Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

14 files changed, 971 insertions, 0 deletions

diff --git a/config/external/icu/common/moz.build b/config/external/icu/common/moz.build
new file mode 100644
index 0000000000..b670c06222
--- /dev/null
+++ b/config/external/icu/common/moz.build
@@ -0,0 +1,34 @@
+# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+Library("icuuc")
+FINAL_LIBRARY = "icu"
+
+DEFINES["U_COMMON_IMPLEMENTATION"] = True
+
+LOCAL_INCLUDES += ["/intl/icu/source/i18n"]
+
+include("../defs.mozbuild")
+include("sources.mozbuild")
+
+SOURCES += sources
+
+if CONFIG["TARGET_ENDIANNESS"] == "big":
+    HostLibrary("host_icuuc")
+    HOST_DEFINES["U_COMMON_IMPLEMENTATION"] = True
+    HOST_SOURCES += sources
+    HOST_SOURCES += other_sources
+
+# Clang 16 added an error that can be downgraded, but won't be downgradable
+# in clang 17.
+# https://unicode-org.atlassian.net/browse/ICU-22113
+if (
+    CONFIG["CC_TYPE"] in ("clang", "clang-cl")
+    and int(CONFIG["CC_VERSION"].split(".")[0]) == 16
+):
+    SOURCES["/intl/icu/source/common/ubidi.cpp"].flags += [
+        "-Wno-error=enum-constexpr-conversion"
+    ]
diff --git a/config/external/icu/common/sources.mozbuild b/config/external/icu/common/sources.mozbuild
new file mode 100644
index 0000000000..a8ac190241
--- /dev/null
+++ b/config/external/icu/common/sources.mozbuild
@@ -0,0 +1,305 @@
+# THIS FILE IS GENERATED BY /intl/icu_sources_data.py DO NOT EDIT
+sources = [
+    "/intl/icu/source/common/appendable.cpp",
+    "/intl/icu/source/common/bmpset.cpp",
+    "/intl/icu/source/common/brkeng.cpp",
+    "/intl/icu/source/common/brkiter.cpp",
+    "/intl/icu/source/common/bytesinkutil.cpp",
+    "/intl/icu/source/common/bytestream.cpp",
+    "/intl/icu/source/common/bytestrie.cpp",
+    "/intl/icu/source/common/bytestriebuilder.cpp",
+    "/intl/icu/source/common/caniter.cpp",
+    "/intl/icu/source/common/characterproperties.cpp",
+    "/intl/icu/source/common/chariter.cpp",
+    "/intl/icu/source/common/charstr.cpp",
+    "/intl/icu/source/common/cmemory.cpp",
+    "/intl/icu/source/common/cstring.cpp",
+    "/intl/icu/source/common/dictbe.cpp",
+    "/intl/icu/source/common/dictionarydata.cpp",
+    "/intl/icu/source/common/dtintrv.cpp",
+    "/intl/icu/source/common/edits.cpp",
+    "/intl/icu/source/common/emojiprops.cpp",
+    "/intl/icu/source/common/errorcode.cpp",
+    "/intl/icu/source/common/filteredbrk.cpp",
+    "/intl/icu/source/common/filterednormalizer2.cpp",
+    "/intl/icu/source/common/loadednormalizer2impl.cpp",
+    "/intl/icu/source/common/localebuilder.cpp",
+    "/intl/icu/source/common/localematcher.cpp",
+    "/intl/icu/source/common/localeprioritylist.cpp",
+    "/intl/icu/source/common/locavailable.cpp",
+    "/intl/icu/source/common/locbased.cpp",
+    "/intl/icu/source/common/locdispnames.cpp",
+    "/intl/icu/source/common/locdistance.cpp",
+    "/intl/icu/source/common/locdspnm.cpp",
+    "/intl/icu/source/common/locid.cpp",
+    "/intl/icu/source/common/loclikely.cpp",
+    "/intl/icu/source/common/loclikelysubtags.cpp",
+    "/intl/icu/source/common/locmap.cpp",
+    "/intl/icu/source/common/locresdata.cpp",
+    "/intl/icu/source/common/locutil.cpp",
+    "/intl/icu/source/common/lsr.cpp",
+    "/intl/icu/source/common/lstmbe.cpp",
+    "/intl/icu/source/common/messagepattern.cpp",
+    "/intl/icu/source/common/mlbe.cpp",
+    "/intl/icu/source/common/normalizer2.cpp",
+    "/intl/icu/source/common/normalizer2impl.cpp",
+    "/intl/icu/source/common/normlzr.cpp",
+    "/intl/icu/source/common/parsepos.cpp",
+    "/intl/icu/source/common/patternprops.cpp",
+    "/intl/icu/source/common/propname.cpp",
+    "/intl/icu/source/common/punycode.cpp",
+    "/intl/icu/source/common/putil.cpp",
+    "/intl/icu/source/common/rbbi.cpp",
+    "/intl/icu/source/common/rbbi_cache.cpp",
+    "/intl/icu/source/common/rbbidata.cpp",
+    "/intl/icu/source/common/rbbinode.cpp",
+    "/intl/icu/source/common/rbbirb.cpp",
+    "/intl/icu/source/common/rbbiscan.cpp",
+    "/intl/icu/source/common/rbbisetb.cpp",
+    "/intl/icu/source/common/rbbistbl.cpp",
+    "/intl/icu/source/common/rbbitblb.cpp",
+    "/intl/icu/source/common/resbund.cpp",
+    "/intl/icu/source/common/resource.cpp",
+    "/intl/icu/source/common/restrace.cpp",
+    "/intl/icu/source/common/ruleiter.cpp",
+    "/intl/icu/source/common/schriter.cpp",
+    "/intl/icu/source/common/serv.cpp",
+    "/intl/icu/source/common/servlk.cpp",
+    "/intl/icu/source/common/servlkf.cpp",
+    "/intl/icu/source/common/servls.cpp",
+    "/intl/icu/source/common/servnotf.cpp",
+    "/intl/icu/source/common/servrbf.cpp",
+    "/intl/icu/source/common/servslkf.cpp",
+    "/intl/icu/source/common/sharedobject.cpp",
+    "/intl/icu/source/common/simpleformatter.cpp",
+    "/intl/icu/source/common/static_unicode_sets.cpp",
+    "/intl/icu/source/common/stringpiece.cpp",
+    "/intl/icu/source/common/stringtriebuilder.cpp",
+    "/intl/icu/source/common/uarrsort.cpp",
+    "/intl/icu/source/common/ubidi.cpp",
+    "/intl/icu/source/common/ubidi_props.cpp",
+    "/intl/icu/source/common/ubidiln.cpp",
+    "/intl/icu/source/common/ubidiwrt.cpp",
+    "/intl/icu/source/common/ubrk.cpp",
+    "/intl/icu/source/common/ucase.cpp",
+    "/intl/icu/source/common/ucasemap.cpp",
+    "/intl/icu/source/common/ucasemap_titlecase_brkiter.cpp",
+    "/intl/icu/source/common/uchar.cpp",
+    "/intl/icu/source/common/ucharstrie.cpp",
+    "/intl/icu/source/common/ucharstriebuilder.cpp",
