svn commit: r483763 - head/graphics/osg

[Jan Beich]

Mark Linimon <linimon at FreeBSD.org> writes:

> +CXXFLAGS_mips=	-Wno-narrowing
> +CXXFLAGS_mips64=	-Wno-narrowing
> +CXXFLAGS_powerpc64=	-Wno-narrowing
> +CXXFLAGS_powerpc=	-Wno-narrowing
> +CXXFLAGS_powerpcspe=	-Wno-narrowing
> +CXXFLAGS_sparc64=	-Wno-narrowing

-Wno-narrowing is supported by Clang. Maybe make unconditional but add a
comment why it's necessary.