+DEB_DEPENDS += python3-dev # needed for python3 -m pip install psutil
+# python3.6 on 16.04 requires python36-dev
+
+ifeq ($(OS_VERSION_ID),16.04)
+ DEB_DEPENDS += python-dev
+ DEB_DEPENDS += libssl-dev
+else ifeq ($(OS_VERSION_ID),18.04)
+ DEB_DEPENDS += python-dev