On Tue, Apr 27, 2021 at 12:22:44PM +0200, Tobias Burnus wrote:
> If configured with --enable-offload-defaulted, configured but not installed
> offload compilers and libgomp plugins are silently ignored. Useful for
> distribution compilers where those are in separate optional packages.
>
> 2021-04-27 Jakub Jelinek <ja...@redhat.com>
> Tobias Burnus <tob...@codesourcery.com>
>
> ChangeLog:
>
> * configure.ac (--enable-offload-defaulted): New.
> * configure: Regenerate.
>
> gcc/ChangeLog:
>
> * configure.ac (OFFLOAD_DEFAULTED): AC_DEFINE if offload-defaulted.
> * gcc.c (process_command): New variable.
> (driver::maybe_putenv_OFFLOAD_TARGETS): If OFFLOAD_DEFAULTED,
> set it if -foffload is defaulted.
> * lto-wrapper.c (OFFLOAD_TARGET_DEFAULT_ENV): Define.
> (compile_offload_image): If OFFLOAD_DEFAULTED and
> OFFLOAD_TARGET_DEFAULT is in the environment, don't fail
> if corresponding mkoffload can't be found.
> (compile_images_for_offload_targets): Likewise. Free and clear
> offload_names if no valid offload is found.
> * config.in: Regenerate.
> * configure: Regenerate.
>
> libgomp/ChangeLog:
>
> * configure.ac (OFFLOAD_DEFAULTED): AC_DEFINE if offload-defaulted.
> * target.c (gomp_load_plugin_for_device): If set and if a plugin
> can't be dlopened, silently assume it has no devices.
> * Makefile.in: Regenerate.
> * config.h.in: Regenerate.
> * configure: Regenerate.
>
> lto-plugin/ChangeLog:
>
> * Makefile.in: Regenerate.
> * configure: Regenerate.
>
> zlib/ChangeLog:
>
> * configure: Regenerate.
I would probably not regenerate configure/Makefiles that haven't been
touched, so lto-plugin/* and zlib/* above.
Otherwise LGTM.
Jakub
