Re: [PATCH] meson: remove -no-pie linker flag

[Richard Henderson <richard.henderson@linaro.org>]

On 5/23/23 01:18, Daniel P. Berrangé wrote:
> On Tue, May 23, 2023 at 10:02:51AM +0200, Paolo Bonzini wrote:
>> On Tue, May 23, 2023 at 10:00 AM Daniel P. Berrangé <berrange@redhat.com> wrote:
>>> I'm curious why we need to do anything ?  I would have thought that meson
>>> should handle 'b_pie' itself, passing the right args to $CC that it feels
>>> are appropriate. I don't recall seeing other apps using meson trying to
>>> handle b_pie logic - what's special about QEMU ? IOW, is it possible to
>>> delete this entire b_pie condition and thus avoid worrying about this
>>> problem ?
>>
>> The issue is that Meson only has "enable PIE" or "leave PIE to the
>> compiler default", while QEMU also has "disable PIE"---which is the
>> messy one.
> 
> Does QEMU actually need "disable PIE" ? It existed in configure of
> course, is there a reason we need to continue to support it in meson ?

We need it for aarch64 runner, because the OS built glibc static libraries with -fpie 
instead of -fPIE, and we get a relocation overflow at link time.

Upstream glibc has been fixed, but there has been no update to ubuntu packages.


r~