What causes libtool to relink?

[Tijl Coosemans]

On Sun, 22 Feb 2015 20:11:51 +0000 (UTC) Christian Weisgerber <naddy at mips.inka.de> wrote:
> I'm completely stuck on a problem report that comes down to this:
> "/bin/sh ../../libtool --mode=install" for a loadable module triggers
> libtool to attempt to relink the .la file on the reporter's system,
> which eventually fails.  I cannot reproduce this.  No such relinking
> happens here, libtool simply installs the .so file.
> 
> What causes libtool to "relink" a .la file?

When it links to another library in the work directory.  Then it needs
to be relinked so it links to the installed copy of that library.