From: Bart Oldeman <bartoldeman@users.sourceforge.net>
To: linux-msdos@vger.kernel.org
Subject: Re: dosemu 1.1.5.7 (was Re: dosemu 1.1.5.6)
Date: Sat, 23 Aug 2003 23:17:14 +0100 (BST) [thread overview]
Message-ID: <Pine.LNX.4.44.0308232306560.4390-100000@enm-bo-lt.localdomain> (raw)
In-Reply-To: <20030823215903.GO6464@dbz.icequake.net>
On Sat, 23 Aug 2003, Ryan Underwood wrote:
> On Sat, Aug 23, 2003 at 08:47:33PM +0100, Bart Oldeman wrote:
> > On Sat, 23 Aug 2003, Ryan Underwood wrote:
> >
> > > The problem is that when debian/rules install target calls the install
> > > target for DOSEMU, MAKELEVEL is 1, not zero, so abs_top_builddir is not
> > > set, and Makefile.main's install target tries to rm -rf /tmp (!).
> >
> > Looks like Debian fixed that:
> > http://cvs.debian.org/debian-installer/build/Makefile
> > http://cvs.debian.org/debian-installer/build/Makefile.diff?r1=1.154&r2=1.155
>
> Well, that particular patch looks like it is for the debian-installer
> package which is not related to DOSEMU. However, I can use the same
> trick in my build script. I'm mainly curious why this only started
> happening in 1.1.5.7 -- I built 1.1.5.6 and previous with no
> modifications or extra pain needed.
well the trick avoids using $(shell ... pwd) in Makefiles for each
recursive invocation of "make". $(shell) is fairly expensive; by reducing
the number of it to exactly one (instead of ~100 in 1.1.5.6) it was
possible to reduce the time to "make" a (nearly) built tree
significantly, on one PC by about 10 seconds from 15 to less than 5; and
Clarence Dang has seen even greater differences.
For a user who compiles her/himself this doesn't matter that much but for
a developer who often makes a small change and then recompiles it saves a
lot of waiting.
Bart
next prev parent reply other threads:[~2003-08-23 22:17 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-07-20 16:33 dosemu 1.1.5.6 Bart Oldeman
2003-07-21 5:13 ` Grigory Batalov
2003-07-25 18:15 ` Eemeli Kantola
2003-08-22 23:10 ` dosemu 1.1.5.7 (was Re: dosemu 1.1.5.6) Bart Oldeman
2003-08-23 7:21 ` Eemeli Kantola
2003-08-23 17:58 ` Ryan Underwood
2003-08-23 19:47 ` Bart Oldeman
2003-08-23 21:59 ` Ryan Underwood
2003-08-23 22:17 ` Bart Oldeman [this message]
2003-08-23 22:36 ` Ryan Underwood
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