[Mac/GN] Implement dSYM generation and stripping.

chrome/BUILD.gn

 # Copyright 2014 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("//build/buildflag_header.gni")
 import("//build/config/chrome_build.gni")
 import("//build/config/compiler/compiler.gni")
 import("//build/config/features.gni")
 import("//build/config/locales.gni")
 import("//build/config/sanitizers/sanitizers.gni")
 import("//build/config/ui.gni")
 import("//build/config/win/console_app.gni")
 import("//build/config/win/manifest.gni")
 import("//chrome/chrome_repack_locales.gni")
 import("//chrome/common/features.gni")
 import("//chrome/version.gni")
 import("//ui/base/ui_features.gni")
 
 if (is_android) {
   import("//build/config/android/rules.gni")
 } else if (is_mac) {
   import("//build/compiled_action.gni")
   import("//build/config/mac/rules.gni")
+  import("//build/config/mac/symbols.gni")
   import("//build/mac/tweak_info_plist.gni")
   import("//build/util/branding.gni")
   import("//build/util/version.gni")
   import("//build_overrides/v8.gni")
 }
 
 if (is_win) {
   action("reorder_imports") {
     script = "//build/win/reorder-imports.py"
 
@@ skipping 385 matching lines @@
     sources = [
       "app/chrome_exe_main_mac.c",
     ]
 
     deps = [
       ":chrome_app_strings_bundle_data",
       ":chrome_resources",
       ":chrome_versioned_bundle_data",
       "//chrome/common:version_header",
     ]
+
+    if (enable_stripping) {

[Dirk Pranke, 2016/05/31 19:58:19]

maybe add a comment explaining what this is doing (and why it's different from
the default strip logic)?

[Robert Sesek, 2016/06/01 20:21:05]

Done.

+      remove_configs = [ "//build/config/mac:strip_all" ]
+
+      ldflags =
+          [ "-Wcrl,strip,-s," + rebase_path("app/app.saves", root_build_dir) ]
+    }
   }
 
   compiled_action("chrome_app_strings") {
     tool = "//chrome/tools/mac_helpers:infoplist_strings_tool"
 
     inputs = [
       chrome_version_file,
     ]
 
     outputs = []
@@ skipping 122 matching lines @@
     deps = [
       "//chrome/common:version_header",
     ]
 
     ldflags = [
       # The helper is in Chromium.app/Contents/Versions/X/Chromium Helper.app/Conents/MacOS/
       # so set rpath up to the base.
       "-rpath",
       "@loader_path/../../../../../../..",
     ]
+
+    if (enable_stripping) {
+      remove_configs = [ "//build/config/mac:strip_all" ]
+
+      ldflags +=
+          [ "-Wcrl,strip,-s," + rebase_path("app/app.saves", root_build_dir) ]
+    }
   }
 
   bundle_data("chrome_framework_locales") {
     sources = []
     public_deps = [
       ":repack_locales_pack",
     ]
 
     foreach(locale, locales_as_mac_outputs) {
       sources += [ "$root_gen_dir/repack/locales/$locale.pak" ]
@@ skipping 958 matching lines @@
       "//chrome/app/theme/$branding_path_component/product_logo_48.png",
       "//chrome/tools/build/linux/chrome-wrapper",
       "//third_party/xdg-utils/scripts/xdg-mime",
       "//third_party/xdg-utils/scripts/xdg-settings",
     ]
     outputs = [
       "$root_out_dir/{{source_file_part}}",
     ]
   }
 }