patch from janlana adding an x86 bootable iso9660 CD-ROM target

target/Config.in

@@ -8,6 +8,7 @@ source "target/ext2/Config.in"
 source "target/jffs2/Config.in"
 source "target/squashfs/Config.in"
 source "target/tar/Config.in"
+source "target/iso9660/Config.in"
 
 comment "bootloader for target device"
 

target/iso9660/Config.in

@@ -0,0 +1,18 @@
+config BR2_TARGET_ROOTFS_ISO9660
+	bool "iso image"
+	default n
+	depends on BR2_i386
+	select BR2_TARGET_ROOTFS_EXT2
+	select BR2_PACKAGE_GRUB
+	help
+	  Build a bootable iso9660 image
+
+config BR2_TARGET_ROOTFS_ISO9660_OUTPUT
+	string "Output File"
+	depends on BR2_TARGET_ROOTFS_ISO9660
+	default "$(IMAGE).iso"
+
+config BR2_TARGET_ROOTFS_ISO9660_BOOT_MENU
+	string "Boot menu.lst file"
+	depends on BR2_TARGET_ROOTFS_ISO9660
+	default "target/iso9660/menu.lst"

target/iso9660/iso9660.mk

@@ -0,0 +1,90 @@
+#############################################################
+#
+# mkisofs to build to target iso9660 filesystems
+#
+#############################################################
+MKISOFS_SOURCE:=cdrtools-2.01.tar.bz2
+MKISOFS_SITE:=ftp://ftp.berlios.de/pub/cdrecord/
+MKISOFS_DIR:=$(BUILD_DIR)/cdrtools-2.01
+MKISOFS_TARGET:=$(MKISOFS_DIR)/mkisofs/OBJ/i686-linux-cc/mkisofs
+
+$(DL_DIR)/$(MKISOFS_SOURCE):
+	$(WGET) -P $(DL_DIR) $(MKISOFS_SITE)/$(MKISOFS_SOURCE)
+
+mkisofs-source: $(DL_DIR)/$(MKISOFS_SOURCE)
+
+$(MKISOFS_DIR)/.unpacked: $(DL_DIR)/$(MKISOFS_SOURCE)
+	bzcat $(DL_DIR)/$(MKISOFS_SOURCE) | tar -C $(BUILD_DIR) $(TAR_OPTIONS) -
+	toolchain/patch-kernel.sh $(MKISOFS_DIR) target/iso9660/ \*.patch
+	touch $(MKISOFS_DIR)/.unpacked
+
+$(MKISOFS_DIR)/.configured: $(MKISOFS_DIR)/.unpacked
+	(cd $(MKISOFS_DIR); rm -rf config.cache; \
+	);
+	touch  $(MKISOFS_DIR)/.configured
+
+$(MKISOFS_TARGET): $(MKISOFS_DIR)/.configured
+	$(MAKE) -C $(MKISOFS_DIR)
+	touch -c $(MKISOFS_DIR)/mkisofs
+
+mkisofs: $(MKISOFS_TARGET)
+
+mkisofs-clean:
+	-$(MAKE) -C $(MKISOFS_DIR) clean
+
+mkisofs-dirclean:
+	rm -rf $(MKISOFS_DIR)
+
+
+#############################################################
+#
+# Build the iso96600 root filesystem image
+#
+#############################################################
+
+ISO9660_TARGET_DIR=$(BUILD_DIR)/iso9660
+ISO9660_TARGET:=$(subst ",,$(BR2_TARGET_ROOTFS_ISO9660_OUTPUT))
+ISO9660_BOOT_MENU:=$(subst ",,$(BR2_TARGET_ROOTFS_ISO9660_BOOT_MENU))
+
+ISO9660_OPTS:=
+
+ifeq ($(strip $(BR2_TARGET_ROOTFS_ISO9660_SQUASH)),y)
+ISO9660_OPTS+=-U
+endif
+
+$(ISO9660_TARGET): host-fakeroot $(STAGING_DIR)/fakeroot.env $(EXT2_TARGET) grub mkisofs
+	mkdir -p $(ISO9660_TARGET_DIR)
+	mkdir -p $(ISO9660_TARGET_DIR)/boot/grub
+	cp $(GRUB_DIR)/stage2/stage2_eltorito $(ISO9660_TARGET_DIR)/boot/grub/
+	cp $(ISO9660_BOOT_MENU) $(ISO9660_TARGET_DIR)/boot/grub/menu.lst
+	cp $(LINUX_KERNEL) $(ISO9660_TARGET_DIR)/kernel
+	cp $(EXT2_TARGET) $(ISO9660_TARGET_DIR)/initrd
+	-$(STAGING_DIR)/usr/bin/fakeroot \
+		-i $(STAGING_DIR)/fakeroot.env \
+		-s $(STAGING_DIR)/fakeroot.env -- \
+		chown -R root:root $(ISO9660_TARGET_DIR)
+	-$(MKISOFS_TARGET) \
+		-R \
+		-b boot/grub/stage2_eltorito -no-emul-boot -boot-load-size 4 -boot-info-table \
+		-o $(ISO9660_TARGET) \
+		$(ISO9660_TARGET_DIR)
+
+iso9660root: $(ISO9660_TARGET)
+	echo $(ISO9660_TARGET)
+	@ls -l $(ISO9660_TARGET)
+
+iso9660root-source: mkisofs-source
+
+iso9660root-clean: mkisofs-clean
+
+iso9660root-dirclean: mkisofs-dirclean
+	rm -rf $(ISO9660_DIR)
+
+#############################################################
+#
+# Toplevel Makefile options
+#
+#############################################################
+ifeq ($(strip $(BR2_TARGET_ROOTFS_ISO9660)),y)
+TARGETS+=iso9660root
+endif

target/iso9660/menu.lst

@@ -0,0 +1,11 @@
+default		0
+timeout		10
+color cyan/blue white/blue
+
+title		Hard Drive (first partition)
+rootnoverify	(hd0)
+chainloader	+1
+
+title		BuildRoot ISO9660 image
+kernel		/kernel
+initrd		/initrd