X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/b9b03aadb219d06fbad9d110e508db93e45461af..5cae54154506176d64a581c5b3d9550c901b570c:/Demos/Device/ClassDriver/makefile

diff --git a/Demos/Device/ClassDriver/makefile b/Demos/Device/ClassDriver/makefile
index 6c21911e9..435bd54fc 100644
--- a/Demos/Device/ClassDriver/makefile
+++ b/Demos/Device/ClassDriver/makefile
@@ -1,9 +1,9 @@
 #
 #             LUFA Library
-#     Copyright (C) Dean Camera, 2009.
-#              
+#     Copyright (C) Dean Camera, 2013.
+#
 #  dean [at] fourwalledcubicle [dot] com
-#      www.fourwalledcubicle.com
+#           www.lufa-lib.org
 #
 
 # Makefile to build all the LUFA Device Demos. Call with "make all" to
@@ -13,57 +13,34 @@
 # custom LUFA library build options are reflected in the compiled
 # code.
 
-all:
-	make -C AudioInput clean
-	make -C AudioInput all
-
-	make -C AudioOutput clean
-	make -C AudioOutput all
-
-	make -C CDC clean
-	make -C CDC all
-
-	make -C DualCDC clean
-	make -C DualCDC all
-
-	make -C GenericHID clean
-	make -C GenericHID all
-
-	make -C Joystick clean
-	make -C Joystick all
-
-	make -C Keyboard clean
-	make -C Keyboard all
-
-	make -C KeyboardMouse clean
-	make -C KeyboardMouse all
-
-	make -C MassStorage clean
-	make -C MassStorage all
-
-	make -C MIDI clean
-	make -C MIDI all
-
-	make -C Mouse clean
-	make -C Mouse all
-
-	make -C RNDISEthernet clean
-	make -C RNDISEthernet all
-
-	make -C USBtoSerial clean
-	make -C USBtoSerial all
-
-%:
-	make -C AudioInput $@
-	make -C AudioOutput $@
-	make -C CDC $@
-	make -C DualCDC $@
-	make -C GenericHID $@
-	make -C Joystick $@
-	make -C Keyboard $@
-	make -C KeyboardMouse $@
-	make -C MassStorage $@
-	make -C MIDI $@
-	make -C Mouse $@
-	make -C RNDISEthernet $@
-	make -C USBtoSerial $@
+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)
+   $(error EMERGENCY ABORT: INFINITE RECURSION DETECTED)
+endif
+
+# Need to special-case building without a per-project object directory
+ifeq ($(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)