[PATCH v2] x86_64/gcc: Add gcc patch for LIB_SPEC (rtems.h in gcc)

[Amaan Cheval]

On Fri, May 4, 2018 at 7:54 AM Joel Sherrill <joel at rtems.org> wrote:

> I am now confused. Do I need to get a patch into GCC?

Hey!

Sorry about the confusion. Technically the answer is yes, but it's
unrelated to _this_ patch.

To clear things up:

- [DONE] You already committed a previous patch for GCC for -qrtems,
-qnolinkcmds, etc.

https://gcc.gnu.org/git/?p=gcc.git;a=commitdiff;h=602fa1e9d3ea5e87d4d6e17e3e91fc2647e42da3

- [DONE] This email thread backports the above patch to
rtems-source-builder so that we can use it in GCC 7.3. Chris accepted this
patch into rtems-source-builder here

https://git.rtems.org/rtems-source-builder/commit/?id=defa958301215995b0fa41d8e65cb23c9a28a847

- [PENDING - Joel] I recently made a GCC patch to have GCC build crti.o and
crtn.o for the x86-64 RTEMS tools, so we can have symbols like "_fini"
added automatically through our bsp_specs file, the way we do for other
architectures. As Sebastian mentioned in an email to you and me, I believe
he'd prefer if you reviewed the patch here:
   https://gcc.gnu.org/ml/gcc-patches/2018-05/msg00126.html

- [PENDING - Amaan, and later Chris] Once the crti.o patch above is merged
into GCC, I'll make a corresponding backport patch to rtems-source-builder
to make that available to GCC 7.3 as well, and then Chris can review +
merge that in after.

Hope that clears things up!

> On Thu, May 3, 2018, 8:38 PM Chris Johns <chrisj at rtems.org> wrote:

>> On 07/04/2018 08:35, Amaan Cheval wrote:
>> > Adds -qnolinkcmds, -qrtems, and defaults to pass to linker, for
>> > gcc targeting x86_64.

>> Pushed, thank you.

>> Chris
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