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Re: Changing installation dir after building gcc

From: Jim Wilson <wilson at specifixinc dot com>
To: Antti Kerola <Antti dot Kerola at uta dot fi>
Cc: gcc at gcc dot gnu dot org
Date: Wed, 12 Nov 2003 17:26:23 -0800
Subject: Re: Changing installation dir after building gcc
References: <Pine.GSO.4.58.0311121520060.10948@kielo.uta.fi>

Antti Kerola wrote:

Is it safe, for example, to copy the whole installation
directory (eg. /usr/local/) to directory /usr/mygcc on
another computer?

This is supposed to work, but is probably rarely tested. The gcc driver calls make_relative_prefix to compute a relative path between the two, and then you get the same effect as if you had set GCC_EXEC_PREFIX to point at the new location.

This only works if there is at least one common directory between the two different full pathnames. -- Jim Wilson, GNU Tools Support, http://www.SpecifixInc.com

Follow-Ups:
- Re: Changing installation dir after building gcc
  - From: Andrew Pinski
- Re: Changing installation dir after building gcc
  - From: Daniel Jacobowitz

References:
- Changing installation dir after building gcc
  - From: Antti Kerola

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