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Re: PATCH RFA: Remove prev-DIR/Makefile to force reconfigure

From: Paolo Bonzini <paolo dot bonzini at lu dot unisi dot ch>
To: Ian Lance Taylor <iant at google dot com>, GCC Patches <gcc-patches at gcc dot gnu dot org>
Date: Wed, 13 Dec 2006 19:50:59 +0100
Subject: Re: PATCH RFA: Remove prev-DIR/Makefile to force reconfigure
References: <m3tzzzlmjr.fsf@localhost.localdomain>

Ian Lance Taylor wrote:

There is code in the top level configure.in file to force
subdirectories to be reconfigured by removing DIR/Makefile.  That code
handles stage*-DIR.  However, if you have completed a bootstrap, the
directories will be named stage1-DIR and prev-DIR.  In order to
properly force a reconfigure, prev-DIR/Makefile needs to be removed
also.

This patch does that.  Tested by running configure.  OK for mainline?
I will commit to src after approved for gcc.

It makes a lot of sense to me at least.

Paolo

References:
- PATCH RFA: Remove prev-DIR/Makefile to force reconfigure
  - From: Ian Lance Taylor

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