| #!/usr/bin/env python3 |
| # Copyright 2014 The Emscripten Authors. All rights reserved. |
| # Emscripten is available under two separate licenses, the MIT license and the |
| # University of Illinois/NCSA Open Source License. Both these licenses can be |
| # found in the LICENSE file. |
| |
| """Tool to manage building of system libraries and ports. |
| |
| In general emcc will build them automatically on demand, so you do not |
| strictly need to use this tool, but it gives you more control over the |
| process (in particular, if emcc does this automatically, and you are |
| running multiple build commands in parallel, confusion can occur). |
| """ |
| |
| import argparse |
| import logging |
| import sys |
| |
| from tools import shared |
| from tools import system_libs |
| import emscripten |
| |
| |
| SYSTEM_LIBRARIES = system_libs.Library.get_all_variations() |
| SYSTEM_TASKS = list(SYSTEM_LIBRARIES.keys()) |
| |
| # This is needed to build the generated_struct_info.json file. |
| # It is not a system library, but it needs to be built before running with FROZEN_CACHE. |
| SYSTEM_TASKS += ['struct_info'] |
| |
| # Minimal subset of SYSTEM_TASKS used by CI systems to build enough to useful |
| MINIMAL_TASKS = [ |
| 'libcompiler_rt', |
| 'libc', |
| 'libc++abi', |
| 'libc++abi-except', |
| 'libc++abi-noexcept', |
| 'libc++', |
| 'libc++-except', |
| 'libc++-noexcept', |
| 'libal', |
| 'libdlmalloc', |
| 'libdlmalloc-debug', |
| 'libemmalloc', |
| 'libemmalloc-64bit', |
| 'libsockets', |
| 'libc_rt_wasm', |
| 'struct_info', |
| 'libstandalonewasm', |
| 'crt1', |
| 'libunwind-except' |
| ] |
| |
| USER_TASKS = [ |
| 'boost_headers', |
| 'bullet', |
| 'bzip2', |
| 'cocos2d', |
| 'freetype', |
| 'harfbuzz', |
| 'icu', |
| 'libjpeg', |
| 'libpng', |
| 'ogg', |
| 'regal', |
| 'regal-mt', |
| 'sdl2', |
| 'sdl2-mt', |
| 'sdl2-gfx', |
| 'sdl2-image', |
| 'sdl2-image-png', |
| 'sdl2-image-jpg', |
| 'sdl2-mixer', |
| 'sdl2-mixer-ogg', |
| 'sdl2-mixer-mp3', |
| 'sdl2-net', |
| 'sdl2-ttf', |
| 'vorbis', |
| 'zlib', |
| ] |
| |
| temp_files = shared.configuration.get_temp_files() |
| logger = logging.getLogger('embuilder') |
| force = False |
| |
| |
| def get_help(): |
| all_tasks = SYSTEM_TASKS + USER_TASKS |
| all_tasks.sort() |
| return ''' |
| Available targets: |
| |
| build %s |
| |
| Issuing 'embuilder.py build ALL' causes each task to be built. |
| ''' % '\n '.join(all_tasks) |
| |
| |
| def build_port(port_name, lib_name): |
| if force: |
| shared.Cache.erase_file(lib_name) |
| |
| system_libs.build_port(port_name, shared.Settings) |
| |
| |
| def main(): |
| global force |
| parser = argparse.ArgumentParser(description=__doc__, |
| formatter_class=argparse.RawDescriptionHelpFormatter, |
| epilog=get_help()) |
| parser.add_argument('--lto', action='store_true', help='build bitcode object for LTO') |
| parser.add_argument('--pic', action='store_true', |
| help='build relocatable objects for suitable for dynamic linking') |
| parser.add_argument('--force', action='store_true', |
| help='force rebuild of target (by removing it first)') |
| parser.add_argument('operation', help='currently only "build" is supported') |
| parser.add_argument('targets', nargs='+', help='see below') |
| args = parser.parse_args() |
| |
| if args.operation != 'build': |
| shared.exit_with_error('unfamiliar operation: ' + args.operation) |
| |
| # process flags |
| |
| # Check sanity so that if settings file has changed, the cache is cleared here. |
| # Otherwise, the cache will clear in an emcc process, which is invoked while building |
| # a system library into the cache, causing trouble. |
| shared.check_sanity() |
| |
| if args.lto: |
| shared.Settings.LTO = "full" |
| # Reconfigure the cache dir to reflect the change |
| shared.reconfigure_cache() |
| |
| if args.pic: |
| shared.Settings.RELOCATABLE = 1 |
| # Reconfigure the cache dir to reflect the change |
| shared.reconfigure_cache() |
| |
| if args.force: |
| force = True |
| |
| # process tasks |
| libname = system_libs.Ports.get_lib_name |
| |
| auto_tasks = False |
| tasks = args.targets |
| if 'SYSTEM' in tasks: |
| tasks = SYSTEM_TASKS |
| auto_tasks = True |
| elif 'USER' in tasks: |
| tasks = USER_TASKS |
| auto_tasks = True |
| elif 'MINIMAL' in tasks: |
