diff --git a/package/rene/cdrdao/cdrdao.conf b/package/rene/cdrdao/cdrdao.conf
index acc5b6729..9c346d0a6 100644
--- a/package/rene/cdrdao/cdrdao.conf
+++ b/package/rene/cdrdao/cdrdao.conf
@@ -20,6 +20,8 @@
 # 
 # --- ROCK-COPYRIGHT-NOTE-END ---
 
+[ "$arch" = "x86" -a "$ROCKCFG_X86_BITS" = "64" ] && \
+	preconf="cp -v $root/usr/share/automake-1.9/config.{sub,guess} scsilib/conf"
 
 cdrdao_main() {
 	unzip -vo $archdir/pccts133mr.zip
diff --git a/package/rene/cdrdao/x86_64-support.patch b/package/rene/cdrdao/x86_64-support.patch
new file mode 100644
index 000000000..04e45f21d
--- /dev/null
+++ b/package/rene/cdrdao/x86_64-support.patch
@@ -0,0 +1,73 @@
+--- ./scsilib/RULES/x86_64-linux-cc.rul.old	1970-01-01 01:00:00.000000000 +0100
++++ ./scsilib/RULES/x86_64-linux-cc.rul	2004-12-28 14:57:29.000000000 +0100
+@@ -0,0 +1,70 @@
++#ident "@(#)i586-linux-cc.rul	1.5 02/10/15 "
++###########################################################################
++# Written 1996 by J. Schilling
++###########################################################################
++#
++# Platform dependent MACROS for Linux
++#
++###########################################################################
++# This program is free software; you can redistribute it and/or modify
++# it under the terms of the GNU General Public License as published by
++# the Free Software Foundation; either version 2, or (at your option)
++# any later version.
++#
++# This program is distributed in the hope that it will be useful,
++# but WITHOUT ANY WARRANTY; without even the implied warranty of
++# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
++# GNU General Public License for more details.
++#
++# You should have received a copy of the GNU General Public License
++# along with this program; see the file COPYING.  If not, write to
++# the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
++###########################################################################
++include $(SRCROOT)/$(RULESDIR)/rules.prg
++###########################################################################
++
++CPPFLAGS=	$(CPPOPTS) $(CPPOPTX)
++CFLAGS=		$(COPTS) $(CWARNOPTS) $(COPTOPT) $(GCCOPTOPT) $(COPTX)
++
++CPPOPTS=	-I. -I$(ARCHDIR) -I$(OINCSDIR) $(INCDIRS:%=-I%) $(OSDEFS)
++COPTS=
++CWOPTS=		-Wall -Wtraditional \
++		-Wshadow -Wmissing-prototypes -Wstrict-prototypes
++COPTOPT=	-O
++KDEFINES=	-DKERNEL -D_KERNEL
++COPTDYN=	-fPIC
++COPTGPROF=	-pg
++
++LIB_PREFIX=	lib
++LIB_SUFFIX=	.a
++SHL_SUFFIX=	.so.1.0
++
++#LIB_SOCKET=	-lsocket -lnsl -ldl
++LIB_SOCKET=	
++LIB_MATH=	-lm
++#LIB_KVM=	-lkvm
++LIB_KVM=	
++
++LIBS_PATH=	-L$(OLIBSDIR)
++
++LDFLAGS=	$(LDOPTS) $(LDOPTX)
++LDLIBS=		$(LIBS) $(LIBX)
++
++#LDOPTS=		$(LIBS_PATH) $(LDPATH) $(RUNPATH)
++LDOPTS=		$(LIBS_PATH) $(LDPATH)
++LDOPTDYN=	-shared -Wl,-soname,$(TARGET)
++LNDYNLIB=	@$(SYMLINK) $(TARGET) $(PTARGET_BASE).so
++
++FLOAT_OPTIONS=	
++
++CC=		@echo "	==> COMPILING \"$@\""; gcc
++LDCC=		@echo "	==> LINKING \"$@\""; gcc
++DYNLD=		@echo "	==> LINKING dynamic library \"$@\""; gcc
++RANLIB=		@echo "	==> RANDOMIZING ARCHIVE \"$@\""; true
++ARFLAGS=	cr
++LORDER=		echo
++TSORT=		cat
++
++RMDEP=		:
++MKDEP=		@echo "	==> MAKING DEPENDENCIES \"$@\""; $(RMDEP); gcc -M
++MKDEP_OUT=