Turn off PIE when building for Valgrind

build/common.gypi

 # Copyright (c) 2011 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.
 
 # IMPORTANT:
 # Please don't directly include this file if you are building via gyp_chromium,
 # since gyp_chromium is automatically forcing its inclusion.
 {
   # Variables expected to be overriden on the GYP command line (-D) or by
   # ~/.gyp/include.gypi.
@@ skipping 1670 matching lines @@
                 # Arranges for data (heap) pages to be protected against
                 # code execution when running on Mac OS X 10.7 ("Lion"), and
                 # ensures that the position-independent executable (PIE) bit
                 # is set for ASLR when running on Mac OS X 10.5 ("Leopard").
                 'variables': {
                   # Define change_mach_o_flags in a variable ending in _path
                   # so that GYP understands it's a path and performs proper
                   # relativization during dict merging.
                   'change_mach_o_flags_path':
                       'mac/change_mach_o_flags_from_xcode.sh',
+                  'change_mach_o_flags_options': [
+                  ],
+                  'target_conditions': [
+                    ['release_valgrind_build==1', {
+                      'change_mach_o_flags_options': [
+                        # Turn off PIE when building for Valgrind because
+                        # Valgrind doesn't understand slide. TODO: Make
+                        # Valgrind on Mac OS X understand slide, and get rid
+                        # of the Valgrind check.
+                        '--no-pie',
+                      ],
+                    }],
+                  ],
                 },
                 'postbuild_name': 'Change Mach-O Flags',
                 'action': [
                   '<(change_mach_o_flags_path)',
+                  '>@(change_mach_o_flags_options)',
                 ],
               },
             ],
           }],
           ['_type=="executable" and release_valgrind_build==0', {
             # Turn on position-independence (ASLR) for executables. When PIE
             # is on for the Chrome executables, the framework will also be
             # subject to ASLR.
             # Don't do this when building for Valgrind because Valgrind
             # doesn't understand slide. TODO: Make Valgrind on Mac OS X
@@ skipping 266 matching lines @@
     # settings in target dicts.  SYMROOT is a special case, because many other
     # Xcode variables depend on it, including variables such as
     # PROJECT_DERIVED_FILE_DIR.  When a source group corresponding to something
     # like PROJECT_DERIVED_FILE_DIR is added to a project, in order for the
     # files to appear (when present) in the UI as actual files and not red
     # red "missing file" proxies, the correct path to PROJECT_DERIVED_FILE_DIR,
     # and therefore SYMROOT, needs to be set at the project level.
     'SYMROOT': '<(DEPTH)/xcodebuild',
   },
 }