[Libclc-dev] Can't compile Libclc anylonger with current git LLVM since 16. Mai
Dieter Nützel via Libclc-dev
libclc-dev at lists.llvm.org
Fri Jun 17 17:26:25 PDT 2016
Am 17.06.2016 22:39, schrieb Jan Vesely:
> On Sun, 2016-05-29 at 01:52 +0200, Dieter Nützel wrote:
>> Am 29.05.2016 00:55, schrieb Jan Vesely:
>> > This failure is not caused by libclc, but rather change in clang
>> > (r269670). The revision changed the way clc extensions are handled
>> > and
>> > did not allow any extensions for nvptx.
>> > compilation fails because libclc configure sets -Dcl_khr_fp64, but
>> > clang refuses to enable the extension.
>> > Possible fixes/workarounds:
>> > 1.) Don't compile nvptx libclc target. amd targets have relied on
>> > clang
>> > providing device information for some time, and should be fine (the
>> > bug
>> > in current clang should not be fatal).
>> > 2.) Remove -Dcl_khr_fp64 from nvptx targets in configure. We'll
>> > probably need to that anyway. This might lead to miscompiled libclc
>> > for
>> > nvptx and you'll see a ton of warnings.
>> > 3.) Apply patches [0,1,2,3] to your clang and recompile. Patch 
>> > should be enough, but I haven't tested them individually.
>> > regards,
>> > Jan
>> >  http://reviews.llvm.org/D20447
>> >  http://reviews.llvm.org/D20744
>> >  http://reviews.llvm.org/D20388
>> >  http://reviews.llvm.org/D20389
>> > On Sun, 2016-05-29 at 00:29 +0200, Dieter Nützel via Libclc-dev
>> > wrote:
>> > > Hello to the list,
>> > >
>> > > my last and running Libclc was compiled with git LLVM taken from
>> > > the
>> > > same day:
>> Thank you very much Jan!
>> I've taken route 2.) and libclc is running as before, e.g. on AMD
>> Ni/Turks XT.
>> Awaiting route 3.), next.
>> Let me know when clang patches are landed.
> FYI: the clang and libclc patches are now in.
Thanks for the reminder, Jan!
Up and running.
Now, can't wait to see this all running on RX480 _8 GB_...;-)
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