From 71c6319e26b05f69c334f87a487d9db00a566320 Mon Sep 17 00:00:00 2001
From: Moritz Bunkus <moritz@bunkus.org>
Date: Wed, 11 Sep 2019 21:43:25 +0200
Subject: [PATCH] build fmt without support for user-defined literals

MKVToolNix doesn't use them, has no plans for supporting them, and
using them causes warnings with -Wpedantic in current versions of gcc.
---
 src/common/common.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/common/common.h b/src/common/common.h
index 3c16ca00d..6299329a8 100644
--- a/src/common/common.h
+++ b/src/common/common.h
@@ -40,6 +40,10 @@
 # include <inttypes.h>
 #endif // HAVE_INTTYPES_H
 
+// Don't support user-defined literals in fmt as they aren't used by
+// MKVToolNix and produce a compiler warning in -Wpedantic
+#define FMT_USE_USER_DEFINED_LITERALS 0
+
 #include <fmt/format.h>
 #include <fmt/ostream.h>