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test unset portably
From: |
Ralf Wildenhues |
Subject: |
test unset portably |
Date: |
Sun, 3 Sep 2006 17:19:18 +0200 |
User-agent: |
Mutt/1.5.13 (2006-08-11) |
Apparently some older bash versions returned 1 upon unsetting an unset
variable. D'oh! This should be documented in autoconf.texi (patch to
follow on its list).
Applied to HEAD.
Cheers,
Ralf
* tests/testsuite.at: Test `unset' on a set variable; older
bash versions return 1 if the variable was not set.
Index: tests/testsuite.at
===================================================================
RCS file: /cvsroot/libtool/libtool/tests/testsuite.at,v
retrieving revision 1.43
diff -u -r1.43 testsuite.at
--- tests/testsuite.at 1 Sep 2006 16:19:54 -0000 1.43
+++ tests/testsuite.at 3 Sep 2006 15:18:53 -0000
@@ -35,7 +35,7 @@
if test -n "$host_alias"; then
configure_options="--host $host_alias"
fi
-if (unset FOO) >/dev/null 2>&1; then
+if (FOO=bar; unset FOO) >/dev/null 2>&1; then
unset=unset
else
unset=false
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- test unset portably,
Ralf Wildenhues <=