From: Paul Eggert <eggert@cs.ucla.edu>
Date: Thu, 14 Jul 2022 19:24:20 +0000 (-0700)
Subject: Handle z/OS Unix ‘set’ output
X-Git-Tag: v2.72c~45
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f07de9b1db14223aae5dee5d348de3f938423b60;p=thirdparty%2Fautoconf.git

Handle z/OS Unix ‘set’ output

Problem and fix reported by Jeff Shimoda in:
https://lists.gnu.org/r/autoconf-patches/2022-06/msg00007.html
* tests/local.at (AT_CONFIG_CMP): Treat ‘var=""’ like ‘var=''’.
Copyright-paperwork-exempt: Yes
---

diff --git a/tests/local.at b/tests/local.at
index f79f57ff..193fd118 100644
--- a/tests/local.at
+++ b/tests/local.at
@@ -476,6 +476,7 @@ do
   $SED '/^ac_cv_/ b skip
 	/^m4_defn([m4_re_word])=./ !d
 	/^[[^=]]*='\'''\''$/ d
+	/^[[^=]]*=""$/ d
 	/^a[[cs]]_/ d
 	: skip
 	/^OLDPWD=/ d