[ocaml-platform] [Caml-list] Package compilation and debug mode

[Mark Shinwell]

There is a performance penalty with -g: it makes the raising of
exceptions slower (due to recording of backtraces).   I think that may
be the only difference at present, though I'm not completely sure.

Mark

On 13 March 2016 at 19:16, Ivan Gotovchits <ivg at ieee.org> wrote:
> It looks like, that currently the `-g` option has no performance cost at all (correct me if I’m wrong). Presumably, there is some increase in the package size, but who cares. With these premises, I think it would be a good policy to distribute packages with `-g` flag enabled.
>
>> On Mar 12, 2016, at 4:35 PM, Daniel Bünzli <daniel.buenzli at erratique.ch> wrote:
>>
>> Hello,
>>
>> I'd like to know what the consensus is about distributing packages that always compile in debug mode. It seems that some persons do want to have debug always enabled [1,2], but the discussion is not clear cut [1].
>>
>> By default all my packages are released with -g disabled. It seems easy enough to have an opam switch (even the official one) that automatically enables the flag.
>>
>> So I think OCaml's opam repository should have a policy here. The answer should also take system package managers into account since those pull directly from the tarballs (if this document [3] is still in use for debian it seems they do require compilation with debug mode).
>>
>> Personally I don't have an opinion about it, I'm rather seeking an answer here.
>>
>> Best,
>>
>> Daniel
>>
>> [1] http://caml.inria.fr/mantis/view.php?id=6728
>> [2] http://rgrinberg.com/blog/2016/02/26/opam-package-checklist/
>> [3] http://pkg-ocaml-maint.alioth.debian.org/ocaml_packaging_policy.html/c305.html#AEN307
>>
>>
>>
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