--- doc/Makefile.in.orig	2004-02-14 13:17:23.000000000 +0900
+++ doc/Makefile.in	2014-08-25 17:07:26.000000000 +0900
@@ -348,13 +348,13 @@
 
 
 install-data-local:
-	$(mkinstalldirs) $(mandir)/man1/
-	$(INSTALL_DATA) $(srcdir)/cce.1 $(mandir)/man1/cce.1
-	$(INSTALL_DATA) $(srcdir)/cceconv.1 $(mandir)/man1/cceconv.1
+	$(mkinstalldirs) $(DESTDIR)$(mandir)/man1/
+	$(INSTALL_DATA) $(srcdir)/cce.1 $(DESTDIR)$(mandir)/man1/cce.1
+	$(INSTALL_DATA) $(srcdir)/cceconv.1 $(DESTDIR)$(mandir)/man1/cceconv.1
 
 uninstall-local:
-	-rm -f $(mandir)/man1/cce.1
-	-rm -f $(mandir)/man1/cceconv.1
+	-rm -f $(DESTDIR)$(mandir)/man1/cce.1
+	-rm -f $(DESTDIR)$(mandir)/man1/cceconv.1
 # Tell versions [3.59,3.63) of GNU make to not export all variables.
 # Otherwise a system limit (for SysV at least) may be exceeded.
 .NOEXPORT: