Re: [Qemu-trivial] [Qemu-devel] [PATCH] tests: Do not include lutil on SunOS

[Kamil Rytarowski]

On 04.09.2017 11:32, Peter Maydell wrote:
> On 3 September 2017 at 17:49, Kamil Rytarowski <address@hidden> wrote:
>> This fixes build on SmartOS (Joyent).
>>
>> Patch cherry-picked from pkgsrc by jperkin (Joyent).
>>
>> Signed-off-by: Kamil Rytarowski <address@hidden>
>> ---
>>  tests/Makefile.include | 2 ++
>>  1 file changed, 2 insertions(+)
>>
>> diff --git a/tests/Makefile.include b/tests/Makefile.include
>> index f08b7418f0..0e5e6cb9b8 100644
>> --- a/tests/Makefile.include
>> +++ b/tests/Makefile.include
>> @@ -810,8 +810,10 @@ tests/migration/initrd-stress.img: 
>> tests/migration/stress$(EXESUF)
>>         rmdir $(INITRD_WORK_DIR)
>>
>>  ifeq ($(CONFIG_POSIX),y)
>> +ifneq ($(CONFIG_SOLARIS),y)
>>  LIBS += -lutil
>>  endif
>> +endif
> 
> I don't object to this patch in principle, but I don't think
> this is the best way to fix the underlying problem.
> 
> My assumption is that the issue is that Solaris doesn't
> have a -lutil (it's helpful to quote the linker or
> compiler error message for this kind of patch to clarify
> what the failure is that we're trying to fix).
> 

There is no libutil on SmartOS.

I cannot provide any information about the proprietary Solaris here and
in next questions.

> It looks like we use libutil here for openpty, which
> is used in the test-char test. But the condition we're
> using in tests/Makefile.include isn't the same as the
> one we used to decide whether to add -lutil to the
> emulator binary link line, which is in configure:
> 
> if test "$darwin" != "yes" -a "$mingw32" != "yes" -a "$solaris" != yes -a \
>         "$aix" != "yes" -a "$haiku" != "yes" ; then
>     libs_softmmu="-lutil $libs_softmmu"
> fi
> 
> So I think I'd prefer it if we have:
>  * a configure test for "is openpty() in libutil"
>  * use that to determine whether to add -lutil to
>    libs_softmmu and to the libs for tests, rather than
>    doing OS-specific tests
> 

This looks cleaner. I will go for it.

> Q: does Solaris still not have an openpty() implementation?
> Currently we have a local implementation in util/qemu-openpty.c,
> but if that workaround is only needed in old Solaris we don't
> support any more we could perhaps drop it.
> 

SmartOS does not have openpty(). I don't see it either in the mainstream
Illumos-gate repository.

According to pkgsrc, openpty() is in libutil (-lutil) on all BSDs and
Darwin.

> thanks
> -- PMM
>

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