+    "/intl/icu/source/common/ucharstrieiterator.cpp",
+    "/intl/icu/source/common/uchriter.cpp",
+    "/intl/icu/source/common/ucln_cmn.cpp",
+    "/intl/icu/source/common/ucmndata.cpp",
+    "/intl/icu/source/common/ucnv.cpp",
+    "/intl/icu/source/common/ucnv_bld.cpp",
+    "/intl/icu/source/common/ucnv_cb.cpp",
+    "/intl/icu/source/common/ucnv_cnv.cpp",
+    "/intl/icu/source/common/ucnv_err.cpp",
+    "/intl/icu/source/common/ucnv_io.cpp",
+    "/intl/icu/source/common/ucnv_u16.cpp",
+    "/intl/icu/source/common/ucnv_u32.cpp",
+    "/intl/icu/source/common/ucnv_u7.cpp",
+    "/intl/icu/source/common/ucnv_u8.cpp",
+    "/intl/icu/source/common/ucnvbocu.cpp",
+    "/intl/icu/source/common/ucnvlat1.cpp",
+    "/intl/icu/source/common/ucnvscsu.cpp",
+    "/intl/icu/source/common/ucol_swp.cpp",
+    "/intl/icu/source/common/ucptrie.cpp",
+    "/intl/icu/source/common/ucurr.cpp",
+    "/intl/icu/source/common/udata.cpp",
+    "/intl/icu/source/common/udatamem.cpp",
+    "/intl/icu/source/common/udataswp.cpp",
+    "/intl/icu/source/common/uenum.cpp",
+    "/intl/icu/source/common/uhash.cpp",
+    "/intl/icu/source/common/uhash_us.cpp",
+    "/intl/icu/source/common/uinit.cpp",
+    "/intl/icu/source/common/uinvchar.cpp",
+    "/intl/icu/source/common/uiter.cpp",
+    "/intl/icu/source/common/ulist.cpp",
+    "/intl/icu/source/common/uloc.cpp",
+    "/intl/icu/source/common/uloc_keytype.cpp",
+    "/intl/icu/source/common/uloc_tag.cpp",
+    "/intl/icu/source/common/umapfile.cpp",
+    "/intl/icu/source/common/umath.cpp",
+    "/intl/icu/source/common/umutablecptrie.cpp",
+    "/intl/icu/source/common/umutex.cpp",
+    "/intl/icu/source/common/unames.cpp",
+    "/intl/icu/source/common/unifiedcache.cpp",
+    "/intl/icu/source/common/unifilt.cpp",
+    "/intl/icu/source/common/unifunct.cpp",
+    "/intl/icu/source/common/uniset.cpp",
+    "/intl/icu/source/common/uniset_closure.cpp",
+    "/intl/icu/source/common/uniset_props.cpp",
+    "/intl/icu/source/common/unisetspan.cpp",
+    "/intl/icu/source/common/unistr.cpp",
+    "/intl/icu/source/common/unistr_case.cpp",
+    "/intl/icu/source/common/unistr_case_locale.cpp",
+    "/intl/icu/source/common/unistr_cnv.cpp",
+    "/intl/icu/source/common/unistr_props.cpp",
+    "/intl/icu/source/common/unistr_titlecase_brkiter.cpp",
+    "/intl/icu/source/common/unormcmp.cpp",
+    "/intl/icu/source/common/uobject.cpp",
+    "/intl/icu/source/common/uprops.cpp",
+    "/intl/icu/source/common/uresbund.cpp",
+    "/intl/icu/source/common/uresdata.cpp",
+    "/intl/icu/source/common/uscript.cpp",
+    "/intl/icu/source/common/uscript_props.cpp",
+    "/intl/icu/source/common/uset.cpp",
+    "/intl/icu/source/common/uset_props.cpp",
+    "/intl/icu/source/common/usetiter.cpp",
+    "/intl/icu/source/common/usprep.cpp",
+    "/intl/icu/source/common/ustack.cpp",
+    "/intl/icu/source/common/ustr_cnv.cpp",
+    "/intl/icu/source/common/ustr_titlecase_brkiter.cpp",
+    "/intl/icu/source/common/ustrcase.cpp",
+    "/intl/icu/source/common/ustrcase_locale.cpp",
+    "/intl/icu/source/common/ustrenum.cpp",
+    "/intl/icu/source/common/ustrfmt.cpp",
+    "/intl/icu/source/common/ustring.cpp",
+    "/intl/icu/source/common/ustrtrns.cpp",
+    "/intl/icu/source/common/utext.cpp",
+    "/intl/icu/source/common/utf_impl.cpp",
+    "/intl/icu/source/common/util.cpp",
+    "/intl/icu/source/common/utrace.cpp",
+    "/intl/icu/source/common/utrie.cpp",
+    "/intl/icu/source/common/utrie2.cpp",
+    "/intl/icu/source/common/utrie2_builder.cpp",
+    "/intl/icu/source/common/utrie_swap.cpp",
+    "/intl/icu/source/common/uts46.cpp",
+    "/intl/icu/source/common/utypes.cpp",
+    "/intl/icu/source/common/uvector.cpp",
+    "/intl/icu/source/common/uvectr32.cpp",
+    "/intl/icu/source/common/uvectr64.cpp",
+    "/intl/icu/source/common/wintz.cpp",
+]
+other_sources = [
+    "/intl/icu/source/common/bytestrieiterator.cpp",
+    "/intl/icu/source/common/cstr.cpp",
+    "/intl/icu/source/common/cwchar.cpp",
+    "/intl/icu/source/common/icudataver.cpp",
+    "/intl/icu/source/common/icuplug.cpp",
+    "/intl/icu/source/common/pluralmap.cpp",
+    "/intl/icu/source/common/propsvec.cpp",
+    "/intl/icu/source/common/resbund_cnv.cpp",
+    "/intl/icu/source/common/ubiditransform.cpp",
+    "/intl/icu/source/common/ucat.cpp",
+    "/intl/icu/source/common/ucnv2022.cpp",
+    "/intl/icu/source/common/ucnv_ct.cpp",
+    "/intl/icu/source/common/ucnv_ext.cpp",
+    "/intl/icu/source/common/ucnv_lmb.cpp",
+    "/intl/icu/source/common/ucnv_set.cpp",
+    "/intl/icu/source/common/ucnvdisp.cpp",
+    "/intl/icu/source/common/ucnvhz.cpp",
+    "/intl/icu/source/common/ucnvisci.cpp",
+    "/intl/icu/source/common/ucnvmbcs.cpp",
+    "/intl/icu/source/common/ucnvsel.cpp",
+    "/intl/icu/source/common/uidna.cpp",
+    "/intl/icu/source/common/unorm.cpp",
+    "/intl/icu/source/common/ures_cnv.cpp",
+    "/intl/icu/source/common/usc_impl.cpp",
+    "/intl/icu/source/common/ushape.cpp",
+    "/intl/icu/source/common/ustr_wcs.cpp",
+    "/intl/icu/source/common/util_props.cpp",
+]
+EXPORTS.unicode += [
+    "/intl/icu/source/common/unicode/appendable.h",
+    "/intl/icu/source/common/unicode/brkiter.h",
+    "/intl/icu/source/common/unicode/bytestream.h",
+    "/intl/icu/source/common/unicode/bytestrie.h",
+    "/intl/icu/source/common/unicode/bytestriebuilder.h",
+    "/intl/icu/source/common/unicode/caniter.h",
+    "/intl/icu/source/common/unicode/casemap.h",
+    "/intl/icu/source/common/unicode/char16ptr.h",
