# Copyright 2016 Google Inc. # # Use of this source code is governed by a BSD-style license that can be # found in the LICENSE file. import("../../gn/skia.gni") import("../third_party.gni") import("icu.gni") declare_args() { skia_use_system_icu = is_official_build && !is_wasm } if (skia_use_system_icu) { system("icu") { libs = [ "icuuc" ] defines = [ "U_USING_ICU_NAMESPACE=0" ] } } else { if (target_cpu == "wasm") { data_assembly = "$target_gen_dir/icudtl_dat.cpp" } else { data_assembly = "$target_gen_dir/icudtl_dat.S" } data_dir = "../externals/icu/" if (target_cpu == "wasm") { # Use a super super super stripped down version for wasm, # which is the same thing flutter is using. data_dir += "flutter" } else if (is_android) { data_dir += "android" } else if (is_ios) { data_dir += "ios" } else { data_dir += "common" } action("make_data_assembly") { if (target_cpu == "wasm") { _u_icu_version_major_num = "69" # defined in source/common/unicode/uvernum.h script = "make_data_cpp.py" inputs = [ "$data_dir/icudtl.dat" ] outputs = [ data_assembly ] args = [ "icudt${_u_icu_version_major_num}_dat", rebase_path(inputs[0], root_build_dir), rebase_path(data_assembly, root_build_dir), ] } else { script = "../externals/icu/scripts/make_data_assembly.py" inputs = [ "$data_dir/icudtl.dat" ] outputs = [ "$data_assembly" ] args = [ rebase_path(inputs[0], root_build_dir), rebase_path(data_assembly, root_build_dir), ] if (is_mac || is_ios) { args += [ "--mac" ] } } } third_party("headers") { public_include_dirs = [ "../externals/icu/source/common", "../externals/icu/source/i18n", ".", ] public_defines = [ "U_USING_ICU_NAMESPACE=0", "U_DISABLE_RENAMING", ] } third_party("icu") { public_include_dirs = [ "../externals/icu/source/common", "../externals/icu/source/i18n", ".", ] public_defines = [ "U_USING_ICU_NAMESPACE=0", "U_DISABLE_RENAMING", "SK_USING_THIRD_PARTY_ICU", ] configs = [ "//gn/portable:add_rtti" ] defines = [ # http://userguide.icu-project.org/howtouseicu "U_COMMON_IMPLEMENTATION", "U_STATIC_IMPLEMENTATION", "U_ENABLE_DYLOAD=0", "U_I18N_IMPLEMENTATION", # If we don't set this to zero, ICU will set it to 600, # which makes Macs set _POSIX_C_SOURCE=200112L, # which makes Macs set __DARWIN_C_LEVEL=_POSIX_C_SOURCE instead of =__DARWIN_C_FULL, # which makes not expose timespec_get, # which makes recent libc++ not #include-able with -std=c++17. "_XOPEN_SOURCE=0", ] if (target_cpu == "wasm") { # Tell ICU that we are a 32 bit platform, otherwise, # double-conversion-utils.h doesn't know how to operate. defines += [ "__i386__" ] } sources = icu_sources if (is_win) { deps = [ ":icudata" ] public_defines += [ "U_NOEXCEPT=", "U_STATIC_IMPLEMENTATION", ] libs = [ "Advapi32.lib" ] sources += [ "../externals/icu/source/stubdata/stubdata.cpp", "SkLoadICU.cpp", ] } else { sources += [ "$data_assembly" ] deps = [ ":make_data_assembly" ] } } copy("icudata") { sources = [ "../externals/icu/common/icudtl.dat" ] outputs = [ "$root_out_dir/icudtl.dat" ] data = [ "$root_out_dir/icudtl.dat" ] } }