| … | |
… | |
| 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 sys/queue.h port.h poll.h sys/select.h sys/eventfd.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) |
| 8 | |
8 | |
| 9 | AC_CHECK_FUNC(clock_gettime, [], [ |
9 | AC_CHECK_FUNC(clock_gettime, [], [ |
| 10 | if test -z "$LIBEV_M4_AVOID_LIBRT"; then |
10 | dnl on linux, try syscall wrapper first |
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11 | if test $(uname) = Linux; then |
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12 | AC_MSG_CHECKING(for clock_gettime syscall) |
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13 | AC_LINK_IFELSE([AC_LANG_PROGRAM( |
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14 | [#include <syscall.h> |
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15 | #include <time.h>], |
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16 | [struct timespec ts; int status = syscall (SYS_clock_gettime, CLOCK_REALTIME, &ts)])], |
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17 | [ac_have_clock_syscall=1 |
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18 | AC_DEFINE(HAVE_CLOCK_SYSCALL, 1, "use syscall interface for clock_gettime") |
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19 | AC_MSG_RESULT(yes)], |
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20 | [AC_MSG_RESULT(no)]) |
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21 | fi |
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22 | if test -z "$LIBEV_M4_AVOID_LIBRT" && test -z "$ac_have_clock_syscall"; then |
| 11 | AC_CHECK_LIB(rt, clock_gettime) |
23 | AC_CHECK_LIB(rt, clock_gettime) |
| 12 | unset ac_cv_func_clock_gettime |
24 | unset ac_cv_func_clock_gettime |
| 13 | AC_CHECK_FUNCS(clock_gettime) |
25 | AC_CHECK_FUNCS(clock_gettime) |
| 14 | fi |
26 | fi |
| 15 | ]) |
27 | ]) |
