[PATCH 1/n] OpenMP 4.0 offloading infrastructure

[Jakub Jelinek]

On Fri, Sep 26, 2014 at 04:36:21PM +0400, Ilya Verbin wrote:
> 2014-09-26  Bernd Schmidt  <bernds@codesourcery.com>
> 	    Thomas Schwinge  <thomas@codesourcery.com>
> 	    Ilya Verbin  <ilya.verbin@intel.com>
> 	    Andrey Turetskiy  <andrey.turetskiy@intel.com>
> 
> 	* configure: Regenerate.
> 	* configure.ac (--enable-as-accelerator-for)
> 	(--enable-offload-targets): New configure options.
> gcc/
> 	* Makefile.in (real_target_noncanonical, accel_dir_suffix)
> 	(enable_as_accelerator): New variables substituted by configure.
> 	(libsubdir, libexecsubdir, unlibsubdir): Tweak for the possibility of
> 	being configured as an offload compiler.
> 	(DRIVER_DEFINES): Pass new defines DEFAULT_REAL_TARGET_MACHINE and
> 	ACCEL_DIR_SUFFIX.
> 	(install-cpp, install-common, install_driver, install-gcc-ar): Do not
> 	install for the offload compiler.
> 	* config.in: Regenerate.
> 	* configure: Regenerate.
> 	* configure.ac (real_target_noncanonical, accel_dir_suffix)
> 	(enable_as_accelerator, enable_offload_targets): Compute new variables.
> 	(--enable-as-accelerator-for, --enable-offload-targets): New options.
> 	(ACCEL_COMPILER): Define if the compiler is built as the accel compiler.
> 	(OFFLOAD_TARGETS): List of target names suitable for offloading.
> 	(ENABLE_OFFLOADING): Define if list of offload targets is not empty.
> gcc/cp/
> 	* Make-lang.in (c++.install-common): Do not install for the offload
> 	compiler.
> gcc/fortran/
> 	* Make-lang.in (fortran.install-common): Do not install for the offload
> 	compiler.
> libgcc/
> 	* Makefile.in (crtompbegin$(objext), crtompend$(objext)): New rule.
> 	* configure: Regenerate.
> 	* configure.ac (--enable-as-accelerator-for)
> 	(--enable-offload-targets): New configure options.
> 	(extra_parts): Add crtompbegin.o and crtompend.o if
> 	enable_offload_targets is not empty.
> 	* ompstuff.c: New file.
> libgomp/
> 	* config.h.in: Regenerate.
> 	* configure: Regenerate.
> 	* configure.ac: Check for libdl, required for plugin support.
> 	(PLUGIN_SUPPORT): Define if plugins are supported.
> 	(--enable-offload-targets): New configure option.
> 	(enable_offload_targets): Support Intel MIC targets.
> 	(OFFLOAD_TARGETS): List of target names suitable for offloading.
> lto-plugin/
> 	* Makefile.am (libexecsubdir): Tweak for the possibility of being
> 	configured for offload compiler.
> 	(accel_dir_suffix): New variable substituted by configure.
> 	* Makefile.in: Regenerate.
> 	* configure: Regenerate.
> 	* configure.ac (--enable-as-accelerator-for): New option.

If you add the documentation Joseph requested, looks good to me
(once the rest is reviewed too).

	Jakub