fix few issues of the OAI build tool for ubuntu 12.04

git-svn-id: http://svn.eurecom.fr/openair4G/trunk@6170 818b1a75-f10b-46b9-bf7c-635c3b92a50f

targets/build_helper.bash

@@ -157,6 +157,55 @@ make_certs(){
 
 }
 
+check_install_nettle(){
+    if [ ! -f ./.lock_oaibuild ]; then 
+	if [ $UBUNTU_REL = "12.04" ]; then 
+	    test_uninstall_package nettle-dev
+	    test_uninstall_package nettle-bin
+	
+	    if [ ! -d /usr/local/src/ ]; then
+		echo "/usr/local/src/ doesn't exist please create one"
+		exit -1
+	    fi
+	    
+	    if [ ! -w /usr/local/src/ ];  then
+		echo "You don't have permissions to write to /usr/local/src/, installing as a sudoer"
+		#	exit -1
+	    fi
+	    
+	    cd /usr/local/src/
+	    
+	    echo "Downloading nettle archive"
+	    
+	    if [ -f nettle-2.5.tar.gz ]; then
+		$SUDO rm -f nettle-2.5.tar.gz
+	    fi
+	    if [ -f nettle-2.5.tar ]; then
+		$SUDO rm -f nettle-2.5.tar
+	    fi
+	    if [ -d nettle-2.5 ];  then
+		$SUDO rm -rf nettle-2.5/
+	    fi
+	    
+	    
+	    $SUDO wget ftp://ftp.lysator.liu.se/pub/security/lsh/nettle-2.5.tar.gz 
+	    $SUDO gunzip nettle-2.5.tar.gz 
+	    $SUDO echo "Uncompressing nettle archive"
+	    $SUDO tar -xf nettle-2.5.tar
+	    cd nettle-2.5/
+	    $SUDO ./configure --disable-openssl --enable-shared --prefix=/usr 
+	    if [ $? -ne 0 ]; then
+		exit -1
+	    fi
+	    echo "Compiling nettle"
+	    $SUDO make -j $NUM_CPU  
+	    $SUDO make check 
+	    $SUDO make install 
+	    cd ../
+	fi
+    fi
+}
+
 check_install_freediamter(){
     
     if [ $UBUNTU_REL = "12.04" ]; then 
@@ -647,12 +696,17 @@ compile_ltesoftmodem() {
 	make  $SOFTMODEM_DIRECTIVES 
 	make -j $NUM_CPU $SOFTMODEM_DIRECTIVES 
         if [ $? -ne 0 ]; then
+            if [ ! -f ./lte-softmodem ]; then 
 		echo_error "Build lte-softmodem failed, returning"
 		return 1
 	    else 
 		cp -f ./lte-softmodem  $OPENAIR_TARGETS/bin
 		return 0	
 	    fi 
+	else
+	    cp -f ./lte-softmodem  $OPENAIR_TARGETS/bin
+	    return 0
+        fi
     else
         echo_error "make file for oai softmodem not found, returning"
         return 1

targets/build_oai.bash

@@ -312,6 +312,7 @@ build_enb(){
 	check_install_usrp_uhd_driver 
     fi
     check_install_asn1c
+    check_install_nettle
     
 ############################################
 # compile