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m4_version_compare and new version numbering [was: distcheck fails with
From: |
Eric Blake |
Subject: |
m4_version_compare and new version numbering [was: distcheck fails with autotest...] |
Date: |
Fri, 02 Nov 2007 22:26:56 -0600 |
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Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.6) Gecko/20070728 Thunderbird/2.0.0.6 Mnenhy/0.7.5.666 |
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According to Jim Meyering on 11/2/2007 1:01 PM:
>> Also, why is the current version something like 2.61a-248-dc51?
>> That compares wrongly in order with 2.61b which is what post 2.61a
>> CVS versions had.
>
> Because these versions are post-2.61a, and pre-2.61b :-)
Hmm. Maybe it's time to rewrite m4_version_compare to treat `-' the same
as `.' when it occurs in the original version strings. Currently,
m4_version_unletter (a key component in AC_PREREQ) interprets the - in the
string as a subtraction, with the following results:
m4_version_unletter([2.61b])
=> 2.62.-1.11
m4_version_unletter([2.61a-248-dc51])
=> 2.62.-1.-239.-1.622261
Side-by-side, this correctly compares 61a-nnn as smaller than 61b.
However, for increasing nnn, the further you get from 61a, the more
negative the result gets, which is the wrong direction.
I'll throw together a patch when I have more time.
- --
Don't work too hard, make some time for fun as well!
Eric Blake address@hidden
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- distcheck fails with autotest: autom4te: cannot open ../../tests/testsuite.tmp: Permission denied, Benoit SIGOURE, 2007/11/01
- Re: distcheck fails with autotest: autom4te: cannot open ../../tests/testsuite.tmp: Permission denied, Ralf Wildenhues, 2007/11/02
- Re: distcheck fails with autotest: autom4te: cannot open ../../tests/testsuite.tmp: Permission denied, Benoit SIGOURE, 2007/11/02
- Re: distcheck fails with autotest: autom4te: cannot open ../../tests/testsuite.tmp: Permission denied, Ralf Wildenhues, 2007/11/02
- Re: distcheck fails with autotest: autom4te: cannot open ../../tests/testsuite.tmp: Permission denied, Jim Meyering, 2007/11/02
- Re: distcheck fails with autotest: autom4te: cannot open ../../tests/testsuite.tmp: Permission denied, Ralf Wildenhues, 2007/11/02
- Re: distcheck fails with autotest: autom4te: cannot open ../../tests/testsuite.tmp: Permission denied, Jim Meyering, 2007/11/02
- m4_version_compare and new version numbering [was: distcheck fails with autotest...],
Eric Blake <=
- Re: m4_version_compare and new version numbering, Jim Meyering, 2007/11/03
- Re: m4_version_compare and new version numbering, Benoit SIGOURE, 2007/11/03
- Re: m4_version_compare and new version numbering, Jim Meyering, 2007/11/03
- Re: m4_version_compare and new version numbering, Andreas Schwab, 2007/11/03
- Re: m4_version_compare and new version numbering, Jim Meyering, 2007/11/03
- Re: m4_version_compare and new version numbering, Andreas Schwab, 2007/11/03
- Re: m4_version_compare and new version numbering, Eric Blake, 2007/11/03
- Re: m4_version_compare and new version numbering, Jim Meyering, 2007/11/03
- Re: m4_version_compare and new version numbering, Ralf Wildenhues, 2007/11/03
- Re: m4_version_compare and new version numbering, Eric Blake, 2007/11/03