From: Szabolcs Nagy <nsz@port70.net>
To: musl@lists.openwall.com
Subject: Re: shmctl not found when compiling compiler-rt
Date: Tue, 13 Feb 2018 15:15:24 +0100 [thread overview]
Message-ID: <20180213141524.GZ4418@port70.net> (raw)
In-Reply-To: <220501518528874@web47o.yandex.ru>
* Dmitry Golovin <dima@golovin.in> [2018-02-13 15:34:34 +0200]:
> I'm trying to compile compiler-rt with musl and it used to be fine, but I can't succeed with recent versions of compiler-rt.
>
> The compilation fails because of the lack of real_shmctl while musl clearly has shmctl: http://git.musl-libc.org/cgit/musl/tree/src/ipc/shmctl.c
>
> Here is the complete output:
>
> llvm/projects/compiler-rt/lib/msan/msan_interceptors.cc:1446:15: error: no member named 'real_shmctl' in namespace '__interception'; did you mean 'real_ioctl'?
> int res = REAL(shmctl)(shmid, shmctl_ipc_stat, &ds);
> ^~~~~~~~~~~~
there should be a
DECLARE_REAL(int, shmctl, int shmid, int cmd, void *buf)
in that file which defines __interception::real_shmctl.
> To compile without glibc on linux using this patch:
> https://github.com/tpimh/ngtc/blob/alpine/patch/compiler-rt-01-sanitizer-nongnu.patch
>
> Regards,
> Dmitry
next prev parent reply other threads:[~2018-02-13 14:15 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-13 13:34 Dmitry Golovin
2018-02-13 14:15 ` Szabolcs Nagy [this message]
2018-02-13 14:30 ` Matúš Olekšák
2018-02-13 14:33 ` Szabolcs Nagy
2018-02-13 14:33 ` Dmitry Golovin
2018-02-13 14:36 ` Matúš Olekšák
2018-02-13 14:51 ` Matúš Olekšák
2018-02-13 16:32 ` Julien Ramseier
2018-02-14 15:29 ` Dmitry Golovin
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