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BUILD.gn
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BUILD.gn
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# Copyright 2014 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import("//build/config/buildflags_paint_preview.gni")
import("//build/config/chrome_build.gni")
import("//build/config/features.gni")
import("//build/config/freetype/freetype.gni")
import("//build/config/ui.gni")
import("//testing/libfuzzer/fuzzer_test.gni")
import("//third_party/harfbuzz-ng/harfbuzz.gni")
if (use_system_harfbuzz) {
import("//build/config/linux/pkg_config.gni")
pkg_config("harfbuzz_from_pkgconfig") {
visibility = [
"//third_party:freetype_harfbuzz",
"//third_party/freetype:freetype_source",
]
packages = [
"harfbuzz",
"harfbuzz-subset",
]
}
} else {
config("harfbuzz_config") {
include_dirs = [ "src/src" ]
}
config("harfbuzz_warnings") {
if (is_win) {
# Result of 32-bit shift implicitly converted to 64 bits.
cflags = [ "/wd4334" ]
}
}
source_set("harfbuzz_source") {
visibility = [ "//third_party:freetype_harfbuzz" ]
public = [
"src/src/hb-blob.h",
"src/src/hb-buffer.h",
"src/src/hb-common.h",
"src/src/hb-deprecated.h",
"src/src/hb-face.h",
"src/src/hb-font.h",
"src/src/hb-ft.h",
"src/src/hb-icu.h",
"src/src/hb-map.h",
"src/src/hb-ot-font.h",
"src/src/hb-ot-layout.h",
"src/src/hb-ot-math.h",
"src/src/hb-ot-shape.h",
"src/src/hb-ot-var.h",
"src/src/hb-ot.h",
"src/src/hb-set.h",
"src/src/hb-shape-plan.h",
"src/src/hb-shape.h",
"src/src/hb-subset.h",
"src/src/hb-unicode.h",
"src/src/hb-version.h",
"src/src/hb.h",
]
sources = [
"src/src/hb-aat-layout-ankr-table.hh",
"src/src/hb-aat-layout-bsln-table.hh",
"src/src/hb-aat-layout-feat-table.hh",
"src/src/hb-aat-layout-kerx-table.hh",
"src/src/hb-aat-layout-morx-table.hh",
"src/src/hb-aat-layout-trak-table.hh",
"src/src/hb-aat-layout.cc",
"src/src/hb-aat-ltag-table.hh",
"src/src/hb-aat-map.cc",
"src/src/hb-aat-map.hh",
"src/src/hb-algs.hh",
"src/src/hb-array.hh",
"src/src/hb-atomic.hh",
"src/src/hb-bimap.hh",
"src/src/hb-blob.cc",
"src/src/hb-blob.hh",
"src/src/hb-buffer-deserialize-json.hh",
"src/src/hb-buffer-deserialize-text.hh",
"src/src/hb-buffer-serialize.cc",
"src/src/hb-buffer.cc",
"src/src/hb-buffer.hh",
"src/src/hb-cache.hh",
"src/src/hb-cff-interp-common.hh",
"src/src/hb-cff-interp-cs-common.hh",
"src/src/hb-cff-interp-dict-common.hh",
"src/src/hb-cff1-interp-cs.hh",
"src/src/hb-cff2-interp-cs.hh",
"src/src/hb-common.cc",
"src/src/hb-config.hh",
"src/src/hb-debug.hh",
"src/src/hb-dispatch.hh",
"src/src/hb-draw.cc",
"src/src/hb-draw.h",
"src/src/hb-draw.hh",
"src/src/hb-face.cc",
"src/src/hb-face.hh",
"src/src/hb-font.cc",
"src/src/hb-font.hh",
"src/src/hb-ft.cc",
"src/src/hb-gdi.cc",
"src/src/hb-gdi.h",
"src/src/hb-icu.cc",
"src/src/hb-map.cc",
"src/src/hb-map.hh",
"src/src/hb-meta.hh",
"src/src/hb-mutex.hh",
"src/src/hb-number-parser.hh",
"src/src/hb-number.cc",
"src/src/hb-number.hh",
"src/src/hb-object.hh",
"src/src/hb-open-file.hh",
"src/src/hb-open-type.hh",
"src/src/hb-ot-cff-common.hh",
"src/src/hb-ot-cff1-table.cc",
"src/src/hb-ot-cff1-table.hh",
"src/src/hb-ot-cff2-table.cc",
"src/src/hb-ot-cff2-table.hh",
"src/src/hb-ot-color-cbdt-table.hh",
"src/src/hb-ot-color-colr-table.hh",
"src/src/hb-ot-color-cpal-table.hh",
"src/src/hb-ot-face-table-list.hh",
"src/src/hb-ot-face.cc",
"src/src/hb-ot-face.hh",
"src/src/hb-ot-font.cc",
