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Re: [RFC] Prevent unnecessary recompilation for trivial params.def changes
- From: Andreas Schwab <schwab at suse dot de>
- To: Tom de Vries <Tom_deVries at mentor dot com>
- Cc: "gcc-patches\ at gnu dot org" <gcc-patches at gnu dot org>
- Date: Tue, 08 Sep 2015 14:03:30 +0200
- Subject: Re: [RFC] Prevent unnecessary recompilation for trivial params.def changes
- Authentication-results: sourceware.org; auth=none
- References: <55EEBC91 dot 7060901 at mentor dot com> <mvmtwr5npl1 dot fsf at hawking dot suse dot de> <55EEC58A dot 8060308 at mentor dot com>
Tom de Vries <Tom_deVries@mentor.com> writes:
> After a subsequent rebuild I don't see anything being rebuild. So I don't
> observe 'continuous rebuilding'.
What happens when you just touch params-list.h or params.def?
move-if-change will leave the target untouched when unchanged (that's
the whole point of it), so it will remain older than the dependencies.
Andreas.
--
Andreas Schwab, SUSE Labs, schwab@suse.de
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