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# Copyright 2016 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("//chromium/build/config/linux/pkg_config.gni")
import("//chromium/build/shim_headers.gni")
group("icu") {
public_deps = [
":icui18n",
":icuuc",
]
}
config("icu_config") {
defines = [
"USING_SYSTEM_ICU=1",
"ICU_UTIL_DATA_IMPL=ICU_UTIL_DATA_STATIC",
# U_EXPORT (defined in unicode/platform.h) is used to set public visibility
# on classes through the U_COMMON_API and U_I18N_API macros (among others).
# When linking against the system ICU library, we want its symbols to have
# public LTO visibility. This disables CFI checks for the ICU classes and
# allows whole-program optimization to be applied to the rest of Chromium.
#
# Both U_COMMON_API and U_I18N_API macros would be defined to U_EXPORT only
# when U_COMBINED_IMPLEMENTATION is defined (see unicode/utypes.h). Because
# we override the default system UCHAR_TYPE (char16_t), it is not possible
# to use U_COMBINED_IMPLEMENTATION at this moment, meaning the U_COMMON_API
# and U_I18N_API macros are set to U_IMPORT which is an empty definition.
#
# Until building with UCHAR_TYPE=char16_t is supported, one way to apply
# public visibility (and thus public LTO visibility) to all ICU classes is
# to define U_IMPORT to have the same value as U_EXPORT. For more details,
"U_IMPORT=U_EXPORT",
]
}
pkg_config("system_icui18n") {
packages = [ "icu-i18n" ]
}
pkg_config("system_icuuc") {
packages = [ "icu-uc" ]
}
source_set("icui18n") {
deps = [ ":icui18n_shim" ]
public_configs = [
":icu_config",
":system_icui18n",
]
}
source_set("icuuc") {
deps = [ ":icuuc_shim" ]
public_configs = [
":icu_config",
":system_icuuc",
]
}
shim_headers("icui18n_shim") {
root_path = "source/i18n"
headers = [
# This list can easily be updated using the commands below:
# cd third_party/icu/source/i18n
# find unicode -iname '*.h' -printf ' "%p",\n' | LC_ALL=C sort -u
"unicode/alphaindex.h",
"unicode/basictz.h",
"unicode/calendar.h",
"unicode/choicfmt.h",
"unicode/coleitr.h",
"unicode/coll.h",
"unicode/compactdecimalformat.h",
"unicode/curramt.h",
"unicode/currpinf.h",
"unicode/currunit.h",
"unicode/datefmt.h",
"unicode/dcfmtsym.h",
"unicode/decimfmt.h",
"unicode/dtfmtsym.h",
"unicode/dtitvfmt.h",
"unicode/dtitvinf.h",
"unicode/dtptngen.h",
"unicode/dtrule.h",
"unicode/fieldpos.h",
"unicode/fmtable.h",
"unicode/format.h",
"unicode/fpositer.h",
"unicode/gender.h",
"unicode/gregocal.h",
"unicode/listformatter.h",
"unicode/measfmt.h",
"unicode/measunit.h",
"unicode/measure.h",
"unicode/msgfmt.h",
"unicode/numfmt.h",
"unicode/numsys.h",
"unicode/plurfmt.h",
"unicode/plurrule.h",
"unicode/rbnf.h",
"unicode/rbtz.h",
"unicode/regex.h",
"unicode/region.h",
"unicode/reldatefmt.h",
"unicode/scientificnumberformatter.h",
"unicode/search.h",
"unicode/selfmt.h",
"unicode/simpletz.h",
"unicode/smpdtfmt.h",
"unicode/sortkey.h",
"unicode/stsearch.h",
"unicode/tblcoll.h",
"unicode/timezone.h",
