Index: configure
===================================================================
--- configure	(revision 59210)
+++ configure	(working copy)
@@ -2141,8 +2141,16 @@
   test_header "Darwin version"
   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"
       [ $? -eq 1 ] || fail
       darwin_ver="10.10" # Yosemite
       sdk=$WITH_XCODE_DIR/Developer/SDKs/MacOSX10.6.sdk