+* Android uses a customized version of shared memory managemnt known as ashmem. Standard shm and semaphore libc
+ wrappers (semget(2), shmat(2) and others) aren't available. Direct syscalls can be used with
+ `CFLAGS+=" -DTERMUX_SHMEM_STUBS=1 -DTERMUX_SEMOPS_STUBS=1"`.
+