Merge commit '82fea30fcce1d169de7ec42be84d079e0899519c' into feature/update-dependenies

OpenVPN Adapter/Vendors/openvpn/deps/lz4/build-lz4

@@ -5,17 +5,33 @@ if [ -z "$O3" ]; then
     echo O3 var must point to ovpn3 tree
     exit 1
 fi
+if [ -z "$DEP_DIR" ]; then
+    echo DEP_DIR var must point to dependency build folder
+    exit 1
+fi
+if [ -z "$DL" ]; then
+    echo DL var must point to the download folder
+    exit 1
+fi
+
 if [ -z "$TARGET" ]; then
     echo TARGET var must be defined
     exit 1
 fi
 
-[ -z "$DL" ] && DL=~/Downloads
-
 # source vars
 . $O3/core/vars/vars-${TARGET}
 . $O3/core/deps/lib-versions
 
+# source helper functions
+. $O3/core/deps/functions.sh
+
+FNAME=${LZ4_VERSION}.tar.gz
+PN=${LZ4_VERSION#*-}
+URL=https://github.com/lz4/lz4/archive/v${PN}.tar.gz
+CSUM=${LZ4_CSUM}
+
+download
 
 CC=cc
 LD=ld