# src/template/darwin # Note: Darwin is the original code name for macOS, also known as OS X. # We still use "darwin" as the port name, partly because config.guess does. # Select appropriate semaphore support. Darwin 6.0 (macOS 10.2) and up # support System V semaphores; before that we have to use named POSIX # semaphores, which are less good for our purposes because they eat a # file descriptor per backend per max_connection slot. case $host_os in darwin[015].*) USE_NAMED_POSIX_SEMAPHORES=1 ;; *) USE_SYSV_SEMAPHORES=1 ;; esac