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Aegisub/meson.build
Myaamori 2c927bac32 meson: make --force-fallback-for=luajit work 
This option makes the dependency() call resolve to the subproject
which breaks the Lua 5.2 compatibility check.
This change just ignores the result of the dependency() call
if it resolves to the subproject and then re-fetches it
with a subproject() call later.
Alternatively we could explicitly handle the case where dependency()
resolves to the subproject, but that's just extra code for no
observable difference in behaviour.
2021-05-23 18:37:36 -04:00

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Meson
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project('Aegisub', ['c', 'cpp'],
license: 'BSD-3-Clause',
meson_version: '>=0.56.1',
default_options: ['cpp_std=c++11', 'buildtype=debugoptimized'],
version: '3.2.2')
cmake = import('cmake')
if host_machine.system() == 'windows'
add_project_arguments('-DNOMINMAX', '-D_WIN32_WINNT=0x0601', language: 'cpp')
if not get_option('csri').disabled()
add_global_arguments('-DCSRI_NO_EXPORT', language: 'c')
endif
sys_nasm = find_program('nasm', required: false)
if not sys_nasm.found()
nasm = subproject('nasm').get_variable('nasm')
meson.override_find_program('nasm', nasm)
endif
endif
if host_machine.system() == 'windows'
version_sh = find_program('tools/version.ps1')
else
version_sh = find_program('tools/version.sh')
endif
version_inc = include_directories('.')
version_h = custom_target('git_version.h',
command: [version_sh, meson.current_build_dir(), meson.current_source_dir()],
build_by_default: true,
build_always_stale: true, # has internal check whether target file will be refreshed
output: ['git_version.h'])
if host_machine.system() == 'darwin' and get_option('build_osx_bundle')
prefix = meson.current_build_dir() / 'Aegisub.app' / 'Contents'
bindir = prefix / 'MacOS'
datadir = prefix / 'SharedSupport'
localedir = prefix / 'Resources'
dataroot = datadir
else
prefix = get_option('prefix')
bindir = prefix / get_option('bindir')
datadir = prefix / get_option('datadir')
localedir = prefix / get_option('localedir')
dataroot = datadir / 'aegisub'
endif
docdir = prefix / 'doc'
# MSVC sets this automatically with -MDd, but it has a different meaning on other platforms
if get_option('debug') and host_machine.system() != 'windows'
add_project_arguments('-D_DEBUG', language: 'cpp')
endif
conf = configuration_data()
conf.set_quoted('P_DATA', dataroot)
conf.set_quoted('P_LOCALE', localedir)
if get_option('credit') != ''
conf.set_quoted('BUILD_CREDIT', get_option('credit'))
endif
conf.set('WITH_UPDATE_CHECKER', get_option('enable_update_checker'))
deps = []
deps_inc = []
if host_machine.system() == 'darwin'
add_languages('objc', 'objcpp')
add_project_arguments('-DGL_SILENCE_DEPRECATION', language: 'cpp')
# meson neither supports objcpp_std nor inherits cpp_std https://github.com/mesonbuild/meson/issues/5495
add_project_arguments('-std=c++11', language: 'objcpp')
elif host_machine.system() != 'windows'
conf.set('WITH_FONTCONFIG', 1)
deps += dependency('fontconfig')
endif
cxx = meson.get_compiler('cpp')
cc = meson.get_compiler('c')
deps += cc.find_library('m', required: false)
deps += cc.find_library('dl', required: false)
iconv_dep = cc.find_library('iconv', required: false)
if not (iconv_dep.found() or cc.has_function('iconv_open'))
iconv_sp = subproject('iconv') # this really needs to be replaced with a proper port
iconv_dep = iconv_sp.get_variable('libiconv_dep')
endif
deps += iconv_dep
deps += dependency('libass', version: '>=0.9.7',
fallback: ['libass', 'libass_dep'])
boost_modules = ['chrono', 'filesystem', 'thread', 'locale', 'regex']