"src/src/hb-ot-gasp-table.hh",
"src/src/hb-ot-hdmx-table.hh",
"src/src/hb-ot-head-table.hh",
"src/src/hb-ot-hhea-table.hh",
"src/src/hb-ot-hmtx-table.hh",
"src/src/hb-ot-kern-table.hh",
"src/src/hb-ot-layout-base-table.hh",
"src/src/hb-ot-layout-common.hh",
"src/src/hb-ot-layout-gdef-table.hh",
"src/src/hb-ot-layout-gpos-table.hh",
"src/src/hb-ot-layout-gsub-table.hh",
"src/src/hb-ot-layout-gsubgpos.hh",
"src/src/hb-ot-layout.cc",
"src/src/hb-ot-layout.hh",
"src/src/hb-ot-map.cc",
"src/src/hb-ot-map.hh",
"src/src/hb-ot-math-table.hh",
"src/src/hb-ot-math.cc",
"src/src/hb-ot-maxp-table.hh",
"src/src/hb-ot-meta-table.hh",
"src/src/hb-ot-meta.cc",
"src/src/hb-ot-meta.h",
"src/src/hb-ot-metrics.cc",
"src/src/hb-ot-metrics.h",
"src/src/hb-ot-metrics.hh",
"src/src/hb-ot-name-language-static.hh",
"src/src/hb-ot-name-language.hh",
"src/src/hb-ot-name-table.hh",
"src/src/hb-ot-name.cc",
"src/src/hb-ot-os2-unicode-ranges.hh",
"src/src/hb-ot-post-macroman.hh",
"src/src/hb-ot-shape-complex-arabic-fallback.hh",
"src/src/hb-ot-shape-complex-arabic-joining-list.hh",
"src/src/hb-ot-shape-complex-arabic-table.hh",
"src/src/hb-ot-shape-complex-arabic.cc",
"src/src/hb-ot-shape-complex-arabic.hh",
"src/src/hb-ot-shape-complex-default.cc",
"src/src/hb-ot-shape-complex-hangul.cc",
"src/src/hb-ot-shape-complex-hebrew.cc",
"src/src/hb-ot-shape-complex-indic-machine.hh",
"src/src/hb-ot-shape-complex-indic-table.cc",
"src/src/hb-ot-shape-complex-indic.cc",
"src/src/hb-ot-shape-complex-indic.hh",
"src/src/hb-ot-shape-complex-khmer-machine.hh",
"src/src/hb-ot-shape-complex-khmer.cc",
"src/src/hb-ot-shape-complex-khmer.hh",
"src/src/hb-ot-shape-complex-myanmar-machine.hh",
"src/src/hb-ot-shape-complex-myanmar.cc",
"src/src/hb-ot-shape-complex-myanmar.hh",
"src/src/hb-ot-shape-complex-syllabic.cc",
"src/src/hb-ot-shape-complex-syllabic.hh",
"src/src/hb-ot-shape-complex-thai.cc",
"src/src/hb-ot-shape-complex-use-machine.hh",
"src/src/hb-ot-shape-complex-use-table.hh",
"src/src/hb-ot-shape-complex-use.cc",
"src/src/hb-ot-shape-complex-vowel-constraints.cc",
"src/src/hb-ot-shape-complex-vowel-constraints.hh",
"src/src/hb-ot-shape-complex.hh",
"src/src/hb-ot-shape-fallback.cc",
"src/src/hb-ot-shape-fallback.hh",
"src/src/hb-ot-shape-normalize.cc",
"src/src/hb-ot-shape-normalize.hh",
"src/src/hb-ot-shape.cc",
"src/src/hb-ot-shape.hh",
"src/src/hb-ot-tag.cc",
"src/src/hb-ot-var-avar-table.hh",
"src/src/hb-ot-var-fvar-table.hh",
"src/src/hb-ot-var-hvar-table.hh",
"src/src/hb-ot-var-mvar-table.hh",
"src/src/hb-ot-var.cc",
"src/src/hb-pool.hh",
"src/src/hb-sanitize.hh",
"src/src/hb-serialize.hh",
"src/src/hb-set-digest.hh",
"src/src/hb-set.cc",
"src/src/hb-set.hh",
"src/src/hb-shape-plan.cc",
"src/src/hb-shape-plan.hh",
"src/src/hb-shape.cc",
"src/src/hb-shaper-impl.hh",
"src/src/hb-shaper-list.hh",
"src/src/hb-shaper.cc",
"src/src/hb-shaper.hh",
"src/src/hb-static.cc",
"src/src/hb-string-array.hh",
"src/src/hb-subset-cff-common.cc",
"src/src/hb-subset-cff-common.hh",
"src/src/hb-subset-cff1.cc",
"src/src/hb-subset-cff2.cc",
"src/src/hb-subset-input.cc",
"src/src/hb-subset-input.hh",
"src/src/hb-subset-plan.cc",
"src/src/hb-subset-plan.hh",
"src/src/hb-subset.cc",
"src/src/hb-subset.hh",
"src/src/hb-ucd-table.hh",
"src/src/hb-ucd.cc",
"src/src/hb-unicode-emoji-table.hh",
"src/src/hb-unicode.cc",
"src/src/hb-unicode.hh",
"src/src/hb-utf.hh",
"src/src/hb.hh",
]
