| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | cedric(at)2ndquadrant(dot)com |
| Cc: | pgsql-hackers(at)postgresql(dot)org, Pavan Deolasee <pavan(dot)deolasee(at)gmail(dot)com>, Peter Eisentraut <peter_e(at)gmx(dot)net> |
| Subject: | Re: Makefiles don't seem to remember to rebuild everything anymore |
| Date: | 2012-12-17 17:15:19 |
| Message-ID: | 27114.1355764519@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
=?iso-8859-15?q?C=E9dric_Villemain?= <cedric(at)2ndquadrant(dot)com> writes:
> Le lundi 17 dcembre 2012 17:42:04, Tom Lane a crit :
>> Well, it's behaving as documented, but what this means is we need to be
>> very wary of what contexts we can use .SECONDARY in. I'd just as soon
>> try to avoid using it at all --- my example with hand-edited gram.c
>> points out that even rather short dependency chains can have unexpected
>> misbehaviors if the intermediate files are marked .SECONDARY.
> "touch gram.c" then "make" will build again the affected files.
Yes ... but still with the modified contents of gram.c, so this doesn't
solve the problem I described. I want make to regenerate the file in
question, not (only) its derived files.
regards, tom lane
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