checking for isfinite... no
checking for kqueue... (cached) no
checking for kqueue in sys/event.h... no
checking for sockaddr_in.sin_len... no
checking for sockaddr_in6.sin6_len... no
checking checklist.h usability... no
checking checklist.h presence... no
checking for checklist.h... no
checking pathconf.h usability... no
checking pathconf.h presence... no
checking for pathconf.h... no
checking for struct kinfo_proc.kp_proc... no
checking attr/xattr.h usability... no
checking attr/xattr.h presence... no
checking for attr/xattr.h... no
checking sys/extattr.h usability... no
checking sys/extattr.h presence... no
checking for sys/extattr.h... n
checking curses.h usability... no
checking curses.h presence... no
checking for curses.h... no
checking for term.h... no
checking termios.h usabil
checking for aintl in -lsunmath... no
checking if big-arrays are to be enabled... no
checking for llvm-config... no
configure: error: llvm-config not found.