#
# LUFA Library
-# Copyright (C) Dean Camera, 2012.
+# Copyright (C) Dean Camera, 2021.
#
# dean [at] fourwalledcubicle [dot] com
# www.lufa-lib.org
# custom LUFA library build options are reflected in the compiled
# code.
-all:
- $(MAKE) -s -C AndroidAccessoryHost clean all
- $(MAKE) -s -C AudioInputHost clean all
- $(MAKE) -s -C AudioOutputHost clean all
- $(MAKE) -s -C JoystickHostWithParser clean all
- $(MAKE) -s -C KeyboardHost clean all
- $(MAKE) -s -C KeyboardHostWithParser clean all
- $(MAKE) -s -C MassStorageHost clean all
- $(MAKE) -s -C MIDIHost clean all
- $(MAKE) -s -C MouseHost clean all
- $(MAKE) -s -C MouseHostWithParser clean all
- $(MAKE) -s -C PrinterHost clean all
- $(MAKE) -s -C RNDISEthernetHost clean all
- $(MAKE) -s -C StillImageHost clean all
- $(MAKE) -s -C VirtualSerialHost clean all
-
-%:
- $(MAKE) -s -C AndroidAccessoryHost $@
- $(MAKE) -s -C AudioInputHost $@
- $(MAKE) -s -C AudioOutputHost $@
- $(MAKE) -s -C JoystickHostWithParser $@
- $(MAKE) -s -C KeyboardHost $@
- $(MAKE) -s -C KeyboardHostWithParser $@
- $(MAKE) -s -C MassStorageHost $@
- $(MAKE) -s -C MIDIHost $@
- $(MAKE) -s -C MouseHost $@
- $(MAKE) -s -C MouseHostWithParser $@
- $(MAKE) -s -C PrinterHost $@
- $(MAKE) -s -C RNDISEthernetHost $@
- $(MAKE) -s -C StillImageHost $@
- $(MAKE) -s -C VirtualSerialHost $@
+PROJECT_DIRECTORIES := $(shell ls -d */)
+# This makefile is potentially infinitely recursive if something really bad
+# happens when determining the set of project directories - hard-abort if
+# more than 10 levels deep to avoid angry emails.
+ifeq ($(MAKELEVEL), 10)
+ $(error EMERGENCY ABORT: INFINITE RECURSION DETECTED)
+endif
+
+# Build each directory sequentially, even if we are building using multiple
+# cores within each project
+.NOTPARALLEL:
+
+%: $(PROJECT_DIRECTORIES)
+ @echo . > /dev/null
+
+$(PROJECT_DIRECTORIES):
+ @$(MAKE) -C $@ $(MAKECMDGOALS)
+
+.PHONY: $(PROJECT_DIRECTORIES)