Re: [Qemu-devel] [qemu-s390x] [PATCH v2] configure: Only build the s390-ccw bios if the compiler supports -march=z900

[Thomas Huth <thuth@redhat.com>]

On 2019-01-14 16:20, Cornelia Huck wrote:
> On Mon, 14 Jan 2019 13:52:26 +0100
> Thomas Huth <thuth@redhat.com> wrote:
> 
>> We want to build our s390-ccw bios with -march=z900 so that it also
>> works with the oldest s390x CPU that we support with TCG. However,
>> Clang on s390x does not support -march=z900 anymore, so we can not
>> use this compiler to build the s390-ccw bios. Thus add a proper test
>> to the configure script to see whether the compiler is usable.
>>
>> Signed-off-by: Thomas Huth <thuth@redhat.com>
>> ---
>>  v2: Use compile_prog as suggested by Peter
>>
>>  configure | 6 +++++-
>>  1 file changed, 5 insertions(+), 1 deletion(-)
> 
> With this, the fpu/softfloat patch, and Marcel's rdma patches, I can
> compile with clang on my Fedora 29 s390x system. Yeah!
> 
> Should this patch go through the s390 tree, or take some other path?

There is no dedicated maintainer for the configure script, so please
take it through the s390 tree.

 Thanks,
  Thomas