Up through lcthw ex 15

lcthw/Makefile

@@ -19,17 +19,17 @@ clean:
 build: $(BUILD_TARGETS)
 
 .PHONY: gtest
-gtest:
+gtest: $(BUILD_TARGETS)
 	@$(foreach bt, $(BUILD_TARGETS), make .gtest.$(bt) &&) printf '\ngYAY\n'
 
-.gtest.%:
+.gtest.%: %
 	@if test -f .$*.argv; then readarray -t test_argv <.$*.argv; fi && \
 	printf '\n==> %s\n' "$*" && $(GDBRUN) ./$* "$${test_argv[@]}"
 
 .PHONY: test
-test:
+test: $(BUILD_TARGETS)
 	@$(foreach bt, $(BUILD_TARGETS), make .test.$(bt) &&) printf '\nYAY\n'
 
-.test.%:
+.test.%: %
 	@if test -f .$*.argv; then readarray -t test_argv <.$*.argv; fi && \
 	printf '\n==> %s\n' "$*" && ./$* "$${test_argv[@]}"