--- a/make/autoconf/flags-cflags.m4	Wed Jun 20 17:06:24 2018 +0200
+++ b/make/autoconf/flags-cflags.m4	Wed Jun 20 17:15:16 2018 +0200
@@ -549,6 +549,7 @@
   elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
     WARNING_CFLAGS="-W3"
     WARNING_CFLAGS_JDK="-wd4800"
+    WARNING_CFLAGS_JVM="-wd4800"
   fi
 
   # Set some additional per-OS defines.