Bug 1106707 - Add in support for win32/win64 builds, r=bhearsum

--platform allows specifying win32 vs win64
The Windows builders require mozmake, but are currently running MozillaBuild 1.5.1 (!) which does not contain it, so we need to fetch it from tooltool.

--HG--
extra : rebase_source : 7cd361cb5ddce3f4c2053cfe5570f3829fefb498

scripts/spidermonkey_builds/spidermonkey.sh

@@ -32,6 +32,14 @@ while [ $# -gt 1 ]; do
             hgtool_args+=(--bundle "$1")
             shift
             ;;
+        --ttserver)
+            # Note that this script (and tooltool_wrapper.sh, and tooltool.py)
+            # only accepts a single tooltool server, so all but the last will
+            # be ignored.
+            shift
+            TT_SERVER="$1"
+            shift
+            ;;
         -r|--rev)
             shift
             hgtool_args+=(--clone-by-revision -r "$1")
@@ -41,6 +49,11 @@ while [ $# -gt 1 ]; do
             shift
             noclean=1
             ;;
+        --platform)
+            shift
+            platform="$1"
+            shift
+            ;;
         *)
             echo "Invalid arguments" >&2
             usage
@@ -96,6 +109,16 @@ if [ -z "$HG_REPO" ] || [ "$HG_REPO" = none ]; then
 else
   $PYTHON $SCRIPTS_DIR/buildfarm/utils/hgtool.py "${hgtool_args[@]}" $HG_REPO src || exit 2
   SOURCE=src
+
+  # Pull down some standard tools that the build seems to have started
+  # requiring, eg mozmake on windows.
+  if [ "$OSTYPE" = "msys" ] && [ -n "$platform" ]; then
+      if [ -z "$TT_SERVER" ]; then
+          echo "Error: tooltool base url not set (use --ttserver command line option or TT_SERVER environment variable)" >&2
+          exit 1
+      fi
+      $SCRIPTS_DIR/scripts/tooltool/tooltool_wrapper.sh $SOURCE/browser/config/tooltool-manifests/$platform/releng.manifest $TT_SERVER setup.sh c:\mozilla-build\python27\python.exe C:/mozilla-build/tooltool.py
+  fi
 fi
 
 # The build script has been moved into the tree, but this script needs to keep
@@ -105,6 +128,9 @@ if [ -x "$SOURCE/js/src/devtools/automation/autospider.sh" ]; then
     if [ -n "$noclean" ]; then
         ARGS="$ARGS --dep"
     fi
+    if [ -n "$platform" ]; then
+        ARGS="$ARGV --platform $platform"
+    fi
     exec $SOURCE/js/src/devtools/automation/autospider.sh $ARGS "$VARIANT"
     exit 1
 fi