Add 'enable_iccarm_link_helper' option

Signed-off-by: weifulun <weifulun@huawei.com>

Change-Id: I45370f44922f0c4e63402815f667aa6b00267506

config/toolchain/config.gni

+# Copyright (c) 2022 Huawei Device Co., Ltd.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+declare_args() {
+  # using iccarm_link_helper.sh to link static library
+  # which adds '--whole_archive' option for each static library while linking
+  enable_iccarm_link_helper = false
+}

toolchain/iccarm.gni

@@ -11,6 +11,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+import("//build/lite/config/toolchain/config.gni")
+
 template("iccarm_toolchain") {
   toolchain(target_name) {
     assert(defined(invoker.ar), "gcc_toolchain() must specify a \"ar\" value")
@@ -101,8 +103,15 @@ template("iccarm_toolchain") {
       if (need_strip) {
         unstripped_outfile = "{{output_dir}}/unstripped/bin/{{target_output_name}}{{output_extension}}"
       }
-      link_helper = rebase_path("//build/lite/toolchain/iccarm_link_helper.sh")
-      command += "$ld {{ldflags}} $extra_ldflags \$($link_helper {{inputs}} {{libs}}) -o $unstripped_outfile"
+
+      if (enable_iccarm_link_helper) {
+        link_helper =
+            rebase_path("//build/lite/toolchain/iccarm_link_helper.sh")
+        command += "$ld {{ldflags}} $extra_ldflags \$($link_helper {{inputs}} {{libs}}) -o $unstripped_outfile"
+      } else {
+        command += "$ld {{ldflags}} $extra_ldflags " +
+                   "{{inputs}} {{libs}} -o $unstripped_outfile"
+      }
       if (need_strip) {
         command += " && $strip \"$unstripped_outfile\" \"$outfile\""
       }