[LLVMdev] OCaml bindings broken in trunk

Chad Rosier
Mon, 10 Sep 2012 17:08:05 -0000

On Sep 7, 2012, at 3:40 PM, Nuno Lopes wrote:

> The linking issue is a recent breakage.
> I traced it back to r163175. Basically LLVMConstInlineAsm() got an
additional parameter, but the C headers and the OCaml bindings were not updated
accordingly.

r163175 was my change.  I'm not familiar with the OCaml project.  If I'm
responsible for updating said C headers/OCaml bindings, would someone mind
pointing me in the right direction?  If not, let me know if I can be of
assistance.

 Chad

>
> About the miscompilations, can you provide further details?
>
> Nuno
>
>
> ----- Original Message -----
>> I've recently upgraded my project-local copy of LLVM from 3.1svn to
the latest 3.2svn, and all hell broke loose in my attempts to build OCaml
projects.
>>
>> Trying to narrow it down, I tried testing examples/OCaml-Kaleidoscope
and eventually test/Bindings, only to discover that literally nothing in the
repository which uses the OCaml bindings seems to build in the current trunk:
>>
>> - OCaml-Kaleidoscope/Chapter{2-6} fail early with apparent Makefile
misconfigurations
>> - test/Bindings/OCaml/* fail to link for lack of `_LLVMConstInlineAsm`,
which is also the first (of many) symbols I struggled to link correctly in my
own project after upgrading and rebuilding.
>>
>> Is this a known state of affairs?
>>
>> This came up first on OS X 10.8.1, Homebrew OCaml 3.12.1, and a fresh
bare checkout of trunk at 163420. I reproduced it exactly on Ubuntu 12.04 (with
stock OCaml 3.12.1 and trunk at 163420).
>>
>> Thanks.
>