diff -pu po.orig/Makefile.in.in po/Makefile.in.in
--- po.orig/Makefile.in.in	2002-03-26 14:38:46.001000000 +0000
+++ po/Makefile.in.in	2007-10-04 22:31:11.260792100 +0100
@@ -110,10 +110,15 @@ install-exec:
 install-data: install-data-@USE_NLS@
 install-data-no: all
 install-data-yes: all
+	if test -n "$(DESTDIR)" ; then \
+	  DDSLASH="$(DESTDIR)/" ; \
+	else \
+	  DDSLASH="" ; \
+	fi
 	if test -r "$(MKINSTALLDIRS)"; then \
-	  $(MKINSTALLDIRS) $(DESTDIR)/$(datadir); \
+	  $(MKINSTALLDIRS) $$DDSLASH$(datadir); \
 	else \
-	  $(SHELL) $(top_srcdir)/mkinstalldirs $(DESTDIR)/$(datadir); \
+	  $(SHELL) $(top_srcdir)/mkinstalldirs $$DDSLASH$(datadir); \
 	fi
 	@catalogs='$(CATALOGS)'; \
 	for cat in $$catalogs; do \
@@ -125,27 +130,27 @@ install-data-yes: all
 	  lang=`echo $$cat | sed 's/\$(CATOBJEXT)$$//'`; \
 	  dir=$$destdir/$$lang/LC_MESSAGES; \
 	  if test -r "$(MKINSTALLDIRS)"; then \
-	    $(MKINSTALLDIRS) $(DESTDIR)/$$dir; \
+	    $(MKINSTALLDIRS) $$DDSLASH$$dir; \
 	  else \
-	    $(SHELL) $(top_srcdir)/mkinstalldirs $(DESTDIR)/$$dir; \
+	    $(SHELL) $(top_srcdir)/mkinstalldirs $$DDSLASH$$dir; \
 	  fi; \
 	  if test -r $$cat; then \
-	    $(INSTALL_DATA) $$cat $(DESTDIR)/$$dir/$(PACKAGE)$(INSTOBJEXT); \
-	    echo "installing $$cat as $(DESTDIR)/$$dir/$(PACKAGE)$(INSTOBJEXT)"; \
+	    $(INSTALL_DATA) $$cat $$DDSLASH$$dir/$(PACKAGE)$(INSTOBJEXT); \
+	    echo "installing $$cat as $$DDSLASH$$dir/$(PACKAGE)$(INSTOBJEXT)"; \
 	  else \
-	    $(INSTALL_DATA) $(srcdir)/$$cat $(DESTDIR)/$$dir/$(PACKAGE)$(INSTOBJEXT); \
+	    $(INSTALL_DATA) $(srcdir)/$$cat $$DDSLASH$$dir/$(PACKAGE)$(INSTOBJEXT); \
 	    echo "installing $(srcdir)/$$cat as" \
 		 "$$dir/$(PACKAGE)$(INSTOBJEXT)"; \
 	  fi; \
 	  if test -r $$cat.m; then \
-	    $(INSTALL_DATA) $$cat.m $(DESTDIR)/$$dir/$(PACKAGE)$(INSTOBJEXT).m; \
-	    echo "installing $$cat.m as $(DESTDIR)/$$dir/$(PACKAGE)$(INSTOBJEXT).m"; \
+	    $(INSTALL_DATA) $$cat.m $$DDSLASH$$dir/$(PACKAGE)$(INSTOBJEXT).m; \
+	    echo "installing $$cat.m as $$DDSLASH$$dir/$(PACKAGE)$(INSTOBJEXT).m"; \
 	  else \
 	    if test -r $(srcdir)/$$cat.m ; then \
 	      $(INSTALL_DATA) $(srcdir)/$$cat.m \
-		$(DESTDIR)/$$dir/$(PACKAGE)$(INSTOBJEXT).m; \
+		$$DDSLASH$$dir/$(PACKAGE)$(INSTOBJEXT).m; \
 	      echo "installing $(srcdir)/$$cat as" \
-		   "$(DESTDIR)/$$dir/$(PACKAGE)$(INSTOBJEXT).m"; \
+		   "$$DDSLASH$$dir/$(PACKAGE)$(INSTOBJEXT).m"; \
 	    else \
 	      true; \
 	    fi; \
@@ -153,12 +158,12 @@ install-data-yes: all
 	done
 	if test "$(PACKAGE)" = "gettext"; then \
 	  if test -r "$(MKINSTALLDIRS)"; then \
-	    $(MKINSTALLDIRS) $(DESTDIR)/$(gettextsrcdir); \
+	    $(MKINSTALLDIRS) $$DDSLASH$(gettextsrcdir); \
 	  else \
-	    $(SHELL) $(top_srcdir)/mkinstalldirs $(DESTDIR)/$(gettextsrcdir); \
+	    $(SHELL) $(top_srcdir)/mkinstalldirs $$DDSLASH$(gettextsrcdir); \
 	  fi; \
 	  $(INSTALL_DATA) $(srcdir)/Makefile.in.in \
-			  $(DESTDIR)/$(gettextsrcdir)/Makefile.in.in; \
+			  $$DDSLASH$(gettextsrcdir)/Makefile.in.in; \
 	else \
 	  : ; \
 	fi