CONFIG_POSIX_API=y
CONFIG_ZTEST=y

# for POSIX_FILESYSTEM
CONFIG_POSIX_FILE_SYSTEM=y

# for networking things to work
CONFIG_NETWORKING=y
CONFIG_POSIX_NETWORKING=y
CONFIG_NET_TEST=y
CONFIG_TEST_RANDOM_GENERATOR=y

# For e.g. sched_get_priority_max()
CONFIG_POSIX_PRIORITY_SCHEDULING=y

# For putmsg(), etc
CONFIG_XOPEN_STREAMS=y

# for when CONFIG_POSIX_API is not selected
CONFIG_POSIX_THREADS=y
CONFIG_POSIX_TIMERS=y
CONFIG_POSIX_MESSAGE_PASSING=y
CONFIG_EVENTFD=y
CONFIG_POSIX_C_LIB_EXT=y
CONFIG_POSIX_DEVICE_IO=y