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project('cppgir',
['c', 'cpp'],
meson_version : '>= 0.61',
version : '2.0.0',
default_options : [
'warning_level=2',
'cpp_std=c++17'
]
)
message('meson system only considers generator and includes',
'\n\tsee CMake build for full build including examples')
compiler = meson.get_compiler('cpp')
foreach arg : ['-Wnon-virtual-dtor']
if compiler.has_argument(arg)
add_project_arguments(arg, language: 'cpp')
endif
endforeach
# generator binary
# dependencies
boost_dep = dependency('boost', version : '>=1.58', required : true)
# fmtlib
fmtlib_dep = dependency('fmt', required : false)
if not fmtlib_dep.found()
# fallback for old version without pkg-config
fmtlib_dep = compiler.find_library('fmt', has_headers : ['fmt/format.h'], required : false)
endif
# check C++20 format
has_format = compiler.compiles(files('cmake/cpp20_format.cpp'),
args : ['-std=c++20'],
name : 'std::format check'
)
# check and decide on which fmt to use
use_fmtlib = 'none'
build_fmt = get_option('build_fmt')
if build_fmt == 'auto'
if fmtlib_dep.found()
use_fmtlib = '1'
elif has_format
use_fmtlib = '0'
endif
elif build_fmt == 'fmtlib' and fmtlib_dep.found()
use_fmtlib = '1'
elif build_fmt == 'stdformat' and has_format
use_fmtlib = '0'
endif
if use_fmtlib == 'none'
error('no format library found')
endif
# required ignore file
fs = import('fs')
gi_ignore_file_dir = 'data'
gi_ignore_file = 'cppgir.ignore'
cppgir_ignore = fs.read('data/cppgir.ignore')
if host_machine.system() == 'windows'
gi_ignore_file_platform = 'cppgir_win.ignore'
cppgir_win_ignore = fs.read('data/cppgir_win.ignore')
cppgir_unix_ignore = ''
else
gi_ignore_file_platform = 'cppgir_unix.ignore'
cppgir_unix_ignore = fs.read('data/cppgir_unix.ignore')
cppgir_win_ignore = ''
endif
gi_install_full_datadir = \
'@0@/@1@'.format(get_option('prefix'), get_option('datadir'))
gi_ignore_file_install_dir = \
'@0@/@1@'.format(gi_install_full_datadir, meson.project_name())
cppgir_sources = [
'tools/cppgir.cpp',
'tools/genbase.cpp', 'tools/genbase.hpp',
'tools/genns.cpp', 'tools/genns.hpp',
'tools/genutils.cpp', 'tools/genutils.hpp',
'tools/function.cpp', 'tools/function.hpp',
'tools/repository.cpp', 'tools/repository.hpp',
'tools/common.hpp'
]
cppgir_deps = [boost_dep]
cppgir_overrides = []
cppgir_args = []
# adjust to options and situation
if use_fmtlib.to_int() > 0
cppgir_deps += [fmtlib_dep]
else
cppgir_overrides = ['cpp_std=c++20']
endif
if get_option('build_embed_ignore')
# generate embedded ignore data
conf_data = configuration_data()
conf_data.set('CPPGIR_IGNORE', cppgir_ignore)
conf_data.set('CPPGIR_UNIX_IGNORE', cppgir_unix_ignore)
conf_data.set('CPPGIR_WIN_IGNORE', cppgir_win_ignore)
configure_file(configuration : conf_data,
input : 'tools/ignore.hpp.in', output : 'ignore.hpp')
else
install_data(gi_ignore_file_dir / gi_ignore_file,
gi_ignore_file_dir / gi_ignore_file_platform,
install_dir : gi_ignore_file_install_dir)
cppgir_args += \
[f'-DDEFAULT_IGNORE_FILE=@gi_ignore_file_install_dir@/@gi_ignore_file@:@gi_ignore_file_install_dir@/@gi_ignore_file_platform@']
endif
# gir search path
if host_machine.system() != 'windows'
# add fixed fallback search places
cppgir_args += [
f'-DGI_DATA_DIR=@gi_install_full_datadir@/gir-1.0',
]
gir_dir = get_option('gir_dir')
if gir_dir != ''
cppgir_args += [f'-DGI_GIR_DIR=@gir_dir@']
endif
gir_default_dirs = get_option('gir_default_dirs')
if gir_default_dirs != ''
cppgir_args += [f'-DDEFAULT_GIRPATH=@gir_default_dirs@']
endif
endif
if get_option('link_stdfs')
# some older gcc might sometimes (?) need this, even in c++17 mode
# see issue #80
fs_dep = compiler.find_library('stdc++fs')
cppgir_deps += [fs_dep]
endif
cppgir = executable('cppgir',
cppgir_sources,
cpp_args : cppgir_args,
dependencies : cppgir_deps,
install : true,
override_options : cppgir_overrides
)
meson.override_find_program('cppgir', cppgir)
# gi headers
expected_code = '''#include <expected>
auto f() -> std::expected<int, int> { return 2; }
'''
has_expected = compiler.compiles(expected_code, name : 'std::expected check')
pkgconfig = import('pkgconfig')
pkgconfig.generate(name: 'cppgir',
version : meson.project_version(),
subdirs : ['cppgir', 'cppgir' / 'override'],
description : 'GObject Introspection C++ wrapper generator.'
)
install_subdir('gi', install_dir : 'include' / 'cppgir')
install_subdir('override', install_dir : 'include' / 'cppgir')
inc = include_directories('.', 'override')
if not has_expected
expected_lite_include = 'expected-lite' / 'include'
if not fs.exists(expected_lite_include / 'nonstd' / 'expected.hpp')
error('missing submodule expected-lite')
endif
# Add an include option and copy the directory is all we have to do.
# cppgir will automatically switch to `nonstd/expected.hpp` if it exists.
inc = [inc] + include_directories(expected_lite_include)
install_subdir(expected_lite_include / 'nonstd',
install_dir : 'include' / 'cppgir' / 'gi')
endif
cppgir_dep = declare_dependency(include_directories: inc)
meson.override_dependency('cppgir', cppgir_dep)
# manpage
ronn = find_program('ronn', native : true, required : false)
if not ronn.found()
message('ronn manpage processor not found; not building manpage')
elif get_option('build_doc')
message('building manpage')
manpage = 'cppgir.1'
custom_target(manpage, command : [ronn, '--roff', '--pipe', '@INPUT@'],
capture : true, input : ['docs/cppgir.md'], output : manpage,
install : true, install_dir : join_paths(get_option('mandir'), 'man1'))
endif
# documentation, including examples
docdir = get_option('datadir') / 'doc' / 'cppgir'
install_data('README.md', 'docs/cppgir.md', install_dir : docdir)
install_subdir('examples', install_dir : docdir)
|
