diff -r 576949777967 -r 8d9ad04d908b make/windows/makefiles/sanity.make
--- a/make/windows/makefiles/sanity.make	Tue Sep 06 13:01:27 2016 +0200
+++ b/make/windows/makefiles/sanity.make	Mon May 21 03:13:55 2018 -0700
@@ -28,8 +28,15 @@
 
 checkCL:
 	@ if "$(MSC_VER)" NEQ "1310" if "$(MSC_VER)" NEQ "1399" if "$(MSC_VER)" NEQ "1400" if "$(MSC_VER)" NEQ "1500" if "$(MSC_VER)" NEQ "1600" if "$(MSC_VER)" NEQ "1700" \
+	if "$(MSC_VER)" NEQ "1800" \
+	if "$(MSC_VER)" NEQ "1900" \
+	if "$(MSC_VER)" NEQ "1912" \
 	echo *** WARNING *** unrecognized cl.exe version $(MSC_VER) ($(RAW_MSC_VER)).  Use FORCE_MSC_VER to override automatic detection.
 
 checkLink:
 	@ if "$(LD_VER)" NEQ "710" if "$(LD_VER)" NEQ "800" if "$(LD_VER)" NEQ "900" if "$(LD_VER)" NEQ "1000" if "$(LD_VER)" NEQ "1100" \
+	if "$(LD_VER)" NEQ "1200" \
+	if "$(LD_VER)" NEQ "1300" \
+	if "$(LD_VER)" NEQ "1400" \
+	if "$(LD_VER)" NEQ "1412" \
 	echo *** WARNING *** unrecognized link.exe version $(LD_VER) ($(RAW_LD_VER)).  Use FORCE_LD_VER to override automatic detection.