+    "/intl/icu/source/common/unicode/chariter.h",
+    "/intl/icu/source/common/unicode/dbbi.h",
+    "/intl/icu/source/common/unicode/docmain.h",
+    "/intl/icu/source/common/unicode/dtintrv.h",
+    "/intl/icu/source/common/unicode/edits.h",
+    "/intl/icu/source/common/unicode/enumset.h",
+    "/intl/icu/source/common/unicode/errorcode.h",
+    "/intl/icu/source/common/unicode/filteredbrk.h",
+    "/intl/icu/source/common/unicode/icudataver.h",
+    "/intl/icu/source/common/unicode/icuplug.h",
+    "/intl/icu/source/common/unicode/idna.h",
+    "/intl/icu/source/common/unicode/localebuilder.h",
+    "/intl/icu/source/common/unicode/localematcher.h",
+    "/intl/icu/source/common/unicode/localpointer.h",
+    "/intl/icu/source/common/unicode/locdspnm.h",
+    "/intl/icu/source/common/unicode/locid.h",
+    "/intl/icu/source/common/unicode/messagepattern.h",
+    "/intl/icu/source/common/unicode/normalizer2.h",
+    "/intl/icu/source/common/unicode/normlzr.h",
+    "/intl/icu/source/common/unicode/parseerr.h",
+    "/intl/icu/source/common/unicode/parsepos.h",
+    "/intl/icu/source/common/unicode/platform.h",
+    "/intl/icu/source/common/unicode/ptypes.h",
+    "/intl/icu/source/common/unicode/putil.h",
+    "/intl/icu/source/common/unicode/rbbi.h",
+    "/intl/icu/source/common/unicode/rep.h",
+    "/intl/icu/source/common/unicode/resbund.h",
+    "/intl/icu/source/common/unicode/schriter.h",
+    "/intl/icu/source/common/unicode/simpleformatter.h",
+    "/intl/icu/source/common/unicode/std_string.h",
+    "/intl/icu/source/common/unicode/strenum.h",
+    "/intl/icu/source/common/unicode/stringoptions.h",
+    "/intl/icu/source/common/unicode/stringpiece.h",
+    "/intl/icu/source/common/unicode/stringtriebuilder.h",
+    "/intl/icu/source/common/unicode/symtable.h",
+    "/intl/icu/source/common/unicode/ubidi.h",
+    "/intl/icu/source/common/unicode/ubiditransform.h",
+    "/intl/icu/source/common/unicode/ubrk.h",
+    "/intl/icu/source/common/unicode/ucasemap.h",
+    "/intl/icu/source/common/unicode/ucat.h",
+    "/intl/icu/source/common/unicode/uchar.h",
+    "/intl/icu/source/common/unicode/ucharstrie.h",
+    "/intl/icu/source/common/unicode/ucharstriebuilder.h",
+    "/intl/icu/source/common/unicode/uchriter.h",
+    "/intl/icu/source/common/unicode/uclean.h",
+    "/intl/icu/source/common/unicode/ucnv.h",
+    "/intl/icu/source/common/unicode/ucnv_cb.h",
+    "/intl/icu/source/common/unicode/ucnv_err.h",
+    "/intl/icu/source/common/unicode/ucnvsel.h",
+    "/intl/icu/source/common/unicode/uconfig.h",
+    "/intl/icu/source/common/unicode/ucpmap.h",
+    "/intl/icu/source/common/unicode/ucptrie.h",
+    "/intl/icu/source/common/unicode/ucurr.h",
+    "/intl/icu/source/common/unicode/udata.h",
+    "/intl/icu/source/common/unicode/udisplaycontext.h",
+    "/intl/icu/source/common/unicode/uenum.h",
+    "/intl/icu/source/common/unicode/uidna.h",
+    "/intl/icu/source/common/unicode/uiter.h",
+    "/intl/icu/source/common/unicode/uldnames.h",
+    "/intl/icu/source/common/unicode/uloc.h",
+    "/intl/icu/source/common/unicode/umachine.h",
+    "/intl/icu/source/common/unicode/umisc.h",
+    "/intl/icu/source/common/unicode/umutablecptrie.h",
+    "/intl/icu/source/common/unicode/unifilt.h",
+    "/intl/icu/source/common/unicode/unifunct.h",
+    "/intl/icu/source/common/unicode/unimatch.h",
+    "/intl/icu/source/common/unicode/uniset.h",
+    "/intl/icu/source/common/unicode/unistr.h",
+    "/intl/icu/source/common/unicode/unorm.h",
+    "/intl/icu/source/common/unicode/unorm2.h",
+    "/intl/icu/source/common/unicode/uobject.h",
+    "/intl/icu/source/common/unicode/urename.h",
+    "/intl/icu/source/common/unicode/urep.h",
+    "/intl/icu/source/common/unicode/ures.h",
+    "/intl/icu/source/common/unicode/uscript.h",
+    "/intl/icu/source/common/unicode/uset.h",
+    "/intl/icu/source/common/unicode/usetiter.h",
+    "/intl/icu/source/common/unicode/ushape.h",
+    "/intl/icu/source/common/unicode/usprep.h",
+    "/intl/icu/source/common/unicode/ustring.h",
+    "/intl/icu/source/common/unicode/ustringtrie.h",
+    "/intl/icu/source/common/unicode/utext.h",
+    "/intl/icu/source/common/unicode/utf.h",
+    "/intl/icu/source/common/unicode/utf16.h",
+    "/intl/icu/source/common/unicode/utf32.h",
+    "/intl/icu/source/common/unicode/utf8.h",
+    "/intl/icu/source/common/unicode/utf_old.h",
+    "/intl/icu/source/common/unicode/utrace.h",
+    "/intl/icu/source/common/unicode/utypes.h",
+    "/intl/icu/source/common/unicode/uvernum.h",
+    "/intl/icu/source/common/unicode/uversion.h",
+]
diff --git a/config/external/icu/data/convert_icudata.py b/config/external/icu/data/convert_icudata.py
new file mode 100644
index 0000000000..b09affb9d8
--- /dev/null
+++ b/config/external/icu/data/convert_icudata.py
@@ -0,0 +1,20 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+import subprocess
+
+import buildconfig
+
+
+def main(output, data_file):
+    output.close()
+    subprocess.run(
+        [
+            os.path.join(buildconfig.topobjdir, "dist", "host", "bin", "icupkg"),
+            "-tb",
+            data_file,
+            output.name,
+        ]
+    )
diff --git a/config/external/icu/data/icu_data.S b/config/external/icu/data/icu_data.S
new file mode 100644
index 0000000000..6ca4ce5973
--- /dev/null
+++ b/config/external/icu/data/icu_data.S
@@ -0,0 +1,29 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#if defined(_WIN32) && defined(__i386__)
+// Mark the object as SAFESEH-enabled.
