Date: Tue, 13 Feb 2018 16:33:54 +0200 From: Dmitry Golovin <dima@...ovin.in> To: "musl@...ts.openwall.com" <musl@...ts.openwall.com> Subject: Re: shmctl not found when compiling compiler-rt Thank you for the patch, but I don't think it is relevant to this problem. If you take a look at my build script, you'll see that I don't need it: https://github.com/tpimh/ngtc/blob/alpine/build.sh#L73 Regards, Dmitry 13.02.2018, 16:31, "Matúš Olekšák" <oleksak.matus@...il.com>: > Try this patch to correctly link compiler-rt. > > 2018-02-13 15:15 GMT+01:00 Szabolcs Nagy <nsz@...t70.net>: >> * Dmitry Golovin <dima@...ovin.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
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