[PATCH] Make copy of <bits/std_abs.h> from GCC 7 [BZ #21573]

[H.J. Lu]

On Tue, Jun 13, 2017 at 8:32 AM, H.J. Lu <hjl.tools@gmail.com> wrote:
> On Tue, Jun 13, 2017 at 4:54 AM, H.J. Lu <hjl.tools@gmail.com> wrote:
>> On Tue, Jun 13, 2017 at 4:46 AM, Andreas Schwab <schwab@suse.de> wrote:
>>> On Jun 13 2017, "H.J. Lu" <hjl.tools@gmail.com> wrote:
>>>
>>>> The first / in "/$1:/{s/:\$//;p}" is a command:
>>>
>>> It's not a command, it's an address.
>>>
>>>> [hjl@gnu-tools-1 glibc-test]$ echo "#include <bits/std_abs.h>" |
>>>> /usr/gcc-7.1.1-x32/bin/c++ -M -MP -x c++ - | sed -n
>>>> ",/bits/std_abs.h:,{s/:\$//;p}"
>>>> sed: -e expression #1, char 1: unknown command: `,'
>>>>
>>>> What options do I have?
>>>
>>> \,$1,
>>
>> Here is the updated patch.  OK for master?
>>
>> Thanks.
>
> I am checking it in.
>

A new target for $(common-objpfx)bits/std_abs.h is needed.  Tested
and verified with GCC5, GCC 6 and GCC 7 on x86-64.
This is what I am checking in.

-- 
H.J.
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