Index: /trunk/configure
===================================================================
--- /trunk/configure	(revision 59404)
+++ /trunk/configure	(revision 59405)
@@ -2142,6 +2142,14 @@
   darwin_ver=`uname -r`
   case "$darwin_ver" in
+    15\.*)
+      check_xcode_sdk_path "$WITH_XCODE_DIR"
+      [ $? -eq 1 ] || fail
+      darwin_ver="10.11" # El Capitan
+      sdk=$WITH_XCODE_DIR/Developer/SDKs/MacOSX10.6.sdk
+      cnf_append "VBOX_WITH_MACOSX_COMPILERS_FROM_DEVEL" "1"
+      cnf_append "VBOX_PATH_MACOSX_DEVEL_ROOT" "$WITH_XCODE_DIR/Developer"
+      ;;
     14\.*)
-      check_xcode_sdk_path "$WITH_XCODE_SDK_DIR"
+      check_xcode_sdk_path "$WITH_XCODE_DIR"
       [ $? -eq 1 ] || fail
       darwin_ver="10.10" # Yosemite