--- a/make-rules/prep-unpack.mk	Wed May 06 15:27:49 2015 -0700
+++ b/make-rules/prep-unpack.mk	Mon May 04 18:32:20 2015 -0500
@@ -27,7 +27,7 @@
 # Anything that we downloaded and want to unpack must have a
 # COMPONENT_ARCHIVE{_[0-9]+} macro.
 #
-TMP_SUFFIXES = $(subst COMPONENT_ARCHIVE_,, \
+PCK_SUFFIXES = $(subst COMPONENT_ARCHIVE_,, \
                 $(filter COMPONENT_ARCHIVE_%, $(.VARIABLES)))
 
 # Template for unpacking rules.
@@ -66,4 +66,4 @@
 # cleanup macros.
 #
 $(eval $(call unpack-rules,))
-$(foreach suffix, $(TMP_SUFFIXES), $(eval $(call unpack-rules,_$(suffix))))
+$(foreach suffix, $(PCK_SUFFIXES), $(eval $(call unpack-rules,_$(suffix))))