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construct/libratbox/acinclude.m4

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# $Id: acinclude.m4 23020 2006-09-01 18:20:19Z androsyn $ - aclocal.m4 - Autoconf fun...
AC_DEFUN([AC_DEFINE_DIR], [
test "x$prefix" = xNONE && prefix="$ac_default_prefix"
test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'
ac_define_dir=`eval echo [$]$2`
ac_define_dir=`eval echo [$]ac_define_dir`
$1="$ac_define_dir"
AC_SUBST($1)
ifelse($3, ,
AC_DEFINE_UNQUOTED($1, "$ac_define_dir"),
AC_DEFINE_UNQUOTED($1, "$ac_define_dir", $3))
])
AC_DEFUN([AC_SUBST_DIR], [
ifelse($2,,,$1="[$]$2")
$1=`(
test "x$prefix" = xNONE && prefix="$ac_default_prefix"
test "x$exec_prefix" = xNONE && exec_prefix="${prefix}"
eval echo \""[$]$1"\"
)`
AC_SUBST($1)
])
dnl IPv6 support macros..pretty much swiped from wget
dnl RB_PROTO_INET6
AC_DEFUN([RB_PROTO_INET6],[
AC_CACHE_CHECK([for INET6 protocol support], [rb_cv_proto_inet6],[
AC_TRY_CPP([
#include <sys/types.h>
#include <sys/socket.h>
#ifndef PF_INET6
#error Missing PF_INET6
#endif
#ifndef AF_INET6
#error Mlssing AF_INET6
#endif
],[
rb_cv_proto_inet6=yes
],[
rb_cv_proto_inet6=no
])
])
if test "X$rb_cv_proto_inet6" = "Xyes"; then :
$1
else :
$2
fi
])
AC_DEFUN([RB_TYPE_STRUCT_SOCKADDR_IN6],[
rb_have_sockaddr_in6=
AC_CHECK_TYPES([struct sockaddr_in6],[
rb_have_sockaddr_in6=yes
],[
rb_have_sockaddr_in6=no
],[
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
])
if test "X$rb_have_sockaddr_in6" = "Xyes"; then :
$1
else :
$2
fi
])
AC_DEFUN([RB_CHECK_TIMER_CREATE],
[AC_CACHE_CHECK([for a working timer_create(CLOCK_REALTIME)],
[rb__cv_timer_create_works],
[AC_TRY_RUN([
#ifdef HAVE_TIME_H
#include <time.h>
#endif
#ifdef HAVE_SIGNAL_H
#include <signal.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
int main(int argc, char *argv[])
{
#if HAVE_TIMER_CREATE
struct sigevent ev;
timer_t timer;
ev.sigev_notify = SIGEV_SIGNAL;
ev.sigev_signo = SIGVTALRM;
if (timer_create(CLOCK_REALTIME, &ev, &timer) != 0) {
return 1;
}
#else
return 1;
#endif
return 0;
}
],
[rb__cv_timer_create_works=yes],
[rb__cv_timer_create_works=no])
])
case $rb__cv_timer_create_works in
yes) AC_DEFINE([USE_TIMER_CREATE], 1,
[Define to 1 if we can use timer_create(CLOCK_REALTIME,...)]);;
esac
])
AC_DEFUN([RB_CHECK_TIMERFD_CREATE],
[AC_CACHE_CHECK([for a working timerfd_create(CLOCK_REALTIME)],
[rb__cv_timerfd_create_works],
[AC_TRY_RUN([
#ifdef HAVE_TIME_H
#include <time.h>
#endif
#ifdef HAVE_SIGNAL_H
#include <signal.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_SYS_TIMERFD_H
#include <sys/timerfd.h>
#endif
int main(int argc, char *argv[])
{
#if defined(HAVE_TIMERFD_CREATE) && defined(HAVE_SYS_TIMERFD_H)
if (timerfd_create(CLOCK_REALTIME, 0) < 0) {
return 1;
}
#else
return 1;
#endif
return 0;
}
],
[rb__cv_timerfd_create_works=yes],
[rb__cv_timerfd_create_works=no])
])
case $rb__cv_timerfd_create_works in
yes) AC_DEFINE([USE_TIMERFD_CREATE], 1,
[Define to 1 if we can use timerfd_create(CLOCK_REALTIME,...)]);;
esac
])