[Bug driver/81358] libatomic not automatically linked with C11 code

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81358

--- Comment #17 from GCC Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Prathamesh Kulkarni
<prathamesh3492@gcc.gnu.org>:

https://gcc.gnu.org/g:e2f6ed54f75bbf8dd0292af90304890f06a9be17

commit r15-6337-ge2f6ed54f75bbf8dd0292af90304890f06a9be17
Author: Prathamesh Kulkarni <prathameshk@nvidia.com>
Date:   Wed Dec 18 17:03:51 2024 +0530

    PR81358: Enable automatic linking of libatomic.

    ChangeLog:
            PR driver/81358
            * Makefile.def: Add dependencies so libatomic is built before
target
            libraries are configured.
            * Makefile.tpl: Export TARGET_CONFIGDIRS.
            * configure.ac: Add libatomic to bootstrap_target_libs.
            * Makefile.in: Regenerate.
            * configure: Regenerate.

    gcc/ChangeLog:
            PR driver/81358
            * common.opt: New option -flink-libatomic.
            * gcc.cc (LINK_LIBATOMIC_SPEC): New macro.
            * config/gnu-user.h (GNU_USER_TARGET_LINK_GCC_C_SEQUENCE_SPEC): Use
            LINK_LIBATOMIC_SPEC.
            * doc/invoke.texi: Document -flink-libatomic.
            * configure.ac: Define TARGET_PROVIDES_LIBATOMIC.
            * configure: Regenerate.
            * config.in: Regenerate.

    libatomic/ChangeLog:
            PR driver/81358
            * Makefile.am: Pass -fno-link-libatomic.
            New rule all.
            * configure.ac: Assert that CFLAGS is set and pass
-fno-link-libatomic.
            * Makefile.in: Regenerate.
            * configure: Regenerate.

    Signed-off-by: Prathamesh Kulkarni <prathameshk@nvidia.com>
    Co-authored-by: Matthew Malcolmson <mmalcolmson@nvidia.com>