On Fri, Sep 21, 2018 at 04:37:08PM -0400, Ed Maste wrote:
> On 21 September 2018 at 15:31, Mark Johnston <ma...@freebsd.org> wrote:
> >
> > Perhaps the following? It's not quite right since it'll still use
> > -zifunc-noplt with an external LLVM toolchain, but I can't seem to
> > figure out how to define a linker feature for only non-cross toolchains.
> > In any case, we're going to upstream the option soon.
>
> I wouldn't worry too much about out-of-tree since it will be upstream
> soon as you say, otherwise looks good.
>
> > +.if ${MACHINE_CPUARCH} == "amd64" || ${MACHINE_CPUARCH} == "i386"
> > +.if defined(LINKER_FEATURES) && ${LINKER_FEATURES:Mifunc} == ""
> > .error amd64/i386 kernel requires linker ifunc support
> > .endif
> > +.if defined(LINKER_FEATURES) && ${LINKER_FEATURES:Mifunc-noplt} != ""
>
> Maybe roll && defined(LINKER_FEATURES) into the outer .if?
https://reviews.freebsd.org/D17279 for anyone else that would like to
review.
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