manual: add clean target to tests

manual/Makefile

@@ -3,10 +3,11 @@ all: tools
 	${MAKE} tests
 #	cd fpcl; ${MAKE} all
 
+.PHONY: clean
 clean:
-	cd manual; ${MAKE} clean
-	cd tools; ${MAKE} clean
-#	cd fpcl; ${MAKE} clean
+	${MAKE} -C manual clean
+	${MAKE} -C tools  clean
+	${MAKE} -C tests  clean
 
 release:
 	cd manual; ${MAKE} release

manual/tests/.gitignore

@@ -0,0 +1 @@
+/cross-reference-checker

manual/tests/Makefile

@@ -2,19 +2,26 @@ TOPDIR=$(abspath ../..)
 include $(TOPDIR)/Makefile.tools
 MANUAL=$(TOPDIR)/manual/manual
 
-.PHONY: all
 all: check-cross-references check-stdlib
 
-cross-reference-checker: cross_reference_checker.ml
-	$(OCAMLC) $(TOPDIR)/compilerlibs/ocamlcommon.cma -I $(TOPDIR)/parsing \
-         -I $(TOPDIR)/driver \
-        cross_reference_checker.ml -o cross-reference-checker
 
+cross-reference-checker: cross_reference_checker.ml
+	$(OCAMLC) $(TOPDIR)/compilerlibs/ocamlcommon.cma \
+	  -I $(TOPDIR)/parsing -I $(TOPDIR)/driver \
+	  $< -o $@
+
+.PHONY: check-cross-references
 check-cross-references: cross-reference-checker
 	$(OCAMLRUN) ./cross-reference-checker \
-	-auxfile $(MANUAL)/texstuff/manual.aux \
-        $(TOPDIR)/utils/warnings.ml \
-	$(TOPDIR)/bytecomp/translmod.ml
+	  -auxfile $(MANUAL)/texstuff/manual.aux \
+	  $(TOPDIR)/utils/warnings.ml \
+	  $(TOPDIR)/bytecomp/translmod.ml
 
+.PHONY: check-stdlib
 check-stdlib:
 	./check-stdlib-modules $(TOPDIR)
+
+
+.PHONY: clean
+clean:
+	rm -f *.cm? *.cmx? cross-reference-checker