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dnl configure.in for libevent
dnl Dug Song <dugsong@monkey.org>
AC_INIT(event.c)
AM_INIT_AUTOMAKE(libevent,0.5)
AM_CONFIG_HEADER(config.h)
dnl Initialize prefix.
if test "$prefix" = "NONE"; then
prefix="/usr/local"
fi
dnl Checks for programs.
AC_PROG_CC
AC_PROG_RANLIB
AC_PROG_INSTALL
AC_PROG_LN_S
dnl Checks for libraries.
dnl Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS(unistd.h sys/time.h sys/queue.h sys/event.h)
if test "x$ac_cv_header_sys_queue_h" = "xyes"; then
AC_MSG_CHECKING(for TAILQ_FOREACH in sys/queue.h)
AC_EGREP_CPP(yes,
[
#include <sys/queue.h>
#ifdef TAILQ_FOREACH
yes
#endif
], [AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_TAILQFOREACH) ], AC_MSG_RESULT(no)
)
fi
if test "x$ac_cv_header_sys_time_h" = "xyes"; then
AC_MSG_CHECKING(for timeradd in sys/time.h)
AC_EGREP_CPP(yes,
[
#include <sys/time.h>
#ifdef timeradd
yes
#endif
], [ AC_DEFINE(HAVE_TIMERADD)
AC_MSG_RESULT(yes)] ,AC_MSG_RESULT(no)
)
fi
dnl Checks for typedefs, structures, and compiler characteristics.
AC_HEADER_TIME
dnl Checks for library functions.
AC_CHECK_FUNCS(gettimeofday)
AC_SUBST(LIBOBJS)
haveselect=no
AC_CHECK_FUNCS(select, [haveselect=yes], )
if test "x$haveselect" = "xyes" ; then
LIBOBJS="$LIBOBJS select.o"
fi
neederr=no
AC_CHECK_FUNCS(warnx, , [neederr=yes])
if test $neederr = yes; then
LIBOBJS="$LIBOBJS err.o"
fi
havekqueue=no
if test "x$ac_cv_header_sys_event_h" = "xyes"; then
AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
if test "x$havekqueue" = "xyes" ; then
AC_MSG_CHECKING(for working kqueue)
AC_TRY_RUN(
#include <sys/types.h>
#include <sys/time.h>
#include <sys/event.h>
#include <stdio.h>
#include <unistd.h>
#include <fcntl.h>
int
main(int argc, char **argv)
{
int kq;
int n;
int fd[[2]];
struct kevent ev;
struct timespec ts;
char buf[[8000]];
if (pipe(fd) == -1)
exit(1);
if (fcntl(fd[[1]], F_SETFL, O_NONBLOCK) == -1)
exit(1);
while ((n = write(fd[[1]], buf, sizeof(buf))) == sizeof(buf))
;
if ((kq = kqueue()) == -1)
exit(1);
ev.ident = fd[[1]];
ev.filter = EVFILT_WRITE;
ev.flags = EV_ADD | EV_ENABLE;
n = kevent(kq, &ev, 1, NULL, 0, NULL);
if (n == -1)
exit(1);
read(fd[[0]], buf, sizeof(buf));
ts.tv_sec = 0;
ts.tv_nsec = 0;
n = kevent(kq, NULL, 0, &ev, 1, &ts);
if (n == -1 || n == 0)
exit(1);
exit(0);
}, [AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_WORKING_KQUEUE)
LIBOBJS="$LIBOBJS kqueue.o"], AC_MSG_RESULT(no), AC_MSG_RESULT(no))
fi
fi
AC_OUTPUT(Makefile test/Makefile sample/Makefile)
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