Re: incremental make install

[Peter Johansson]

Warren Young wrote:
> Bob Rossi wrote:
> > I was wondering if there is an incremental make install command? (my 
> > make install doesn't appear to be incremental, should it be?)
>
> No, a Makefile's install target normally just contains a series of 
> commands for installing everything, without checking if it exists 
> first.    If the install target depends on anything, it's usually 
> basic top-level targets like 'all'.  There's no technology limit that 
> prevents us from making it incremental.  All you'd have to do is write 
> a rule for every file that gets installed, and make the install target 
> depend on all of them.  Tedious to do by hand, but automake is good at 
> doing such things for you.
There is an item in the not yet released Automake NEWS that I guess is 
related to this:

- install-sh supports -C, which does not update the installed file
  (and its time stamps) if the contents did not change.

http://git.savannah.gnu.org/gitweb/?p=automake.git;a=blob;f=NEWS;h=6fcc1a535b0bbab7333230d780fde8f194836131;hb=HEAD


Cheers,

--
Peter Johansson

svndigest maintainer, http://dev.thep.lu.se/svndigest
yat maintainer,       http://dev.thep.lu.se/yat