autotest: work around zsh bug
commit0cca574572a7ea89f31ca50df05e65c8d97ac905
authorEric Blake <eblake@redhat.com>
Mon, 13 Sep 2010 17:31:23 +0000 (13 11:31 -0600)
committerEric Blake <eblake@redhat.com>
Mon, 13 Sep 2010 19:28:35 +0000 (13 13:28 -0600)
tree34432921208ea45be484054b598a0685eb2112f7
parent793b3a74c492afbf4c08608e39bb6529bc6c8274
autotest: work around zsh bug

* lib/autotest/general.m4 (AT_DATA): Special case an empty data
file, since zsh botches empty here-docs.
* doc/autoconf.texi (Writing Testsuites) <AT_DATA>: Document that
this allows empty contents.
* tests/autotest.at (AT_DATA): New test.
Reported by Ralf Wildenhues.

Signed-off-by: Eric Blake <eblake@redhat.com>
ChangeLog
doc/autoconf.texi
lib/autotest/general.m4
tests/autotest.at