Bug 1407468 - Only build js/src when building toolkit. r=mshal

--HG--
extra : rebase_source : 3112ad271f23e8d01dfbe9141ec2b4bdd80f3748

moz.build

@@ -112,7 +112,8 @@ if not CONFIG['JS_STANDALONE']:
         'tools',
     ]
 
-if CONFIG['COMPILE_ENVIRONMENT']:
+if CONFIG['COMPILE_ENVIRONMENT'] and (CONFIG['MOZ_WIDGET_TOOLKIT'] or
+                                      CONFIG['JS_STANDALONE']):
     DIRS += ['js/src']
 
 DIRS += [

old-configure.in

@@ -5032,7 +5032,7 @@ if test -n "$_subconfigure_subdir"; then
   srcdir="$_save_srcdir"
 fi
 
-if test "$COMPILE_ENVIRONMENT"; then
+if test "$COMPILE_ENVIRONMENT" -a "$MOZ_WIDGET_TOOLKIT"; then
 
 export WRAP_LDFLAGS