+compress:
+ $(foreach file,\
+ $(shell find . -type f -iname "*.js"),\
+ $(shell python jsmin.py < $(file) > $(file).new && mv $(file).new $(file)))
+ @echo "Compressed .js files with jsmin.py"
+
+.PHONY: compress
+
+#################### convenience, for debugging only
+# make +foo : prints the value of $(foo)
+# make ++foo : idem but verbose, i.e. foo=$(foo)
+++%: varname=$(subst +,,$@)
+++%:
+ @echo "$(varname)=$($(varname))"
++%: varname=$(subst +,,$@)
++%:
+ @echo "$($(varname))"