diff -ur jpeg-6b.old/makefile.cfg jpeg-6b/makefile.cfg
--- jpeg-6b.old/makefile.cfg	Sat Mar 21 20:08:57 1998
+++ jpeg-6b/makefile.cfg	Thu Jun 24 10:37:57 1999
@@ -17,7 +17,7 @@
 binprefix =
 manprefix =
 manext = 1
-mandir = $(prefix)/man/man$(manext)
+mandir = @mandir@/man$(manext)
 
 # The name of your C compiler:
 CC= @CC@
@@ -191,25 +191,25 @@
 # Installation rules:
 
 install: cjpeg djpeg jpegtran rdjpgcom wrjpgcom @FORCE_INSTALL_LIB@
-	$(INSTALL_PROGRAM) cjpeg $(bindir)/$(binprefix)cjpeg
-	$(INSTALL_PROGRAM) djpeg $(bindir)/$(binprefix)djpeg
-	$(INSTALL_PROGRAM) jpegtran $(bindir)/$(binprefix)jpegtran
-	$(INSTALL_PROGRAM) rdjpgcom $(bindir)/$(binprefix)rdjpgcom
-	$(INSTALL_PROGRAM) wrjpgcom $(bindir)/$(binprefix)wrjpgcom
-	$(INSTALL_DATA) $(srcdir)/cjpeg.1 $(mandir)/$(manprefix)cjpeg.$(manext)
-	$(INSTALL_DATA) $(srcdir)/djpeg.1 $(mandir)/$(manprefix)djpeg.$(manext)
-	$(INSTALL_DATA) $(srcdir)/jpegtran.1 $(mandir)/$(manprefix)jpegtran.$(manext)
-	$(INSTALL_DATA) $(srcdir)/rdjpgcom.1 $(mandir)/$(manprefix)rdjpgcom.$(manext)
-	$(INSTALL_DATA) $(srcdir)/wrjpgcom.1 $(mandir)/$(manprefix)wrjpgcom.$(manext)
+	$(INSTALL_PROGRAM) cjpeg $(DESTDIR)$(bindir)/$(binprefix)cjpeg
+	$(INSTALL_PROGRAM) djpeg $(DESTDIR)$(bindir)/$(binprefix)djpeg
+	$(INSTALL_PROGRAM) jpegtran $(DESTDIR)$(bindir)/$(binprefix)jpegtran
+	$(INSTALL_PROGRAM) rdjpgcom $(DESTDIR)$(bindir)/$(binprefix)rdjpgcom
+	$(INSTALL_PROGRAM) wrjpgcom $(DESTDIR)$(bindir)/$(binprefix)wrjpgcom
+	$(INSTALL_DATA) $(srcdir)/cjpeg.1 $(DESTDIR)$(mandir)/$(manprefix)cjpeg.$(manext)
+	$(INSTALL_DATA) $(srcdir)/djpeg.1 $(DESTDIR)$(mandir)/$(manprefix)djpeg.$(manext)
+	$(INSTALL_DATA) $(srcdir)/jpegtran.1 $(DESTDIR)$(mandir)/$(manprefix)jpegtran.$(manext)
+	$(INSTALL_DATA) $(srcdir)/rdjpgcom.1 $(DESTDIR)$(mandir)/$(manprefix)rdjpgcom.$(manext)
+	$(INSTALL_DATA) $(srcdir)/wrjpgcom.1 $(DESTDIR)$(mandir)/$(manprefix)wrjpgcom.$(manext)
 
 install-lib: libjpeg.$(A) install-headers
-	$(INSTALL_LIB) libjpeg.$(A) $(libdir)/$(binprefix)libjpeg.$(A)
+	$(INSTALL_LIB) libjpeg.$(A) $(DESTDIR)$(libdir)/$(binprefix)libjpeg.$(A)
 
 install-headers: jconfig.h
-	$(INSTALL_DATA) jconfig.h $(includedir)/jconfig.h
-	$(INSTALL_DATA) $(srcdir)/jpeglib.h $(includedir)/jpeglib.h
-	$(INSTALL_DATA) $(srcdir)/jmorecfg.h $(includedir)/jmorecfg.h
-	$(INSTALL_DATA) $(srcdir)/jerror.h $(includedir)/jerror.h
+	$(INSTALL_DATA) jconfig.h $(DESTDIR)$(includedir)/jconfig.h
+	$(INSTALL_DATA) $(srcdir)/jpeglib.h $(DESTDIR)$(includedir)/jpeglib.h
+	$(INSTALL_DATA) $(srcdir)/jmorecfg.h $(DESTDIR)$(includedir)/jmorecfg.h
+	$(INSTALL_DATA) $(srcdir)/jerror.h $(DESTDIR)$(includedir)/jerror.h
 
 clean:
 	$(RM) *.o *.lo libjpeg.a libjpeg.la