diff -r 21d41d977059 -r 1c0d5a15ab4c common/autoconf/basics.m4
--- a/common/autoconf/basics.m4	Wed Oct 17 13:00:32 2018 +0100
+++ b/common/autoconf/basics.m4	Mon Oct 29 14:43:07 2018 -0700
@@ -500,6 +500,8 @@
       BASIC_EVAL_DEVKIT_VARIABLE([DEVKIT_MSVCR_DLL])
       # Corresponds to --with-msvcp-dll
       BASIC_EVAL_DEVKIT_VARIABLE([DEVKIT_MSVCP_DLL])
+      # Corresponds to --with-ucrt-dll-dir
+      BASIC_EVAL_DEVKIT_VARIABLE([DEVKIT_UCRT_DLL_DIR])
     fi
 
     AC_MSG_CHECKING([for devkit])