir: 'share/icons/hicolor/48x48/apps')
install_data('media/compton.svg',
install_dir: 'share/icons/hicolor/scalable/apps')
meson.add_install_script('meson/install.sh')
endif
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