1 files changed, 130 insertions, 0 deletions
diff --git a/intl/icu/source/i18n/BUILD.bazel b/intl/icu/source/i18n/BUILD.bazel
new file mode 100644
index 0000000000..2d85cdb180
--- /dev/null
+++ b/intl/icu/source/i18n/BUILD.bazel
@@ -0,0 +1,130 @@
+# © 2021 and later: Unicode, Inc. and others.
+# License & terms of use: http://www.unicode.org/copyright.html
+
+# This file defines Bazel targets for a subset of the ICU4C "i18n" library header and source files.
+# The configuration of dependencies among targets is strongly assisted by the
+# file in depstest that maintains such information, at
+# icu4c/source/test/depstest/dependencies.txt .
+
+load("@rules_cc//cc:defs.bzl", "cc_binary", "cc_library")
+
+package(
+    default_visibility = ["//visibility:public"],
+)
+
+# When compiling code in the `common` dir, the constant
+# `U_I18n_IMPLEMENTATION` needs to be defined. See 
+# https://unicode-org.github.io/icu/userguide/howtouseicu#c-with-your-own-build-system .
+
+# If linker errors occur, then this may be a sign that the dependencies were 
+# not specified correctly. Use dependencies.txt in depstest for assistance. See
+# https://stackoverflow.com/q/66111709/2077918 .
+
+cc_library(
+    name = "headers",
+    hdrs = glob([
+        "unicode/*.h", # public
+        "*.h",         # internal
+    ]),
+    # We need to add includes in order to preserve existing source files'
+    # include directives that use traditional paths, not paths relative to
+    # Bazel workspace:
+    # https://stackoverflow.com/a/65635893/2077918
+    includes = ["."],
+    local_defines = [
+        "U_I18N_IMPLEMENTATION",
+    ],
+)
+
+cc_library(
+    name = "collation",
+    srcs = [
+        "bocsu.cpp",
+        "coleitr.cpp",
+        "coll.cpp",
+        "collation.cpp",
+        "collationcompare.cpp",
+        "collationdata.cpp",
+        "collationdatareader.cpp",
+        "collationdatawriter.cpp",
+        "collationfastlatin.cpp",
+        # collationfcd.cpp is generated by genuca;
+        # probably hard to build genuca without depending on the old version.
+        "collationfcd.cpp",
+        "collationiterator.cpp",
+        "collationkeys.cpp",
+        "collationroot.cpp",
+        "collationrootelements.cpp",
+        "collationsets.cpp",
+        "collationsettings.cpp",
+        "collationtailoring.cpp",
+        "rulebasedcollator.cpp",
+        "sortkey.cpp",
+        "ucol.cpp",
+        "ucol_res.cpp",
+        "ucol_sit.cpp",
+        "ucoleitr.cpp",
+        "uitercollationiterator.cpp",
+        "utf16collationiterator.cpp",
+        "utf8collationiterator.cpp",
+    ],
+    includes = ["."],
+    deps = [
+        ":headers",
+        ":uclean_i18n",
+        "//icu4c/source/common:bytestream",
+        "//icu4c/source/common:normalizer2",
+        "//icu4c/source/common:platform",
+        "//icu4c/source/common:propname",
+        "//icu4c/source/common:resourcebundle",
+        "//icu4c/source/common:service_registration",
+        "//icu4c/source/common:ucharstrieiterator",
+        "//icu4c/source/common:uiter",
+        "//icu4c/source/common:ulist",
+        "//icu4c/source/common:unifiedcache",
+        "//icu4c/source/common:uset",
+        "//icu4c/source/common:usetiter",
+        "//icu4c/source/common:utrie2",
+        "//icu4c/source/common:uvector32",
+        "//icu4c/source/common:uvector64",
+    ],
+    local_defines = [
+        "U_I18N_IMPLEMENTATION",
+    ],
+)
+
+cc_library(
+    name = "collation_builder",
+    srcs = [
+        "collationbuilder.cpp",
+        "collationdatabuilder.cpp",
+        "collationfastlatinbuilder.cpp",
+        "collationruleparser.cpp",
+        "collationweights.cpp",
+    ],
+    includes = ["."],
+    deps = [
+        ":collation",
+        "//icu4c/source/common:canonical_iterator",
+        "//icu4c/source/common:ucharstriebuilder",
+        "//icu4c/source/common:uset_props"
+    ],
+    local_defines = [
+        "U_I18N_IMPLEMENTATION",
+    ],
+)
+
+cc_library(
+    name = "uclean_i18n",
+    srcs = [
+        "ucln_in.cpp",
+    ],
+    hdrs = ["ucln_in.h"],
+    includes = ["."],
+    deps = [
+        "//icu4c/source/common:platform",
+    ],
+    local_defines = [
+        "U_I18N_IMPLEMENTATION",
+    ],
+)