diff -ru src/Makefile.in src.parallel/Makefile.in
--- src/Makefile.in	2011-08-10 19:47:17.000000000 +0200
+++ src.parallel/Makefile.in	2011-12-10 13:40:18.000000000 +0100
@@ -146,14 +146,14 @@
 	rm -rf configure
 
 clean mostlyclean: local-clean
-	$(recurse)
+	+$(recurse)
 
 distclean: local-distclean
-	$(recurse)
+	+$(recurse)
 	rm -rf build
 
 maintainer-clean: uninstall local-maintainer-clean
-	$(recurse)
+	+$(recurse)
 
 ##############################################################
 # some extra targets for the specific packages
diff -ru src/Singular/Makefile.in src.parallel/Singular/Makefile.in
--- src/Singular/Makefile.in	2011-09-30 12:10:15.000000000 +0200
+++ src.parallel/Singular/Makefile.in	2011-12-10 13:39:41.000000000 +0100
@@ -413,7 +413,7 @@
 
 cntrlc.o cntrlc.og : feOptES.inc feOptTS.inc feOpt.inc version.h
 
-misc_ip.o emacs.o tesths.o: version.h
+misc_ip.o emacs.o tesths.o: feOpt.inc version.h
 
 claptmpl.o: claptmpl.cc mod2.h
 	${CXX} ${CXXFLAGS}  ${CPPFLAGS} ${DEFS} -c $<
diff -ru src/kernel/Makefile.in src.parallel/kernel/Makefile.in
--- src/kernel/Makefile.in	2011-05-18 09:37:59.000000000 +0200
+++ src.parallel/kernel/Makefile.in	2011-12-10 13:39:41.000000000 +0100
@@ -243,7 +243,7 @@
 
 # Hmm compiling with -fomit-frame-pointer resulted in access violation
 # under cygwin
-prCopy.o: prCopy.inc
+prCopy.o prCopy.og prCopy.op: prCopy.inc
 
 prCopy.inc : prCopyMacros.h prCopyTemplate.cc prCopy.pl
 	$(PERL) prCopy.pl > prCopy.xx && mv prCopy.xx prCopy.inc