Squashed 'Sources/OpenVPN3/' content from commit 0a6e0b6e54

git-subtree-dir: Sources/OpenVPN3
git-subtree-split: 0a6e0b6e542c2d19de1f416c4caccd899d72831a

scripts/linux/build-lz4

@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+set -e
+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 ovpn3 dependency tree
+    exit 1
+fi
+cd $DEP_DIR
+rm -rf lz4
+mkdir lz4
+TARGET=linux $O3/core/deps/lz4/build-lz4
+exit 0