Re: RM: oclgrind [armel] -- ROP; FTBFS with clang 7
Hi Andreas!
> /usr/bin/ld: liboclgrind-18.3.so: undefined reference to `__atomic_fetch_add_4'
> /usr/bin/ld: liboclgrind-18.3.so: undefined reference to `__atomic_exchange_4'
> /usr/bin/ld: liboclgrind-18.3.so: undefined reference to `__atomic_fetch_sub_4'
> /usr/bin/ld: liboclgrind-18.3.so: undefined reference to `__atomic_load_1'
> /usr/bin/ld: liboclgrind-18.3.so: undefined reference to `__atomic_store_4'
> /usr/bin/ld: liboclgrind-18.3.so: undefined reference to `__atomic_load_4'
> /usr/bin/ld: liboclgrind-18.3.so: undefined reference to `__atomic_store_1'
> /usr/bin/ld: liboclgrind-18.3.so: undefined reference to `__atomic_compare_exchange_4'
> collect2: error: ld returned 1 exit status
>
> and I don't have time to debug this.
This is most likely caused by a missing -latomic in the linker options,
see [1]. armel doesn't have these atomics built-in in hardware, so you
need to use an external helper library for that.
Adrian
> [1] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=915046
--
.''`. John Paul Adrian Glaubitz
: :' : Debian Developer - glaubitz@debian.org
`. `' Freie Universitaet Berlin - glaubitz@physik.fu-berlin.de
`- GPG: 62FF 8A75 84E0 2956 9546 0006 7426 3B37 F5B5 F913
Reply to: