@for target in $(TESTS); do $(MAKE) check -C $$target; done
$(GROUP_LOG_FILE):
- @for target in $(TESTS); do cat <$$target/$(LOG_FILE) >>$@ || echo $$target ": no log." >>$@; done
+ @for target in $(TESTS); do (echo<$$target/$(LOG_FILE) && cat <$$target/$(LOG_FILE)) >>$@ || echo $$target ": no log." >>$@; done
report: $(GROUP_LOG_FILE)
@echo "$(GROUP): $(SUCCESS_TEST) / $(ALL_TEST) tests passed. Details in `pwd`/$(GROUP_LOG_FILE)"; \