> From: Philip Guenther <[email protected]>
> Date: Tue, 5 Feb 2019 18:40:09 -0800
>
> On Tue, Feb 5, 2019 at 12:59 PM Mark Kettenis <[email protected]>
> wrote:
>
> The architecture already has big PIE. The issue is that clang doesn't
> support secure-plt for small pic. I haven't entirely figured out
> what's going on here and we probably need some further fixes to clang
> here. On the other hand I think it is probably time to recognize
> there is more and more bloat in the world.
>
> Thoughts?
>
> libexec/ld.so/powerpc/Makefile.inc needs updating to match, no?
> ---
> CFLAGS += -fpic -msoft-float
> ---
Ultimately, yes. But my immediate goal is to make it possible to
build libc++abi and libc++.
> Also, does clang support secure-plt for small pie? If not, then
> lib/csu/Makefile needs updating too:
> ---
> # Override powerpc default of -fPIE
> # XXX if this is safe, why not override CFLAGS for alpha and sparc64 too?
> # Does it work because the csu bits come first and get the first few GOT
> # entries?
> .if ${MACHINE_ARCH} == "powerpc"
> CFLAGS+= -fpie
> .endif
I still need to investigate this a bit further. But fi there are no
downsides removing this bit, we probably should at some point.
