Re: [Discuss-gnuradio] autoconf tricks (Was:...Building usrp module and firmware

[Prateek Dayal]

Hi,

is there a difference between make clean and make distclean ???

Regards,

Prateek 


On Tue, 9 Nov 2004 19:39:45 +1030, Berndt Josef Wulf <address@hidden> wrote:
> On Tuesday 09 November 2004 09:59, Tom Huppi wrote:
> > Hi All,
> >
> [...]
> > Knowing this, it is handy to simply edit the config.status script
> > and re-execute it (as opposed to editing the Makefiles.)
> > Obviously, this is a testing only technique, but it saves the
> > hasssle of re-running the configure script, and also tells you
> > what you want the configure script to find, or at least it tells
> > that if the configure script were to find -I/path/to/foo on your
> > system, the build wouldn't fail.
> 
> Good to know, thanks your enlightment.
> 
> 
> 
> > Going further, Eric is unhappily correct that writing a new M4
> > macro or finding an existing one which does the right thing is the
> > correct course of action.  When hacking the configure.in, don't
> > forget to trash the config.cache file regularly, and do note that
> > the aclocal.m4 can become a consideration when adding or changing
> > macros.
> >
> > Conceptually, fooling with the configure system is (or should be)
> > a small-ish part of the development process.  For this reason,
> > autoconf optimizes certain things at the expense of others.  In
> > the case of config.cache, the speed of execution is thought more
> > important than the ease of config system maintanance, thus, the
> > hassle of remembering to remove it or worse, trying to understand
> > when it's removal is necessary.  I've seen it burn and turn off a
> > lot of developers which is a shame.  That's my take on things at
> > least.
> 
> "make distclean" will take care of this. All I do is run "make distclean",
> "bootstrap", "configure" after modifying any of the fundamental autoconf
> files.
> 
> cheerio Berndt
> 
> 
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> 
> 
> 


-- 
Prateek Dayal
B.Tech 4th Year
ECE
IIT Guwahati

www.geocities.com/pmd_iitgw