This ensures that appropriately-named tests run in sequence. E.g., test.1.log, test.2.log, etc.
# General regression testing of commands and output; look at the *.log and
# corresponding *.chk files to see which tests this runs.
-TESTLOADS := $(shell ls -1 *.log | sed '/.log/s///')
+TESTLOADS := $(shell ls -1 *.log | sed '/.log/s///' | sort)
buildregress:
@for file in $(TESTLOADS); do \
echo "Remaking $${file}.chk"; \