--- a/make/autoconf/jdk-options.m4	Tue Sep 12 19:03:39 2017 +0200
+++ b/make/autoconf/jdk-options.m4	Tue Sep 12 19:03:56 2017 +0200
@@ -258,7 +258,7 @@
 [
   AC_MSG_CHECKING([if elliptic curve crypto implementation is present])
 
-  if test -d "${SRC_ROOT}/jdk/src/jdk.crypto.ec/share/native/libsunec/impl"; then
+  if test -d "${TOPDIR}/src/jdk.crypto.ec/share/native/libsunec/impl"; then
     ENABLE_INTREE_EC=true
     AC_MSG_RESULT([yes])
   else