Re: nativesdk-qtbase 5.9.2 C++11 errors with gcc 6.3?

From: Denys Dmytriyenko <denis@denix.org>
To: Khem Raj <raj.khem@gmail.com>
Cc: openembeded-devel <openembedded-devel@lists.openembedded.org>
Subject: Re: nativesdk-qtbase 5.9.2 C++11 errors with gcc 6.3?
Date: Fri, 13 Oct 2017 15:47:29 -0400	[thread overview]
Message-ID: <20171013194729.GP9221@denix.org> (raw)
In-Reply-To: <CAMKF1sr7EzrpKKL=CEVisx-p6rB2ba1F4Bncjnij=TKNAcFT6A@mail.gmail.com>

On Fri, Oct 13, 2017 at 11:57:17AM -0700, Khem Raj wrote:
> On Fri, Oct 13, 2017 at 10:35 AM, Denys Dmytriyenko <denis@denix.org> wrote:
> > On Thu, Oct 12, 2017 at 08:48:25PM -0700, Khem Raj wrote:
> >> On Fri, Oct 13, 2017 at 01:21:10AM +0000, Denys Dmytriyenko wrote:
> >> > Khem,
> >> >
> >> > I tried following on your suggestion to add #include <cmath>, but it is
> >> > already there in src/corelib/global/qnumeric_p.h
> >> >
> >> > Not sure why target qtbase builds fine with oe-core gcc 6.3.0, but
> >> > nativesdk-qtbase fails with this error... Any more ideas? Thanks.
> >>
> >> Do you use uninative ? if not then try with uninative.
> >> It seems to be mixing headers from your build host and nativesdk sysroot
> >> there could be several reasons for that. You can also try to build on
> >> a different distro on host may be one which has gcc6 as host gcc.
> >
> > Tried uninative - didn't help, same issue.
> >
> > I'm not so sure host headers are getting in the mix - it's Ubuntu 16.04 with
> > gcc 5.4 on it, while switching between gcc 6.3 and gcc 7.2 in oe-core/master
> > works with 7.2, but not 6.3.
> >
> > I can see if I can try on a host with gcc 6...
> 
> I have gcc 6.4 recipes here
> 
> https://github.com/kraj/openembedded-core/tree/kraj/master
> 
> https://github.com/kraj/openembedded-core/commit/c5afea428484b8af7449e80db109913b81f40f18
> https://github.com/kraj/openembedded-core/commit/e0c1d5bab99f6fd75fea5f89cecb7dcffdbae3bf

BTW, tried on my Gentoo machine with gcc 6.4 as a host and it worked...
So, it does look like a host contamination in Ubuntu 16.04 with gcc 5.4.
But why didn't uninative help?

> >> > On Tue, Oct 03, 2017 at 07:45:35PM -0400, Denys Dmytriyenko wrote:
> >> > > Martin, Khem,
> >> > >
> >> > > Have you tried building Qt 5.9 with gcc 6.3 from oe-core? I'm seeing bunch of
> >> > > what seems to be C++11 related errors during do_configure of nativesdk-qtbase.
> >> > > Target qtbase builds fine and switching to gcc 7.2 seems to resolve it as well.
> >> > >
> >> > > Any ideas or pointers? Thanks!
> >>
> >>
> >> > >
> >> > >
> >> > > Errors are like these:
> >> > >
> >> > > In file included from ../include/QtCore/5.9.2/QtCore/private/qnumeric_p.h:1:0,
> >> > >                  from /OE/master/build/tmp-glibc/work/x86_64-nativesdk-oe-linux/nativesdk-qtbase/5.9.2+gitAUTOINC+73573fce29-r0/git/src/corelib/tools/qarraydata.cpp:42:
> >> > > ../include/QtCore/5.9.2/QtCore/private/../../../../../../git/src/corelib/global/qnumeric_p.h: In function 'bool qnumeric_std_wrapper::__builtin_isnan(double)':
> >> > > ../include/QtCore/5.9.2/QtCore/private/../../../../../../git/src/corelib/global/qnumeric_p.h:104:45: error: '__builtin_isnan' is not a member of 'std'
> >> > >  static inline bool isnan(double d) { return std::isnan(d); }
> >> > >                                              ^~~
> >> > > ../include/QtCore/5.9.2/QtCore/private/../../../../../../git/src/corelib/global/qnumeric_p.h:104:45: note: suggested alternatives:
> >> > > <built-in>: note:   '__builtin_isnan'
> >> > > In file included from /OE/master/build/tmp-glibc/work/x86_64-nativesdk-oe-linux/nativesdk-qtbase/5.9.2+gitAUTOINC+73573fce29-r0/recipe-sysroot/tmp/sdk/sysroots/x86_64-oe-linux/usr/include/c++/6.3.0/cmath:45:0,
> >> > >                  from ../include/QtCore/5.9.2/QtCore/private/../../../../../../git/src/corelib/global/qnumeric_p.h:56,
> >> > >                  from ../include/QtCore/5.9.2/QtCore/private/qnumeric_p.h:1,
> >> > >                  from /OE/master/build/tmp-glibc/work/x86_64-nativesdk-oe-linux/nativesdk-qtbase/5.9.2+gitAUTOINC+73573fce29-r0/git/src/corelib/tools/qarraydata.cpp:42:
> >> > > ../include/QtCore/5.9.2/QtCore/private/../../../../../../git/src/corelib/global/qnumeric_p.h:104:20: note:   'qnumeric_std_wrapper::__builtin_isnan'
> >> > >  static inline bool isnan(double d) { return std::isnan(d); }
> >> > >                     ^
> >> > > ../include/QtCore/5.9.2/QtCore/private/../../../../../../git/src/corelib/global/qnumeric_p.h: At global scope:
> >> > > ../include/QtCore/5.9.2/QtCore/private/../../../../../../git/src/corelib/global/qnumeric_p.h:105:20: error: expected ')' before '(' token
> >> > >  static inline bool isinf(double d) { return std::isinf(d); }
> >> > >                     ^
> >> > > In file included from ../include/QtCore/5.9.2/QtCore/private/qnumeric_p.h:1:0,
> >> > >                  from /OE/master/build/tmp-glibc/work/x86_64-nativesdk-oe-linux/nativesdk-qtbase/5.9.2+gitAUTOINC+73573fce29-r0/git/src/corelib/tools/qarraydata.cpp:42:
> >> > > ../include/QtCore/5.9.2/QtCore/private/../../../../../../git/src/corelib/global/qnumeric_p.h: In function 'bool qnumeric_std_wrapper::__builtin_isfinite(double)':
> >> > > ../include/QtCore/5.9.2/QtCore/private/../../../../../../git/src/corelib/global/qnumeric_p.h:106:48: error: '__builtin_isfinite' is not a member of 'std'
> >> > >  static inline bool isfinite(double d) { return std::isfinite(d); }
> >> > >                                                 ^~~
> >> > > ../include/QtCore/5.9.2/QtCore/private/../../../../../../git/src/corelib/global/qnumeric_p.h:106:48: note: suggested alternatives:
> >> > > <built-in>: note:   '__builtin_isfinite'
> >> > > --
> >> > > _______________________________________________
> >> > > Openembedded-devel mailing list
> >> > > Openembedded-devel@lists.openembedded.org
> >> > > http://lists.openembedded.org/mailman/listinfo/openembedded-devel
> >>
> 