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PATCH: 3.1.5-pws24: LIBS et al were overwritten by empty values of getconf

X-seq: zsh-workers 6893
From: Andrej Borsenkow <Andrej.Borsenkow@xxxxxxxxxxxxxx>
To: zsh-workers@xxxxxxxxxxxxxx
Subject: PATCH: 3.1.5-pws24: LIBS et al were overwritten by empty values of getconf
Date: Mon, 28 Jun 1999 14:12:17 +0400 (MSD)
Mailing-list: contact zsh-workers-help@xxxxxxxxxxxxxx; run by ezmlm

Zsh did not ignore environment variables because of empty getconf values,
but it still happily overwrote them.

the patch below hopefully fixes it

regards

-- 
------------------------------------------------------------------------
Andrej Borsenkow 		Fax:   +7 (095) 737 2747
Siemens ICP ITS Moscow		Tel:   +7 (095) 737 2723

E-Mail: Andrej.Borsenkow@xxxxxxxxxxxxxx
-------------------------------------------------------------------------

--- aczsh.m4.org	Wed Jun  9 18:50:06 1999
+++ aczsh.m4	Mon Jun 28 11:28:52 1999
@@ -47,6 +47,8 @@
     eval test '"${'$ac_shellvar'+set}"' = set && ac_set=$ac_shellvar
     ac_getconfs=$ac_getconfs$ac_getconf
     eval ac_test_$ac_shellvar="\$ac_getconf"
+  else
+    eval ac_test_$ac_shellvar="\$$ac_shellvar"
   fi
 done
 case "$ac_result$ac_getconfs" in

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