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From: "H.J. Lu" <hjl.tools@gmail.com>
Date: Mon, 14 Nov 2016 19:22:00 -0000
Message-ID: <CAMe9rOp-Q9jaq+U6o+3DA97pZV2N+MVBrkodBQKVSQNdp7SFXw@mail.gmail.com>
Subject: Re: [PATCH] Install libm.a as linker script [BZ #20539]
To: Andrew Senkevich <andrew.n.senkevich@gmail.com>
Cc: libc-alpha <libc-alpha@sourceware.org>
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On Mon, Nov 14, 2016 at 11:15 AM, Andrew Senkevich
<andrew.n.senkevich@gmail.com> wrote:
> 2016-10-25 1:02 GMT+03:00 H.J. Lu <hjl.tools@gmail.com>:
>>> diff --git a/Makerules b/Makerules
>>> index e865782..290f927 100644
>>> --- a/Makerules
>>> +++ b/Makerules
>>> @@ -1190,7 +1190,9 @@ $(addprefix $(inst_sbindir)/,$(install-sbin)): \
>>>         $(do-install-program)
>>>  endif
>>>  ifdef install-lib
>>> -install-lib.a := $(filter lib%.a,$(install-lib))
>>> +ifeq ($(build-mathvec),yes)
>>> +install-lib.a := $(filter-out libm.a,$(filter lib%.a,$(install-lib)))
>>> +endif
>>
>> Should we use $(install-lib-ldscripts) instead of libm.a here?
>
> I had tried but haven't rich a success.

Did you add libm.a to install-lib-ldscripts?

>>>  # Rules for the test suite.
>>>
>>
>> Do you need to update rules for building static math tests with
>> libmvec.a?
>
> I haven't added -lmvec explicitly for any static math test so I think no.

Static math test in glibc may fail if the same bug is triggered
with ether new GCC or new test.

> Attached corrected version.
>


echo 'GROUP ( $(inst_libdir)/libm-$(lib-version).a $(inst_libdir)/libmvec.a )' \
                         ^^^^^^^^^^^^   Please use libdir here.

-- 
H.J.