X-Git-Url: http://git.linex4red.de/pub/lufa.git/blobdiff_plain/c3dd6ac7814ce17004a9e4f0d965d606b1d7c35c..refs/heads/ProMicro:/Bootloaders/makefile

diff --git a/Bootloaders/makefile b/Bootloaders/makefile
index c9f494182..0efe52420 100644
--- a/Bootloaders/makefile
+++ b/Bootloaders/makefile
@@ -1,6 +1,6 @@
 #
 #             LUFA Library
-#     Copyright (C) Dean Camera, 2012.
+#     Copyright (C) Dean Camera, 2021.
 #
 #  dean [at] fourwalledcubicle [dot] com
 #           www.lufa-lib.org
@@ -13,18 +13,23 @@
 # custom LUFA library build options are reflected in the compiled
 # code.
 
-all:
-	$(MAKE) -C CDC clean
-	$(MAKE) -C CDC all
+PROJECT_DIRECTORIES := $(shell ls -d */)
 
-	$(MAKE) -C HID clean
-	$(MAKE) -C HID all
+# This makefile is potentially infinitely recursive if something really bad
+# happens when determining the set of project directories - hard-abort if
+# more than 10 levels deep to avoid angry emails.
+ifeq ($(MAKELEVEL), 10)
+   $(error EMERGENCY ABORT: INFINITE RECURSION DETECTED)
+endif
 
-	$(MAKE) -C DFU clean
-	$(MAKE) -C DFU all
+# Build each directory sequentially, even if we are building using multiple
+# cores within each project
+.NOTPARALLEL:
 
-%:
-	$(MAKE) -C CDC $@
-	$(MAKE) -C DFU $@
-	$(MAKE) -C HID $@
+%: $(PROJECT_DIRECTORIES)
+	@echo . > /dev/null
 
+$(PROJECT_DIRECTORIES):
+	@$(MAKE) -C $@ $(MAKECMDGOALS)
+
+.PHONY: $(PROJECT_DIRECTORIES)