Build problems with glibc 2.26

[Rolf Eike Beer]

Am Donnerstag, 10. August 2017, 15:02:53 CEST schrieb Alexander Monakov:
> On Thu, 10 Aug 2017, Jonathan Wakely wrote:
> > On 10 August 2017 at 13:05, Rolf Eike Beer wrote:
> > > I'm trying to build gcc 5.4.0 together with glibc 2.26. It is a
> > > cross-build to both AMD64 or i686 that shows problems, while ARM works.
> > > (For those who want to suggest a newer gcc first: no, doesn't work:
> > > https://gcc.gnu.org/bugzilla/ show_bug.cgi?id=70936).
> > > 
> > > The problem arises from this output of configure of libgomp:
> > > 
> > > checking for ISO C99 support in <math.h>... no
> > 
> > You need to look at libgomp/config.log and see why this happens.
> 
> Note there's an issue with (just recently released) glibc 2.26 and libstdc++
> that looks related, but root cause may be different as libgomp doesn't use
> C++: https://sourceware.org/bugzilla/show_bug.cgi?id=21930

Thanks for the pointer, that very likely is the cause (as I said before, 
libgomp was a typo, it's actually libstdc++-v3).

Greetings,

Eike
-- 
Rolf Eike Beer, emlix GmbH, http://www.emlix.com
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