[libvirt] FreeBSD, no gcc present libvirt build issue

Jason Helfman jgh at FreeBSD.org
Thu Aug 29 15:33:45 UTC 2013


On Thu, Aug 29, 2013 at 8:08 AM, Eric Blake <eblake at redhat.com> wrote:

> On 08/29/2013 08:58 AM, Jason Helfman wrote:
> > Hello,
> >
> > There is an initiative at FreeBSD in removing gcc from base system and
> > using CLANG. That being said, we are trying to resolve issues of ports
> that
> > can't build without gcc. Libvirt fell into this group, and are curious if
> > anyone has any ideas on why this breakage would occur.
> >
> > Here is a link to the buildlog:
> >
> http://pb2.nyi.freebsd.org/bulk/nogcc-default/2013-08-26_21h09m25s/logs/errors/libvirt-1.1.1.log
>
> The relevant section:
>
>
> util/virrandom.c:75:1: error: bit-field '_gl_verify_error_if_negative'
> has negative width (-1)
> verify(((RAND_MAX + 1U) & RAND_MAX) == 0);
> ^
> ../gnulib/lib/verify.h:251:19: note: expanded from macro 'verify'
> #define verify(R) _GL_VERIFY (R, "verify (" #R ")")
>                   ^
> ../gnulib/lib/verify.h:211:8: note: expanded from macro '_GL_VERIFY'
>       [_GL_VERIFY_TRUE (R, DIAGNOSTIC)]
>        ^
> ../gnulib/lib/verify.h:176:15: note: expanded from macro '_GL_VERIFY_TRUE'
>    (!!sizeof (_GL_VERIFY_TYPE (R, DIAGNOSTIC)))
>               ^
> ../gnulib/lib/verify.h:196:27: note: expanded from macro '_GL_VERIFY_TYPE'
>     struct { unsigned int _gl_verify_error_if_negative: (R) ? 1 : -1; }
>                           ^
> 1 error generated.
> gmake[3]: *** [libvirt_util_la-virrandom.lo] Error 1
>
>
> What does RAND_MAX expand to?
>
> --
> Eric Blake   eblake redhat com    +1-919-301-3266
> Libvirt virtualization library http://libvirt.org
>
>
stdlib.h:#define        RAND_MAX        0x7fffffff

-jgh

-- 
Jason Helfman          | FreeBSD Committer
jgh at FreeBSD.org     | http://people.freebsd.org/~jgh  | The Power to Serve
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