From e3654fa880932f80d3ec6c8eb71453ca08c5a043 Mon Sep 17 00:00:00 2001
From: Unknown <rich.burridge@oracle.com>
Date: Fri, 8 Jul 2016 19:08:45 -0700
Subject: [PATCH] Fix conststrings compiler version string generation. (closes
 #3852)

The Makefile.am tries compiler flags -v, --version, and -V but
neglected to filter error messages if these flags aren't recognized.
---
 Makefile.am | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/Makefile.am b/Makefile.am
index 82fe15dff..a05249561 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -99,9 +99,9 @@ mutt_dotlock.c: dotlock.c
 
 conststrings.c: txt2c config.status
 	( \
-		$(CC) -v || \
-		$(CC) --version || \
-		$(CC) -V || \
+		($(CC) -v >/dev/null 2>&1 && $(CC) -v) || \
+		($(CC) --version >/dev/null 2>&1 && $(CC) --version) || \
+		($(CC) -V >/dev/null 2>&1 && $(CC) -V) || \
 		echo "unknown compiler"; \
 	) 2>&1 | ${srcdir}/txt2c.sh cc_version >conststrings_c
 	echo "$(CFLAGS)" | ${srcdir}/txt2c.sh cc_cflags >>conststrings_c
-- 
2.40.0