[PATCH 1/4] config: Sync with GCC

[Nick Clifton]

Hi Simon,

> config/ChangeLog:
> 
> 	Sync with GCC
> 	2018-06-08  Martin Liska  <mliska@suse.cz>
> 
> 	* bootstrap-mpx.mk: Remove.
> 
> 	2018-05-10  Martin Liska  <mliska@suse.cz>
> 
> 	PR bootstrap/64914
> 	* bootstrap-ubsan.mk: Define UBSAN_BOOTSTRAP.
> 
> 	2018-05-09  Joshua Watt <jpewhacker@gmail.com>
> 
>         * ax_pthread.m4: Add file.
> 
> 	2018-05-08  Richard Biener  <rguenther@suse.de>
> 
> 	PR bootstrap/85571
> 	* bootstrap-lto-noplugin.mk: Disable compare.
> 	* bootstrap-lto.mk: Supply contrib/compare-lto for do-compare.
> 
> 	2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
> 
> 	PR bootstrap/85490
> 	* bootstrap-cet.mk (STAGE4_CFLAGS): New.
> 
> 	2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
> 
> 	PR target/85485
> 	* bootstrap-cet.mk (STAGE2_CFLAGS): Remove -mcet.
> 	(STAGE3_CFLAGS): Likewise.
> 
> 	2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
> 
> 	PR target/85485
> 	* cet.m4 (GCC_CET_FLAGS): Replace -mcet with -mshstk.
> 
> 	2018-04-19  Jakub Jelinek  <jakub@redhat.com>
> 
> 	* cet.m4 (GCC_CET_FLAGS): Default to --disable-cet, replace
> 	--enable-cet=default with --enable-cet=auto.
> 
> 	2018-04-18  David Malcolm  <dmalcolm@redhat.com>
> 
> 	PR jit/85384
> 	* acx.m4 (GCC_BASE_VER): Remove \$\$ from sed expression.
 
Approved - please apply.

Cheers
  Nick