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From: David Bremner <david@tethera.net>
To: Tomi Ollila <tomi.ollila@iki.fi>, notmuch@notmuchmail.org
Cc: tomi.ollila@iki.fi
Subject: Re: [RFC PATCH] rfc: make 'make distclean' always use current
 Makefile.config
In-Reply-To: <20170106193254.12309-1-tomi.ollila@iki.fi>
References: <20170106193254.12309-1-tomi.ollila@iki.fi>
Date: Sat, 07 Jan 2017 22:27:01 -0400
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Tomi Ollila <tomi.ollila@iki.fi> writes:

I like the idea here; it's an annoying wait. Could we do something
similar for make clean?

> ... and not recreate it (slowly) if 'configure' changed, just to
> be deleteted later during 'make distclean'.
spellink

> +# In case of 'make distclean' have configure as order-only prerequisite so
> +# that Makefile.config is not recreated when configure is newer than it is.
> +ifeq ($(MAKECMDGOALS),distclean)

Two comments

- do we want to check for exactly distclean, or distclean one of the
  goals?

- it turns out that specifying e.g. "make distclean all" is currently
  broken (before your patch)