From: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
Date: Fri, 23 Nov 2007 18:42:00 +0000 (+0100)
Subject: Fix awk script optimization.
X-Git-Tag: v2.62~115
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ce4ff0376345c1dae710879293c5aa61d96fd446;p=thirdparty%2Fautoconf.git

Fix awk script optimization.

* lib/autotest/general.m4 (AT_INIT): For awk line number
extraction script, ensure `$at_group' has a defined value
even for the empty set, and properly quote its usage inside
the awk script.
---

diff --git a/ChangeLog b/ChangeLog
index efc33d03..d6d42ea8 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2007-11-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
+
+	* lib/autotest/general.m4 (AT_INIT): For awk line number
+	extraction script, ensure `$at_group' has a defined value
+	even for the empty set, and properly quote its usage inside
+	the awk script.
+
 2007-11-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 
 	* doc/autoconf.texi (Shell Functions): New chapter.  Document
diff --git a/lib/autotest/general.m4 b/lib/autotest/general.m4
index b40db8d1..6fa3f2e4 100644
--- a/lib/autotest/general.m4
+++ b/lib/autotest/general.m4
@@ -873,7 +873,7 @@ else
 fi
 
 # Get the last needed group.
-for at_group in $at_groups; do :; done
+for at_group in : $at_groups; do :; done
 
 # Extract the start and end lines of each test group at the tail
 # of this file
@@ -885,7 +885,7 @@ BEGIN { FS="" }
 /^@%:@AT_STOP_/ {
   test = substr ($ 0, 10)
   print "at_sed" test "=\"1," start "d;" NR "q\""
-  if (test == '$at_group') exit
+  if (test == "'"$at_group"'") exit
 }' "$at_myself" > "$at_test_source"
 . "$at_test_source"