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Re: Setup auto-dependency generation?
- From: "Max Bowsher" <maxb at ukf dot net>
- To: "Gary R. Van Sickle" <g dot r dot vansickle at worldnet dot att dot net>,"Cygwin-Apps" <cygwin-apps at sources dot redhat dot com>
- Date: Thu, 5 Jun 2003 16:13:49 +0100
- Subject: Re: Setup auto-dependency generation?
- References: <NCBBIHCHBLCMLBLOBONKAELMEDAA.g.r.vansickle@worldnet.att.net>
Gary R. Van Sickle wrote:
> I'll just throw this out there to see if it's more burger than bun. This
came
> to mind when I read the "libpcre setup.hint is BROKEN" thread: Would it be
> possible for upset or something to automatically generate the
> setup.hint/setup.ini dependencies, or at least check them? Seems to me
that,
> since cygcheck will output a list of required DLLs, that a little bit of
perl
> could:
>
> 1. Generate a DLL->Package map for all packages in Setup (this already
exists).
> 2. Get a list of DLLs required by all EXEs/DLLs in a package using
cygcheck.
> 3. Look up the DLL names in the DLL->Package map.
> 4. Generate or check the "requires" line of said package.
> 5. Lather, rinse, repeat for each package.
>
> Of course there may be more dependencies than just EXEs->DLLs, but I'd
assume
> this is the major one, and it would at the very least be a partial
solution to
> dependency problems (it would have prevented the libpcre problem anyway).
>
> It's early in the morning (they added a 9:30 in the morning now, lousy
> government) and I'm thinking even less clearly than normal; I'm just
asking if
> it's possible and/or makes any sense, so please no "PTC"s, I'm well aware
of the
> drill.
It makes sense to me. I've thought about something like this, but never
tried to implement it.
One thing I would note: Probably not so suitable for upset - since this
method needs to decompress every binary package. However, a standalone tool,
possibly writing a cache of contained DLLs and discovered dependencies,
could work well.
Max.