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ITS#10306 configure: use cache for epoll/kqueue checks

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Howard Chu 2025-12-09 17:45:27 +00:00
parent 93a96ed2e7
commit 09d24f1484
1 changed files with 27 additions and 9 deletions
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36
configure.ac
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@ -968,7 +968,8 @@ fi
dnl ----------------------------------------------------------------
AC_CHECK_HEADERS( sys/epoll.h )
if test "${ac_cv_header_sys_epoll_h}" = yes; then
AC_MSG_CHECKING(for epoll system call)
AC_CACHE_CHECK([AC_LANG_SOURCE([for epoll system call])],
ol_cv_have_epoll,[
AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdlib.h>
#ifdef HAVE_SYS_POLL_H
#include <sys/epoll.h>
@ -977,14 +978,20 @@ int main(int argc, char **argv)
{
int epfd = epoll_create(256);
exit (epfd == -1 ? 1 : 0);
}]])],[AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_EPOLL,1, [define if your system supports epoll])],[AC_MSG_RESULT(no)],[AC_MSG_RESULT(no)])
}]])],
[ol_cv_have_epoll=yes],
[ol_cv_have_epoll=no],
[ol_cv_have_epoll=no])])
if test $ol_cv_have_epoll = yes ; then
AC_DEFINE(HAVE_EPOLL,1, [define if your system supports epoll])
fi
fi
dnl ----------------------------------------------------------------
AC_CHECK_HEADERS( sys/event.h )
if test "${ac_cv_header_sys_event_h}" = yes; then
AC_MSG_CHECKING(for kqueue system call)
AC_CACHE_CHECK([AC_LANG_SOURCE([for kqueue system call])],
ol_cv_have_kqueue,[
AC_RUN_IFELSE([AC_LANG_SOURCE([[$ac_includes_default
#ifdef HAVE_SYS_EVENT_H
#include <sys/event.h>
@ -996,8 +1003,13 @@ int main(int argc, char **argv)
{
int kqfd = kqueue();
exit (kqfd == -1 ? 1 : 0);
}]])],[AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_KQUEUE,1, [define if your system supports kqueue])],[AC_MSG_RESULT(no)],[AC_MSG_RESULT(no)])
}]])],
[ol_cv_have_kqueue=yes],
[ol_cv_have_kqueue=no],
[ol_cv_have_kqueue=no])])
if test $ol_cv_have_kqueue = yes ; then
AC_DEFINE(HAVE_KQUEUE,1, [define if your system supports kqueue])
fi
fi
dnl ----------------------------------------------------------------
@ -1006,13 +1018,19 @@ dnl "/dev/poll" needs <sys/poll.h> as well...
if test "${ac_cv_header_sys_devpoll_h}" = yes \
-a "${ac_cv_header_poll_h}" = yes ; \
then
AC_MSG_CHECKING(for /dev/poll)
AC_CACHE_CHECK([AC_LANG_SOURCE([for /dev/poll])],
ol_cv_have_devpoll,[
AC_RUN_IFELSE([AC_LANG_SOURCE([[int main(int argc, char **argv)
{
int devpollfd = open("/dev/poll", /* O_RDWR */ 2);
exit (devpollfd == -1 ? 1 : 0);
}]])],[AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_DEVPOLL,1, [define if your system supports /dev/poll])],[AC_MSG_RESULT(no)],[AC_MSG_RESULT(no)])
}]])],
[ol_cv_have_devpoll=yes],
[ol_cv_have_devpoll=no],
[ol_cv_have_devpoll=no])])
if test $ol_cv_have_devpoll = yes ; then
AC_DEFINE(HAVE_DEVPOLL,1, [define if your system supports /dev/poll])
fi
fi
dnl ----------------------------------------------------------------