From e8881b0d3edb3fb32edf1a641b5e7b9beb30dec2 Mon Sep 17 00:00:00 2001
From: Ozkan Sezer <sezeroz@gmail.com>
Date: Wed, 1 Dec 2021 01:50:10 +0300
Subject: [PATCH] libtool upgrade to 2.4.6 - 6/n: fix typo introduced in
 libtool-2.4.3

i.e. wrong -L/-R detection. see:
https://debbugs.gnu.org/cgi/bugreport.cgi?bug=21137 | 22895 | 31900 | 36762
---
 acinclude/libtool.m4 | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/acinclude/libtool.m4 b/acinclude/libtool.m4
index 849cd6f99..db3e96564 100644
--- a/acinclude/libtool.m4
+++ b/acinclude/libtool.m4
@@ -7529,8 +7529,9 @@ if AC_TRY_EVAL(ac_compile); then
     -L* | -R* | -l*)
        # Some compilers place space between "-{L,R}" and the path.
        # Remove the space.
-       if test x-L = "$p" ||
-          test x-R = "$p"; then
+       if test x-L = "x$p" ||
+          test x-R = "x$p" ||
+          test x-l = "x$p"; then
 	 prev=$p
 	 continue
        fi