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taisei/meson.build
Andrei Alexeyev bd5bcf7b03
Lower minimum meson version back to 0.45.0 
Note that some configurations (e.g. an emscripten build) will definitely
fail on this version. The minimum recommended version is 0.48.0, and a
warning will be printed if using something older.
2019-03-12 02:05:35 +02:00

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project('taisei', 'c',
license : 'MIT',
version : 'v1.3-dev',
meson_version : '>=0.45.0',
default_options : [
'c_std=c11',
# You may want to change these for a debug build dir
'buildtype=release',
'strip=true',
'b_lto=true',
'b_ndebug=if-release',
]
)
minimum_recommended_meson_version = '0.48.0'
if meson.version().version_compare('<@0@'.format(minimum_recommended_meson_version))
warning('Old Meson version detected. Try upgrading to at least @0@ if the build fails.'.format(minimum_recommended_meson_version))
endif
cc = meson.get_compiler('c')
python3 = import('python3').find_python()
macos_app_bundle = get_option('macos_bundle') and host_machine.system() == 'darwin'
subdir('scripts')
config = configuration_data()
taisei_c_args = [
'-Wall',
'-Wpedantic',
'-Werror=assume',
'-Werror=implicit-function-declaration',
#
# Keep the rest sorted
#
'-Wabsolute-value',
'-Wcast-align',
'-Wcast-align=strict',
'-Wcast-function-type',
'-Wclobbered',
'-Wduplicated-branches',
'-Wduplicated-cond',
'-Wfloat-overflow-conversion',
'-Wfloat-zero-conversion',
'-Wfor-loop-analysis',
'-Wformat-pedantic',
'-Wformat-security',
'-Wgcc-compat',
'-Wgnu',
'-Wignored-qualifiers',
'-Wimplicit-fallthrough',
'-Winit-self',
'-Wlogical-op',
'-Wmissing-prototypes',
'-Wno-long-long',
'-Wno-missing-braces',
'-Wno-typedef-redefinition',
'-Wnull-dereference',
'-Wparentheses',
'-Wshadow=compatible-local',
'-Wsometimes-uninitialized',
'-Wstrict-prototypes',
'-Wtype-limits',
'-Wunneeded-internal-declaration',
'-Wunreachable-code',
'-Wunreachable-code-loop-increment',
]
if get_option('b_pch') and meson.version().version_compare('<0.50.0')
# Workaround for Meson bug: https://github.com/mesonbuild/meson/issues/4905
taisei_c_args += ['-fpch-deps']
endif
taisei_c_args = cc.get_supported_arguments(taisei_c_args)
foreach arglist : [
['-msse', '-mfpmath=sse'],
]
if cc.has_multi_arguments(arglist)
taisei_c_args += arglist
endif
endforeach
sm_check = run_command(check_submodules_command)
if sm_check.stdout() != ''
foreach line : sm_check.stdout().strip().split('\n')
warning(line)
endforeach
endif
if sm_check.stderr() != ''
warning('Submodule check completed with errors:\n@0@'.format(sm_check.stderr()))
endif
static = get_option('static') or (host_machine.system() == 'emscripten')
dep_freetype = dependency('freetype2', required : true, static : static)
dep_png = dependency('libpng', version : '>=1.5', required : true, static : static)
dep_sdl2 = dependency('sdl2', version : '>=2.0.5', required : true, static : static)
dep_sdl2_mixer = dependency('SDL2_mixer', required : false, static : static)
dep_webp = dependency('libwebp', version : '>=0.5', required : false, static : static)
dep_webpdecoder = dependency('libwebpdecoder', version : '>=0.5', required : false, static : static)
dep_zip = dependency('libzip', version : '>=1.0', required : false, static : static)
dep_zlib = dependency('zlib', required : true, static : static)
dep_crypto = dependency('libcrypto', required : false, static : static)
dep_m = cc.find_library('m', required : false)
dep_cglm = subproject('cglm').get_variable('cglm_dep')
dep_glad = subproject('glad').get_variable('glad_dep')
taisei_deps = [
dep_cglm,
dep_freetype,
dep_m,
dep_png,
dep_sdl2,
dep_zlib,
# don't add glad here
]
if dep_webpdecoder.found()
taisei_deps += dep_webpdecoder
elif dep_webp.found()
warning('libwebpdecoder not found, will link against libwebp instead')
taisei_deps += dep_webp
else
error('libwebpdecoder or libwebp is required, neither found')
endif
if host_machine.system() == 'windows'
taisei_deps += cc.find_library('shlwapi')
endif
if host_machine.system() == 'emscripten'
package_data = false
enable_zip = false
else
package_data = get_option('package_data')
enable_zip = get_option('enable_zip')
package_data = (package_data == 'auto' ? enable_zip : package_data == 'true')
endif
if enable_zip
if not dep_zip.found()
error('ZIP support enabled but libzip not found')
endif
taisei_deps += dep_zip
endif
if package_data and not enable_zip
error('ZIP support must be enabled for data packaging to work')
endif
config.set('TAISEI_BUILDCONF_USE_ZIP', taisei_deps.contains(dep_zip))
have_posix = cc.has_header_symbol('unistd.h', '_POSIX_VERSION')
have_vla = not cc.has_header_symbol('stdlib.h', '__STDC_NO_VLA__')
have_complex = not cc.has_header_symbol('stdlib.h', '__STDC_NO_COMPLEX__')
have_timespec = cc.has_header_symbol('time.h', 'timespec_get')
assert(have_vla and have_complex, 'Your C implementation needs to support complex numbers and variable-length arrays.')
