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taisei/meson.build
Andrei Alexeyev 52388df53f
improve viewport scaling and positioning
2019-04-04 02:43:03 +03:00

352 lines
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Meson
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project('taisei', 'c',
license : 'MIT',
version : 'v1.3-dev',
meson_version : '>=0.45.0',
default_options : [
'c_std=c11',
'default_library=static',
'libzip:enable_crypto=false',
'libzip:enable_bzip2=false',
'sdl2:use_haptic=disabled',
'sdl2:use_power=disabled',
'sdl2:use_render=disabled',
'sdl2:use_sensor=disabled',
# 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',
'-Werror=incompatible-pointer-types',
#
# 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, fallback : ['freetype', 'freetype_dep'])
dep_png = dependency('libpng', version : '>=1.5', required : true, static : static, fallback : ['libpng', 'png_dep'])
dep_sdl2 = dependency('sdl2', version : '>=2.0.5', required : true, static : static, fallback : ['sdl2', 'sdl2_dep'])
dep_sdl2_mixer = dependency('SDL2_mixer', required : false, static : static, fallback : ['sdl2_mixer', 'sdl2_mixer_dep'])
dep_webp = dependency('libwebp', version : '>=0.5', required : false, static : static, fallback : ['libwebp', 'webp_dep'])
dep_webpdecoder = dependency('libwebpdecoder', version : '>=0.5', required : false, static : static, fallback : ['libwebp', 'webpdecoder_dep'])
dep_zlib = dependency('zlib', required : true, static : static, fallback : ['zlib', 'zlib_dep'])
dep_zip = dependency('libzip', version : '>=1.2', required : false, static : static, fallback : ['libzip', 'libzip_dep'])
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
assert(dep_zip.found(), 'ZIP support enabled but libzip not found')
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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