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[Bug libc/24532] conform/arpa/inet.h failures due to linux kernel 64-bit time_t changes

--- Comment #7 from cvs-commit at gcc dot <cvs-commit at gcc dot> ---
The release/2.29/master branch has been updated by Arjun Shankar

commit 845278f2c6f93b1bb72c1e61529785740ea05f62
Author: Florian Weimer <>
Date:   Wed Jul 24 10:59:34 2019 +0200

    Linux: Use in-tree copy of SO_ constants for !__USE_MISC [BZ #24532]

    The kernel changes for a 64-bit time_t on 32-bit architectures
    resulted in <asm/socket.h> indirectly including <linux/posix_types.h>.
    The latter is not namespace-clean for the POSIX version of

    This issue has persisted across several Linux releases, so this commit
    creates our own copy of the SO_* definitions for !__USE_MISC mode.

    The new test socket/tst-socket-consts ensures that the copy is
    consistent with the kernel definitions (which vary across
    architectures).  The test is tricky to get right because CPPFLAGS
    includes include/libc-symbols.h, which in turn defines _GNU_SOURCE

    Tested with  I verified that a discrepancy in
    the definitions actually results in a failure of the
    socket/tst-socket-consts test.

    (cherry picked from commit 7854ebf8ed18180189c335f6f499fe9322458f0b)

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