config.set('TAISEI_BUILDCONF_HAVE_TIMESPEC', have_timespec)
config.set('TAISEI_BUILDCONF_HAVE_INT128', cc.sizeof('__int128') == 16)
config.set('TAISEI_BUILDCONF_HAVE_LONG_DOUBLE', cc.sizeof('long double') > 8)
config.set('TAISEI_BUILDCONF_HAVE_POSIX', have_posix)
config.set('TAISEI_BUILDCONF_HAVE_MAX_ALIGN_T', cc.compiles('#include <stddef.h>\nmax_align_t i;', name : 'max_align_t test'))
prefer_relpath_systems = [
'windows',
]
force_relpath_systems = [
'emscripten',
]
if macos_app_bundle
bundle_dir = 'Taisei.app'
datadir = join_paths(bundle_dir, 'Contents', 'Resources')
bindir = join_paths(bundle_dir, 'Contents', 'MacOS')
config.set('TAISEI_BUILDCONF_RELATIVE_DATA_PATH', true)
# arguments must be strings...
meson.add_install_script(
python3.path(),
join_paths(meson.source_root(), 'scripts', 'macos-install-dylibs.py'),
':'.join(meson.get_cross_property('macos_lib_path', [])),
':'.join(meson.get_cross_property('macos_tool_path', [])),
meson.get_cross_property('macos_tool_prefix', ''),
)
else
datadir = get_option('datadir')
if force_relpath_systems.contains(host_machine.system())
config.set('TAISEI_BUILDCONF_RELATIVE_DATA_PATH', true)
elif get_option('install_relative') == 'auto'
config.set('TAISEI_BUILDCONF_RELATIVE_DATA_PATH', prefer_relpath_systems.contains(host_machine.system()))
else
config.set('TAISEI_BUILDCONF_RELATIVE_DATA_PATH', get_option('install_relative') == 'true')
endif
if config.get('TAISEI_BUILDCONF_RELATIVE_DATA_PATH')
bindir = '.'
else
bindir = get_option('bindir')
endif
endif
if get_option('install_freedesktop') == 'auto'
install_xdg = not config.get('TAISEI_BUILDCONF_RELATIVE_DATA_PATH')
else
install_xdg = get_option('install_freedesktop') == 'true'
endif
if config.get('TAISEI_BUILDCONF_RELATIVE_DATA_PATH')
data_path = 'data'
doc_path = '.' # Meson bug https://github.com/mesonbuild/meson/issues/4295
xdg_path = 'freedesktop.org'
# This is relative to SDL_GetBasePath()
config.set_quoted('TAISEI_BUILDCONF_DATA_PATH', data_path)
if macos_app_bundle
# Actual installation path
data_path = join_paths(datadir, data_path)
# I don't know why would you do that, but more power to you
xdg_path = join_paths(datadir, xdg_path)
endif
else
data_path = join_paths(datadir, 'taisei')
config.set_quoted('TAISEI_BUILDCONF_DATA_PATH', join_paths(get_option('prefix'), data_path))
doc_path = join_paths(datadir, 'doc', 'taisei')
xdg_path = datadir
endif
is_debug_build = get_option('buildtype').startswith('debug')
is_developer_build = (get_option('developer') == 'auto' ? is_debug_build : get_option('developer') == 'true')
config.set('TAISEI_BUILDCONF_DEVELOPER', is_developer_build)
config.set('TAISEI_BUILDCONF_LOG_FATAL_MSGBOX', (
host_machine.system() == 'windows' or
host_machine.system() == 'darwin' or
not is_developer_build
))
config.set('TAISEI_BUILDCONF_DEBUG_OPENGL', get_option('debug_opengl'))
install_docs = get_option('docs') and host_machine.system() != 'emscripten'
if host_machine.system() == 'windows'
if install_docs
custom_target('COPYING.txt',
command : [eolconv_command, host_eol_style, '@INPUT@', '@OUTPUT@'],
input : 'COPYING',
output : 'COPYING.txt',
install : true,
install_dir : doc_path
)
endif
if angle_enabled
install_data(
get_option('angle_libgles'),
get_option('angle_libegl'),
install_dir : join_paths(bindir, 'ANGLE'),
)
endif
else
if install_docs
install_data('COPYING', install_dir : doc_path)
endif
if angle_enabled
error('install_angle is only available for Windows targets at the moment')
endif
endif
systype = (have_posix ? 'POSIX (@0@)' : '@0@').format(host_machine.system())
systype = '@0@, @1@, @2@'.format(systype, host_machine.cpu_family(), host_machine.cpu())
if meson.is_cross_build()
systype = '@0@ (cross-compiling)'.format(systype)
endif
version_deps = []
subdir('misc')
subdir('emscripten')
subdir('external')
subdir('resources')
subdir('doc')
subdir('xdg')
subdir('atlas')
subdir('src')
summary = '''
Summary:
Taisei version: @0@
System type: @1@
Build type: @2@
Audio backends: @3@ (default: @4@)
Renderers: @5@ (default: @6@)
Shader translation: @7@
ZIP support: @8@
Package data: @9@
Relative install paths: @10@
Prefix: @11@
Executables: @12@
Data: @13@
Documentation: @14@
'''.format(
taisei_version_string,
systype,
get_option('buildtype'),
', '.join(enabled_audio_backends),
get_option('a_default'),
', '.join(enabled_renderers),
get_option('r_default'),
get_option('shader_transpiler'),
enable_zip,
package_data,
config.get('TAISEI_BUILDCONF_RELATIVE_DATA_PATH'),
get_option('prefix'),
# the $ is intentional
join_paths('$prefix', bindir),
join_paths('$prefix', data_path),
join_paths('$prefix', doc_path)
)
message(summary)
run_command(postconf_command)
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