+.def @feat.00;
+.scl 3;
+.type 0;
+.endef
+.global @feat.00
+.set @feat.00, 1
+#endif
+
+.global ICU_DATA_SYMBOL
+#if defined(__APPLE__)
+.data
+.const
+#elif defined(__wasi__)
+.section .rodata,"",@
+#else
+.section .rodata
+#endif
+.balign 16
+ICU_DATA_SYMBOL:
+.incbin ICU_DATA_FILE
+#ifdef __wasi__
+.size ICU_DATA_SYMBOL, . - ICU_DATA_SYMBOL
+#endif
diff --git a/config/external/icu/data/icudt73l.dat b/config/external/icu/data/icudt73l.dat
new file mode 100644
index 0000000000..b7c80341a8
--- /dev/null
+++ b/config/external/icu/data/icudt73l.dat
diff --git a/config/external/icu/data/moz.build b/config/external/icu/data/moz.build
new file mode 100644
index 0000000000..88926c94fa
--- /dev/null
+++ b/config/external/icu/data/moz.build
@@ -0,0 +1,40 @@
+# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# Build a library containing the ICU data for use in the JS shell, so that
+# JSAPI consumers don't have to deal with setting ICU's data path.
+Library("icudata")
+
+LOCAL_INCLUDES += ["."]
+
+prefix = ""
+if (CONFIG["OS_ARCH"] == "WINNT" and CONFIG["TARGET_CPU"] == "x86") or CONFIG[
+    "OS_ARCH"
+] == "Darwin":
+    prefix = "_"
+
+data_file = {
+    "little": "icudt%sl.dat" % CONFIG["MOZ_ICU_VERSION"],
+    "big": "icudt%sb.dat" % CONFIG["MOZ_ICU_VERSION"],
+}
+data_dir = {
+    "little": SRCDIR,
+    "big": OBJDIR,
+}
+endianness = CONFIG["TARGET_ENDIANNESS"] or "little"
+DEFINES["ICU_DATA_FILE"] = '"%s/%s"' % (data_dir[endianness], data_file[endianness])
+DEFINES["ICU_DATA_SYMBOL"] = "%sicudt%s_dat" % (prefix, CONFIG["MOZ_ICU_VERSION"])
+SOURCES += [
+    "icu_data.S",
+]
+
+if CONFIG["OS_ARCH"] == "WINNT" and CONFIG["CC_TYPE"] == "clang-cl":
+    USE_INTEGRATED_CLANGCL_AS = True
+
+if CONFIG["TARGET_ENDIANNESS"] == "big":
+    GeneratedFile(
+        data_file["big"], script="convert_icudata.py", inputs=[data_file["little"]]
+    )
diff --git a/config/external/icu/defs.mozbuild b/config/external/icu/defs.mozbuild
new file mode 100644
index 0000000000..d6d75358ef
--- /dev/null
+++ b/config/external/icu/defs.mozbuild
@@ -0,0 +1,75 @@
+# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# Also see <http://www.icu-project.org/repos/icu/tags/latest/icu4c/readme.html#RecBuild> for the
+# recommended build options when compiling ICU.
+# Don't use icu namespace automatically in client code.
+DEFINES["U_USING_ICU_NAMESPACE"] = 0
+# Don't include obsolete header files.
+DEFINES["U_NO_DEFAULT_INCLUDE_UTF_HEADERS"] = 1
+DEFINES["U_HIDE_OBSOLETE_UTF_OLD_H"] = 1
+
+# Remove chunks of the library that we don't need (yet).
+DEFINES["UCONFIG_NO_LEGACY_CONVERSION"] = True
+DEFINES["UCONFIG_NO_TRANSLITERATION"] = True
+DEFINES["UCONFIG_NO_REGULAR_EXPRESSIONS"] = True
+DEFINES["UCONFIG_NO_BREAK_ITERATION"] = True
+
+# We don't need to pass data to and from legacy char* APIs.
+DEFINES["U_CHARSET_IS_UTF8"] = True
+
+# Add 'explicit' keyword to UnicodeString constructors.
+DEFINES["UNISTR_FROM_CHAR_EXPLICIT"] = "explicit"
+DEFINES["UNISTR_FROM_STRING_EXPLICIT"] = "explicit"
+
+# Disable dynamic loading of ICU data as a loadable library.
+DEFINES["U_ENABLE_DYLOAD"] = 0
+
+if not CONFIG["HAVE_LANGINFO_CODESET"]:
+    DEFINES["U_HAVE_NL_LANGINFO_CODESET"] = 0
+
+if CONFIG["MOZ_DEBUG"]:
+    DEFINES["U_DEBUG"] = 1
+
+# ICU requires RTTI
+if CONFIG["CC_TYPE"] in ("clang", "gcc"):
+    CXXFLAGS += ["-frtti"]
+elif CONFIG["OS_TARGET"] == "WINNT":
+    # Remove the -GR- flag so we don't get a bunch of warning spam.
+    COMPILE_FLAGS["OS_CXXFLAGS"] = [
+        f for f in COMPILE_FLAGS["OS_CXXFLAGS"] if f != "-GR-"
+    ] + ["-GR"]
+
+DisableStlWrapping()
+AllowCompilerWarnings()
+
+# We allow compiler warnings, but we can at least cut down on spammy
+# warnings that get triggered for every file.
