diff --git a/GNUmakefile.in b/GNUmakefile.in
index 5e7575abf9..c924f30599 100644
--- a/GNUmakefile.in
+++ b/GNUmakefile.in
@@ -86,7 +86,7 @@ distdir	= postgresql-$(VERSION)
 dummy	= =install=
 garbage = =*  "#"*  ."#"*  *~*  *.orig  *.rej  core  postgresql-*
 
-dist: $(distdir).tar.gz 
+dist: $(distdir).tar.gz $(distdir).tar.bz2
 ifeq ($(split-dist), yes)
 dist: postgresql-base-$(VERSION).tar.gz postgresql-docs-$(VERSION).tar.gz postgresql-opt-$(VERSION).tar.gz postgresql-test-$(VERSION).tar.gz 
 endif
@@ -96,6 +96,8 @@ dist:
 $(distdir).tar: distdir
 	$(TAR) chf $@ $(distdir)
 
+.INTERMEDIATE: $(distdir).tar
+
 opt_files = \
 	src/tools src/tutorial \
 	$(addprefix src/pl/, plperl plpython tcl)
@@ -134,10 +136,10 @@ distdir:
 	$(MAKE) -C $(distdir) distclean
 	rm -f $(distdir)/README.git
 
-distcheck: $(distdir).tar.gz
+distcheck: dist
 	rm -rf $(dummy)
 	mkdir $(dummy)
-	$(GZIP) -d -c $< | $(TAR) xf -
+	$(GZIP) -d -c $(distdir).tar.gz | $(TAR) xf -
 	install_prefix=`cd $(dummy) && pwd`; \
 	cd $(distdir) \
 	&& ./configure --prefix="$$install_prefix"
diff --git a/src/Makefile.global.in b/src/Makefile.global.in
index 763bdc004a..17d3772e96 100644
--- a/src/Makefile.global.in
+++ b/src/Makefile.global.in
@@ -476,10 +476,10 @@ TAS         = @TAS@
 	$(CPP) $(CPPFLAGS) -o $@ $<
 
 %.gz: %
-	$(GZIP) -f --best $<
+	$(GZIP) --best -c $< >$@
 
 %.bz2: %
-	$(BZIP2) -f $<
+	$(BZIP2) -c $< >$@
 
 ifndef PGXS