From 7f94d3aa623d9116efce3e3604df6b76bdecf3f3 Mon Sep 17 00:00:00 2001
From: Michael Lampe <lampe@boskoop.gcsc.uni-frankfurt.de>
Date: Fri, 16 Oct 2020 21:32:15 +0200
Subject: [PATCH] Don't print "Unknown compiler version - ..." with current
 MSVC

---
 boost/config/compiler/visualc.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/boost/config/compiler/visualc.hpp b/boost/config/compiler/visualc.hpp
index ce6bbeec..6b64b82e 100644
--- a/boost/config/compiler/visualc.hpp
+++ b/boost/config/compiler/visualc.hpp
@@ -288,7 +288,7 @@
 #if (_MSC_VER > 1800 && _MSC_FULL_VER > 190022310)
 #  if defined(BOOST_ASSERT_CONFIG)
 #     error "Unknown compiler version - please run the configure tests and report the results"
-#  else
+#  elsif 0
 #     pragma message("Unknown compiler version - please run the configure tests and report the results")
 #  endif
 #endif