Oops, unbreak make.sh.
Clearing out old .o files needs -r now that generated/obj has its own subdirectory. (Works if you make clean between, but shouldn't need it.)
diff --git a/scripts/make.sh b/scripts/make.sh
index d51409a..34c1db5 100755
--- a/scripts/make.sh
+++ b/scripts/make.sh
@@ -172,7 +172,7 @@
# This is a parallel version of: do_loudly $BUILD $FILES $LINK || exit 1
-rm -f generated/obj && mkdir -p generated/obj || exit 1
+rm -rf generated/obj && mkdir -p generated/obj || exit 1
PENDING=
for i in $FILES
do