aclocal/tcp-wrappers.m4

   1 # Check whether user wants TCP wrappers support
   2 AC_DEFUN([AC_TCP_WRAPPERS],[
   3   TCPW_MSG="no"
   4   AC_ARG_WITH(tcp-wrappers,
   5     [  --with-tcp-wrappers[[=PATH]]      Enable tcpwrappers support
   6                  (optionally in PATH)],
   7     [
   8         if test "x$withval" != "xno" ; then
   9             saved_LIBS="$LIBS"
  10             saved_LDFLAGS="$LDFLAGS"
  11             saved_CPPFLAGS="$CPPFLAGS"
  12             if test -n "${withval}" -a "${withval}" != "yes"; then
  13                 if test -d "${withval}/lib"; then
  14                     if test -n "${need_dash_r}"; then
  15                         LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
  16                     else
  17                         LDFLAGS="-L${withval}/lib ${LDFLAGS}"
  18                     fi
  19                 else
  20                     if test -n "${need_dash_r}"; then
  21                         LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
  22                     else
  23                         LDFLAGS="-L${withval} ${LDFLAGS}"
  24                     fi
  25                 fi
  26                 if test -d "${withval}/include"; then
  27                     CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
  28                 else
  29                     CPPFLAGS="-I${withval} ${CPPFLAGS}"
  30                 fi
  31             fi
  32             LIBWRAP="-lwrap"
  33             LIBS="$LIBWRAP $LIBS"
  34             AC_MSG_CHECKING(for libwrap)
  35             AC_LINK_IFELSE([AC_LANG_PROGRAM([[
  36                 #include <tcpd.h>
  37                 int deny_severity = 0, allow_severity = 0;
  38                 ]], [[hosts_access(0);]])],[
  39                 AC_MSG_RESULT(yes)
  40                 AC_SUBST(LIBWRAP)
  41                 AC_DEFINE([LIBWRAP], [1], [tcp-wrapper])
  42                 AC_DEFINE([HAVE_LIBWRAP], [1], [tcp-wrapper])
  43                 AC_DEFINE([HAVE_TCP_WRAPPER], [1], [tcp-wrapper])
  44                 TCPW_MSG="yes"
  45                 ],[
  46                 AC_MSG_ERROR([*** libwrap missing])
  47
  48             ])
  49             LIBS="$saved_LIBS"
  50         fi
  51     ]
  52   )
  53   AC_SUBST(LIBWRAP)
  54   AC_SUBST(HAVE_LIBWRAP)
  55   AC_SUBST(HAVE_TCP_WRAPPER)
  56 ])