Re: why relink on successive "make install"?

[Kurt Roeckx]

On Tue, Dec 15, 2009 at 02:52:39PM -0600, Bob Friesenhahn wrote:
> On Tue, 15 Dec 2009, Tom Vaughan wrote:
> 
> >I have a pretty vanilla shared library on the latest Ubuntu Karmic
> >Koala that is built with autoconf, automake, and libtool. I've noticed
> >that if I "make install" I always see "libtool: install: warning:
> >relinking `librestest.la'" even when I know nothing has changed. Why?
> 
> One purpose for re-linking is to make sure that the installed
> library depends on installed libraries of the correct version rather
> than some library in a build tree, or an older version of an
> installed library. Another purpose can be to formally register the
> library with the system so that it will be used.

An other reason for relinking is that it might have set up an
rpath before to be able to link to an other non-installed library
which it's needed now anymore.


Kurt