From d201613b477106ba85e32845542d5f73163fe5d5 Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@anytun.org>
Date: Sun, 29 Jun 2014 15:53:21 +0000
Subject: merged trunk changes to rail branch

---
 src/configure | 29 ++++++++++++++++++++++++++---
 1 file changed, 26 insertions(+), 3 deletions(-)

(limited to 'src/configure')

diff --git a/src/configure b/src/configure
index 542b4b4..16d5cc7 100755
--- a/src/configure
+++ b/src/configure
@@ -11,7 +11,7 @@
 #  tunnel endpoints.  It has less protocol overhead than IPSec in Tunnel
 #  mode and allows tunneling of every ETHER TYPE protocol (e.g.
 #  ethernet, ip, arp ...). satp directly includes cryptography and
-#  message authentication based on the methodes used by SRTP.  It is
+#  message authentication based on the methods used by SRTP.  It is
 #  intended to deliver a generic, scaleable and secure solution for
 #  tunneling and relaying of packets of any protocol.
 #
@@ -33,6 +33,19 @@
 #  You should have received a copy of the GNU General Public License
 #  along with uAnytun. If not, see <http://www.gnu.org/licenses/>.
 #
+#   In addition, as a special exception, the copyright holders give
+#   permission to link the code of portions of this program with the
+#   OpenSSL library under certain conditions as described in each
+#   individual source file, and distribute linked combinations
+#   including the two.
+#   You must obey the GNU General Public License in all respects
+#   for all of the code used other than OpenSSL.  If you modify
+#   file(s) with this exception, you may extend this exception to your
+#   version of the file(s), but you are not obligated to do so.  If you
+#   do not wish to do so, delete this exception statement from your
+#   version.  If you delete this exception statement from all source
+#   files in the program, then also delete it here.
+#
 
 TARGET=`uname -s`
 EBUILD_COMPAT=0
@@ -61,7 +74,8 @@ print_usage() {
   echo "          --examplesdir=<DIR>       the path to the examples files (default: $PREFIX/share/examples)"
   echo "          --no-examples             dont't install example files"
   echo "          --use-gcrypt              use libgcrypt (this is the default)"
-  echo "          --use-ssl-crypto          use ssl crypto library instead of libgcrypt"
+  echo "          --use-nettle              use libnettle instead of libgcrypt"
+  echo "          --use-ssl-crypto          use openssl crypto library instead of libgcrypt"
   echo "          --no-crypto               disable crypto at all (only NULL cipher)"
   echo "          --disable-passphrase      disable master key and salt passphrase"
   echo "          --enable-passphrase       enable master key and salt passphrase"
@@ -101,6 +115,9 @@ do
   --use-gcrypt)
     CRYPTO_LIB='gcrypt'
   ;;
+  --use-nettle)
+    CRYPTO_LIB='nettle'
+  ;;
   --use-ssl-crypto)
     CRYPTO_LIB='ssl'
   ;;
@@ -169,8 +186,14 @@ esac
 
 case $CRYPTO_LIB in
   gcrypt)
+    CFLAGS=$CFLAGS' -DUSE_GCRYPT'
     LDFLAGS=$LDFLAGS' -lgcrypt'
-    echo "using libgcrypt library"
+    echo "using gcrypt library"
+  ;;
+  nettle)
+    CFLAGS=$CFLAGS' -DUSE_NETTLE'
+    LDFLAGS=$LDFLAGS' -lnettle'
+    echo "using nettle library"
   ;;
   ssl)
     CFLAGS=$CFLAGS' -DUSE_SSL_CRYPTO'
-- 
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