From 22352b90e78e2d162b98b5ef6c84672c397be40a Mon Sep 17 00:00:00 2001
From: Lars Wendler <polynomial-c@gentoo.org>
Date: Wed, 17 Mar 2021 17:49:18 +0100
Subject: [PATCH] autoconf-2.70 fix

autoconf-2.70 and newer are more strict with quoting etc. and thus generate
a broken configure file:

  configure: 20855: Syntax error: ")" unexpected (expecting "fi")

Gentoo-bug: https://bugs.gentoo.org/776241
Signed-off-by: Lars Wendler <polynomial-c@gentoo.org>
---
 cf/check-var.m4 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cf/check-var.m4 b/cf/check-var.m4
index 2fd7bca6f0..71d6f70ca8 100644
--- a/cf/check-var.m4
+++ b/cf/check-var.m4
@@ -20,7 +20,7 @@ AC_MSG_RESULT($ac_foo)
 if test "$ac_foo" = yes; then
 	AC_DEFINE_UNQUOTED(AS_TR_CPP(HAVE_[]$1), 1, 
 		[Define if you have the `]$1[' variable.])
-	m4_ifval([$2], AC_CHECK_DECLS([$1],[],[],[$2]))
+	m4_ifval([$2], [AC_CHECK_DECLS([$1],[],[],[$2])])
 fi
 ])