bug 421689, Mozilla won't build with Xcode 3.1 (included with the iPhone SDK). Path by Matthew Gertner (matthew@allpeers.com). r=ted, a=dsicore

configure.in

@@ -707,7 +707,7 @@ from building Mozilla. Upgrade to Xcode 2.1 or later.])
     case "$PBBUILD" in
       *xcodebuild*)
         changequote(,)
-        XCODEBUILD_VERSION=`$PBBUILD -version 2>/dev/null | sed -e 's/.*DevToolsCore-\([0-9]*\).*/\1/'`
+        XCODEBUILD_VERSION=`$PBBUILD -version 2>/dev/null | sed -e 's/.*DevToolsCore-\([0-9]*\).*/\1/' | tail -n 1`
         changequote([,])
         if test -n "$XCODEBUILD_VERSION" && test "$XCODEBUILD_VERSION" -ge 620 ; then
           HAS_XCODE_2_1=1;