You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

42 lines
1.5 KiB

11 years ago
10 years ago
11 years ago
10 years ago
11 years ago
10 years ago
11 years ago
10 years ago
11 years ago
10 years ago
11 years ago
  1. dnl this file is part of libev, do not make local modifications
  2. dnl http://software.schmorp.de/pkg/libev
  3. dnl libev support
  4. AC_CHECK_HEADERS(sys/inotify.h sys/epoll.h sys/event.h port.h poll.h sys/select.h sys/eventfd.h sys/signalfd.h)
  5. AC_CHECK_FUNCS(inotify_init epoll_ctl kqueue port_create poll select eventfd signalfd)
  6. AC_CHECK_FUNCS(clock_gettime, [], [
  7. dnl on linux, try syscall wrapper first
  8. if test $(uname) = Linux; then
  9. AC_MSG_CHECKING(for clock_gettime syscall)
  10. AC_LINK_IFELSE([AC_LANG_PROGRAM(
  11. [#include <unistd.h>
  12. #include <sys/syscall.h>
  13. #include <time.h>],
  14. [struct timespec ts; int status = syscall (SYS_clock_gettime, CLOCK_REALTIME, &ts)])],
  15. [ac_have_clock_syscall=1
  16. AC_DEFINE(HAVE_CLOCK_SYSCALL, 1, Define to 1 to use the syscall interface for clock_gettime)
  17. AC_MSG_RESULT(yes)],
  18. [AC_MSG_RESULT(no)])
  19. fi
  20. if test -z "$LIBEV_M4_AVOID_LIBRT" && test -z "$ac_have_clock_syscall"; then
  21. AC_CHECK_LIB(rt, clock_gettime)
  22. unset ac_cv_func_clock_gettime
  23. AC_CHECK_FUNCS(clock_gettime)
  24. fi
  25. ])
  26. AC_CHECK_FUNCS(nanosleep, [], [
  27. if test -z "$LIBEV_M4_AVOID_LIBRT"; then
  28. AC_CHECK_LIB(rt, nanosleep)
  29. unset ac_cv_func_nanosleep
  30. AC_CHECK_FUNCS(nanosleep)
  31. fi
  32. ])
  33. if test -z "$LIBEV_M4_AVOID_LIBM"; then
  34. LIBM=m
  35. fi
  36. AC_SEARCH_LIBS(floor, $LIBM, [AC_DEFINE(HAVE_FLOOR, 1, Define to 1 if the floor function is available)])