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utils/makefile.lxc

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+# -*- coding: utf-8; mode: makefile-gmake -*-
+#
+# LXC environment
+# ===============
+#
+# To activate/deactivate LXC makefile environment in a container, set/unset link
+# from root '/.lxcenv.mk' to *this* file::
+#
+#   sudo make ./utils/makefile.lxc lxc-activate
+#   sudo make ./utils/makefile.lxc lxc-deactivate
+
+LXC_ENV_FOLDER=lxc-env/$(shell hostname)/
+
+lxc-help::
+	@echo  '  LXC: running in container LXC_ENV_FOLDER=$(LXC_ENV_FOLDER)'
+
+# If not activated, serve target 'lxc-activate' ..
+ifeq (,$(wildcard /.lxcenv.mk))
+PHONY += lxc-activate
+lxc-activate:
+	ln -s "$(abspath $(lastword $(MAKEFILE_LIST)))" "/.lxcenv.mk"
+else
+# .. and if activated, serve target 'lxc-deactivate'.
+PHONY += lxc-deactivate
+lxc-deactivate:
+	rm /.lxcenv.mk
+$(LXC_ENV_FOLDER):
+	$(Q)mkdir -p $(LXC_ENV_FOLDER)
+	$(Q)echo placeholder > $(LXC_ENV_FOLDER).placeholder
+endif
+
+.PHONY: $(PHONY)