Though our implementation of cpu sets doesn't need it, software from Linux environments expects this definition to be present. It's documented on the Linux CPU_SET(3) man page but was left out due to oversight.
Addresses https://cygwin.com/ml/cygwin/2019-12/msg00248.html --- winsup/cygwin/include/sys/cpuset.h | 1 + 1 file changed, 1 insertion(+) diff --git a/winsup/cygwin/include/sys/cpuset.h b/winsup/cygwin/include/sys/cpuset.h index 1adf48d54..572565165 100644 --- a/winsup/cygwin/include/sys/cpuset.h +++ b/winsup/cygwin/include/sys/cpuset.h @@ -89,6 +89,7 @@ int __sched_getaffinity_sys (pid_t, size_t, cpu_set_t *); #define CPU_XOR(dst, src1, src2) CPU_XOR_S(sizeof (cpu_set_t), dst, src1, src2) #define CPU_EQUAL(src1, src2) CPU_EQUAL_S(sizeof (cpu_set_t), src1, src2) +#define CPU_SETSIZE __CPU_SETSIZE #endif /* __GNU_VISIBLE */ #ifdef __cplusplus -- 2.21.0