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# Check whether user wants TCP wrappers support
AC_DEFUN([AC_TCP_WRAPPERS],[
TCPW_MSG="no"
AC_ARG_WITH(tcp-wrappers,
[ --with-tcp-wrappers[[=PATH]] Enable tcpwrappers support
(optionally in PATH)],
with_tcpw=$withval, with_tcpw=yes)
if test "x$with_tcpw" != "xno" ; then
saved_LIBS="$LIBS"
saved_LDFLAGS="$LDFLAGS"
saved_CPPFLAGS="$CPPFLAGS"
if test -n "${with_tcpw}" -a "${with_tcpw}" != "yes"; then
if test -d "${with_tcpw}/lib"; then
if test -n "${need_dash_r}"; then
LDFLAGS="-L${with_tcpw}/lib -R${with_tcpw}/lib ${LDFLAGS}"
else
LDFLAGS="-L${with_tcpw}/lib ${LDFLAGS}"
fi
else
if test -n "${need_dash_r}"; then
LDFLAGS="-L${with_tcpw} -R${with_tcpw} ${LDFLAGS}"
else
LDFLAGS="-L${with_tcpw} ${LDFLAGS}"
fi
fi
if test -d "${with_tcpw}/include"; then
CPPFLAGS="-I${with_tcpw}/include ${CPPFLAGS}"
else
CPPFLAGS="-I${with_tcpw} ${CPPFLAGS}"
fi
fi
LIBWRAP="-lwrap"
LIBS="$LIBWRAP $LIBS"
AC_MSG_CHECKING(for libwrap)
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#include <tcpd.h>
int deny_severity = 0, allow_severity = 0;
]], [[hosts_access(0);]])],[
AC_MSG_RESULT(yes)
AC_SUBST(LIBWRAP)
AC_DEFINE([LIBWRAP], [1], [tcp-wrapper])
AC_DEFINE([HAVE_LIBWRAP], [1], [tcp-wrapper])
AC_DEFINE([HAVE_TCP_WRAPPER], [1], [tcp-wrapper])
TCPW_MSG="yes"
],[
AC_MSG_ERROR([*** libwrap missing])
])
LIBS="$saved_LIBS"
fi
AC_SUBST(LIBWRAP)
AC_SUBST(HAVE_LIBWRAP)
AC_SUBST(HAVE_TCP_WRAPPER)
])
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