We don't need either ps nor pdf.

Index: Makefile
===================================================================
--- Makefile.orig	2011-02-15 17:44:49.000000000 +0100
+++ Makefile	2011-02-15 17:47:59.872343582 +0100
@@ -77,7 +77,7 @@ ifdef ENABLE_NLS
 	MOFILES			= $(DOS2UNIX_MOFILES) $(UNIX2DOS_MOFILES)
 endif
 
-DOCFILES	= $(PACKAGE).txt $(PACKAGE).ps $(PACKAGE).pdf $(PACKAGE).html
+DOCFILES	= $(PACKAGE).txt $(PACKAGE).html
 INSTALL_OBJS_DOC = README.txt NEWS.txt ChangeLog.txt COPYING.txt TODO.txt BUGS.txt $(DOCFILES)
 
 #PODFILES	= man/man1/dos2unix.pod $(wildcard man/*/man1/dos2unix.pod)