--- old/make/common/JavaCompilation.gmk	2014-12-08 12:59:47.392533885 +0100
+++ new/make/common/JavaCompilation.gmk	2014-12-08 12:59:47.296529888 +0100
@@ -382,10 +382,6 @@
   $2 := $$(subst $1,,$$($2))
 endef
 
-define replace_space_with_pathsep
-  $1:=$(subst $(SPACE),$(PATH_SEP),$(strip $(patsubst %,%,$2)))
-endef
-
 # Setup make rules for compiling Java source code to class files and/or a
 # resulting jar file.
 #
@@ -408,8 +404,6 @@
 #   INCLUDE_FILES:="com/sun/SolarisFoobar.java" means only compile this file!
 #   EXCLUDE_FILES:="com/sun/SolarisFoobar.java" means do not compile this particular file!
 #       "SolarisFoobar.java" means do not compile SolarisFoobar, wherever it is found.
-#   JAVAC_SOURCE_PATH_OVERRIDE:=This forces an explicit -sourcepath to javac instead of the complete
-#       source roots from SRC. This is sometimes needed when compiling specific subsets of the source.
 #   HEADERS:=path to directory where all generated c-headers are written.
 #   DEPENDS:=Extra dependecy
 #   DISABLE_SJAVAC:=Explicitly disable the use of sjavac for this compilation unit.
@@ -523,13 +517,6 @@
     endif
   endif
 
-  # Prep the source paths.
-  ifneq ($$($1_JAVAC_SOURCE_PATH_OVERRIDE),)
-    $$(eval $$(call replace_space_with_pathsep,$1_SRCROOTSC,$$($1_JAVAC_SOURCE_PATH_OVERRIDE)))
-  else
-    $$(eval $$(call replace_space_with_pathsep,$1_SRCROOTSC,$$($1_SRC)))
-  endif
-
   # Create a sed expression to remove the source roots and to replace / with .
   # and remove .java at the end.
   $1_REWRITE_INTO_CLASSES:=$$(foreach i,$$($1_SRC),-e 's|$$i/||g') -e 's|/|.|g' -e 's|.java$$$$||g'
@@ -612,7 +599,7 @@
 	$$(call ListPathsSafely,$1_SRCS,\n, >> $$($1_BIN)/_the.$1_batch.tmp)
 	$(ECHO) Compiling `$(WC) $$($1_BIN)/_the.$1_batch.tmp | $(TR) -s ' ' | $(CUT) -f 2 -d ' '` files for $1
 	($$($1_JVM) $$($1_JAVAC) $$($1_FLAGS) \
-	    -implicit:none -sourcepath "$$($1_SRCROOTSC)" \
+	    -implicit:none \
 	    -d $$($1_BIN) $$($1_HEADERS_ARG) @$$($1_BIN)/_the.$1_batch.tmp && \
 	$(MV) $$($1_BIN)/_the.$1_batch.tmp $$($1_BIN)/_the.$1_batch)