diff -r 633f2378c904 -r c8d320b48626 common/makefiles/IdlCompilation.gmk
--- a/common/makefiles/IdlCompilation.gmk	Mon Jun 25 21:37:09 2012 -0700
+++ b/common/makefiles/IdlCompilation.gmk	Tue Jul 03 16:11:12 2012 -0700
@@ -87,6 +87,8 @@
 $(if $7,$1_$(strip $7))
 $(if $8,$1_$(strip $8))
 $(if $9,$1_$(strip $9))
+$(if $(10),$(error Internal makefile error: Too many arguments to SetupIdlCompilation, please update IdlCompilation.gmk))
+
 # Remove any relative addressing in the paths.
 $1_SRC := $$(abspath $$($1_SRC))
 $1_BIN := $$(abspath $$($1_BIN))
@@ -111,4 +113,3 @@
 endef
 
 .SUFFIXES: .java .class .package
-