if not get_option('local_boost')
boost_dep = dependency('boost', version: '>=1.50.0',
modules: boost_modules + ['system'],
required: false,
static: get_option('default_library') == 'static')
endif
if get_option('local_boost') or not boost_dep.found()
boost_dep = []
boost = subproject('boost')
foreach module: boost_modules
boost_dep += boost.get_variable('boost_' + module + '_dep')
endforeach
endif
deps += boost_dep
if host_machine.system() == 'windows'
conf.set('BOOST_USE_WINDOWS_H', 1)
endif
deps += dependency('zlib')
wx_minver = '>=' + get_option('wx_version')
if host_machine.system() == 'darwin'
wx_minver = '>=3.1.0'
endif
wx_dep = dependency('wxWidgets', version: wx_minver,
required: false,
modules: ['std', 'stc', 'gl'])
if wx_dep.found()
deps += wx_dep
else
build_shared = 'ON'
if get_option('default_library') == 'static'
build_shared = 'OFF'
endif
build_type = 'Release'
if get_option('buildtype') == 'debug'
build_type = 'Debug'
endif
wx = cmake.subproject('wxWidgets', cmake_options: ['-DwxBUILD_INSTALL=OFF',
'-DwxBUILD_PRECOMP=OFF', # otherwise breaks project generation w/ meson
'-DwxBUILD_SHARED=@0@'.format(build_shared),
'-DwxUSE_WEBVIEW=OFF', # breaks build on linux
'-DCMAKE_BUILD_TYPE=@0@'.format(build_type),
'-DwxUSE_IMAGE=ON',
'-DwxBUILD_MONOLITHIC=ON']) # otherwise breaks project generation w/ meson
deps += [
wx.dependency('wxmono'),
wx.dependency('wxregex'),
wx.dependency('wxscintilla')
]
if host_machine.system() == 'windows' or host_machine.system() == 'darwin'
deps += [
wx.dependency('wxpng'),
]
endif
if host_machine.system() == 'windows'
deps += [
wx.dependency('wxzlib'),
wx.dependency('wxexpat'),
]
if cc.has_header('rpc.h')
deps += cc.find_library('rpcrt4', required: true)
else
error('Missing Windows SDK RPC Library (rpc.h / rpcrt4.lib)')
endif
if cc.has_header('commctrl.h')
deps += cc.find_library('comctl32', required: true)
else
error('Missing Windows SDK Common Controls Library (commctrl.h / comctl32.lib)')
endif
endif
endif
deps += dependency('icu-uc', version: '>=4.8.1.1')
deps += dependency('icu-i18n', version: '>=4.8.1.1')
dep_avail = []
foreach dep: [
# audio, in order of precedence
['libpulse', '', 'PulseAudio', []],
['alsa', '', 'ALSA', []],
['portaudio-2.0', '', 'PortAudio', []],
['openal', '>=0.0.8', 'OpenAL', []],
# video
['ffms2', '>=2.22', 'FFMS2', ['ffms2', 'ffms2_dep']],
# other
['fftw3', '', 'FFTW3', []],
['hunspell', '', 'Hunspell', ['hunspell', 'hunspell_dep']],
['uchardet', '', 'uchardet', ['uchardet', 'uchardet_dep']],
]
dep_version = dep[1] != '' ? dep[1] : '>=0'
# [provide] section is ignored if required is false;
# must provided define fallback explicitly
# (with meson 0.56 you can do allow_fallback: true):
#d = dependency(dep[0], version: dep_version,
# required: false, allow_fallback: true)
if dep[3].length() > 0
d = dependency(dep[0], version: dep_version, fallback: dep[3])
else
d = dependency(dep[0], version: dep_version, required: false)
endif
optname = dep[0].split('-')[0]
if d.found() and not get_option(optname).disabled()
deps += d
conf.set('WITH_@0@'.format(dep[0].split('-')[0].to_upper()), 1)
dep_avail += dep[2]
elif get_option(optname).enabled()
error('@0@ enabled but not found'.format(dep[2]))
endif
endforeach
if host_machine.system() == 'windows' and get_option('avisynth').enabled()
conf.set('WITH_AVISYNTH', 1) # bundled separately with installer
endif
if host_machine.system() == 'windows' and not get_option('directsound').disabled()
dsound_dep = cc.find_library('dsound', required: get_option('directsound'))
winmm_dep = cc.find_library('winmm', required: get_option('directsound'))
ole32_dep = cc.find_library('ole32', required: get_option('directsound'))
