--- a/make/common/JavaCompilation.gmk	Thu Jan 15 16:36:24 2015 +0100
+++ b/make/common/JavaCompilation.gmk	Fri Jan 16 16:02:09 2015 +0100
@@ -65,7 +65,7 @@
 endef
 
 define SetupJavaCompilerInner
-  $(foreach i,2 3 4 5 6 7 8 9 10 11 12 13 14 15, $(if $($i),$1_$(strip $($i)))$(NEWLINE))
+  $(foreach i,2 3 4 5 6 7 8 9 10 11 12 13 14 15, $(if $(strip $($i)),$1_$(strip $($i)))$(NEWLINE))
   $(call LogSetupMacroEntry,SetupJavaCompiler($1),$2,$3,$4,$5,$6,$7,$8,$9,$(10),$(11),$(12),$(13),$(14),$(15))
   $(if $(16),$(error Internal makefile error: Too many arguments to SetupJavaCompiler, please update JavaCompilation.gmk))
 
@@ -84,6 +84,9 @@
 # Parameter 1 is the name of the rule. This name is used as variable prefix,
 # and the targets generated are listed in a variable by that name.
 #
+# Parameter 2 is a list of dependencies for the jar target. If left empty,
+# dependencies are searched using SRCS, which should not be empty.
+#
 # Remaining parameters are named arguments. These include:
 #   SRCS:=List of directories in where to find files to add to archive
 #   SUFFIXES:=File suffixes to include in jar
@@ -106,7 +109,7 @@
 
 define SetupArchiveInner
   # NOTE: $2 is dependencies, not a named argument!
-  $(foreach i,3 4 5 6 7 8 9 10 11 12 13 14 15, $(if $($i),$1_$(strip $($i)))$(NEWLINE))
+  $(foreach i,3 4 5 6 7 8 9 10 11 12 13 14 15, $(if $(strip $($i)),$1_$(strip $($i)))$(NEWLINE))
   $(call LogSetupMacroEntry,SetupArchive($1),<dependencies>,$3,$4,$5,$6,$7,$8,$9,$(10),$(11),$(12),$(13),$(14),$(15))
   $(if $(findstring $(LOG_LEVEL),trace), $(info *[2] <dependencies> = $(strip $2)))
   $(if $(16),$(error Internal makefile error: Too many arguments to SetupArchive, please update JavaCompilation.gmk))
@@ -413,10 +416,15 @@
 endef
 
 define SetupJavaCompilationInner
-  $(foreach i,2 3 4 5 6 7 8 9 10 11 12 13 14 15, $(if $($i),$1_$(strip $($i)))$(NEWLINE))
+  $(foreach i,2 3 4 5 6 7 8 9 10 11 12 13 14 15, $(if $(strip $($i)),$1_$(strip $($i)))$(NEWLINE))
   $(call LogSetupMacroEntry,SetupJavaCompilation($1),$2,$3,$4,$5,$6,$7,$8,$9,$(10),$(11),$(12),$(13),$(14),$(15))
   $(if $(16),$(error Internal makefile error: Too many arguments to SetupJavaCompilation, please update JavaCompilation.gmk))
 
+  # Verify arguments
+  ifeq ($$($1_BIN),)
+    $$(error Must specify BIN (in $1))
+  endif
+
   # Extract the info from the java compiler setup.
   $1_JVM := $$($$($1_SETUP)_JVM)
   $1_JAVAC := $$($$($1_SETUP)_JAVAC)