[LLVMdev] Some questions for an LLD Buildbot Slave

[Rui Ueyama]

On Mon, Nov 18, 2013 at 9:57 AM, Mikael Lyngvig <mikael at lyngvig.org> wrote:

> I'm in the process of configuring a Mac Mini G4 (PowerPC, big-endian) to
> be an LLD buildbot slave, as there were some who wanted a big-endian tester
> of LLD.
>
> I have a few quick questions with respect to that:
>
> 1. LLD appears to be built using Clang, but Clang is not built as part of
> the LLD build.  So which version of Clang should I use?  v3.3 or any
> nightly build of Clang.  Is it enough that I occasionally build a Clang,
> install it, and use that?
>

LLD should compile with any compiler as long as it supports C++11.


> 2. I'm not sure how to test LLD properly.  Is the test of LLD included in
> the LLVM test suite or how do I ensure that the LLD test suite gets run on
> this big-endian setup? (This is the whole point of setting up a big-endian
> LLD buildbot slave: To test LLD in a big-endian environment.)
>
> 3. When trying to use a self-built version of Clang, I get an error about
> libc++ missing when the buildbot slave tries to build LLD.  When I build
> and install libc++, I get unresolved symbols (GNU exception handling
> support routines) of the form "/usr/local/lib/libc++.so: undefined
> reference to `__cxa_end_catch'".
>
> As far as I am concerned, this build slave is not going be valuable in
> terms of quickly reporting errors (it is only 1,25 GHz, so it is simply too
> slow for that), but rather it will serve by testing LLD in a big-endian
> setting.  I do hope that this build slave will reveal a number of issues in
> LLD.
>
>
> -- Mikael
>
> _______________________________________________
> LLVM Developers mailing list
> LLVMdev at cs.uiuc.edu         http://llvm.cs.uiuc.edu
> http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20131118/8f3a8d53/attachment.html>