Fix Makefile.in in data-directory

[Doug Evans]

On Wed, Oct 20, 2010 at 7:15 PM, Jie Zhang <jie@codesourcery.com> wrote:
> I don't think it's really necessary to fix that. binutils and gcc also don't
> allow "make -j4 install" to directly after "configure". "make -j4 all
> install" also fails for binutils and gcc. I think it's already an convention
> that those software are built with
>
> ./configure
> make
> make install
>
> Do we really need the effort to fix GDB?

fwiw, I think the answer is yes.

Note that we don't need to consider ./configure ; make -j4 install.

The issue arises with a simple "$EDITOR foo.c ; make -j4 install".