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emscripten-core
GitHub Repository: emscripten-core/emscripten
 Path: blob/main/tools/ports/sdl3_ttf.py
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# Copyright 2025 The Emscripten Authors.  All rights reserved.

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# Emscripten is available under two separate licenses, the MIT license and the

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# University of Illinois/NCSA Open Source License.  Both these licenses can be

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# found in the LICENSE file.

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import os

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TAG = 'release-3.2.2'

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HASH = 'c5f34d1b79492e0341c91687cde9ec315f5d6544c7ebaa7ef5d092e77ccfc363a0e702ba9c43bfa0926c54420843ccfb98b81362985fd7b4a67d09a7852b90ba'

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deps = ['freetype', 'sdl3', 'harfbuzz']

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variants = {'sdl3_ttf-mt': {'PTHREADS': 1}}

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def needed(settings):

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  return settings.USE_SDL_TTF == 3

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def get_lib_name(settings):

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  return 'libSDL3_ttf' + ('-mt' if settings.PTHREADS else '') + '.a'

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def get(ports, settings, shared):

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  ports.fetch_project('sdl3_ttf', f'https://github.com/libsdl-org/SDL_ttf/archive/{TAG}.zip', sha512hash=HASH)

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  def create(final):

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    src_root = ports.get_dir('sdl3_ttf', 'SDL_ttf-' + TAG)

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    ports.install_header_dir(os.path.join(src_root, 'include'), target='.')

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    flags = ['-Wno-experimental', '-DTTF_USE_HARFBUZZ=1', '-sUSE_SDL=3', '-sUSE_FREETYPE', '-sUSE_HARFBUZZ']

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    if settings.PTHREADS:

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      flags += ['-pthread']

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    srcs = [

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      'src/SDL_gpu_textengine.c',

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      'src/SDL_hashtable.c',

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      'src/SDL_hashtable_ttf.c',

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      'src/SDL_renderer_textengine.c',

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      'src/SDL_surface_textengine.c',

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      'src/SDL_ttf.c',

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    ]

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    ports.build_port(src_root, final, 'sdl3_ttf', flags=flags, srcs=srcs)

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  return [shared.cache.get_lib(get_lib_name(settings), create, what='port')]

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def clear(ports, settings, shared):

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  shared.cache.erase_lib(get_lib_name(settings))

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def process_dependencies(settings):

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  settings.USE_SDL = 3

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  settings.USE_FREETYPE = 1

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  settings.USE_HARFBUZZ = 1

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def process_args(ports):

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  return ['-DTTF_USE_HARFBUZZ=1']

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def show():

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  return 'sdl3_ttf (-sUSE_SDL_TTF=3 or --use-port=sdl3_ttf; zlib license)'

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