Mark build test makefiles as being incompatible with parallel make builds, as they...

[pub/USBasp.git] / Projects / makefile

diff --git a/Projects/makefile b/Projects/makefile
index e3ae1f0..f4b4111 100644 (file)
--- a/Projects/makefile
+++ b/Projects/makefile
@@ -1,6 +1,6 @@
 #
 #             LUFA Library
-#     Copyright (C) Dean Camera, 2011.
+#     Copyright (C) Dean Camera, 2012.
 #
 #  dean [at] fourwalledcubicle [dot] com
 #           www.lufa-lib.org
@@ -13,49 +13,35 @@
 # custom LUFA library build options are reflected in the compiled
 # code.
 
-all:
-       $(MAKE) -C AVRISP-MKII clean
-       $(MAKE) -C AVRISP-MKII all
-
-       $(MAKE) -C Benito clean
-       $(MAKE) -C Benito all
-
-       $(MAKE) -C LEDNotifier clean
-       $(MAKE) -C LEDNotifier all
-
-       $(MAKE) -C Magstripe clean
-       $(MAKE) -C Magstripe all
-
-       $(MAKE) -C MIDIToneGenerator clean
-       $(MAKE) -C MIDIToneGenerator all
-
-       $(MAKE) -C MissileLauncher clean
-       $(MAKE) -C MissileLauncher all
-
-       $(MAKE) -C RelayBoard clean
-       $(MAKE) -C RelayBoard all
-
-       $(MAKE) -C TempDataLogger clean
-       $(MAKE) -C TempDataLogger all
-
-       $(MAKE) -C USBtoSerial clean
-       $(MAKE) -C USBtoSerial all
-
-       $(MAKE) -C Webserver clean
-       $(MAKE) -C Webserver all
-
-       $(MAKE) -C XPLAINBridge clean
-       $(MAKE) -C XPLAINBridge all
-
-%:
-       $(MAKE) -C AVRISP-MKII $@
-       $(MAKE) -C Benito $@
-       $(MAKE) -C LEDNotifier $@
-       $(MAKE) -C Magstripe $@
-       $(MAKE) -C MissileLauncher $@
-       $(MAKE) -C RelayBoard $@
-       $(MAKE) -C TempDataLogger $@
-       $(MAKE) -C USBtoSerial $@
-       $(MAKE) -C Webserver $@
-       $(MAKE) -C XPLAINBridge $@
+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)