java_source_list_file is only created when full_classses_jar is set
So avoid creating an unused phony target when we aren't compiling
anything.
Test: treehugger
Change-Id: I4e6d9d93ee5a7d11db6b4a6c7da1ba947d96e575
diff --git a/core/package_internal.mk b/core/package_internal.mk
index 59e0701..62dac99 100644
--- a/core/package_internal.mk
+++ b/core/package_internal.mk
@@ -377,9 +377,11 @@
# they want to use this module's R.java file.
$(LOCAL_BUILT_MODULE): $(R_file_stamp)
+ifneq ($(full_classes_jar),)
# The R.java file must exist by the time the java source
# list is generated
$(java_source_list_file): $(R_file_stamp)
+endif
endif # need_compile_res