From 2da5c38a45fcfd9778d7d89d0946aa475ae96627 Mon Sep 17 00:00:00 2001
From: Will Hawkins <hawkinsw@obs.cr>
Date: Tue, 22 Nov 2022 19:50:06 -0500
Subject: Redirect output of musttail attribute test

Compilation output from test for support of musttail attribute leaked to
the console.
---
 m4/fp_musttail.m4 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'm4')

diff --git a/m4/fp_musttail.m4 b/m4/fp_musttail.m4
index e309f44c7b..0c61c2ad4c 100644
--- a/m4/fp_musttail.m4
+++ b/m4/fp_musttail.m4
@@ -5,7 +5,7 @@ AC_DEFUN([FP_MUSTTAIL],
 [
     AC_MSG_CHECKING([whether __attribute__((musttail)) is supported])
     echo 'extern int foo(void); int bar(void) { __attribute__((musttail)) return foo(); }' > conftest.c
-    if $CC -c conftest.c -o conftest.o
+    if $CC -c conftest.c -o conftest.o > /dev/null 2>&1
     then
         AC_MSG_RESULT([yes])
         AC_DEFINE(HAS_MUSTTAIL, 1, [Has musttail])
-- 
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