| 1 | dnl this file is part of libev, do not make local modifications |
1 | dnl this file is part of libev, do not make local modifications |
| 2 | dnl http://software.schmorp.de/pkg/libev |
2 | dnl http://software.schmorp.de/pkg/libev |
| 3 | |
3 | |
| 4 | dnl libev support |
4 | dnl libev support |
| 5 | AC_CHECK_HEADERS(sys/inotify.h sys/epoll.h sys/event.h sys/queue.h port.h poll.h sys/select.h sys/eventfd.h) |
5 | 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 | |
6 | |
| 7 | AC_CHECK_FUNCS(inotify_init epoll_ctl kqueue port_create poll select eventfd) |
7 | AC_CHECK_FUNCS(inotify_init epoll_ctl kqueue port_create poll select eventfd signalfd) |
| 8 | |
8 | |
| 9 | AC_CHECK_FUNC(clock_gettime, [], [ |
9 | AC_CHECK_FUNC(clock_gettime, [], [ |
| 10 | dnl on linux, try syscall wrapper first |
10 | dnl on linux, try syscall wrapper first |
| 11 | if test $(uname) = Linux; then |
11 | if test $(uname) = Linux; then |
| 12 | AC_MSG_CHECKING(for clock_gettime syscall) |
12 | AC_MSG_CHECKING(for clock_gettime syscall) |
| 13 | AC_LINK_IFELSE([AC_LANG_PROGRAM( |
13 | AC_LINK_IFELSE([AC_LANG_PROGRAM( |
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|
14 | [#include <unistd.h> |
| 14 | [#include <syscall.h> |
15 | #include <sys/syscall.h> |
| 15 | #include <time.h>], |
16 | #include <time.h>], |
| 16 | [struct timespec ts; int status = syscall (SYS_clock_gettime, CLOCK_REALTIME, &ts)])], |
17 | [struct timespec ts; int status = syscall (SYS_clock_gettime, CLOCK_REALTIME, &ts)])], |
| 17 | [ac_have_clock_syscall=1 |
18 | [ac_have_clock_syscall=1 |
| 18 | AC_DEFINE(HAVE_CLOCK_SYSCALL, 1, "use syscall interface for clock_gettime") |
19 | AC_DEFINE(HAVE_CLOCK_SYSCALL, 1, "use syscall interface for clock_gettime") |
| 19 | AC_MSG_RESULT(yes)], |
20 | AC_MSG_RESULT(yes)], |
| … | |
… | |
| 34 | fi |
35 | fi |
| 35 | ]) |
36 | ]) |
| 36 | |
37 | |
| 37 | AC_CHECK_LIB(m, ceil) |
38 | AC_CHECK_LIB(m, ceil) |
| 38 | |
39 | |
| 39 | |
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| 40 | |
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