+if CONFIG["CC_TYPE"] in ("clang", "clang-cl"):
+    CFLAGS += [
+        "-Wno-c++20-compat",
+        "-Wno-comma",
+        "-Wno-implicit-const-int-float-conversion",
+        "-Wno-macro-redefined",
+        "-Wno-microsoft-include",
+        "-Wno-tautological-unsigned-enum-zero-compare",
+        "-Wno-unreachable-code-loop-increment",
+        "-Wno-unreachable-code-return",
+    ]
+    CXXFLAGS += [
+        "-Wno-c++20-compat",
+        "-Wno-comma",
+        "-Wno-implicit-const-int-float-conversion",
+        "-Wno-macro-redefined",
+        "-Wno-microsoft-include",
+        "-Wno-tautological-unsigned-enum-zero-compare",
+        "-Wno-unreachable-code-loop-increment",
+        "-Wno-unreachable-code-return",
+    ]
+
+for k, v in DEFINES.items():
+    if k != "UCONFIG_NO_LEGACY_CONVERSION":
+        HOST_DEFINES[k] = v
diff --git a/config/external/icu/i18n/moz.build b/config/external/icu/i18n/moz.build
new file mode 100644
index 0000000000..098aa7843f
--- /dev/null
+++ b/config/external/icu/i18n/moz.build
@@ -0,0 +1,24 @@
+# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+Library("icui18n")
+FINAL_LIBRARY = "icu"
+
+DEFINES["U_I18N_IMPLEMENTATION"] = True
+
+LOCAL_INCLUDES += ["/intl/icu/source/common"]
+LOCAL_INCLUDES += ["/mfbt/double-conversion"]
+
+include("../defs.mozbuild")
+include("sources.mozbuild")
+
+SOURCES += sources
+
+if CONFIG["TARGET_ENDIANNESS"] == "big":
+    HostLibrary("host_icui18n")
+    HOST_DEFINES["U_I18N_IMPLEMENTATION"] = True
+    HOST_SOURCES += sources
+    HOST_SOURCES += other_sources
diff --git a/config/external/icu/i18n/sources.mozbuild b/config/external/icu/i18n/sources.mozbuild
new file mode 100644
index 0000000000..b985d9be73
--- /dev/null
+++ b/config/external/icu/i18n/sources.mozbuild
@@ -0,0 +1,344 @@
+# THIS FILE IS GENERATED BY /intl/icu_sources_data.py DO NOT EDIT
+sources = [
+    "/intl/icu/source/i18n/astro.cpp",
+    "/intl/icu/source/i18n/basictz.cpp",
+    "/intl/icu/source/i18n/bocsu.cpp",
+    "/intl/icu/source/i18n/buddhcal.cpp",
+    "/intl/icu/source/i18n/calendar.cpp",
+    "/intl/icu/source/i18n/cecal.cpp",
+    "/intl/icu/source/i18n/chnsecal.cpp",
+    "/intl/icu/source/i18n/choicfmt.cpp",
+    "/intl/icu/source/i18n/coleitr.cpp",
+    "/intl/icu/source/i18n/coll.cpp",
+    "/intl/icu/source/i18n/collation.cpp",
+    "/intl/icu/source/i18n/collationbuilder.cpp",
+    "/intl/icu/source/i18n/collationcompare.cpp",
+    "/intl/icu/source/i18n/collationdata.cpp",
+    "/intl/icu/source/i18n/collationdatabuilder.cpp",
+    "/intl/icu/source/i18n/collationdatareader.cpp",
+    "/intl/icu/source/i18n/collationdatawriter.cpp",
+    "/intl/icu/source/i18n/collationfastlatin.cpp",
+    "/intl/icu/source/i18n/collationfastlatinbuilder.cpp",
+    "/intl/icu/source/i18n/collationfcd.cpp",
+    "/intl/icu/source/i18n/collationiterator.cpp",
+    "/intl/icu/source/i18n/collationkeys.cpp",
+    "/intl/icu/source/i18n/collationroot.cpp",
+    "/intl/icu/source/i18n/collationrootelements.cpp",
+    "/intl/icu/source/i18n/collationruleparser.cpp",
+    "/intl/icu/source/i18n/collationsets.cpp",
+    "/intl/icu/source/i18n/collationsettings.cpp",
+    "/intl/icu/source/i18n/collationtailoring.cpp",
+    "/intl/icu/source/i18n/collationweights.cpp",
+    "/intl/icu/source/i18n/compactdecimalformat.cpp",
+    "/intl/icu/source/i18n/coptccal.cpp",
+    "/intl/icu/source/i18n/curramt.cpp",
+    "/intl/icu/source/i18n/currfmt.cpp",
+    "/intl/icu/source/i18n/currpinf.cpp",
+    "/intl/icu/source/i18n/currunit.cpp",
+    "/intl/icu/source/i18n/dangical.cpp",
+    "/intl/icu/source/i18n/datefmt.cpp",
+    "/intl/icu/source/i18n/dayperiodrules.cpp",
+    "/intl/icu/source/i18n/dcfmtsym.cpp",
+    "/intl/icu/source/i18n/decContext.cpp",
+    "/intl/icu/source/i18n/decimfmt.cpp",
+    "/intl/icu/source/i18n/decNumber.cpp",
+    "/intl/icu/source/i18n/displayoptions.cpp",
+    "/intl/icu/source/i18n/dtfmtsym.cpp",
+    "/intl/icu/source/i18n/dtitvfmt.cpp",
+    "/intl/icu/source/i18n/dtitvinf.cpp",
+    "/intl/icu/source/i18n/dtptngen.cpp",
+    "/intl/icu/source/i18n/dtrule.cpp",
+    "/intl/icu/source/i18n/erarules.cpp",
+    "/intl/icu/source/i18n/ethpccal.cpp",
+    "/intl/icu/source/i18n/fmtable.cpp",
+    "/intl/icu/source/i18n/format.cpp",
+    "/intl/icu/source/i18n/formatted_string_builder.cpp",
+    "/intl/icu/source/i18n/formattedval_iterimpl.cpp",
+    "/intl/icu/source/i18n/formattedval_sbimpl.cpp",
+    "/intl/icu/source/i18n/formattedvalue.cpp",
+    "/intl/icu/source/i18n/fphdlimp.cpp",
+    "/intl/icu/source/i18n/fpositer.cpp",
+    "/intl/icu/source/i18n/gregocal.cpp",
+    "/intl/icu/source/i18n/gregoimp.cpp",
+    "/intl/icu/source/i18n/hebrwcal.cpp",
+    "/intl/icu/source/i18n/indiancal.cpp",
+    "/intl/icu/source/i18n/islamcal.cpp",
+    "/intl/icu/source/i18n/iso8601cal.cpp",
+    "/intl/icu/source/i18n/japancal.cpp",
+    "/intl/icu/source/i18n/listformatter.cpp",
+    "/intl/icu/source/i18n/measfmt.cpp",
+    "/intl/icu/source/i18n/measunit.cpp",
+    "/intl/icu/source/i18n/measunit_extra.cpp",
+    "/intl/icu/source/i18n/measure.cpp",
+    "/intl/icu/source/i18n/msgfmt.cpp",
+    "/intl/icu/source/i18n/nfrs.cpp",
+    "/intl/icu/source/i18n/nfrule.cpp",
+    "/intl/icu/source/i18n/nfsubs.cpp",
+    "/intl/icu/source/i18n/number_affixutils.cpp",
+    "/intl/icu/source/i18n/number_asformat.cpp",
+    "/intl/icu/source/i18n/number_capi.cpp",
