3 files changed, 40 insertions, 12 deletions
diff --git a/Demos/DualRole/ClassDriver/MouseHostDevice/makefile b/Demos/DualRole/ClassDriver/MouseHostDevice/makefile
index a04f5336..f979d02c 100644
--- a/Demos/DualRole/ClassDriver/MouseHostDevice/makefile
+++ b/Demos/DualRole/ClassDriver/MouseHostDevice/makefile
@@ -17,7 +17,7 @@ F_USB        = $(F_CPU)
 OPTIMIZATION = s
 TARGET       = MouseHostDevice
 SRC          = $(TARGET).c Descriptors.c DeviceFunctions.c HostFunctions.c $(LUFA_SRC_USB) $(LUFA_SRC_USBCLASS) $(LUFA_SRC_SERIAL)
-LUFA_PATH    = ../../../../LUFA/
+LUFA_PATH    = ../../../../LUFA
 CC_FLAGS     = -DUSE_LUFA_CONFIG_HEADER -IConfig/
 LD_FLAGS     =
 
@@ -25,9 +25,12 @@ LD_FLAGS     =
 all:
 
 # Include LUFA build script makefiles
-include $(LUFA_PATH)/Build/lufa.core.in
-include $(LUFA_PATH)/Build/lufa.sources.in
-include $(LUFA_PATH)/Build/lufa.build.in
-include $(LUFA_PATH)/Build/lufa.doxygen.in
-include $(LUFA_PATH)/Build/lufa.dfu.in
-include $(LUFA_PATH)/Build/lufa.avrdude.in
+include $(LUFA_PATH)/Build/lufa_core.mk
+include $(LUFA_PATH)/Build/lufa_sources.mk
+include $(LUFA_PATH)/Build/lufa_build.mk
+include $(LUFA_PATH)/Build/lufa_cppcheck.mk
+include $(LUFA_PATH)/Build/lufa_doxygen.mk
+include $(LUFA_PATH)/Build/lufa_dfu.mk
+include $(LUFA_PATH)/Build/lufa_hid.mk
+include $(LUFA_PATH)/Build/lufa_avrdude.mk
+include $(LUFA_PATH)/Build/lufa_atprogram.mk
diff --git a/Demos/DualRole/ClassDriver/makefile b/Demos/DualRole/ClassDriver/makefile
index 28e06a3c..6d16493e 100644
--- a/Demos/DualRole/ClassDriver/makefile
+++ b/Demos/DualRole/ClassDriver/makefile
@@ -13,9 +13,34 @@
 # custom LUFA library build options are reflected in the compiled
 # code.
 
-all:
-	$(MAKE) -s -C MouseHostDevice clean all
+PROJECT_DIRECTORIES := $(shell ls -d */)
 
-%:
-	$(MAKE) -s -C MouseHostDevice $@
+# This makefile is potentially infinitely recursive if something really bad
+# happens when determining the set of project directories - hard-abort if
+# more than 10 levels deep to avoid angry emails.
+ifeq ($(MAKELEVEL), 10)
+   $(error EMERGENCY ABORT: INFINITE RECURSION DETECTED)
+endif
 
+# Need to special-case building without a per-project object directory
+ifeq ($(OBJDIR),)
+   # If no target specified, force "clean all" and disallow parallel build   
+   ifeq ($(MAKECMDGOALS),)
+      MAKECMDGOALS := clean all
+      .NOTPARALLEL:
+   endif
+
+   # If one of the targets is to build, force "clean" beforehand and disallow parallel build   
+   ifneq ($(findstring all, $(MAKECMDGOALS)),)
+      MAKECMDGOALS := clean $(MAKECMDGOALS)
+      .NOTPARALLEL:
+   endif
+endif
+
+%: $(PROJECT_DIRECTORIES)
+	@echo . > /dev/null
+
+$(PROJECT_DIRECTORIES):
+	@$(MAKE) -C $@ $(MAKECMDGOALS)
+    
+.PHONY: $(PROJECT_DIRECTORIES)
diff --git a/Demos/DualRole/makefile b/Demos/DualRole/makefile
index dbfe9995..aaca6257 100644
--- a/Demos/DualRole/makefile
+++ b/Demos/DualRole/makefile
@@ -16,5 +16,5 @@
 all:
 
 %:
-	$(MAKE) -C ClassDriver/ $@
+	$(MAKE) -C ClassDriver $@