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Re: libvpx and gcc 4.4 dependency
On Fri, Sep 05, 2014 at 11:51:32AM +0100, Patrick Welche wrote:
> On Fri, Sep 05, 2014 at 11:29:50AM +0100, Jonathan Perkin wrote:
> > It is expected:
> > - libvpx sets USE_LANGUAGES= c c++, which means that
> > mk/compiler/gcc.mk sets _USE_GCC_SHLIB due to requiring C++
> > support.
> > - lang/gcc47/buildlink.mk adds a full dependency if _USE_GCC_SHLIB is
> > set.
> > Whether this is correct, I'm not sure - if libvpx really does use C++
> > but doesn't have any dependency on the runtime libraries then there's
> > room for some optimisation on NetBSD at least (other platforms
> > explicitly require _USE_GCC_SHLIB regardless).
> Thank you for the explanation! It looks as though libvpx's tests are
> written in C++, and as we configure with --disable-unit-tests, I will
> see if we can get away without the c++...
Sure enough, without the c++, I get a successful build without a dependency
on gcc47 - only
no more pkgdep.
It seems that removing c++ from USE_LANGUAGES is correct. OK to commit?
(then begs the question for clang users if the CXXFLAGS are ncessary)
Next is to see how far back gcc removes its gcc_s dependency - given that
NetBSD 6 has gcc 4.5. (So far, 4.7 good, 4.4 bad) - or do you already know
the answer to that Richard?
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