| tasks = MINIMAL_TASKS |
| auto_tasks = True |
| elif 'ALL' in tasks: |
| tasks = SYSTEM_TASKS + USER_TASKS |
| auto_tasks = True |
| if auto_tasks: |
| skip_tasks = [] |
| if shared.Settings.RELOCATABLE: |
| # we don't support PIC + pthreads yet |
| for task in SYSTEM_TASKS + USER_TASKS: |
| if '-mt' in task: |
| skip_tasks.append(task) |
| print('Skipping building of %s, because we don\'t support threads and PIC code.' % ', '.join(skip_tasks)) |
| # cocos2d: must be ported, errors on |
| # "Cannot recognize the target platform; are you targeting an unsupported platform?" |
| skip_tasks += ['cocos2d'] |
| tasks = [x for x in tasks if x not in skip_tasks] |
| print('Building targets: %s' % ' '.join(tasks)) |
| for what in tasks: |
| logger.info('building and verifying ' + what) |
| if what in SYSTEM_LIBRARIES: |
| library = SYSTEM_LIBRARIES[what] |
| if force: |
| library.erase() |
| library.get_path() |
| elif what == 'struct_info': |
| if force: |
| shared.Cache.erase_file('generated_struct_info.json') |
| emscripten.generate_struct_info() |
| elif what == 'icu': |
| build_port('icu', libname('libicuuc')) |
| elif what == 'zlib': |
| shared.Settings.USE_ZLIB = 1 |
| build_port('zlib', 'libz.a') |
| shared.Settings.USE_ZLIB = 0 |
| elif what == 'bzip2': |
| build_port('bzip2', 'libbz2.a') |
| elif what == 'bullet': |
| build_port('bullet', libname('libbullet')) |
| elif what == 'vorbis': |
| build_port('vorbis', libname('libvorbis')) |
| elif what == 'ogg': |
| build_port('ogg', libname('libogg')) |
| elif what == 'libjpeg': |
| build_port('libjpeg', libname('libjpeg')) |
| elif what == 'libpng': |
| build_port('libpng', libname('libpng')) |
| elif what == 'sdl2': |
| build_port('sdl2', libname('libSDL2')) |
| elif what == 'sdl2-mt': |
| shared.Settings.USE_PTHREADS = 1 |
| build_port('sdl2', libname('libSDL2-mt')) |
| shared.Settings.USE_PTHREADS = 0 |
| elif what == 'sdl2-gfx': |
| build_port('sdl2_gfx', libname('libSDL2_gfx')) |
| elif what == 'sdl2-image': |
| build_port('sdl2_image', libname('libSDL2_image')) |
| elif what == 'sdl2-image-png': |
| shared.Settings.SDL2_IMAGE_FORMATS = ["png"] |
| build_port('sdl2_image', libname('libSDL2_image_png')) |
| shared.Settings.SDL2_IMAGE_FORMATS = [] |
| elif what == 'sdl2-image-jpg': |
| shared.Settings.SDL2_IMAGE_FORMATS = ["jpg"] |
| build_port('sdl2_image', libname('libSDL2_image_jpg')) |
| shared.Settings.SDL2_IMAGE_FORMATS = [] |
| elif what == 'sdl2-net': |
| build_port('sdl2_net', libname('libSDL2_net')) |
| elif what == 'sdl2-mixer': |
| old_formats = shared.Settings.SDL2_MIXER_FORMATS |
| shared.Settings.SDL2_MIXER_FORMATS = [] |
| build_port('sdl2_mixer', libname('libSDL2_mixer')) |
| shared.Settings.SDL2_MIXER_FORMATS = old_formats |
| elif what == 'sdl2-mixer-ogg': |
| old_formats = shared.Settings.SDL2_MIXER_FORMATS |
| shared.Settings.SDL2_MIXER_FORMATS = ["ogg"] |
| build_port('sdl2_mixer', libname('libSDL2_mixer_ogg')) |
| shared.Settings.SDL2_MIXER_FORMATS = old_formats |
| elif what == 'sdl2-mixer-mp3': |
| old_formats = shared.Settings.SDL2_MIXER_FORMATS |
| shared.Settings.SDL2_MIXER_FORMATS = ["mp3"] |
| build_port('sdl2_mixer', libname('libSDL2_mixer_mp3')) |
| shared.Settings.SDL2_MIXER_FORMATS = old_formats |
| elif what == 'freetype': |
| build_port('freetype', 'libfreetype.a') |
| elif what == 'harfbuzz': |
| build_port('harfbuzz', 'libharfbuzz.a') |
| elif what == 'harfbuzz-mt': |
| shared.Settings.USE_PTHREADS = 1 |
| build_port('harfbuzz', 'libharfbuzz-mt.a') |
| shared.Settings.USE_PTHREADS = 0 |
| elif what == 'sdl2-ttf': |
| build_port('sdl2_ttf', libname('libSDL2_ttf')) |
| elif what == 'cocos2d': |
| build_port('cocos2d', libname('libcocos2d')) |
| elif what == 'regal': |
| build_port('regal', libname('libregal')) |
| elif what == 'regal-mt': |
| shared.Settings.USE_PTHREADS = 1 |
| build_port('regal', libname('libregal-mt')) |
| shared.Settings.USE_PTHREADS = 0 |
| elif what == 'boost_headers': |
| build_port('boost_headers', libname('libboost_headers')) |
| else: |
| logger.error('unfamiliar build target: ' + what) |
| return 1 |
| |
| logger.info('...success') |
| return 0 |
| |
| |
| if __name__ == '__main__': |
| try: |
| sys.exit(main()) |
| except KeyboardInterrupt: |
| logger.warning("KeyboardInterrupt") |
| sys.exit(1) |
