GN: Work on Mac module search path.

build/config/BUILDCONFIG.gn

 # Copyright (c) 2013 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.
 
 # =============================================================================
 # BUILD FLAGS
 # =============================================================================
 #
 # This block lists input arguments to the build, along with their default
 # values. GN requires listing them explicitly so it can validate input and have
@@ skipping 369 matching lines @@
   ]
 }
 
 set_defaults("executable") {
   configs = native_compiler_configs + [
     "//build/config:default_libs",
   ]
   if (is_win) {
     configs += windows_linker_configs
   } else if (is_mac) {
-    configs += [ "//build/config/mac:mac_dynamic_flags" ]
+    configs += [
+      "//build/config/mac:mac_dynamic_flags",
+      "//build/config/mac:mac_executable_flags" ]
   } else if (is_linux || is_android) {
     configs += [ "//build/config/linux:executable_ldconfig" ]
   }
 }
 
 set_defaults("static_library") {
   configs = native_compiler_configs
 }
 
 set_defaults("shared_library") {
@@ skipping 40 matching lines @@
 } else if (is_linux) {
   host_toolchain = "//build/toolchain/linux:$build_cpu_arch"
   set_default_toolchain("//build/toolchain/linux:$cpu_arch")
 } else if (is_mac) {
   host_toolchain = "//build/toolchain/mac:clang"
   set_default_toolchain(host_toolchain)
 } else if (is_ios) {
   host_toolchain = "//build/toolchain/mac:host_clang"
   set_default_toolchain("//build/toolchain/mac:clang")
 }