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Re: [patch, build] Restore bootstrap in building libcc1 on darwin

From: FX <fxcoudert at gmail dot com>
To: Iain Sandoe <iain at codesourcery dot com>
Cc: gcc-patches <gcc-patches at gcc dot gnu dot org>, GCC Development <gcc at gcc dot gnu dot org>
Date: Thu, 4 Dec 2014 14:52:01 +0100
Subject: Re: [patch, build] Restore bootstrap in building libcc1 on darwin
Authentication-results: sourceware.org; auth=none
References: <94381BB6-563C-44EE-910E-9569410F2AB5 at gmail dot com> <C3BC6494-0362-4AFC-9F1D-E456B6D9A471 at gmail dot com> <F510F911-EA66-4CA8-A43D-92CF538E50F4 at gmail dot com> <ydd388vczh8 dot fsf at lokon dot CeBiTec dot Uni-Bielefeld dot DE> <659E2BE7-2692-4023-9BD2-CE131F8B5451 at codesourcery dot com>

> The default BOOT_CFLAGS are: -O2 -g -mdynamic-no-pic
> the libiberty pic build appends: -fno-common (and not even -fPIC) [NB -fPIC _won't_ override -mdynamic-no-pic, so that's not a simple way out]
> This means that the PIC library is being built with non-pic relocs.

config/mh-darwin says that -mdynamic-no-pic is there because it âspeeds compiles by 3-5%â. I donât think we care about speed when the bootstrap fails, so can we remove it altogether?

FX

Attachment: darwin.diff
Description: Binary data

Follow-Ups:
- Re: [patch, build] Restore bootstrap in building libcc1 on darwin
  - From: Richard Biener

References:
- Re: [patch, build] Restore bootstrap in building libcc1 on darwin
  - From: FX
- Re: [patch, build] Restore bootstrap in building libcc1 on darwin
  - From: Rainer Orth
- Re: [patch, build] Restore bootstrap in building libcc1 on darwin
  - From: Iain Sandoe

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