reuse sex reader in sextest

tools/sextest/Makefile

@@ -1,5 +1,23 @@
 CHICKEN_C = csc
 CSC_FLAGS += -K prefix -static
+MODULE_FLAGS = -emit-all-import-libraries -module-registration -c
 
-sextest: sextest.scm
-	$(CHICKEN_C) $(CSC_FLAGS) sextest.scm -o sextest
+ROOT = ../..
+
+# sextest reuses sexc's reader (and its utils dependency) instead of
+# duplicating the S-expression reader. The module wrappers here include
+# the shared sources from the project root.
+
+sextest: sextest.scm reader.o utils.o
+	$(CHICKEN_C) $(CSC_FLAGS) sextest.scm -o sextest -link reader,utils
+
+utils.o: utils.module.scm $(ROOT)/utils.scm
+	$(CHICKEN_C) $(CSC_FLAGS) $(MODULE_FLAGS) utils.module.scm -o utils.o -unit utils
+
+reader.o: reader.module.scm $(ROOT)/reader.scm utils.o
+	$(CHICKEN_C) $(CSC_FLAGS) $(MODULE_FLAGS) reader.module.scm -o reader.o -unit reader -link utils
+
+clean:
+	rm -f *.o *.import.scm *.link sextest
+
+.PHONY: clean