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: Wed, 30 May 2012 19:27:00 -0000 [thread overview]
Message-ID: <20120530192738.CDFE32C0A2@topped-with-meat.com> (raw)
In-Reply-To: Joseph S. Myers's message of Wednesday, 30 May 2012 18:58:22 +0000 <Pine.LNX.4.64.1205301856110.8161@digraph.polyomino.org.uk>
> +default-abi := $(strip $(shell \
> + ($(default-abi-prog)) | $(CC) $(CFLAGS) $(CPPFLAGS) -E -P -))
Using $(shell ...) in makefiles is pretty disgusting. The compiler
will run every time you run make. What I'd recommend instead is
generating a makefile and including it. The generated file can depend
on config.make or something like that to be sure it gets re-run when
$(CC) et al might reasonably be expected to have changed.
next prev parent reply other threads:[~2012-05-30 19:27 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 [this message]
2012-05-30 19:37 ` Joseph S. Myers
2012-05-31 21:58 ` Roland McGrath
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