Index: Makefile.conf.in
===================================================================
--- Makefile.conf.in	(revision 5786)
+++ Makefile.conf.in	(revision 5787)
@@ -1,11 +1,16 @@
 print [@# generated by ./configure, do not modify
+
+# Compatibility with autotools on DESTDIR - Debian really wants this
+# Still keep install_root as well, because that has a better name
+Install_root=$(install_root)$(DESTDIR)
+
 # prefix is @/local/prefix@
-DOCDIR=$(install_root)@/local/prefix@/share/doc/pcb-rnd
-LIBDIR=$(install_root)@/local/prefix@/lib/pcb-rnd
-BINDIR=$(install_root)@/local/prefix@/bin
-ETCDIR=$(install_root)/etc
-DATADIR=$(install_root)@/local/prefix@/share/pcb-rnd
-MAN1DIR=$(install_root)@/local/prefix@/share/man/man1
+DOCDIR=$(Install_root)@/local/prefix@/share/doc/pcb-rnd
+LIBDIR=$(Install_root)@/local/prefix@/lib/pcb-rnd
+BINDIR=$(Install_root)@/local/prefix@/bin
+ETCDIR=$(Install_root)/etc
+DATADIR=$(Install_root)@/local/prefix@/share/pcb-rnd
+MAN1DIR=$(Install_root)@/local/prefix@/share/man/man1
 RM=@/host/fstools/rm@
 CP=@/host/fstools/cp@
 LN=@/host/fstools/ln@