On Fri, Dec 21, 2012 at 5:14 AM, Richard Biener <rguenther@suse.de> wrote:
>
> After the Ada fix including gmp.h from system.h is trivial
> (by means of double-int.h it was included from almost everywhere
> already)
>
> Bootstrapped on x86_64-unknown-linux-gnu, testing in progress.
>
> Ok for trunk?  (Go frontend "unfixed")
>
> Thanks,
> Richard.
>
> 2012-12-21  Richard Biener  <rguenther@suse.de>
>
>         PR bootstrap/54659
>         * system.h: Include gmp.h.
>         * tree-ssa-loop-niter.c: Do not include gmp.h here.
>         * double-int.h: Likewise.
>         * realmpfr.h: Likewise.
>
>         fortran/
>         * gfortran.h: Do not include gmp.h here.
>

This breaks bootstrap with in-tree gmp since system.h is included for
host feature test by gcc/configure.  Before gmp is built, gmp.h isn't
available.  We need to build gmp first before configuring gcc.

Balaji, can you try this patch?


-- 
H.J.
--
2013-01-08  H.J. Lu  <hongjiu.lu@intel.com>

	* Makefile.def (configure-gcc): Depend on all-gmp.
	(all-gcc): Remove dependency on all-gmp.
	* Makefile.in: Regenerated.