# 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-common.hh", "src/src/hb-aat-layout-feat-table.hh", "src/src/hb-aat-layout-just-table.hh", "src/src/hb-aat-layout-kerx-table.hh", "src/src/hb-aat-layout-morx-table.hh", "src/src/hb-aat-layout-opbd-table.hh", "src/src/hb-aat-layout-trak-table.hh", "src/src/hb-aat-layout.cc", "src/src/hb-aat-layout.h", "src/src/hb-aat-layout.hh", "src/src/hb-aat-ltag-table.hh", "src/src/hb-aat-map.cc", "src/src/hb-aat-map.hh", "src/src/hb-aat.h", "src/src/hb-algs.hh", "src/src/hb-array.hh", "src/src/hb-atomic.hh", "src/src/hb-bimap.hh", "src/src/hb-bit-page.hh", "src/src/hb-bit-set-invertible.hh", "src/src/hb-bit-set.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-verify.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-cplusplus.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-icu.cc", "src/src/hb-iter.hh", "src/src/hb-kern.hh", "src/src/hb-machinery.hh", "src/src/hb-map.cc", "src/src/hb-map.hh", "src/src/hb-meta.hh", "src/src/hb-ms-feature-ranges.hh", "src/src/hb-mutex.hh", "src/src/hb-null.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-std-str.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-cmap-table.hh", "src/src/hb-ot-color-cbdt-table.hh", "src/src/hb-ot-color-colr-table.hh", "src/src/hb-ot-color-colrv1-closure.hh", "src/src/hb-ot-color-cpal-table.hh", "src/src/hb-ot-color-sbix-table.hh", "src/src/hb-ot-color-svg-table.hh", "src/src/hb-ot-color.cc", "src/src/hb-ot-color.h", "src/src/hb-ot-deprecated.h", "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-glyf-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-jstf-table.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-name.h", "src/src/hb-ot-os2-table.hh", "src/src/hb-ot-os2-unicode-ranges.hh", "src/src/hb-ot-post-macroman.hh", "src/src/hb-ot-post-table-v2subset.hh", "src/src/hb-ot-post-table.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-shaper-arabic-fallback.hh", "src/src/hb-ot-shaper-arabic-joining-list.hh", "src/src/hb-ot-shaper-arabic-pua.hh", "src/src/hb-ot-shaper-arabic-table.hh", "src/src/hb-ot-shaper-arabic-win1256.hh", "src/src/hb-ot-shaper-arabic.cc", "src/src/hb-ot-shaper-arabic.hh", "src/src/hb-ot-shaper-default.cc", "src/src/hb-ot-shaper-hangul.cc", "src/src/hb-ot-shaper-hebrew.cc", "src/src/hb-ot-shaper-indic-machine.hh", "src/src/hb-ot-shaper-indic-table.cc", "src/src/hb-ot-shaper-indic.cc", "src/src/hb-ot-shaper-indic.hh", "src/src/hb-ot-shaper-khmer-machine.hh", "src/src/hb-ot-shaper-khmer.cc", "src/src/hb-ot-shaper-myanmar-machine.hh", "src/src/hb-ot-shaper-myanmar.cc", "src/src/hb-ot-shaper-syllabic.cc", "src/src/hb-ot-shaper-syllabic.hh", "src/src/hb-ot-shaper-thai.cc", "src/src/hb-ot-shaper-use-machine.hh", "src/src/hb-ot-shaper-use-table.hh", "src/src/hb-ot-shaper-use.cc", "src/src/hb-ot-shaper-vowel-constraints.cc", "src/src/hb-ot-shaper-vowel-constraints.hh", "src/src/hb-ot-shaper.hh", "src/src/hb-ot-stat-table.hh", "src/src/hb-ot-tag-table.hh", "src/src/hb-ot-tag.cc", "src/src/hb-ot-var-avar-table.hh", "src/src/hb-ot-var-common.hh", "src/src/hb-ot-var-fvar-table.hh", "src/src/hb-ot-var-gvar-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-ot-vorg-table.hh", "src/src/hb-pool.hh", "src/src/hb-priority-queue.hh", "src/src/hb-repacker.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-cff1.hh", "src/src/hb-subset-cff2.cc", "src/src/hb-subset-cff2.hh", "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-repacker.cc", "src/src/hb-subset-repacker.h", "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-vector.hh", "src/src/hb.hh", ] # The following sources are explictly not used. # They are referenced to aid in detecting previously uncategorized files. unused_sources = [ "src/src/hb-coretext.cc", "src/src/hb-coretext.h", "src/src/hb-directwrite.cc", "src/src/hb-directwrite.h", "src/src/hb-fallback-shape.cc", "src/src/hb-gdi.cc", "src/src/hb-gdi.h", "src/src/hb-gobject-structs.cc", "src/src/hb-gobject-structs.h", "src/src/hb-gobject.h", "src/src/hb-graphite2.cc", "src/src/hb-graphite2.h", "src/src/hb-style.cc", "src/src/hb-style.h", "src/src/hb-uniscribe.cc", "src/src/hb-uniscribe.h", ] assert(unused_sources != []) 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", # 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", # No experimental font format extensions yet. "HB_NO_BORING_EXPANSION", # Buffer verification not used in production build. "HB_NO_BUFFER_VERIFY", # We're not using HarfBuzz' drawing functions or debug tools in this build. "HB_NO_DRAW", # 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:/crbug.com/1203071 "HB_NO_PRAGMA_GCC_DIAGNOSTIC_ERROR", "HB_NO_PRAGMA_GCC_DIAGNOSTIC_WARNING", ] 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)" ] } else { defines += [ "HB_EXTERN=__attribute__((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 we need # to include metrics symbols (i.e. have HB_NO_METRICS undefined) to # prevent pango from using the system library. Currently, HB_NO_METRICS # is always disabled, due to # https://github.com/harfbuzz/harfbuzz/issues/3482 - if that changes # "HB_NO_METRICS" needs to be removed from the defines list here. # TODO(https://crbug.com/1148459): Remove this workaround once bug # 1148459 is fixed. } } 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" }