have_dsound_h = cc.has_header('dsound.h')
if not have_dsound_h and get_option('directsound').enabled()
error('DirectSound enabled but dsound.h not found')
endif
dxguid_dep = cc.find_library('dxguid', required: true)
if dsound_dep.found() and winmm_dep.found() and ole32_dep.found() and dxguid_dep.found() and have_dsound_h
deps += [dsound_dep, winmm_dep, ole32_dep, dxguid_dep]
conf.set('WITH_DIRECTSOUND', 1)
dep_avail += 'DirectSound'
endif
endif
if host_machine.system() == 'darwin'
frameworks_dep = dependency('appleframeworks', modules : ['CoreText', 'CoreFoundation', 'AppKit', 'Carbon', 'IOKit'])
deps += frameworks_dep
endif
# TODO: OSS
def_audio = get_option('default_audio_output')
if def_audio != 'auto'
if not dep_avail.contains(def_audio)
error('Default audio output "@0@" selected but not available'.format(def_audio))
endif
elif dep_avail.length() != 0
def_audio = dep_avail[0]
else
def_audio = ''
endif
conf_platform = configuration_data()
conf_platform.set('DEFAULT_PLAYER_AUDIO', def_audio)
luajit = dependency('luajit', version: '>=2.0.0', required: get_option('system_luajit'))
if luajit.found() and luajit.type_name() != 'internal'
luajit_test = cc.run('''#include <lauxlib.h>
int main(void)
{
lua_State *L = luaL_newstate();
if (!L) return 1;
// This is valid in lua 5.2, but a syntax error in 5.1
const char testprogram[] = "function foo() while true do break return end end";
return luaL_loadstring(L, testprogram) == LUA_ERRSYNTAX;
}''', dependencies: luajit)
if luajit_test.returncode() == 1
if get_option('system_luajit')
error('System luajit found but not compiled in 5.2 mode')
else
message('System luajit found but not compiled in 5.2 mode; using built-in luajit')
endif
else
deps += luajit
endif
else
message('System luajit not found; using built-in luajit')
endif
if not deps.contains(luajit)
luajit_sp = subproject('luajit')
luajit_inc = luajit_sp.get_variable('src_inc')
deps += luajit_sp.get_variable('luajit_dep')
else
luajit_inc = include_directories(luajit.get_pkgconfig_variable('includedir'))
endif
subdir('subprojects/luabins/src')
dep_gl = dependency('gl', required: false)
if not dep_gl.found()
if host_machine.system() == 'windows'
dep_gl = cc.find_library('opengl32', required: false)
else
dep_gl = cc.find_library('GL', required: false)
endif
if not cc.has_header('GL/gl.h')
dep_gl = dependency('', required: false)
endif
endif
if host_machine.system() == 'darwin'
conf.set('HAVE_OPENGL_GL_H', 1)
endif
if not dep_gl.found()
error('OpenGL implementation not found')
endif
deps += dep_gl
if not get_option('csri').disabled() and host_machine.system() == 'windows'
conf.set('WITH_CSRI', 1)
csri_sp = subproject('csri')
deps += csri_sp.get_variable('csri_dep')
endif
acconf = configure_file(output: 'acconf.h', configuration: conf)
subdir('automation')
subdir('libaegisub')
subdir('packages')
subdir('po')
subdir('src')
aegisub_cpp_pch = ['src/include/agi_pre.h']
aegisub_c_pch = ['src/include/agi_pre_c.h']
aegisub = executable('aegisub', aegisub_src, version_h, acconf,
link_with: [libresrc, libluabins, libaegisub],
include_directories: [libaegisub_inc, libresrc_inc, version_inc, deps_inc, include_directories('src')],
cpp_pch: aegisub_cpp_pch,
c_pch: aegisub_c_pch,
install: true,
install_dir: bindir,
dependencies: deps,
win_subsystem: 'windows')
if host_machine.system() == 'windows'
mt_exe = find_program('mt.exe')
apply_manifest = find_program(meson.project_source_root() / 'tools/apply-manifest.py')
custom_target('apply-manifest',
input: aegisub,
output: 'applied_manifest',
command: [apply_manifest, mt_exe, '@INPUT@'],
build_by_default: true)
endif
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