Re: conflicting libstdc++?

[Joerg Sonnenberger <joerg%britannica.bec.de@localhost>]

On Sun, Mar 08, 2015 at 09:14:18PM +0100, Tobias Nygren wrote:
> On Sun, 8 Mar 2015 20:52:30 +0000
> Niclas Rosenvik <nros%NetBSD.org@localhost> wrote:
> 
> > I tried to build devel/cppcheck on NetBSD 6 and it fails due to that
> > gcc 4.5 is missing c++ nullptr. gcc 4.6 and above is needed for this.
> > Well I add GCC_REQD+=4.6 to Makefile and then it builds. But at the end
> > ld mentions that libstdc++.so.6 might conflict with libstdc++.so.7 that
> > is needed by tinyxml2.so.2 . Is there any way to fix this? 
> > Or can it just be ignored?
> 
> It is a hairy topic. In this particular instance I would prefer to fix
> the build with the old compiler. As long at it is just missing nullptr
> and has no other problems, try this:
> 
> .include "../../mk/compiler.mk"
> .if !empty(CC_VERSION:Mgcc-4.[05]*)
> CXXFLAGS+=	-Dnullptr=0
> .endif

Depending on how nullptr is used, that's just broken. Consider passing
it to variadic functions.

Joerg