[Bug libc/15105] Extra PLT references with -Os

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https://sourceware.org/bugzilla/show_bug.cgi?id=15105

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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=000f290ff179c9910f09b7f76797bdab575abb15

commit 000f290ff179c9910f09b7f76797bdab575abb15
Author: Joseph Myers <joseph@codesourcery.com>
Date:   Wed Feb 28 14:16:21 2018 +0000

    Use libc_hidden_* for strtoumax (bug 15105).

    On sparc, localplt test failures appear when building with -Os because
    of a call to strtoumax from
    sysdeps/unix/sysv/linux/sparc/sparc64/get_clockfreq.c, and strtoumax
    is not inlined when building with -Os.  This patch fixes those
    failures by using libc_hidden_proto and libc_hidden_def for strtoumax.

    Tested with build-many-glibcs.py for
    sparc64-linux-gnu-disable-multi-arch, sparc64-linux-gnu,
    sparcv9-linux-gnu-disable-multi-arch, sparcv9-linux-gnu that this
    fixes that test failure with -Os.

        [BZ #15105]
        * sysdeps/wordsize-32/strtoumax.c (strtoumax): Use
        libc_hidden_def.
        * sysdeps/wordsize-64/strtoumax.c (strtoumax): Likewise.
        * include/inttypes.h: New file.

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog                       |    8 ++++++++
 include/inttypes.h              |    6 ++++++
 sysdeps/wordsize-32/strtoumax.c |    1 +
 sysdeps/wordsize-64/strtoumax.c |    1 +
 4 files changed, 16 insertions(+), 0 deletions(-)
 create mode 100644 include/inttypes.h

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