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Re: [Caml-list] The DLL-hell of O'Caml
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Date: 2002-03-11 (07:12)
From: Mattias Waldau <mattias.waldau@a...>
Subject: RE: [Caml-list] The DLL-hell of O'Caml
Does CPAN also use information about installed libraries, 
for example which versions of glibc are available?


> -----Original Message-----
> From: 
> [] On Behalf Of Mark 
> D. Anderson
> Sent: Monday, March 11, 2002 5:28 AM
> To:
> Subject: Re: [Caml-list] The DLL-hell of O'Caml
> If someone is going to work on this, I'd recommend they look 
> even more deeply at what perl and python do. It is more than 
> just "download over http"; there are also issues of 
> versioning among others.
> Some of the things both those languages have, to greater or 
> lesser degrees:
> - there is a web site for humans with search and list, such 
> as
> - there is a command line which does search, list, and 
> install, such as 
> "perl -MCPAN -e shell" or "ppm"
> (ppm is more an activestate thing; is distributed)
> The install can deal with recursive dependencies if you want.
> - the install utility can handle pure language packages, 
> mixed language packages with C source, and mixed language 
> packages with pre-compiled C source for one architecture (ppm 
> is less flexible but simpler).
> - really obscene things can be done with the perl "Inline" 
> module:
> - a single language install tree can handle a mixture of 
> binary modules that vary by architecture (i686-linux vs. 
> MSWin32-x86-multi-thread) or by language version (5.005 vs. 
> 5.6). pure-language modules can vary by language version. 
> This is useful for multiple developers sharing a single 
> install over NFS, or for a single developer that is trying 
> out multiple configurations.
> - the language runtime does best effort when a package is 
> asked for by name, taking the "best-fit" one; this prevents 
> you having to upgrade all packages just because the language 
> is upgraded.
> -mda
> -------------------
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