Update linux sysroot images from debian/wheezy to debian/jessie

build/linux/sysroot_scripts/install-sysroot.py

Index: build/linux/sysroot_scripts/install-sysroot.py
diff --git a/build/linux/sysroot_scripts/install-sysroot.py b/build/linux/sysroot_scripts/install-sysroot.py
index b15a341e0d773760da62711060950268a94e6f12..bbecbbe3c1e432224607d9b5b122784196caac96 100755
--- a/build/linux/sysroot_scripts/install-sysroot.py
+++ b/build/linux/sysroot_scripts/install-sysroot.py
@@ -6,16 +6,18 @@
 """Install Debian sysroots for building chromium.
 """
 
-# The sysroot is needed to ensure that binaries will run on Debian Wheezy,
-# the oldest supported linux distribution. For ARM64 linux, we have Debian
-# Jessie sysroot as Jessie is the first version with ARM64 support. This script
-# can be run manually but is more often run as part of gclient hooks. When run
-# from hooks this script is a no-op on non-linux platforms.
+# The sysroot is needed to ensure that binaries that get built will run on
+# the oldest stable version of Debian that we currently support.
+# This script can be run manually but is more often run as part of gclient
+# hooks. When run from hooks this script is a no-op on non-linux platforms.
 
 # The sysroot image could be constructed from scratch based on the current
-# state or Debian Wheezy/Jessie but for consistency we currently use a
-# pre-built root image. The image will normally need to be rebuilt every time
-# chrome's build dependencies are changed.
+# state of the Debian archived but for consistency we currently use a
+# pre-built root image (we don't want upstream changes to Debian to effect
+# the chromium build until we choose to pull them in). The images will normally
+# need to be rebuilt every time chrome's build dependencies are changed but
+# should also be updated periodically to include upstream security fixed from
+# Debian.
 
 import hashlib
 import json
@@ -143,6 +145,9 @@ def main(args):
                                         ' Installs default sysroot images.')
   parser.add_option('--arch', type='choice', choices=VALID_ARCHS,
                     help='Sysroot architecture: %s' % ', '.join(VALID_ARCHS))
+  parser.add_option('--all', action='store_true',
+                    help='Install all sysroot images (useful when updating the'
+                         ' images)')
   options, _ = parser.parse_args(args)
   if options.running_as_hook and not sys.platform.startswith('linux'):
     return 0
@@ -154,24 +159,28 @@ def main(args):
       return 0
     InstallDefaultSysroots(host_arch)
   else:
-    if not options.arch:
+    if options.arch:
+      InstallDefaultSysrootForArch(options.arch)
+    elif options.all:
+      for arch in VALID_ARCHS:
+        InstallDefaultSysrootForArch(arch)
+    else:
       print 'You much specify either --arch or --running-as-hook'
       return 1
-    InstallDefaultSysrootForArch(options.arch)
 
   return 0
 
 def InstallDefaultSysrootForArch(target_arch):
   if target_arch == 'amd64':
-    InstallSysroot('Wheezy', 'amd64')
+    InstallSysroot('Jessie', 'amd64')
   elif target_arch == 'arm':
-    InstallSysroot('Wheezy', 'arm')
+    InstallSysroot('Jessie', 'arm')
   elif target_arch == 'arm64':
     InstallSysroot('Jessie', 'arm64')
   elif target_arch == 'i386':
-    InstallSysroot('Wheezy', 'i386')
+    InstallSysroot('Jessie', 'i386')
   elif target_arch == 'mips':
-    InstallSysroot('Wheezy', 'mips')
+    InstallSysroot('Jessie', 'mips')
   else:
     raise Error('Unknown architecture: %s' % target_arch)