Re: [Qemu-devel] [PATCH] configure: pick the right compiler for OpenBSD by default

[Brad Smith <brad@comstyle.com>]

On 10/13/2017 12:14 PM, Peter Maydell wrote:

> On 13 October 2017 at 12:46, Thomas Huth<thuth@redhat.com>  wrote:
>> I disagree. If the next OpenBSD release uses Clang by default, we're not
>> building QEMU there with the *working default* C compiler anymore.
>> You're then rather forcing the OpenBSD users then to install an
>> additional (likely unliked, since GPLv3) GCC package on their systems.
>>
>> So IMHO, just drop this patch and wait for the next OpenBSD release, and
>> the problem will be solved automatically. (and the few users who still
>> use an older release of OpenBSD will likely use the QEMU from their
>> ports system anyway)
> Another possible approach would be to have a configure test
> for whatever feature it is that we need in our compiler,
> and then run through a list that starts with "cc" and
> goes on to try "egcc" etc until it finds one that works.
> That way we'll automatically DTRT when OpenBSD upgrades
> their "cc" to a working one.

The release is already out.

One issue that needs to be fixed in the configure script. Have the TLS test
link with libpthread if the initial test fails.