diff --git a/js/src/configure.in b/js/src/configure.in
index 2cb27e9494..5746e72d78 100644
--- a/js/src/configure.in
+++ b/js/src/configure.in
@@ -161,6 +161,11 @@ MOZ_ARG_WITH_STRING(gonk-toolchain-prefix,
                           prefix to gonk toolchain commands],
     gonk_toolchain_prefix=$withval)
 
+MOZ_ARG_WITH_STRING(ios-target,
+[  --with-ios-target=SDK
+                     what target sdk to use, defaults to iPhoneSimulator],
+    ios_target=$withval)
+
 if test -n "$gonkdir" ; then
     kernel_name=`uname -s | tr "[[:upper:]]" "[[:lower:]]"`
 
@@ -212,6 +217,8 @@ if test -n "$gonkdir" ; then
     AC_DEFINE(ANDROID)
     AC_DEFINE(GONK)
     CROSS_COMPILE=1
+elif test -n "$ios_target" ; then
+    MOZ_IOS_SDK
 else
     MOZ_ANDROID_NDK
 fi