From: Sven <luther@dpt-info.u-strasbg.fr>
To: Jacques Garrigue <garrigue@kurims.kyoto-u.ac.jp>
Cc: tim@fungible.com, caml-list@inria.fr
Subject: Re: [Caml-list] Big executables from ocamlopt; dynamic libraries again
Date: Mon, 18 Mar 2002 14:11:23 +0100 [thread overview]
Message-ID: <20020318141123.A28677@dpt-info.u-strasbg.fr> (raw)
In-Reply-To: <20020318101225C.garrigue@kurims.kyoto-u.ac.jp>; from garrigue@kurims.kyoto-u.ac.jp on Mon, Mar 18, 2002 at 10:12:25AM +0900
On Mon, Mar 18, 2002 at 10:12:25AM +0900, Jacques Garrigue wrote:
> You're right, but there is a bit more about dynamic linking.
> A major problem with using dynamic linking with ocaml (in particular
> with native code), is that your program come cut into small pieces,
> and you must be sure that they are all compatible. Somebody posted
> recently about problems when upgrading ocaml, and part of it is caused
> by incompatibilities in the binary format between versions. Just
> imagine the reaction of your user when, after having loaded various
> packages required for your program, he only gets an error message or a
> segmentation fault when trying to run it.
You just would need a propper versionning scheme for ocaml libraries, which
follow strict rules. This way, if you do incompatibles changes to a library
(the signature changes) you bump the version number, and everyone will know
about it. This would be a big gain even if we are not linking statically.
One could even imagine a scheme were there is support for compatible
signatures changes or such (adding functions and so on), i guess the module
type system is able to offer this easily.
Friendly,
Sven Luther
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prev parent reply other threads:[~2002-03-18 13:10 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-03-16 16:05 Tim Freeman
2002-03-18 1:12 ` Jacques Garrigue
2002-03-18 1:29 ` Tim Freeman
2002-03-18 5:20 ` Jacques Garrigue
2002-03-18 10:10 ` [Caml-list] Big executables from ocamlopt; dynamic librariesagain Warp
2002-03-18 13:14 ` [Caml-list] Big executables from ocamlopt; dynamic libraries again Sven
2002-03-18 15:51 ` [Caml-list] Type-safe backward compatibility for .so's Tim Freeman
2002-03-18 18:46 ` [Caml-list] Big executables from ocamlopt; dynamic libraries again malc
2002-03-19 22:21 ` Johan Georg Granström
2002-03-20 2:46 ` Hashing research (was Re: [Caml-list] Big executables ...) Tim Freeman
2002-03-18 10:12 ` [Caml-list] Big executables from ocamlopt; dynamic libraries again Nicolas George
2002-03-18 13:11 ` Sven [this message]
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