defines = [
"HAVE_OT",
"HAVE_FREETYPE",
"HAVE_ICU",
"HAVE_ICU_BUILTIN",
"HB_NO_MMAP",
"HB_NO_RESOURCE_FORK",
# Size reductions by disabling parts that we do not currently require:
# SkPDF needs subsetting but does not require subsetting of layout or CFF tables.
"HB_NO_SUBSET_LAYOUT",
"HB_NO_SUBSET_CFF",
# Fallback shaper not required, we only use the HarfBuzz internal OT shaper.
"HB_NO_FALLBACK_SHAPE",
# Tells HarfBuzz to use ICU instead of the own mini UCDN implementation
# that is part of HarfBuzz.
"HB_NO_UCD",
# TODO(https://crbug.com/992390): Don't use the HarfBuzz metrics
# implementation, as we're retrieving metrics from Skia. Consider using this
# implementation at least for vertical metrics.
"HB_NO_METRICS",
# Disable .fon file support, not needed for Chrome, and code behind this
# flag produces warnings in Clang. Compare https://crbug.com/1002945.
"HB_NO_WIN1256",
# TODO(https://crbug.com/949962): Remove once this is fixed upstream.
"U_DISABLE_VERSION_SUFFIX=0",
]
if (!is_win && !is_mac) {
# Needed for HarfBuzz mutex implementation, see hb-mutex.hh
defines += [ "HAVE_PTHREAD" ]
}
if (enable_paint_preview) {
# Paint Previews make use of CFF subsetting. However, enabling this is
# expensive for binary size so only compile it when Paint Previews are
# compiled.
defines -= [ "HB_NO_SUBSET_CFF" ]
}
if (is_component_build) {
if (is_win) {
defines += [ "HB_EXTERN=__declspec (dllexport) extern" ]
} else {
configs -= [ "//build/config/gcc:symbol_visibility_hidden" ]
configs += [ "//build/config/gcc:symbol_visibility_default" ]
# Exposing symbols in component builds can cause a mixture of system
# harfbuzz symbols and //third_party harfbuzz symbols to be loaded at
# the same time. This can cause issues for libraries that indirectly
# load harfbuzz like pango (see https://crbug.com/1146397), so include
# metrics symbols to prevent pango from using the system library.
# TODO(https://crbug.com/1148459): Remove this workaround once bug
# 1148459 is fixed.
defines -= [ "HB_NO_METRICS" ]
}
}
if (use_system_freetype) {
configs += [ "//build/linux:freetype_from_pkgconfig" ]
} else {
configs += [ "//third_party/freetype:freetype_component_config" ]
}
configs -= [ "//build/config/compiler:chromium_code" ]
configs += [
"//build/config/compiler:no_chromium_code",
# Must be after no_chromium_code for warning flags to be ordered
# correctly.
":harfbuzz_warnings",
]
# This allows the compiler to do further optimizations in the code.
if (!is_debug) {
configs -= [ "//build/config/compiler:default_optimization" ]
configs += [ "//build/config/compiler:optimize_speed" ]
}
public_configs = [ ":harfbuzz_config" ]
deps = [ "//third_party/icu:icuuc" ]
if (use_glib) {
configs += [ "//build/config/linux:glib" ]
public += [ "src/src/hb-glib.h" ]
sources += [ "src/src/hb-glib.cc" ]
}
}
}
source_set("hb_scoped_util") {
sources = [ "utils/hb_scoped.h" ]
deps = [ "//third_party:freetype_harfbuzz" ]
}
fuzzer_test("hb_shape_fuzzer") {
sources = [ "fuzz/hb_shape_fuzzer.cc" ]
deps = [
":hb_scoped_util",
"//base",
"//third_party:freetype_harfbuzz",
]
seed_corpus = "fuzz/seed_corpus"
}
fuzzer_test("hb_subset_fuzzer") {
sources = [ "fuzz/hb_subset_fuzzer.cc" ]
deps = [
":hb_scoped_util",
"//base",
"//third_party:freetype_harfbuzz",
]
seed_corpus = "fuzz/seed_corpus"
}