Allow building OS X 10.7 binaries.

scripts/common.sh

 #!/bin/sh
 
 # Copyright (c) 2009-2010 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.
 
 # This script contains some functions useful to build
 # Valgrind and ThreadSanitizer for use with chromium
 
 THISDIR=$(dirname "${0}")
 THISDIR=$(cd "${THISDIR}" && /bin/pwd)
 VG_SRC_DIR=/tmp/valgrind-src
 
 system_is_snow_leopard() {
   uname -r | grep 10\.[0-9]\.[0-9] >/dev/null
 }
 
+system_is_lion() {
+  uname -r | grep 11\.[0-9]\.[0-9] >/dev/null
+}
+
 checkout_and_patch_valgrind_variant() {
   # $1 = Valgrind-variant revision
   # $2 = source dir
   # Checkout Valgrind, apply our patches to Valgrind.
   # The source will be put in $VG_SRC_DIR/valgrind-source
   mkdir -p "$VG_SRC_DIR"
   cd "$VG_SRC_DIR"
   VG_REV="$1"
   SOURCE_DIR="$2"
   SVN_URI="http://valgrind-variant.googlecode.com/svn/trunk"
@@ skipping 123 matching lines @@
       build_valgrind "linux_x64"
       build_valgrind "linux_x86" "--enable-only32bit"
       ;;
     "Darwin i386")
       if uname -r | grep 9\.[0-9]\.[0-9] >/dev/null
       then
         build_valgrind "mac"
       elif system_is_snow_leopard
       then
         build_valgrind "mac_10.6" "--build=amd64-darwin"
+      elif system_is_lion
+      then
+        build_valgrind "mac_10.7"
       else
-        echo "You have Darwin kernel different from 9.X.X or 10.X.X" >&2
+        echo "You have Darwin kernel different from 9.X.X--11.X.X" >&2
+        echo "Please, don't put the resulting binaries into Chromium SVN" >&2
+        build_valgrind "local"
+      fi
+      ;;
+    "Darwin x86_64")
+      if system_is_lion
+      then
+        build_valgrind "mac_10.7"
+      else
+        echo "You have Darwin kernel different from 11.X.X" >&2
         echo "Please, don't put the resulting binaries into Chromium SVN" >&2
         build_valgrind "local"
       fi
       ;;
     *)
       build_valgrind "local"
       ;;
   esac
 }
 
 # Check that the binaries directory exists.
 BINARIES_DIR="$THISDIR/../binaries"
 if ! [ -a "$BINARIES_DIR" ]
 then
   echo "Error: $BINARIES_DIR doesn't exist!" >&2
   exit 1
 fi
 
 set -e
 set -x