macros/tcp-wrappers.m4

   1
   2 AC_DEFUN([AC_NETATALK_TCP_WRAPPERS], [
   3         check=maybe
   4         AC_ARG_ENABLE(tcp-wrappers,
   5                 [  --disable-tcp-wrappers  disable TCP wrappers support],
   6                 [
   7                         if test "x$enableval" = "xno"; then
   8                                 wrapcheck=no
   9                         else
  10                                 wrapcheck=yes
  11                         fi
  12                 ]
  13         )
  14
  15         enable=no
  16         netatalk_cv_tcpwrap=no
  17         if test "x$wrapcheck" != "xno"; then
  18                 saved_LIBS=$LIBS
  19                 W_LIBS="-lwrap"
  20                 LIBS="$LIBS $W_LIBS"
  21                 AC_TRY_LINK([ int allow_severity = 0; int deny_severity = 0;]
  22                         ,[hosts_access();]
  23                         , netatalk_cv_tcpwrap=yes ,
  24                         [
  25                                 LIBS=$saved_LIBS
  26                                 W_LIBS="-lwrap -lnsl"
  27                                 LIBS="$LIBS $W_LIBS"
  28                                 AC_TRY_LINK([ int allow_severity = 0; int deny_severity = 0;]
  29                                         ,[hosts_access();]
  30                                         , netatalk_cv_tcpwrap=yes , netatalk_cv_tcpwrap=no)
  31                         ]
  32                         , netatalk_cv_tcpwrap=cross)
  33
  34                 LIBS=$saved_LIBS
  35         fi
  36
  37         AC_MSG_CHECKING([whether to enable the TCP wrappers])
  38         if test "x$netatalk_cv_tcpwrap" = "xyes"; then
  39                 AC_DEFINE(TCPWRAP, 1, [Define if TCP wrappers should be used])
  40                 WRAP_LIBS=$W_LIBS
  41                 AC_MSG_RESULT([yes])
  42         else
  43                 if test "x$wrapcheck" = "xyes"; then
  44                         AC_MSG_ERROR([libwrap not found])
  45                 else
  46                         AC_MSG_RESULT([no])
  47                 fi
  48         fi
  49
  50         AC_SUBST(WRAP_LIBS)
  51 ])