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Re: apparent bug in the configure.in script




On Thu, 20 Sep 2001, M. R. Brown wrote:

> * Quality Quorum <qqi@world.std.com> on Thu, Sep 20, 2001:
>
> >
> >
> > On Thu, 20 Sep 2001, M. R. Brown wrote:
> >
> > > * Quality Quorum <qqi@world.std.com> on Thu, Sep 20, 2001:
> > >
> > > >
> > > > It fails on build because configure thinks that --without-headers is
> > > > an equivalent of --with-headers=no and it trying to install
> > > > sys-includes from non-existing directory `no'.
> > > >
> > >
> > > It shouldn't fail doing that, at least, it's never failed for me.
> >
> > If you already have include files (say you are rebuilding) it would
> > not fail.
> >
>
> Wrong.  If you're building a bootstrap compiler, you can specify
> --with-newlib to cause gcc to define the inhibit_libc variable and *not*
> include header files.  In this instance --without-headers is completely
> unecessary.
>
> To build a bootstrap compiler (e.g. the first pass or "chicken" of the
> chicken/egg scenario) configure --with-newlib and use the all-gcc and
> install-gcc targets of the Makefile.  e.g.
>
>    make all-gcc
>    make install-gcc
>
> You also probably want to skip building C++, f77, etc. in the bootstrap, so
> configure with --enable-languages="c".
>
> See Bill's FAQ for more examples.

BTW, Bill's scripts do include `--without-headers'

> M. R.
>
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Thanks,

Aleksey



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