+    "/intl/icu/source/i18n/number_compact.cpp",
+    "/intl/icu/source/i18n/number_currencysymbols.cpp",
+    "/intl/icu/source/i18n/number_decimalquantity.cpp",
+    "/intl/icu/source/i18n/number_decimfmtprops.cpp",
+    "/intl/icu/source/i18n/number_fluent.cpp",
+    "/intl/icu/source/i18n/number_formatimpl.cpp",
+    "/intl/icu/source/i18n/number_grouping.cpp",
+    "/intl/icu/source/i18n/number_integerwidth.cpp",
+    "/intl/icu/source/i18n/number_longnames.cpp",
+    "/intl/icu/source/i18n/number_mapper.cpp",
+    "/intl/icu/source/i18n/number_modifiers.cpp",
+    "/intl/icu/source/i18n/number_multiplier.cpp",
+    "/intl/icu/source/i18n/number_notation.cpp",
+    "/intl/icu/source/i18n/number_output.cpp",
+    "/intl/icu/source/i18n/number_padding.cpp",
+    "/intl/icu/source/i18n/number_patternmodifier.cpp",
+    "/intl/icu/source/i18n/number_patternstring.cpp",
+    "/intl/icu/source/i18n/number_rounding.cpp",
+    "/intl/icu/source/i18n/number_scientific.cpp",
+    "/intl/icu/source/i18n/number_simple.cpp",
+    "/intl/icu/source/i18n/number_skeletons.cpp",
+    "/intl/icu/source/i18n/number_symbolswrapper.cpp",
+    "/intl/icu/source/i18n/number_usageprefs.cpp",
+    "/intl/icu/source/i18n/number_utils.cpp",
+    "/intl/icu/source/i18n/numfmt.cpp",
+    "/intl/icu/source/i18n/numparse_affixes.cpp",
+    "/intl/icu/source/i18n/numparse_compositions.cpp",
+    "/intl/icu/source/i18n/numparse_currency.cpp",
+    "/intl/icu/source/i18n/numparse_decimal.cpp",
+    "/intl/icu/source/i18n/numparse_impl.cpp",
+    "/intl/icu/source/i18n/numparse_parsednumber.cpp",
+    "/intl/icu/source/i18n/numparse_scientific.cpp",
+    "/intl/icu/source/i18n/numparse_symbols.cpp",
+    "/intl/icu/source/i18n/numparse_validators.cpp",
+    "/intl/icu/source/i18n/numrange_capi.cpp",
+    "/intl/icu/source/i18n/numrange_fluent.cpp",
+    "/intl/icu/source/i18n/numrange_impl.cpp",
+    "/intl/icu/source/i18n/numsys.cpp",
+    "/intl/icu/source/i18n/olsontz.cpp",
+    "/intl/icu/source/i18n/persncal.cpp",
+    "/intl/icu/source/i18n/pluralranges.cpp",
+    "/intl/icu/source/i18n/plurfmt.cpp",
+    "/intl/icu/source/i18n/plurrule.cpp",
+    "/intl/icu/source/i18n/quantityformatter.cpp",
+    "/intl/icu/source/i18n/rbnf.cpp",
+    "/intl/icu/source/i18n/rbtz.cpp",
+    "/intl/icu/source/i18n/region.cpp",
+    "/intl/icu/source/i18n/reldatefmt.cpp",
+    "/intl/icu/source/i18n/reldtfmt.cpp",
+    "/intl/icu/source/i18n/rulebasedcollator.cpp",
+    "/intl/icu/source/i18n/scriptset.cpp",
+    "/intl/icu/source/i18n/search.cpp",
+    "/intl/icu/source/i18n/selfmt.cpp",
+    "/intl/icu/source/i18n/sharedbreakiterator.cpp",
+    "/intl/icu/source/i18n/simpletz.cpp",
+    "/intl/icu/source/i18n/smpdtfmt.cpp",
+    "/intl/icu/source/i18n/smpdtfst.cpp",
+    "/intl/icu/source/i18n/sortkey.cpp",
+    "/intl/icu/source/i18n/standardplural.cpp",
+    "/intl/icu/source/i18n/string_segment.cpp",
+    "/intl/icu/source/i18n/stsearch.cpp",
+    "/intl/icu/source/i18n/taiwncal.cpp",
+    "/intl/icu/source/i18n/timezone.cpp",
+    "/intl/icu/source/i18n/tmunit.cpp",
+    "/intl/icu/source/i18n/tmutamt.cpp",
+    "/intl/icu/source/i18n/tmutfmt.cpp",
+    "/intl/icu/source/i18n/tzfmt.cpp",
+    "/intl/icu/source/i18n/tzgnames.cpp",
+    "/intl/icu/source/i18n/tznames.cpp",
+    "/intl/icu/source/i18n/tznames_impl.cpp",
+    "/intl/icu/source/i18n/tzrule.cpp",
+    "/intl/icu/source/i18n/tztrans.cpp",
+    "/intl/icu/source/i18n/ucal.cpp",
+    "/intl/icu/source/i18n/ucln_in.cpp",
+    "/intl/icu/source/i18n/ucol.cpp",
+    "/intl/icu/source/i18n/ucol_res.cpp",
+    "/intl/icu/source/i18n/ucol_sit.cpp",
+    "/intl/icu/source/i18n/ucoleitr.cpp",
+    "/intl/icu/source/i18n/udat.cpp",
+    "/intl/icu/source/i18n/udateintervalformat.cpp",
+    "/intl/icu/source/i18n/udatpg.cpp",
+    "/intl/icu/source/i18n/ufieldpositer.cpp",
+    "/intl/icu/source/i18n/uitercollationiterator.cpp",
+    "/intl/icu/source/i18n/ulistformatter.cpp",
+    "/intl/icu/source/i18n/umsg.cpp",
+    "/intl/icu/source/i18n/units_complexconverter.cpp",
+    "/intl/icu/source/i18n/units_converter.cpp",
+    "/intl/icu/source/i18n/units_data.cpp",
+    "/intl/icu/source/i18n/units_router.cpp",
+    "/intl/icu/source/i18n/unum.cpp",
+    "/intl/icu/source/i18n/unumsys.cpp",
+    "/intl/icu/source/i18n/upluralrules.cpp",
+    "/intl/icu/source/i18n/usearch.cpp",
+    "/intl/icu/source/i18n/uspoof.cpp",
+    "/intl/icu/source/i18n/uspoof_impl.cpp",
+    "/intl/icu/source/i18n/utf16collationiterator.cpp",
+    "/intl/icu/source/i18n/utf8collationiterator.cpp",
+    "/intl/icu/source/i18n/utmscale.cpp",
+    "/intl/icu/source/i18n/vtzone.cpp",
+    "/intl/icu/source/i18n/windtfmt.cpp",
+    "/intl/icu/source/i18n/winnmfmt.cpp",
+    "/intl/icu/source/i18n/wintzimpl.cpp",
+    "/intl/icu/source/i18n/zonemeta.cpp",
+]
+other_sources = [
+    "/intl/icu/source/i18n/alphaindex.cpp",
+    "/intl/icu/source/i18n/anytrans.cpp",
+    "/intl/icu/source/i18n/brktrans.cpp",
+    "/intl/icu/source/i18n/casetrn.cpp",
+    "/intl/icu/source/i18n/cpdtrans.cpp",
+    "/intl/icu/source/i18n/csdetect.cpp",
+    "/intl/icu/source/i18n/csmatch.cpp",
+    "/intl/icu/source/i18n/csr2022.cpp",
+    "/intl/icu/source/i18n/csrecog.cpp",
+    "/intl/icu/source/i18n/csrmbcs.cpp",
+    "/intl/icu/source/i18n/csrsbcs.cpp",
+    "/intl/icu/source/i18n/csrucode.cpp",
