installer: install ICU header files

test/addons/icu-binding/binding.cc

@@ -0,0 +1,30 @@
+#include <node.h>
+#include <unicode/timezone.h>
+#include <unicode/utypes.h>
+#include <unicode/uversion.h>
+
+namespace {
+
+inline void Initialize(v8::Local<v8::Object> exports,
+                       v8::Local<v8::Value> module,
+                       v8::Local<v8::Context> context) {
+  auto isolate = context->GetIsolate();
+  {
+    auto key = v8::String::NewFromUtf8(isolate, "icuVersion");
+    auto value = v8::String::NewFromUtf8(isolate, U_ICU_VERSION);
+    exports->Set(context, key, value).FromJust();
+  }
+  {
+    UErrorCode tzdata_status = U_ZERO_ERROR;
+    const char* tzdata_version = TimeZone::getTZDataVersion(tzdata_status);
+    if (U_SUCCESS(tzdata_status) && tzdata_version != nullptr) {
+      auto key = v8::String::NewFromUtf8(isolate, "tzdataVersion");
+      auto value = v8::String::NewFromUtf8(isolate, tzdata_version);
+      exports->Set(context, key, value).FromJust();
+    }
+  }
+}
+
+}  // anonymous namespace
+
+NODE_MODULE_CONTEXT_AWARE(binding, Initialize)

test/addons/icu-binding/binding.gyp

@@ -0,0 +1,17 @@
+{
+  'targets': [
+    {
+      'target_name': 'binding',
+      'defines': [ 'V8_DEPRECATION_WARNINGS=1' ],
+      'conditions': [
+         ['v8_enable_i18n_support==1', {
+           'sources': ['binding.cc'],
+           'include_dirs': [
+             '../../../deps/icu-small/source/common',
+             '../../../deps/icu-small/source/i18n',
+           ],
+         }]
+      ]
+    },
+  ]
+}

test/addons/icu-binding/test.js

@@ -0,0 +1,11 @@
+'use strict';
+
+const common = require('../../common');
+if (!common.hasIntl) {
+  common.skip('missing intl');
+  process.exit(0);
+}
+const assert = require('assert');
+const binding = require(`./build/${common.buildType}/binding`);
+assert.strictEqual(binding.icuVersion, process.versions.icu);
+assert.strictEqual(binding.tzdataVersion, process.versions.tz);

tools/install.py

@@ -176,6 +176,15 @@ def headers(action):
       'deps/zlib/zlib.h',
     ], 'include/node/')
 
+  # |icu_path| is set in small-icu and full-icu configurations
+  # but not when --with-intl= is set to none or system-icu.
+  icu_path = variables.get('icu_path')
+  if icu_path:
+    target_path = 'include/node/unicode/'
+    # Note: merges both directories into one.
+    subdir_files(icu_path + '/source/common/unicode', target_path, action)
+    subdir_files(icu_path + '/source/i18n/unicode', target_path, action)
+
 def run(args):
   global node_prefix, install_path, target_defaults, variables