On 2025-08-26 17:25:11 [+0300], Dan Carpenter wrote: > On 32bit ARM systems gcc-12 will use 32bit timestamps while gcc-13 and > later will use 64bit timestamps. The problem is that SYS_futex will > continue pointing at the 32bit system call. This makes the futex_wait > test fail like this: > > waiter failed errno 110 > not ok 1 futex_wake private returned: 0 Success > waiter failed errno 110 > not ok 2 futex_wake shared (page anon) returned: 0 Success > waiter failed errno 110 > not ok 3 futex_wake shared (file backed) returned: 0 Success > > Instead of compiling differently depending on the gcc version, use the > -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64 options to ensure that we are > building with 64bit timestamps. Then use ifdefs to make SYS_futex point > to the 64bit system call. > > Signed-off-by: Dan Carpenter <dan.carpen...@linaro.org> > Tested-by: Anders Roxell <anders.rox...@linaro.org>
It appears glibc uses the 64bit syscall by default. So that is fine. Sebastian
