Implement disable_pie for all executables.

build/common.gypi

Index: build/common.gypi
diff --git a/build/common.gypi b/build/common.gypi
index 9963f45adc6a35d42de45243423560146fb14703..0e65a8f05f705d3ea8757cf39442b83e0485daa5 100644
--- a/build/common.gypi
+++ b/build/common.gypi
@@ -212,6 +212,10 @@
       # libraries on linux x86-64 and arm, plus ASLR.
       'linux_fpic%': 1,
 
+      # Default to enabled PIE; this is important for ASLR but we need to be
+      # able to turn it off for remote debugging on Chromium OS
+      'disable_pie%': 0,
+
       # Enable navigator.registerProtocolHandler and supporting UI.
       'enable_register_protocol_handler%': 1,
 
@@ -354,6 +358,7 @@
     'use_x11%': '<(use_x11)',
     'use_gnome_keyring%': '<(use_gnome_keyring)',
     'linux_fpic%': '<(linux_fpic)',
+    'disable_pie%': '<(disable_pie)',

[Nico, 2011/10/07 22:53:25]

It looks like this is not conditionally set. Can't you just say 'disable_pie%':
'0, (like 'channel%' below) and not do this copying?

[rkc, 2011/10/07 23:23:28]

Done.

     'enable_flapper_hacks%': '<(enable_flapper_hacks)',
     'chromeos%': '<(chromeos)',
     'touchui%': '<(touchui)',
@@ -1754,6 +1759,20 @@
               '-fPIC',
             ],
           }],
+          # TODO(rkc): Currently building Chrome with the PIE flag causes
+          # remote debugging to break (remote debugger does not get correct
+          # section header offsets hence causing all symbol handling to go
+          # kaboom). See crosbug.com/15266
+          # Remove this flag once this issue is fixed.
+          ['disable_pie==1', {

[Nico, 2011/10/07 22:53:25]

since this is linux only, should this be called linux_disable_pie?

[rkc, 2011/10/07 23:23:28]

Done.

+            'target_conditions': [
+              ['_type=="executable"', {
+                'ldflags': [
+                  '-nopie',
+                ],
+              }],
+            ],
+          }],
           ['sysroot!=""', {
             'target_conditions': [
               ['_toolset=="target"', {