Skip site navigation (1)Skip section navigation (2)
Date:      Fri, 21 Sep 2018 21:35:28 -0600
From:      Warner Losh <imp@bsdimp.com>
To:        rebecca@bluestop.org
Cc:        Mark Johnston <markj@freebsd.org>, Ed Maste <emaste@freebsd.org>,  FreeBSD Current <freebsd-current@freebsd.org>,  "freebsd-toolchain@FreeBSD.org" <freebsd-toolchain@freebsd.org>
Subject:   Re: building head -r338675 with devel/amd64-gcc: /usr/local/x86_64-unknown-freebsd12.0/bin/ld: warning: -z ifunc-noplt ignored
Message-ID:  <CANCZdfqda%2B=MkzKc%2BhF0_1NZG90kTzxZuC5uJUE5qaDEW7szgA@mail.gmail.com>
In-Reply-To: <CANCZdfrRNqHMrCdYuDgs=cLJfm11BVv8d-=D_c1s5jp1tz8ZKQ@mail.gmail.com>
References:  <2E7136DD-9C25-44C1-8C9A-310C2D1D7189@yahoo.com> <CAPyFy2BHUocGh-H8xfmdQXTTX_Qvoi50xKzoTGco8Cn9FfGcyQ@mail.gmail.com> <20180921193139.GB5120@raichu> <CAPyFy2DTw-LGXUVCP2W0MOW0bXWe2An18Y-Uy-U6X40UJCiy6w@mail.gmail.com> <20180921220639.GF5120@raichu> <83c3a1bd-6922-20d1-4559-26bca1995229@bluestop.org> <CANCZdfrAZkz-6RwG8N_iMt4OOxaBFRpdLCo4h7q2KnLrb_A%2BPg@mail.gmail.com> <33ea78c3-7954-d30e-4f40-dcada55e7367@bluestop.org> <CANCZdfrRNqHMrCdYuDgs=cLJfm11BVv8d-=D_c1s5jp1tz8ZKQ@mail.gmail.com>

next in thread | previous in thread | raw e-mail | index | archive | help
On Fri, Sep 21, 2018 at 9:34 PM Warner Losh <imp@bsdimp.com> wrote:

>
>
> On Fri, Sep 21, 2018 at 9:30 PM Rebecca Cran <rebecca@bluestop.org> wrote:
>
>> On 9/21/18 9:09 PM, Warner Losh wrote:
>>
>> > On Fri, Sep 21, 2018 at 9:02 PM Rebecca Cran via freebsd-toolchain <
>> > freebsd-toolchain@freebsd.org> wrote:
>> >
>> >> On 9/21/18 4:06 PM, Mark Johnston wrote:
>> >>> https://reviews.freebsd.org/D17279 for anyone else that would like to
>> >>> review.
>> >>
>> >> Is that possibly related to the error I'm getting trying to build
>> >> -CURRENT on 11.2?
>> >>
>> >>
>> >> make[4]: "/usr/home/bcran/workspace/freebsd/lib/libc/Makefile" line 26:
>> >> amd64 libc requires linker ifunc support
>> >>
>> > Yea, that should absolutely work. If it doesn't, that's a big big
>> problem.
>>
>>
>> I see, it was introduced earlier today in lib/libc/Makefile:
>>
>>
>> commit ef8030831eccec4e481a1766fc1c67f7cadadac9
>> Author: emaste <emaste@FreeBSD.org>
>> Date:   Fri Sep 21 17:49:37 2018 +0000
>>
>>     libc: require ifunc-capable linker for amd64/i386
>>
>>     We expect to introduce optimized libc routines in the near future,
>>     which requires use of a linker that supports ifuncs.
>>
>>     Approved by:    re (gjb, kib)
>>     Sponsored by:   The FreeBSD Foundation
>>
>>
>> And /usr/bin/ld -v on my 11.2 system says:
>>
>>
>> GNU ld 2.17.50 [FreeBSD] 2007-07-03
>>
>
> What does ld.lld say?
>
> However, it shouldn't matter: we don't build libc until *AFTER* we build
> ld.lld, so this error is bogusly triggering. I suspect that it needs to be
> limited to only building targets, since tree traversal ones, as well as
> install targets don't have this dependency.
>

I meant to add, can you give a few lines before the error is spewed here in
email? My IRC computer died before I could see any answers there...

My 11.2-stable system has 6.0.1, so I can't test from there.

Warner



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?CANCZdfqda%2B=MkzKc%2BhF0_1NZG90kTzxZuC5uJUE5qaDEW7szgA>