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From: Roland McGrath <roland@hack.frob.com>
To: "Joseph S. Myers" <joseph@codesourcery.com>
Cc: libc-ports@sourceware.org
Subject: Re: Support sharing ARM headers for hard and soft float
Date: Thu, 31 May 2012 21:58:00 -0000	[thread overview]
Message-ID: <20120531215756.E44232C070@topped-with-meat.com> (raw)
In-Reply-To: Joseph S. Myers's message of  Wednesday, 30 May 2012 19:36:52 +0000 <Pine.LNX.4.64.1205301932460.8161@digraph.polyomino.org.uk>

> What I really want here is an AC_SUBSTed makefile variable, set by the 
> same configure test that puts a definition in config.h with AC_DEFINE.  
> But I think that's harder to do cleanly (completely independently for each 
> port) than sorting out the config.h issue (bug 14068); autoconf appears to 
> want to put all the AC_SUBSTed variables in one shell variable setting in 
> configure initialization, which isn't really conducive to configure 
> fragments adding their own.

Indeed.  Perhaps you could use an AC_CONFIG_COMMANDS to write an extra file
like config.arm.make manually.  I'm not sure there's any special reason to
prefer that over a makefile-generated makefile.  Either one is far better
than using $(shell ...), which nobody should ever do.


Thanks,
Roland

      reply	other threads:[~2012-05-31 21:58 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-05-30 18:58 Joseph S. Myers
2012-05-30 19:27 ` Roland McGrath
2012-05-30 19:37   ` Joseph S. Myers
2012-05-31 21:58     ` Roland McGrath [this message]

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