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Date: Thu, 11 Aug 2011 14:42:00 -0000
From: Paolo Bonzini <bonzini@gnu.org>
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To: "Joseph S. Myers" <joseph@codesourcery.com>
CC: Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>,  Pedro Alves <pedro@codesourcery.com>, gcc-patches@gcc.gnu.org, Ralf Wildenhues <Ralf.Wildenhues@gmx.de>,  Ian Lance Taylor <iant@google.com>, Steve Ellcey <sje@cup.hp.com>,  Richard Earnshaw <richard.earnshaw@arm.com>, Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>,  Nick Clifton <nickc@redhat.com>, Douglas Rupp <rupp@gnat.com>, Tristan Gingold <gingold@adacore.com>,  Mike Stump <mikestump@comcast.net>, Kaz Kojima <kkojima@gcc.gnu.org>, David Edelsohn <dje.gcc@gmail.com>,  Sterling Augustine <augustine.sterling@gmail.com>, Arnaud Charlet <charlet@adacore.com>, java-patches@gcc.gnu.org,  Nicola Pero <nicola.pero@meta-innovation.com>, libstdc++@gcc.gnu.org, Richard Sandiford <rdsandiford@googlemail.com>
Subject: Re: [build] Move unwinder to toplevel libgcc (v2)
References: <ydd1ux2oc1u.fsf@manam.CeBiTec.Uni-Bielefeld.DE> <4E42AACB.2080802@gnu.org> <yddfwl9l0az.fsf@manam.CeBiTec.Uni-Bielefeld.DE> <201108101750.43530.pedro@codesourcery.com> <4E43C318.4050401@gnu.org> <ydd7h6kkva3.fsf@manam.CeBiTec.Uni-Bielefeld.DE> <Pine.LNX.4.64.1108111423510.15713@digraph.polyomino.org.uk>
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On 08/11/2011 04:25 PM, Joseph S. Myers wrote:
> >  The actual problem are not the runtime libraries, which already know to
> >  search $builddir/.../libgcc for unwind.h and related files.  The
> >  copyback is only for the benefit of the testsuite (gcc.target, g++.dg,
> >  gnat.dg, and gcc.dg) where I was too lazy to deal with changing (or even
> >  setting ) the include paths, but took the easy way out since gcc/include
> >  is in the include path by default.
>
> unwind.h is an installed header.  Are you sure nothing outside of GCC uses
> it?

Why does it matter?  It is still installed in trunk, and you could also 
move the installation to libgcc's Makefiles if it weren't copied anymore 
to $builddir/gcc/include.

Paolo