Squashed 'OpenVPN Adapter/Vendors/openvpn/' content from commit da99df6

git-subtree-dir: OpenVPN Adapter/Vendors/openvpn
git-subtree-split: da99df69492256d7a18bbea303ae98457782a4bf

scripts/linux/build-boost

@@ -0,0 +1,18 @@
+#!/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 $DEP_DIR
+
+rm -rf boost
+mkdir boost
+
+export TARGETS="linux"
+
+$O3/core/deps/boost/build-boost
+exit 0