Re: Many Ocaml packages ftbfs on riscv64

[Bo YU <tsu.yubo@gmail.com>]

Hi,

On Tue, Feb 7, 2023 at 10:32 PM Stéphane Glondu <glondu@debian.org> wrote:
>
> Hi,
>
> Le 07/02/2023 à 10:43, Bo YU a écrit :
...
>
> My theory is that the binNMU of ocaml that happened on riscv64 52 days
> ago actually changed some ABI deep down in OCaml, in a way that is not
> captured by ABIs seen by dh_ocaml (who only sees the OCaml version for
> the OCaml itself).
>
>
> Indeed, in 4.13.1-3, the implementation of Location has hash:
>
>    71ef05860655aabe363196083f27f3ba
>
> whereas in 4.13.1-3+b1, it has hash:
>
>    d953ceaf4bea20046c579284fe5c8418
>
>
> Looking further, some configuration options are embedded in config.cmx,
> and some of them depend on the building path... this is a bug (#1030785)!
>
> In the specific case at hand, there was also a change in default link
> options ("-ldl" was dropped).
>
>
> I'm afraid this bug is going to be difficult to fix in practice... For
> the time being, you can binNMU ppxlib, then all broken packages. It
> should fix the errors you see.

Thanks for sharing this valuable info, this option maybe is my better choose
to fix the issue.

Many thanks.

BR,
Bo

>
>
> Cheers,
>
> --
> Stéphane