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# Copyright 2018 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.
import os
VERSION = '3.2.0'
HASH = 'c9d88068d8017046842f444f02f31dbae109026ede943aaf265db5508de8b4b2be84203950f274a237f515bf7cbd361629d2032c6e8ee8f50354b430bba3a8ca'
deps = ['freetype']
variants = {'harfbuzz-mt': {'PTHREADS': 1}}
srcs = '''
hb-aat-layout.cc
hb-aat-map.cc
hb-blob.cc
hb-buffer-serialize.cc
hb-buffer.cc
hb-common.cc
hb-draw.cc
hb-face.cc
hb-fallback-shape.cc
hb-font.cc
hb-map.cc
hb-number.cc
hb-ot-cff1-table.cc
hb-ot-cff2-table.cc
hb-ot-color.cc
hb-ot-face.cc
hb-ot-font.cc
hb-ot-layout.cc
hb-ot-map.cc
hb-ot-math.cc
hb-ot-meta.cc
hb-ot-metrics.cc
hb-ot-name.cc
hb-ot-shape-complex-arabic.cc
hb-ot-shape-complex-default.cc
hb-ot-shape-complex-hangul.cc
hb-ot-shape-complex-hebrew.cc
hb-ot-shape-complex-indic-table.cc
hb-ot-shape-complex-indic.cc
hb-ot-shape-complex-khmer.cc
hb-ot-shape-complex-myanmar.cc
hb-ot-shape-complex-syllabic.cc
hb-ot-shape-complex-thai.cc
hb-ot-shape-complex-use.cc
hb-ot-shape-complex-vowel-constraints.cc
hb-ot-shape-fallback.cc
hb-ot-shape-normalize.cc
hb-ot-shape.cc
hb-ot-tag.cc
hb-ot-var.cc
hb-set.cc
hb-shape-plan.cc
hb-shape.cc
hb-shaper.cc
hb-static.cc
hb-style.cc
hb-ucd.cc
hb-unicode.cc
hb-glib.cc
hb-ft.cc
hb-graphite2.cc
hb-uniscribe.cc
hb-gdi.cc
hb-directwrite.cc
hb-coretext.cc
'''.split()
def needed(settings):
return settings.USE_HARFBUZZ
def get_lib_name(settings):
return 'libharfbuzz' + ('-mt' if settings.PTHREADS else '') + '.a'
def get(ports, settings, shared):
ports.fetch_project('harfbuzz', f'https://github.com/harfbuzz/harfbuzz/releases/download/{VERSION}/harfbuzz-{VERSION}.tar.xz', sha512hash=HASH)
def create(final):
source_path = ports.get_dir('harfbuzz', 'harfbuzz-' + VERSION)
freetype_include = ports.get_include_dir('freetype2')
ports.install_headers(os.path.join(source_path, 'src'), target='harfbuzz')
# TODO(sbc): Look into HB_TINY, HB_LEAN, HB_MINI options. Remove
# HAVE_MMAP/HAVE_MPROTECT/HAVE_SYSCONF since we don't really support those?
# These cflags are the ones that the cmake build selects when running emcmake
# with harfbuzz
cflags = '''
-DHAVE_FREETYPE
-DHAVE_ATEXIT
-DHAVE_FALLBACK
-DHAVE_FT_SET_VAR_BLEND_COORDINATES
-DHAVE_INTEL_ATOMIC_PRIMITIVES
-DHAVE_MMAP
-DHAVE_MPROTECT
-DHAVE_OT
-DHAVE_STRTOD_L
-DHAVE_SYSCONF
-DHAVE_UCDN
-DHAVE_UNIST_H
-DHAVE_XLOCALE_H
-DHAVE_SYS_MMAN_H
-DHAVE_UNISTD_H
-fno-rtti
-fno-exceptions
-O3
-DNDEBUG
'''.split()
cflags += ['-I' + freetype_include, '-I' + os.path.join(freetype_include, 'config')]
if settings.RELOCATABLE:
cflags.append('-fPIC')
if settings.PTHREADS:
cflags.append('-pthread')
cflags.append('-DHAVE_PTHREAD')
else:
cflags.append('-DHB_NO_MT')
# Letting HarfBuzz enable warnings through pragmas can block compiler
# upgrades in situations where say a ToT compiler build adds a new
# stricter warning under -Wfoowarning-subgroup. HarfBuzz pragma-enables
# -Wfoowarning which default-enables -Wfoowarning-subgroup implicitly but
# HarfBuzz upstream is not yet clean of warnings produced for
# -Wfoowarning-subgroup. Hence disabling pragma warning control here.
# See also: https://github.com/emscripten-core/emscripten/pull/18119
cflags.append('-DHB_NO_PRAGMA_GCC_DIAGNOSTIC_ERROR')
cflags.append('-DHB_NO_PRAGMA_GCC_DIAGNOSTIC_WARNING')
ports.build_port(os.path.join(source_path, 'src'), final, 'harfbuzz', flags=cflags, srcs=srcs)
return [shared.cache.get_lib(get_lib_name(settings), create, what='port')]
def clear(ports, settings, shared):
shared.cache.erase_lib(get_lib_name(settings))
def process_dependencies(settings):
settings.USE_FREETYPE = 1
def process_args(ports):
return ['-isystem', ports.get_include_dir('harfbuzz')]
def show():
return 'harfbuzz (-sUSE_HARFBUZZ=1 or --use-port=harfbuzz; MIT license)'
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