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Re: Per-machine additions to CFLAGS-rtld.c being overridden.

From: Roland McGrath <roland at hack dot frob dot com>
To: "Joseph S. Myers" <joseph at codesourcery dot com>
Cc: Carlos O'Donell <codonell at redhat dot com>, Siddhesh Poyarekar<siddhesh at redhat dot com>, GNU C Library <libc-alpha at sourceware dot org>, Guy Martin<gmsoft at tuxicoman dot be>
Date: Wed, 9 Jan 2013 20:46:45 -0800 (PST)
Subject: Re: Per-machine additions to CFLAGS-rtld.c being overridden.
References: <50EC4D90.1030708@redhat.com><20130110020316.8E6982C0D3@topped-with-meat.com><Pine.LNX.4.64.1301100219520.29477@digraph.polyomino.org.uk>

> Since there could be multiple sysdeps makefiles trying to add options for 
> the same file, I think it would *also* be appropriate with this pattern 
> for the sysdeps makefiles to use += rather than plain = when setting 
> sysdep-CFLAGS-foo.c unless deliberately overriding a setting in another 
> file.

Yes, certainly.

References:
- Per-machine additions to CFLAGS-rtld.c being overridden.
  - From: Carlos O'Donell
- Re: Per-machine additions to CFLAGS-rtld.c being overridden.
  - From: Roland McGrath
- Re: Per-machine additions to CFLAGS-rtld.c being overridden.
  - From: Joseph S. Myers

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