From: Paul Eggert <eggert@cs.ucla.edu>
Date: Mon, 16 May 2022 05:14:57 +0000 (-0700)
Subject: Work around AT&T 3b1 bug
X-Git-Tag: v2.72c~61
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=486065814804c3335091260924ce583cd614eff7;p=thirdparty%2Fautoconf.git

Work around AT&T 3b1 bug

* lib/m4sugar/m4sh.m4: Work around bug in ancient sed.
Problem reported by Alain Knaff [sr#110654] for AT&T 3b1.
The Autoconf manual says this sed bug also occurs for
RISC/OS and IRIX 5.3.
---

diff --git a/lib/m4sugar/m4sh.m4 b/lib/m4sugar/m4sh.m4
index e6067ecf..8323eb1d 100644
--- a/lib/m4sugar/m4sh.m4
+++ b/lib/m4sugar/m4sh.m4
@@ -1221,6 +1221,8 @@ dnl Eggert wrote the scripts with optimization help from Paolo Bonzini).
     /[$]LINENO/=
   ' <$as_myself |
     sed '
+      t clear
+      :clear
       s/[$]LINENO.*/&-/
       t lineno
       b