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Re: PR/15448: add a compiler timestamp to PCH files (take 2)

From: Paolo Bonzini <paolo dot bonzini at lu dot unisi dot ch>
To: Paul Brook <paul at codesourcery dot com>
Cc: Mike Stump <mrs at apple dot com>, Daniel Jacobowitz <drow at false dot org>, gcc-patches at gcc dot gnu dot org, Geoff Keating <geoffk at geoffk dot org>
Date: Thu, 17 Feb 2005 14:39:18 +0100
Subject: Re: PR/15448: add a compiler timestamp to PCH files (take 2)
References: <4210C725.6050503@lu.unisi.ch> <842CA4BB-0533-4767-8AA2-A557821D1A91@apple.com> <42149B94.6080708@lu.unisi.ch> <200502171331.14553.paul@codesourcery.com>

Is the size reliable? It's quite common for binaries to be stripped during installation. The only thing I can thing of that should be unmodified is the *relative* addresses of certain key functions.

This is easily fixed by rebuilding the libstdc++ pch upon installation. It would be best to do it with any kind of compiler signature (st_size, st_mtime, ...).

Paolo

References:
- Re: [PATCH] Split simplify_unary_operation and simplify_binary_operation
  - From: Paolo Bonzini
- Re: PR/15448: add a compiler timestamp to PCH files (take 2)
  - From: Mike Stump
- Re: PR/15448: add a compiler timestamp to PCH files (take 2)
  - From: Paolo Bonzini
- Re: PR/15448: add a compiler timestamp to PCH files (take 2)
  - From: Paul Brook

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