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Re: Updating top-level autoconf to 2.59
- From: Alexandre Oliva <aoliva at redhat dot com>
- To: Paul Brook <paul at codesourcery dot com>
- Cc: binutils at sourceware dot org, Michael Eager <eager at eagercon dot com>, Ian Lance Taylor <iant at google dot com>, "Joseph S. Myers" <joseph at codesourcery dot com>, Daniel Jacobowitz <drow at false dot org>, Paolo Bonzini <paolo dot bonzini at lu dot unisi dot ch>, gcc-patches at gcc dot gnu dot org, newlib at sourceware dot org
- Date: Fri, 09 Feb 2007 03:20:20 -0200
- Subject: Re: Updating top-level autoconf to 2.59
- References: <20070111225346.GA1335@nevyn.them.org> <m37iuslmod.fsf@localhost.localdomain> <45CB5453.3080109@eagercon.com> <200702081710.22525.paul@codesourcery.com>
On Feb 8, 2007, Paul Brook <paul@codesourcery.com> wrote:
> Instead of just saying what you want, you have to reverse-engineer
> the autoconf guessing logic.
As with any form of communication, it takes some background knowledge
to be able to express oneself. For example, if you don't know C
aliasing rules and violate them, you're up for surprises when the
compiler optimizes guessing you know about them. This is really no
different. And you don't have to reverse-engineer anything, the rules
are documented in both cases.
--
Alexandre Oliva http://www.lsd.ic.unicamp.br/~oliva/
FSF Latin America Board Member http://www.fsfla.org/
Red Hat Compiler Engineer aoliva@{redhat.com, gcc.gnu.org}
Free Software Evangelist oliva@{lsd.ic.unicamp.br, gnu.org}