Add script reading bootloader flags

[pub/lufa.git] / Bootloaders / makefile

diff --git a/Bootloaders/makefile b/Bootloaders/makefile
index bffee42..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
@@ -13,7 +13,7 @@
 # custom LUFA library build options are reflected in the compiled
 # code.
 
-PROJECT_DIRECTORIES = $(shell ls -d */)
+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
@@ -22,10 +22,14 @@ ifeq ($(MAKELEVEL), 10)
    $(error EMERGENCY ABORT: INFINITE RECURSION DETECTED)
 endif
 
-all:
-ifeq ($(OBJDIR),)
-       @$(foreach PROJECT, $(PROJECT_DIRECTORIES), $(MAKE) -s -C $(PROJECT) clean all;)
-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)
 
-%:
-       @$(foreach PROJECT, $(PROJECT_DIRECTORIES), $(MAKE) -s -C $(PROJECT) $@;)
+.PHONY: $(PROJECT_DIRECTORIES)