RE: [Caml-list] 4.03.0+beta2

[David Allsopp <dra-news@metastack.com>]

moosotc@gmail.com wrote:
> Damien Doligez <damien.doligez@inria.fr> writes:
> > Dear OCaml users,
> >
> > OCaml release 4.03.0 will arrive in about 2 weeks.  We have created a
> > second beta version for your testing pleasure.  Please test your
> > favourite software with it and let me know whether it works for you.
> >
> > If you are a library author, please make sure your library will work
> > with 4.03.0, and update it if needed.
> >
> > This beta version is available as an OPAM switch (4.03.0+beta2) and
> > also as source code at this address:
> >   http://caml.inria.fr/pub/distrib/ocaml-4.03/
> >
> > Happy hacking,
> >
> 
> Some of my code is normally built with -warn-error +a -w +a,

By normally, you do mean "in development-mode only", right...

On 01 December 2010 at 14:29, Damien Doligez wrote:
> 
> On 2010-11-27, at 11:21, David Allsopp wrote:
> 
> > and set Warning 28 to be on by default for [Foo _] - that would simply 
> > mean that 3.11/3.12 code using that syntax would emit warnings in "3.13"
> > rather than actually breaking (unless you've including -warn-error - but
> > that's always seemed to me to be a development option, not a release 
> > option...)
>
>
> Hear, hear!  This is in fact very important and bears repeating:
> don't use -warn-error in released code.

moosotc@gmail.com continued:
> but with
> 4.03 the compilation fails due to deprecated Char.lowercase. Alternative
> (lowercase_ascii) is not available on <4.03 and I'd like to avoid +a-3 if
> I can help it.

What's wrong with either pre-processing or selecting an alternative file in your configure step? Various examples of both in findlib (which contains a compatibility package for the Bytes module) and batteries (which contains easily-adaptable compatibility shims for missing constructors and features in the Unix module)


David