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dnl Check to see if we should use the included tevent
INCLUDED_TEVENT=auto
AC_ARG_WITH(included-tevent,
[AC_HELP_STRING([--with-included-tevent], [use bundled tevent library, not from system])],
[ INCLUDED_TEVENT=$withval ])
AC_SUBST(TEVENT_LIBS)
AC_SUBST(TEVENT_CFLAGS)
if test x"$INCLUDED_TEVENT" != x"yes" ; then
AC_CHECK_HEADERS(tevent.h)
AC_CHECK_LIB(tevent, tevent_context_init, [ TEVENT_LIBS="-ltevent" ])
AC_CHECK_DECLS([TEVENT_TRACE_BEFORE_WAIT],,, [[#include <tevent.h>]])
if test x"$ac_cv_header_tevent_h" = x"no" -o \
x"$ac_cv_lib_tevent_tevent_context_init" = x"no" -o \
x"$ac_cv_have_decl_TEVENT_TRACE_BEFORE_WAIT" = x"no" ; then
INCLUDED_TEVENT=yes
TEVENT_CFLAGS=""
else
INCLUDED_TEVENT=no
fi
fi
AC_MSG_CHECKING(whether to use included tevent)
AC_MSG_RESULT($INCLUDED_TEVENT)
if test x"$INCLUDED_TEVENT" != x"no" ; then
dnl find the tevent sources. This is meant to work both for
dnl standalone builds, and builds of packages using libtevent
teventdir=""
teventpaths="$srcdir $srcdir/lib/tevent $srcdir/tevent $srcdir/../tevent"
for d in $teventpaths; do
if test -f "$d/tevent.c"; then
teventdir="$d"
AC_SUBST(teventdir)
break
fi
done
if test x"$teventdir" = "x"; then
AC_MSG_ERROR([cannot find tevent source in $teventpaths])
fi
TEVENT_OBJ="tevent.o tevent_debug.o tevent_util.o"
TEVENT_OBJ="$TEVENT_OBJ tevent_fd.o tevent_timed.o tevent_immediate.o tevent_signal.o"
TEVENT_OBJ="$TEVENT_OBJ tevent_req.o tevent_wakeup.o tevent_queue.o"
TEVENT_OBJ="$TEVENT_OBJ tevent_standard.o tevent_select.o tevent_poll.o"
AC_SUBST(TEVENT_OBJ)
TEVENT_CFLAGS="-I$teventdir"
AC_SUBST(TEVENT_CFLAGS)
TEVENT_LIBS=""
AC_SUBST(TEVENT_LIBS)
AC_CHECK_HEADERS(sys/epoll.h)
AC_CHECK_FUNCS(epoll_create)
if test x"$ac_cv_header_sys_epoll_h" = x"yes" -a x"$ac_cv_func_epoll_create" = x"yes"; then
TEVENT_OBJ="$TEVENT_OBJ tevent_epoll.o"
AC_DEFINE(HAVE_EPOLL, 1, [Whether epoll available])
fi
tevent_num_signals_includes="$ac_includes_default
#include <signal.h>
"
tevent_num_signals=64
AC_CHECK_VALUEOF(NSIG, [$tevent_num_signals_includes])
v=$ac_cv_valueof_NSIG
test -n "$v" && test "$v" -gt "$tevent_num_signals" && {
tevent_num_signals=$v
}
AC_CHECK_VALUEOF(_NSIG, [$tevent_num_signals_includes])
v=$ac_cv_valueof__NSIG
test -n "$v" && test "$v" -gt "$tevent_num_signals" && {
tevent_num_signals=$v
}
AC_CHECK_VALUEOF(SIGRTMAX, [$tevent_num_signals_includes])
v=$ac_cv_valueof_SIGRTMAX
test -n "$v" && test "$v" -gt "$tevent_num_signals" && {
tevent_num_signals=$v
}
AC_CHECK_VALUEOF(SIGRTMIN, [$tevent_num_signals_includes])
v=$ac_cv_valueof_SIGRTMIN
test -n "$v" && {
v=`expr $v + $v`
}
test -n "$v" && test "$v" -gt "$tevent_num_signals" && {
tevent_num_signals=$v
}
AC_DEFINE_UNQUOTED(TEVENT_NUM_SIGNALS, $tevent_num_signals, [Max signal number value])
if test x"$VERSIONSCRIPT" != "x"; then
EXPORTSFILE=tevent.exports
AC_SUBST(EXPORTSFILE)
fi
fi
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