+    "/intl/icu/source/i18n/csrutf8.cpp",
+    "/intl/icu/source/i18n/double-conversion-bignum-dtoa.cpp",
+    "/intl/icu/source/i18n/double-conversion-bignum.cpp",
+    "/intl/icu/source/i18n/double-conversion-cached-powers.cpp",
+    "/intl/icu/source/i18n/double-conversion-double-to-string.cpp",
+    "/intl/icu/source/i18n/double-conversion-fast-dtoa.cpp",
+    "/intl/icu/source/i18n/double-conversion-string-to-double.cpp",
+    "/intl/icu/source/i18n/double-conversion-strtod.cpp",
+    "/intl/icu/source/i18n/esctrn.cpp",
+    "/intl/icu/source/i18n/fmtable_cnv.cpp",
+    "/intl/icu/source/i18n/funcrepl.cpp",
+    "/intl/icu/source/i18n/gender.cpp",
+    "/intl/icu/source/i18n/inputext.cpp",
+    "/intl/icu/source/i18n/name2uni.cpp",
+    "/intl/icu/source/i18n/nortrans.cpp",
+    "/intl/icu/source/i18n/nultrans.cpp",
+    "/intl/icu/source/i18n/quant.cpp",
+    "/intl/icu/source/i18n/rbt.cpp",
+    "/intl/icu/source/i18n/rbt_data.cpp",
+    "/intl/icu/source/i18n/rbt_pars.cpp",
+    "/intl/icu/source/i18n/rbt_rule.cpp",
+    "/intl/icu/source/i18n/rbt_set.cpp",
+    "/intl/icu/source/i18n/regexcmp.cpp",
+    "/intl/icu/source/i18n/regeximp.cpp",
+    "/intl/icu/source/i18n/regexst.cpp",
+    "/intl/icu/source/i18n/regextxt.cpp",
+    "/intl/icu/source/i18n/rematch.cpp",
+    "/intl/icu/source/i18n/remtrans.cpp",
+    "/intl/icu/source/i18n/repattrn.cpp",
+    "/intl/icu/source/i18n/scientificnumberformatter.cpp",
+    "/intl/icu/source/i18n/strmatch.cpp",
+    "/intl/icu/source/i18n/strrepl.cpp",
+    "/intl/icu/source/i18n/titletrn.cpp",
+    "/intl/icu/source/i18n/tolowtrn.cpp",
+    "/intl/icu/source/i18n/toupptrn.cpp",
+    "/intl/icu/source/i18n/translit.cpp",
+    "/intl/icu/source/i18n/transreg.cpp",
+    "/intl/icu/source/i18n/tridpars.cpp",
+    "/intl/icu/source/i18n/ucsdet.cpp",
+    "/intl/icu/source/i18n/ulocdata.cpp",
+    "/intl/icu/source/i18n/unesctrn.cpp",
+    "/intl/icu/source/i18n/uni2name.cpp",
+    "/intl/icu/source/i18n/uregex.cpp",
+    "/intl/icu/source/i18n/uregexc.cpp",
+    "/intl/icu/source/i18n/uregion.cpp",
+    "/intl/icu/source/i18n/uspoof_build.cpp",
+    "/intl/icu/source/i18n/uspoof_conf.cpp",
+    "/intl/icu/source/i18n/utrans.cpp",
+    "/intl/icu/source/i18n/vzone.cpp",
+    "/intl/icu/source/i18n/zrule.cpp",
+    "/intl/icu/source/i18n/ztrans.cpp",
+]
+EXPORTS.unicode += [
+    "/intl/icu/source/i18n/unicode/alphaindex.h",
+    "/intl/icu/source/i18n/unicode/basictz.h",
+    "/intl/icu/source/i18n/unicode/calendar.h",
+    "/intl/icu/source/i18n/unicode/choicfmt.h",
+    "/intl/icu/source/i18n/unicode/coleitr.h",
+    "/intl/icu/source/i18n/unicode/coll.h",
+    "/intl/icu/source/i18n/unicode/compactdecimalformat.h",
+    "/intl/icu/source/i18n/unicode/curramt.h",
+    "/intl/icu/source/i18n/unicode/currpinf.h",
+    "/intl/icu/source/i18n/unicode/currunit.h",
+    "/intl/icu/source/i18n/unicode/datefmt.h",
+    "/intl/icu/source/i18n/unicode/dcfmtsym.h",
+    "/intl/icu/source/i18n/unicode/decimfmt.h",
+    "/intl/icu/source/i18n/unicode/displayoptions.h",
+    "/intl/icu/source/i18n/unicode/dtfmtsym.h",
+    "/intl/icu/source/i18n/unicode/dtitvfmt.h",
+    "/intl/icu/source/i18n/unicode/dtitvinf.h",
+    "/intl/icu/source/i18n/unicode/dtptngen.h",
+    "/intl/icu/source/i18n/unicode/dtrule.h",
+    "/intl/icu/source/i18n/unicode/fieldpos.h",
+    "/intl/icu/source/i18n/unicode/fmtable.h",
+    "/intl/icu/source/i18n/unicode/format.h",
+    "/intl/icu/source/i18n/unicode/formattednumber.h",
+    "/intl/icu/source/i18n/unicode/formattedvalue.h",
+    "/intl/icu/source/i18n/unicode/fpositer.h",
+    "/intl/icu/source/i18n/unicode/gender.h",
+    "/intl/icu/source/i18n/unicode/gregocal.h",
+    "/intl/icu/source/i18n/unicode/listformatter.h",
+    "/intl/icu/source/i18n/unicode/measfmt.h",
+    "/intl/icu/source/i18n/unicode/measunit.h",
+    "/intl/icu/source/i18n/unicode/measure.h",
+    "/intl/icu/source/i18n/unicode/msgfmt.h",
+    "/intl/icu/source/i18n/unicode/nounit.h",
+    "/intl/icu/source/i18n/unicode/numberformatter.h",
+    "/intl/icu/source/i18n/unicode/numberrangeformatter.h",
+    "/intl/icu/source/i18n/unicode/numfmt.h",
+    "/intl/icu/source/i18n/unicode/numsys.h",
+    "/intl/icu/source/i18n/unicode/plurfmt.h",
+    "/intl/icu/source/i18n/unicode/plurrule.h",
+    "/intl/icu/source/i18n/unicode/rbnf.h",
+    "/intl/icu/source/i18n/unicode/rbtz.h",
+    "/intl/icu/source/i18n/unicode/regex.h",
+    "/intl/icu/source/i18n/unicode/region.h",
+    "/intl/icu/source/i18n/unicode/reldatefmt.h",
+    "/intl/icu/source/i18n/unicode/scientificnumberformatter.h",
+    "/intl/icu/source/i18n/unicode/search.h",
+    "/intl/icu/source/i18n/unicode/selfmt.h",
+    "/intl/icu/source/i18n/unicode/simplenumberformatter.h",
+    "/intl/icu/source/i18n/unicode/simpletz.h",
+    "/intl/icu/source/i18n/unicode/smpdtfmt.h",
+    "/intl/icu/source/i18n/unicode/sortkey.h",
+    "/intl/icu/source/i18n/unicode/stsearch.h",
+    "/intl/icu/source/i18n/unicode/tblcoll.h",
+    "/intl/icu/source/i18n/unicode/timezone.h",
+    "/intl/icu/source/i18n/unicode/tmunit.h",
+    "/intl/icu/source/i18n/unicode/tmutamt.h",
+    "/intl/icu/source/i18n/unicode/tmutfmt.h",
+    "/intl/icu/source/i18n/unicode/translit.h",
+    "/intl/icu/source/i18n/unicode/tzfmt.h",
+    "/intl/icu/source/i18n/unicode/tznames.h",
+    "/intl/icu/source/i18n/unicode/tzrule.h",
+    "/intl/icu/source/i18n/unicode/tztrans.h",
