From 627aa2948546d208d31458ab37898239b244e599 Mon Sep 17 00:00:00 2001
From: Jeff Squyres <jsquyres@cisco.com>
Date: Fri, 4 Mar 2016 08:31:38 -0500
Subject: [PATCH] autogen: fix deprecated construct

Newer versions of Perl warn that unescaped left braces in regexps are
deprecated.

(cherry picked from commit open-mpi/ompi@9c9bad3db58d003d531b4a46cfc7cfece778a0e6)
---
 autogen.pl | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/autogen.pl b/autogen.pl
index 0cedf66e01..b9ab787d1a 100755
--- a/autogen.pl
+++ b/autogen.pl
@@ -1,6 +1,6 @@
 #!/usr/bin/env perl
 #
-# Copyright (c) 2009-2015 Cisco Systems, Inc.  All rights reserved.
+# Copyright (c) 2009-2016 Cisco Systems, Inc.  All rights reserved.
 # Copyright (c) 2010      Oracle and/or its affiliates.  All rights reserved.
 # Copyright (c) 2013      Mellanox Technologies, Inc.
 #                         All rights reserved.
@@ -1001,9 +1001,9 @@ sub patch_autotools_output {
     # https://github.com/open-mpi/ompi/issues/751
     push(@verbose_out, $indent_str . "Patching configure for libtool.m4 bug\n");
     # patch for libtool < 2.4.3
-    $c =~ s/# Some compilers place space between "-{L,R}" and the path.\n       # Remove the space.\n       if test \$p = \"-L\" \|\|/# Some compilers place space between "-{L,-l,R}" and the path.\n       # Remove the spaces.\n       if test \$p = \"-L\" \|\|\n          test \$p = \"-l\" \|\|/g;
+    $c =~ s/# Some compilers place space between "-\{L,R\}" and the path.\n       # Remove the space.\n       if test \$p = \"-L\" \|\|/# Some compilers place space between "-\{L,-l,R\}" and the path.\n       # Remove the spaces.\n       if test \$p = \"-L\" \|\|\n          test \$p = \"-l\" \|\|/g;
     # patch for libtool >= 2.4.3
-    $c =~ s/# Some compilers place space between "-{L,R}" and the path.\n       # Remove the space.\n       if test x-L = \"\$p\" \|\|\n          test x-R = \"\$p\"\; then/# Some compilers place space between "-{L,-l,R}" and the path.\n       # Remove the spaces.\n       if test x-L = \"x\$p\" \|\|\n          test x-l = \"x\$p\" \|\|\n          test x-R = \"x\$p\"\; then/g;
+    $c =~ s/# Some compilers place space between "-\{L,R\}" and the path.\n       # Remove the space.\n       if test x-L = \"\$p\" \|\|\n          test x-R = \"\$p\"\; then/# Some compilers place space between "-\{L,-l,R\}" and the path.\n       # Remove the spaces.\n       if test x-L = \"x\$p\" \|\|\n          test x-l = \"x\$p\" \|\|\n          test x-R = \"x\$p\"\; then/g;
 
     # Only write out verbose statements and a new configure if the
     # configure content actually changed