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Re: differences in generated ldscripts for native and cross builds

From: Thomas Schwinge <thomas at codesourcery dot com>
To: Joseph Myers <joseph at codesourcery dot com>, "H.J. Lu" <hjl dot tools at gmail dot com>
Cc: Alan Modra <amodra at gmail dot com>, Matthias Klose <doko at debian dot org>, binutils <binutils at sourceware dot org>
Date: Tue, 13 Oct 2015 13:17:50 +0200
Subject: Re: differences in generated ldscripts for native and cross builds
Authentication-results: sourceware.org; auth=none
References: <5617620A dot 1000207 at debian dot org> <20151009121555 dot GD4434 at bubble dot grove dot modra dot org> <20151011185623 dot GB5535 at vapier dot lan> <CAMe9rOpun+eOzmE=6xMdiGRaZtT-DzAjKy8gEnKwOqw1__Rrug at mail dot gmail dot com> <alpine dot DEB dot 2 dot 10 dot 1510121659430 dot 6267 at digraph dot polyomino dot org dot uk>

Hi!

On Mon, 12 Oct 2015 17:04:21 +0000, Joseph Myers <joseph@codesourcery.com> wrote:
> On Sun, 11 Oct 2015, H.J. Lu wrote:
> 
> > >> Try adding --enable-initfini-array to the cross configuration.  The
> > >> autoconf test for this option uses AC_RUN_IFELSE so only works on
> > >> native builds.
> > >
> > > can't we make this smarter ?  this feature has been around for quite
> > > a long time now.  seems crazy that the default is to disable these
> > > when cross-compiling.
> > 
> > Yes, the default should be ON for Linux targets.
> 
> Thomas, I think you had plans to work on that at some point....

Yes, in 2012-07...  :-| Unfortunately, that never happened, and is very
unlikely to be happening anytime soon.

> As I said in <https://gcc.gnu.org/ml/gcc-patches/2013-11/msg00619.html> I 
> think it should be on by default for ELF targets, not limited to GNU/Linux 
> or GNU targets.

Yes, per my notes,
<http://news.gmane.org/find-root.php?message_id=%3C20120118232441.GO18768%40tyan-ft48-01.lab.bos.redhat.com%3E>
and
<http://news.gmane.org/find-root.php?message_id=%3CPine.LNX.4.64.1311061831350.13465%40digraph.polyomino.org.uk%3E>
were two relevant discussion threads.

GrÃÃe,
 Thomas

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References:
- differences in generated ldscripts for native and cross builds
  - From: Matthias Klose
- Re: differences in generated ldscripts for native and cross builds
  - From: Alan Modra
- Re: differences in generated ldscripts for native and cross builds
  - From: Mike Frysinger
- Re: differences in generated ldscripts for native and cross builds
  - From: H.J. Lu
- Re: differences in generated ldscripts for native and cross builds
  - From: Joseph Myers

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