+    "/intl/icu/source/i18n/unicode/ucal.h",
+    "/intl/icu/source/i18n/unicode/ucol.h",
+    "/intl/icu/source/i18n/unicode/ucoleitr.h",
+    "/intl/icu/source/i18n/unicode/ucsdet.h",
+    "/intl/icu/source/i18n/unicode/udat.h",
+    "/intl/icu/source/i18n/unicode/udateintervalformat.h",
+    "/intl/icu/source/i18n/unicode/udatpg.h",
+    "/intl/icu/source/i18n/unicode/udisplayoptions.h",
+    "/intl/icu/source/i18n/unicode/ufieldpositer.h",
+    "/intl/icu/source/i18n/unicode/uformattable.h",
+    "/intl/icu/source/i18n/unicode/uformattednumber.h",
+    "/intl/icu/source/i18n/unicode/uformattedvalue.h",
+    "/intl/icu/source/i18n/unicode/ugender.h",
+    "/intl/icu/source/i18n/unicode/ulistformatter.h",
+    "/intl/icu/source/i18n/unicode/ulocdata.h",
+    "/intl/icu/source/i18n/unicode/umsg.h",
+    "/intl/icu/source/i18n/unicode/unirepl.h",
+    "/intl/icu/source/i18n/unicode/unum.h",
+    "/intl/icu/source/i18n/unicode/unumberformatter.h",
+    "/intl/icu/source/i18n/unicode/unumberoptions.h",
+    "/intl/icu/source/i18n/unicode/unumberrangeformatter.h",
+    "/intl/icu/source/i18n/unicode/unumsys.h",
+    "/intl/icu/source/i18n/unicode/upluralrules.h",
+    "/intl/icu/source/i18n/unicode/uregex.h",
+    "/intl/icu/source/i18n/unicode/uregion.h",
+    "/intl/icu/source/i18n/unicode/ureldatefmt.h",
+    "/intl/icu/source/i18n/unicode/usearch.h",
+    "/intl/icu/source/i18n/unicode/usimplenumberformatter.h",
+    "/intl/icu/source/i18n/unicode/uspoof.h",
+    "/intl/icu/source/i18n/unicode/utmscale.h",
+    "/intl/icu/source/i18n/unicode/utrans.h",
+    "/intl/icu/source/i18n/unicode/vtzone.h",
+]
diff --git a/config/external/icu/icupkg/moz.build b/config/external/icu/icupkg/moz.build
new file mode 100644
index 0000000000..39314fbda7
--- /dev/null
+++ b/config/external/icu/icupkg/moz.build
@@ -0,0 +1,27 @@
+# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+HostProgram("icupkg")
+
+LOCAL_INCLUDES += [
+    "/intl/icu/source/common",
+    "/intl/icu/source/i18n",
+    "/intl/icu/source/tools/toolutil",
+]
+
+include("../defs.mozbuild")
+include("sources.mozbuild")
+
+HOST_SOURCES += sources
+HOST_SOURCES += [
+    "/intl/icu/source/stubdata/stubdata.cpp",
+]
+
+HOST_USE_LIBS += [
+    "host_icui18n",
+    "host_icutoolutil",
+    "host_icuuc",
+]
diff --git a/config/external/icu/icupkg/sources.mozbuild b/config/external/icu/icupkg/sources.mozbuild
new file mode 100644
index 0000000000..8040087ccd
--- /dev/null
+++ b/config/external/icu/icupkg/sources.mozbuild
@@ -0,0 +1,4 @@
+# THIS FILE IS GENERATED BY /intl/icu_sources_data.py DO NOT EDIT
+sources = [
+    "/intl/icu/source/tools/icupkg/icupkg.cpp",
+]
diff --git a/config/external/icu/moz.build b/config/external/icu/moz.build
new file mode 100644
index 0000000000..296d60d521
--- /dev/null
+++ b/config/external/icu/moz.build
@@ -0,0 +1,22 @@
+# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+Library("icu")
+
+if CONFIG["MOZ_SYSTEM_ICU"]:
+    OS_LIBS += CONFIG["MOZ_ICU_LIBS"]
+else:
+    DIRS += [
+        "common",
+        "data",
+        "i18n",
+    ]
+    if CONFIG["TARGET_ENDIANNESS"] == "big":
+        DIRS += [
+            "toolutil",
+            "icupkg",
+        ]
+    USE_LIBS += ["icudata"]
diff --git a/config/external/icu/toolutil/moz.build b/config/external/icu/toolutil/moz.build
new file mode 100644
index 0000000000..e8dc827c2b
--- /dev/null
+++ b/config/external/icu/toolutil/moz.build
@@ -0,0 +1,20 @@
+# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+HostLibrary("host_icutoolutil")
+FINAL_LIBRARY = "icu"
+
+DEFINES["U_TOOLUTIL_IMPLEMENTATION"] = True
+
+LOCAL_INCLUDES += [
+    "/intl/icu/source/common",
+    "/intl/icu/source/i18n",
+]
+
+include("../defs.mozbuild")
+include("sources.mozbuild")
+
+HOST_SOURCES += sources
diff --git a/config/external/icu/toolutil/sources.mozbuild b/config/external/icu/toolutil/sources.mozbuild
new file mode 100644
index 0000000000..1230133e27
--- /dev/null
+++ b/config/external/icu/toolutil/sources.mozbuild
@@ -0,0 +1,27 @@
+# THIS FILE IS GENERATED BY /intl/icu_sources_data.py DO NOT EDIT
+sources = [
+    "/intl/icu/source/tools/toolutil/collationinfo.cpp",
+    "/intl/icu/source/tools/toolutil/dbgutil.cpp",
+    "/intl/icu/source/tools/toolutil/denseranges.cpp",
+    "/intl/icu/source/tools/toolutil/filestrm.cpp",
+    "/intl/icu/source/tools/toolutil/filetools.cpp",
+    "/intl/icu/source/tools/toolutil/flagparser.cpp",
+    "/intl/icu/source/tools/toolutil/package.cpp",
+    "/intl/icu/source/tools/toolutil/pkg_genc.cpp",
+    "/intl/icu/source/tools/toolutil/pkg_gencmn.cpp",
+    "/intl/icu/source/tools/toolutil/pkg_icu.cpp",
+    "/intl/icu/source/tools/toolutil/pkgitems.cpp",
+    "/intl/icu/source/tools/toolutil/ppucd.cpp",
+    "/intl/icu/source/tools/toolutil/swapimpl.cpp",
+    "/intl/icu/source/tools/toolutil/toolutil.cpp",
+    "/intl/icu/source/tools/toolutil/ucbuf.cpp",
+    "/intl/icu/source/tools/toolutil/ucln_tu.cpp",
+    "/intl/icu/source/tools/toolutil/ucm.cpp",
+    "/intl/icu/source/tools/toolutil/ucmstate.cpp",
+    "/intl/icu/source/tools/toolutil/udbgutil.cpp",
+    "/intl/icu/source/tools/toolutil/unewdata.cpp",
+    "/intl/icu/source/tools/toolutil/uoptions.cpp",
+    "/intl/icu/source/tools/toolutil/uparse.cpp",
+    "/intl/icu/source/tools/toolutil/writesrc.cpp",
+    "/intl/icu/source/tools/toolutil/xmlparser.cpp",
+]