AC_DEFUN([DOVECOT_LIBWRAP], [

have_libwrap=no

if test $want_libwrap != no; then

AC_CHECK_HEADER(tcpd.h, [

old_LIBS=$LIBS

AC_CACHE_CHECK([whether we have libwrap],i_cv_have_libwrap,[

AC_TRY_COMPILE([

#include <tcpd.h>

int allow_severity = 0;

int deny_severity = 0;

], [

request_init((void *)0);

], [

i_cv_have_libwrap=yes

], [

i_cv_have_libwrap=no

])

])

if test $i_cv_have_libwrap = yes; then

AC_DEFINE(HAVE_LIBWRAP,, [Define if you have libwrap])

LIBWRAP_LIBS=-lwrap

AC_SUBST(LIBWRAP_LIBS)

have_libwrap=yes

else

if test "$want_libwrap" = "yes"; then

AC_ERROR([Can't build with libwrap support: libwrap not found])

fi

fi

LIBS=$old_LIBS

], [

if test "$want_libwrap" = "yes"; then

AC_ERROR([Can't build with libwrap support: tcpd.h not found])

fi

])

fi

AM_CONDITIONAL(TCPWRAPPERS, test "$have_libwrap" = "yes")

])