From 5c21de71c7c1c4187ed48049ac448cb5d189badc Mon Sep 17 00:00:00 2001
From: William S Fulton <wsf@fultondesigns.co.uk>
Date: Sun, 20 Jan 2019 17:06:43 +0000
Subject: [PATCH] Fix configure.ac to work again with version 2.58 testing the
 D compiler

Remove use of _AC_DO_STDERR which became available in autoconf 2.60.

Closes #1405
---
 configure.ac | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/configure.ac b/configure.ac
index ad06fd42a..deb537e81 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2728,7 +2728,7 @@ void main() {
 _ACEOF
       rm -f conftest.$ac_objext
       AS_IF(
-        [_AC_DO_STDERR($D1COMPILER conftest.$ac_ext) && test ! -s conftest.err && test -s conftest.$ac_objext],
+        [$D1COMPILER conftest.$ac_ext 2>&AS_MESSAGE_LOG_FD && test ! -s conftest.err && test -s conftest.$ac_objext],
         [AC_MSG_RESULT([yes])],
         [_AC_MSG_LOG_CONFTEST AC_MSG_RESULT([no])
         D1COMPILER=]
@@ -2751,7 +2751,7 @@ void main() {
 _ACEOF
       rm -f conftest.$ac_objext
       AS_IF(
-        [_AC_DO_STDERR($D2COMPILER conftest.$ac_ext) && test ! -s conftest.err && test -s conftest.$ac_objext],
+        [$D2COMPILER conftest.$ac_ext 2>&AS_MESSAGE_LOG_FD && test ! -s conftest.err && test -s conftest.$ac_objext],
         [AC_MSG_RESULT([yes])],
         [_AC_MSG_LOG_CONFTEST AC_MSG_RESULT([no])
         D2COMPILER=]