Add script reading bootloader flags

[pub/lufa.git] / Bootloaders / makefile

diff --git a/Bootloaders/makefile b/Bootloaders/makefile
index c9f4941..0efe524 100644 (file)
--- 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)