dnl
dnl This file is part of Trivial IP Encryption (TrIPE).
dnl
-dnl TrIPE is free software; you can redistribute it and/or modify
-dnl it under the terms of the GNU General Public License as published by
-dnl the Free Software Foundation; either version 2 of the License, or
-dnl (at your option) any later version.
+dnl TrIPE is free software: you can redistribute it and/or modify it under
+dnl the terms of the GNU General Public License as published by the Free
+dnl Software Foundation; either version 3 of the License, or (at your
+dnl option) any later version.
dnl
-dnl TrIPE is distributed in the hope that it will be useful,
-dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
-dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-dnl GNU General Public License for more details.
+dnl TrIPE is distributed in the hope that it will be useful, but WITHOUT
+dnl ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+dnl FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+dnl for more details.
dnl
dnl You should have received a copy of the GNU General Public License
-dnl along with TrIPE; if not, write to the Free Software Foundation,
-dnl Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+dnl along with TrIPE. If not, see <https://www.gnu.org/licenses/>.
dnl--------------------------------------------------------------------------
dnl Initialization.
AX_CFLAGS_WARN_ALL
AX_TYPE_SOCKLEN_T
AC_CANONICAL_HOST
-AM_PROG_LIBTOOL
+AC_PROG_RANLIB
AC_CHECK_PROGS([AUTOM4TE], [autom4te])
;;
esac
-PKG_CHECK_MODULES([mLib], [mLib >= 2.2.1])
-PKG_CHECK_MODULES([catacomb], [catacomb >= 2.2.2-38])
+AC_CHECK_FUNCS([getifaddrs])
+
+AC_ARG_WITH([adns],
+ AS_HELP_STRING([--with-adns],
+ [use ADNS library for background name resolution]),
+ [want_adns=$withval],
+ [want_adns=auto])
+case $want_adns in
+ no) ;;
+ *) AC_CHECK_LIB([adns], [adns_submit], [have_adns=yes], [have_adns=no]) ;;
+esac
+AC_SUBST([ADNS_LIBS])
+case $want_adns,$have_adns in
+ yes,no)
+ AC_MSG_ERROR([ADNS library not found but explicitly requested])
+ ;;
+ yes,yes | auto,yes)
+ ADNS_LIBS="-ladns"
+ AC_DEFINE([HAVE_LIBADNS], [1],
+ [Define if the GNU adns library is available.])
+ ;;
+esac
+
+PKG_CHECK_MODULES([mLib], [mLib >= 2.4.1])
+PKG_CHECK_MODULES([catacomb], [catacomb >= 2.5.0])
AM_CFLAGS="$AM_CFLAGS $mLib_CFLAGS $catacomb_CFLAGS"