1 |
root |
1.1 |
dnl this file is part of libev, do not make local modifications |
2 |
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dnl http://software.schmorp.de/pkg/libev |
3 |
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4 |
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dnl libev support |
5 |
root |
1.12 |
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) |
6 |
root |
1.1 |
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7 |
root |
1.12 |
AC_CHECK_FUNCS(inotify_init epoll_ctl kqueue port_create poll select eventfd signalfd) |
8 |
root |
1.1 |
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9 |
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AC_CHECK_FUNC(clock_gettime, [], [ |
10 |
root |
1.11 |
dnl on linux, try syscall wrapper first |
11 |
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if test $(uname) = Linux; then |
12 |
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AC_MSG_CHECKING(for clock_gettime syscall) |
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AC_LINK_IFELSE([AC_LANG_PROGRAM( |
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[#include <syscall.h> |
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#include <time.h>], |
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[struct timespec ts; int status = syscall (SYS_clock_gettime, CLOCK_REALTIME, &ts)])], |
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[ac_have_clock_syscall=1 |
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AC_DEFINE(HAVE_CLOCK_SYSCALL, 1, "use syscall interface for clock_gettime") |
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AC_MSG_RESULT(yes)], |
20 |
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[AC_MSG_RESULT(no)]) |
21 |
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fi |
22 |
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if test -z "$LIBEV_M4_AVOID_LIBRT" && test -z "$ac_have_clock_syscall"; then |
23 |
root |
1.5 |
AC_CHECK_LIB(rt, clock_gettime) |
24 |
root |
1.7 |
unset ac_cv_func_clock_gettime |
25 |
root |
1.5 |
AC_CHECK_FUNCS(clock_gettime) |
26 |
root |
1.3 |
fi |
27 |
root |
1.1 |
]) |
28 |
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29 |
root |
1.9 |
AC_CHECK_FUNC(nanosleep, [], [ |
30 |
root |
1.8 |
if test -z "$LIBEV_M4_AVOID_LIBRT"; then |
31 |
root |
1.9 |
AC_CHECK_LIB(rt, nanosleep) |
32 |
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unset ac_cv_func_nanosleep |
33 |
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AC_CHECK_FUNCS(nanosleep) |
34 |
root |
1.8 |
fi |
35 |
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]) |
36 |
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37 |
root |
1.2 |
AC_CHECK_LIB(m, ceil) |
38 |
root |
1.1 |
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