[Bug binutils/27173] binutils builds broken on ubuntu 18.04

[cvs-commit at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=27173

--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot 
gnu.org> ---
The master branch has been updated by H.J. Lu <hjl@sourceware.org>:

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=03c02f3116d75721f917c4155cefb18b940a43ff

commit 03c02f3116d75721f917c4155cefb18b940a43ff
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Mon Jan 11 16:26:39 2021 -0800

    GCC: Check if AR works with --plugin and rc

    AR from older binutils doesn't work with --plugin and rc:

    [hjl@gnu-cfl-2 bin]$ touch foo.c
    [hjl@gnu-cfl-2 bin]$ ar --plugin
/usr/libexec/gcc/x86_64-redhat-linux/10/liblto_plugin.so rc libfoo.a foo.c
    [hjl@gnu-cfl-2 bin]$ ./ar --plugin
/usr/libexec/gcc/x86_64-redhat-linux/10/liblto_plugin.so rc libfoo.a foo.c
    ./ar: no operation specified
    [hjl@gnu-cfl-2 bin]$ ./ar --version
    GNU ar (Linux/GNU Binutils) 2.29.51.0.1.20180112
    Copyright (C) 2018 Free Software Foundation, Inc.
    This program is free software; you may redistribute it under the terms of
    the GNU General Public License version 3 or (at your option) any later
version.
    This program has absolutely no warranty.
    [hjl@gnu-cfl-2 bin]$

    Check if AR works with --plugin and rc before passing --plugin to AR and
    RANLIB.

            PR ld/27173
            * configure: Regenerated.
            * libtool.m4 (_LT_CMD_OLD_ARCHIVE): Check if AR works with
            --plugin and rc before enabling --plugin.

    config/

            PR ld/27173
            * gcc-plugin.m4 (GCC_PLUGIN_OPTION): Check if AR works with
            --plugin and rc before enabling --plugin.

    libiberty/

            PR ld/27173
            * configure: Regenerated.

    zlib/

            PR ld/27173
            * configure: Regenerated.

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