Re: [Iverilog-devel] today's count of compiler warnings

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Steve -

On Tue, Jan 22, 2008 at 05:52:32PM -0800, Stephen Williams wrote:
> Larry Doolittle wrote:
> > config.status: WARNING:  ../verilog-0.9/Makefile.in seems to ignore the --datarootdir setting
> > config.status: WARNING:  ../verilog-0.9/driver/Makefile.in seems to ignore the --datarootdir setting
> > config.status: WARNING:  ../verilog-0.9/driver-vpi/Makefile.in seems to ignore the --datarootdir setting
> > config.status: WARNING:  ../../verilog-0.9/vvp/Makefile.in seems to ignore the --datarootdir setting
> > configure: WARNING: no configuration information is in tgt-null
> 
> I have no idea what to do with the above warnings. What is the
> datarootdir setting and why should I not ignore it?

Quoting from
  http://www.gnu.org/software/automake/manual/autoconf/Changed-Directory-Variables.html

  In Autoconf 2.60, the set of directory variables has changed, and the
  defaults of some variables have been adjusted (see Installation
  Directory Variables) to changes in the GNU Coding Standards. Notably,
  datadir, infodir, and mandir are now expressed in terms of datarootdir.
  If you are upgrading from an earlier Autoconf version, you may need to
  adjust your files to ensure that the directory variables are substituted
  correctly (see Defining Directories), and that a definition of
  datarootdir is in place. For example, in a Makefile.in, adding

      datarootdir = @datarootdir@

  is usually sufficient. If you use Automake to create Makefile.in, it will
  add this for you.

I see many other Free Software projects have recently added the newly
recommended line, see for instance
  http://www.ginac.de/pipermail/cln-list/2006-April/000187.html

Patches such as this claim to be backward-compatible.

   - Larry