From 7be46e0132c6c882964c0b6ba05d9bb4ca1aa636 Mon Sep 17 00:00:00 2001
From: "jan.nijtmans" <nijtmans@users.sourceforge.net>
Date: Tue, 15 Mar 2022 17:12:31 +0000
Subject: Fix [639208cc7b]: main makefile.vc OPTS=static compile error in
 libtommath\bn_mp_set_i64.c: An unary minus operator was assigned to a
 signless type. The result is still signless.

---
 win/rules.vc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/win/rules.vc b/win/rules.vc
index 372d70a..a571899 100644
--- a/win/rules.vc
+++ b/win/rules.vc
@@ -1471,8 +1471,8 @@ cdebug = $(cdebug) -Zi
 
 !endif # $(DEBUG)
 
-# cwarn includes default warning levels.
-cwarn = $(WARNINGS)
+# cwarn includes default warning levels, also C4146 is useless.
+cwarn = $(WARNINGS) -wd4146
 
 !if "$(MACHINE)" == "AMD64" || "$(MACHINE)" == "ARM64"
 # Disable pointer<->int warnings related to cast between different sizes
-- 
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