linux-kernel - Re: trace-cmd: make Makefile rpm-friendly

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Date:	Mon, 19 Apr 2010 22:06:23 +0200 (CEST)
From:	John Kacur <jkacur@...hat.com>
To:	Steven Rostedt <rostedt@...dmis.org>
cc:	Randy Dunlap <randy.dunlap@...cle.com>,
	lkml <linux-kernel@...r.kernel.org>
Subject: Re: trace-cmd: make Makefile rpm-friendly



On Mon, 19 Apr 2010, Steven Rostedt wrote:

> On Mon, 2010-04-19 at 20:11 +0200, John Kacur wrote:
> > 
> > On Mon, 19 Apr 2010, Randy Dunlap wrote:
> > 
> > > From: Randy Dunlap <randy.dunlap@...cle.com>
> > > 
> > > Update Makefile to support rpmbuild DESTDIR usage.
> > 
> > So, what would happen if you did
> > make DESTDIR=/usr/local install ?
> > 
> > I think you would get /usr/local/usr/local
> > So, I think I would NAK this patch.
> > 
> > I also don't believe there is anything magical about DESTDIR in a spec 
> > file. Essentially, prefix in this makefile is equivalent to DESTDIR, so 
> > you can replace DESTDIR with prefix in a spec template.
> >  
> 
> NAK is too strong. I was looking at what perf does, and it basically
> makes prefix and DESTDIR the same.
> 
> ifndef DESTDIR
> prefix = $(HOME)
> endif
> 
> We could do..
> 
> ifndef DESDIR
> prefix = /usr/local/bin
> endif
> 
> and then, if DESTDIR is not set, it would do the right thing.
> 

Yeah, the above is actually an unsatisfactory workaround.
see 7ae5f21361fea11f58c398701da635f778635d13

Another solution is to not copy obfuscated Makefiles when starting new
projects!
/me runs away
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