Oh, now I read it again and I realize you try to compile compiler-rt and not musl. I'm so sorry for misunderstanding. I had a rough day. PS: Sorry for spam 2018-02-13 15:36 GMT+01:00 Matúš Olekšák : > I assumed it's the same problem a had last week on pure llvm environment > and I discovered bug in compiler-rt detection which solves my patch. > > 2018-02-13 15:33 GMT+01:00 Dmitry Golovin : > >> 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" : >> > Try this patch to correctly link compiler-rt. >> > >> > 2018-02-13 15:15 GMT+01:00 Szabolcs Nagy : >> >> * Dmitry Golovin [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 >> > >