# == defs

URL = http://www.kernel.org/pub/linux/utils/boot/syslinux/syslinux-3.11.tar.bz2
DLOAD_DIR = /home/samba/dat/share/exe/linux/syslinux
DLOAD_PKG = $(DLOAD_DIR)/$(notdir $(URL))
BUILD_DIR = cd_root
DIRS = $(DLOAD_DIR) $(BUILD_DIR)
UNPACK_DIR = $(notdir $(shell echo $(DLOAD_PKG) | sed 's/.tar.bz2$$//'))
ISO_IMAGE = image.iso
ISOLINUX_BIN = $(UNPACK_DIR)/isolinux.bin
INITRD = /boot/initrd

CD_FILES = \
	$(UNPACK_DIR)/com32/modules/menu.c32 \
	$(ISOLINUX_BIN)
	
# == targets

all: $(ISO_IMAGE)
install:
clean:
	rm -rf *.done
	rm -rf $(BUILD_DIR) $(UNPACK_DIR)
	rm -f $(ISO_IMAGE)

distclean: clean

# == rules

dirs.done:
	mkdir -p $(DIRS)
	touch $@

$(DLOAD_PKG):
	wget -c $(URL) -P $(DLOAD_DIR)

$(UNPACK_DIR)/com32/modules/menu.c32: unpack.done

dload.done: $(DLOAD_PKG)
	touch $@

unpack.done: dload.done
	tar -xjf $(DLOAD_PKG)
	touch $@

GENERATE = sh $(MODDIR)/devutil/scripts/generate_boot_medium.sh
BOOT_CONF = boot.conf

$(ISO_IMAGE): $(BOOT_CONF) dirs.done $(CD_FILES)
	$(GENERATE) -o $@ -d $(BUILD_DIR) -f $< $(CD_FILES)