Stepan Kasal <[EMAIL PROTECTED]> writes:
> First, you made a typo, so you are in fact deleting variables with values
> starting with a dollar.
Sorry about that. It was a missing apostrophe.
I installed the corrected version below.
> Second, the intention to delete all lines matching /^[^=]*=''$/ should be
> documented in the comment above the macro.
That's already done. Here's the comment:
# Furthermore, it is okay for a non-cache variable initialized to empty in one
# run to be unset in another run. This happens when, for example, cache update
# code tries a number of values in LIBS and eventually restores LIBS to its
# original value. If LIBS was previously unset, it will have become set and
# empty. (OTOH, cache variables indicate the result of the test even if they
# are empty, so we have to be strict about them.)
Nicolas's problem is that his shell's "set" command outputs "X=''"
whereas other shells say "X=".
Nicolas, can you please check that this revised patch does the trick?
Thanks.
2005-07-07 Paul Eggert <[EMAIL PROTECTED]>
* tests/local.at (AT_CONFIG_CMP): Ignore lines like "LIBS=''" too.
This is a corrected version of yesterday's patch.
--- tests/local.at.~1.20.~ 2005-07-07 16:53:02.000000000 -0700
+++ tests/local.at 2005-07-07 16:53:36.000000000 -0700
@@ -331,6 +331,7 @@ m4_define([AT_CONFIG_CMP],
do
$SED '/^ac_cv_/ b
/^m4_defn([m4_re_word])=./ !d
+ /^[[^=]]*='\'''\''$/ d
/^a[[cs]]_/ d
/^PPID=/ d
/^RANDOM=/ d
