Call for help: clang/llvm for sparc64

Roman Divacky rdivacky at freebsd.org
Fri Jan 17 18:37:36 UTC 2014


We got further. It looks like the problem is TLS related. It's crashing
in __getCurrentRuneLocale().

And to correct myself - you need to do --enable-target=sparc (not sparc64)
and you need to compile with gcc48.

Anyway, start using llvm on sparc64, it's getting usable :) So more usage
is better.

On Fri, Jan 17, 2014 at 01:12:42PM +0000, Craig Butler wrote:
> Hi Roman and list.
> 
> I've got some spare time and sparc64 kit in the rack.  I can help out and walk through anything you need.
> 
> Kind Regards
> 
> Craig Butler
> 
> Roman Divacky <rdivacky at freebsd.org> wrote:
> 
> >Hi!
> >
> >LLVM is getting a sparc64 backend. It can even selfhost on linux. But it cant
> >on FreeBSD. I am wondering what causes that difference.
> >
> >A small test case where the difference can be seen is compiling tcsh from
> >base. The gethost utility used during the build just coredumps. I suspect
> >fixing that might get us on par with linux.
> >
> >So I am looking for someone who is willing to compile llvm/clang and
> >analyze whats wrong with gethost in tcsh compilation.
> >
> >This is how to do it (you need trunk llvm/clang):
> >
> >svn co http://llvm.org/svn/llvm-project/llvm/trunk llvm
> >cd llvm/
> >svn co http://llvm.org/svn/llvm-project/cfe/trunk clang
> >cd ../
> >CFLAGS=-fno-strict-aliasing CXXFLAGS=-fno-strict-aliasing ./configure --enable-optimized --enable-targets=sparc64
> >make
> >make install
> >
> >will give you a clang binary that you can use for tcsh compilation:
> >
> >cd /usr/src/bin/csh
> >CC=clang make
> >
> >I am more than willing to help with llvm/clang side of this but I dont know
> >anything about sparc64 so I need help. But please contact me if you want to
> >help!
> >
> >Thanks, Roman


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