Re: [PATCH v2 02/18] make: add -fPIE flag

From: Ezekiel Newren <ezekielnewren@gmail.com>
Date: Sep 19, 2025, 21:52 UTC
Message-ID: <CAH=ZcbDvwbCdnpeNv6vp=+Zy1h8RpG125ZCQNUzNOc5qLi8gNg@mail.gmail.com>
In-Reply-To: <xmqq5xde435i.fsf@gitster.g>

On Fri, Sep 19, 2025 at 2:07 PM Junio C Hamano <gitster@pobox.com> wrote:

Show 13 quoted lines

>
> Ezekiel Newren <ezekielnewren@gmail.com> writes:
>
> > I was trying to get the rust compiler to link against libgit.a. Both
> > Meson and Makefile produce libgit.a. No changes were to meson.build
> > were necessary for that to work, but but with Makefile I would get
> > errors like:
> > relocation R_X86_64_32 against `.rodata' can not be used when making a
> > PIE object; recompile with -fPIE
>
> This sounds like a workaround that is somewhat platform and compiler
> specific limitation, at least to me.  Does this need to be conditional
> and if so on what?

I don't know, but I have another question to add to yours. Why does Make need -fPIE in order for the Rust compiler to link against libgit.a created by Make, when Meson doesn't seem to specify PIE anywhere and yet the Rust compiler can work with Meson's libgit.a output?