"unicode/tmunit.h",
"unicode/tmutamt.h",
"unicode/tmutfmt.h",
"unicode/translit.h",
"unicode/tzfmt.h",
"unicode/tznames.h",
"unicode/tzrule.h",
"unicode/tztrans.h",
"unicode/ucal.h",
"unicode/ucol.h",
"unicode/ucoleitr.h",
"unicode/ucsdet.h",
"unicode/udat.h",
"unicode/udateintervalformat.h",
"unicode/udatpg.h",
"unicode/ufieldpositer.h",
"unicode/uformattable.h",
"unicode/ugender.h",
"unicode/ulocdata.h",
"unicode/umsg.h",
"unicode/unirepl.h",
"unicode/unum.h",
"unicode/unumsys.h",
"unicode/upluralrules.h",
"unicode/uregex.h",
"unicode/uregion.h",
"unicode/ureldatefmt.h",
"unicode/usearch.h",
"unicode/uspoof.h",
"unicode/utmscale.h",
"unicode/utrans.h",
"unicode/vtzone.h",
]
}
shim_headers("icuuc_shim") {
root_path = "source/common"
headers = [
# This list can easily be updated using the commands below:
# cd third_party/icu/source/common
# find unicode -iname '*.h' -printf ' "%p",\n' | LC_ALL=C sort -u
"unicode/appendable.h",
"unicode/brkiter.h",
"unicode/bytestream.h",
"unicode/bytestrie.h",
"unicode/bytestriebuilder.h",
"unicode/caniter.h",
"unicode/casemap.h",
"unicode/char16ptr.h",
"unicode/chariter.h",
"unicode/dbbi.h",
"unicode/docmain.h",
"unicode/dtintrv.h",
"unicode/edits.h",
"unicode/enumset.h",
"unicode/errorcode.h",
"unicode/filteredbrk.h",
"unicode/icudataver.h",
"unicode/icuplug.h",
"unicode/idna.h",
"unicode/localematcher.h",
"unicode/localpointer.h",
"unicode/locdspnm.h",
"unicode/locid.h",
"unicode/messagepattern.h",
"unicode/normalizer2.h",
"unicode/normlzr.h",
"unicode/parseerr.h",
"unicode/parsepos.h",
"unicode/platform.h",
"unicode/ptypes.h",
"unicode/putil.h",
"unicode/rbbi.h",
"unicode/rep.h",
"unicode/resbund.h",
"unicode/schriter.h",
"unicode/simpleformatter.h",
"unicode/std_string.h",
"unicode/strenum.h",
"unicode/stringpiece.h",
"unicode/stringtriebuilder.h",
"unicode/symtable.h",
"unicode/ubidi.h",
"unicode/ubiditransform.h",
"unicode/ubrk.h",
"unicode/ucasemap.h",
"unicode/ucat.h",
"unicode/uchar.h",
"unicode/ucharstrie.h",
"unicode/ucharstriebuilder.h",
"unicode/uchriter.h",
"unicode/uclean.h",
"unicode/ucnv.h",
"unicode/ucnv_cb.h",
"unicode/ucnv_err.h",
"unicode/ucnvsel.h",
"unicode/uconfig.h",
"unicode/ucurr.h",
"unicode/udata.h",
"unicode/udisplaycontext.h",
"unicode/uenum.h",
"unicode/uidna.h",
"unicode/uiter.h",
"unicode/uldnames.h",
"unicode/ulistformatter.h",
"unicode/uloc.h",
"unicode/umachine.h",
"unicode/umisc.h",
"unicode/unifilt.h",
"unicode/unifunct.h",
"unicode/unimatch.h",
"unicode/uniset.h",
"unicode/unistr.h",
"unicode/unorm.h",
"unicode/unorm2.h",
"unicode/uobject.h",
"unicode/urename.h",
"unicode/urep.h",
"unicode/ures.h",
"unicode/uscript.h",
"unicode/uset.h",
"unicode/usetiter.h",
"unicode/ushape.h",
"unicode/usprep.h",
"unicode/ustring.h",
"unicode/ustringtrie.h",
"unicode/utext.h",
"unicode/utf.h",
"unicode/utf16.h",
"unicode/utf32.h",
"unicode/utf8.h",
"unicode/utf_old.h",
"unicode/utrace.h",
"unicode/utypes.h",
"unicode/uvernum.h",
"unicode/uversion.h",
]
}