# A Makefile going to a new dimension - a combination of stuff borrowed from 
# buildroot by Erik Andersen <andersen@codepoet.org>, UML, and gbootroot.

##all: install

BASE_DIR=${shell pwd}

TARGET_DIR=$(BASE_DIR)/root
BUILD_DIR=$(BASE_DIR)/staging_dir
SOURCE_DIR=$(BASE_DIR)/sources
##TARGET_CC=$(BUILD_DIR)/bin/gcc
##TARGET_CC1=$(BUILD_DIR)/usr/bin/$(ARCH)-uclibc-gcc
##TARGET_CROSS=$(BUILD_DIR)/usr/bin/$(ARCH)-uclibc-
##TARGET_PATH=$(BUILD_DIR)/usr/bin:$(BUILD_DIR)/bin:/bin:/sbin:/usr/bin:/usr/sbin
KERNEL=$(BASE_DIR)/user-mode-linux/usr/bin/linuxbr
IMAGE=$(BASE_DIR)/root_filesystem/root_fs_helper
KERNEL_DIR=$(BASE_DIR)/linux
KERNEL_SOURCE=linux-2.4.19.tar.bz2
KERNEL_SITE=http://www.uk.kernel.org/pub/linux/kernel/v2.4

PATCH_1=uml-patch-2.4.19-37.bz2
PATCH_1_SITE=http://jdike.stearns.org/mirror
PATCH_2=$(BASE_DIR)/user-mode-linux/usr/lib/uml/cramfs-vfs-order.patch
KCONFIG=$(BASE_DIR)/user-mode-linux/usr/lib/uml/config
##UCLIBC_DIR=$(BASE_DIR)/uClibc
##UCLIBC_SOURCE=uClibc-snapshot.tar.gz
##UCLIBC_PATCH=$(SOURCE_DIR)/uClibc.patch
##UCLIBC_SITE=ftp://oss.lineo.com
##BUSYBOX_DIR=$(BASE_DIR)/busybox
##BUSYBOX_SOURCE=busybox.tar.gz
##BUSYBOX_PATCH=$(SOURCE_DIR)/busybox.patch
##BUSYBOX_SITE=http://busybox.lineo.com
GENEXT2_DIR=$(BASE_DIR)/genext2fs


all:   world
world: kernel target


kernel: $(BASE_DIR)
	@if [ ! -d $(KERNEL_DIR) ] ; then \
		while [ ! -f $(SOURCE_DIR)/$(KERNEL_SOURCE) ] ; do \
			wget -P $(SOURCE_DIR) --passive $(KERNEL_SITE)/$(KERNEL_SOURCE); \
		done; \
		while [ ! -f $(SOURCE_DIR)/$(PATCH_1) ] ; do \
			wget -P $(SOURCE_DIR) --passive $(PATCH_1_SITE)/$(PATCH_1); \
		done; \
		bunzip2 -c $(SOURCE_DIR)/$(KERNEL_SOURCE) | tar -xv; \
		bzcat $(SOURCE_DIR)/$(PATCH_1) | patch -d $(KERNEL_DIR) -p1; \
		perl -i -p -e "s/^ARCH :=.*/ARCH=um/g" $(KERNEL_DIR)/Makefile; \
	fi;
#	@if [ ! -f $(KERNEL_DIR)/.config ] ; then \
#		cp $(KCONFIG) $(KERNEL_DIR)/.config; \
#		(cd $(KERNEL_DIR); make oldconfig; make dep); \
#	fi;
#	@if [ ! -f $(KERNEL_DIR)/linux ] ; then \
#		(cd $(KERNEL_DIR); make linux); \
#	fi;
#	@cmp -s $(KERNEL) $(KERNEL_DIR)/linux; \
#	if [ $$? != 0 ] ; then \
#		cp -fa $(KERNEL_DIR)/linux $(KERNEL); \
#	fi;


mkfs:
	@if [ ! -f $(GENEXT2_DIR)/genext2fs ] ; then \
		$(MAKE) -C $(GENEXT2_DIR); \
	fi;


install:
	install -d $(DESTDIR)/usr/bin
	cp -fa gbootroot $(DESTDIR)/usr/bin/gbootroot
	install -d $(DESTDIR)/usr/lib/bootroot
	cp -fa yard_chrooted_tests $(DESTDIR)/usr/lib/bootroot/yard_chrooted_tests
	cp -fa genext2fs/genext2fs $(DESTDIR)/usr/lib/bootroot/genext2fs
	cp -fa expect_uml $(DESTDIR)/usr/lib/bootroot/expect_uml
	install -d $(DESTDIR)/usr/lib/bootroot/root_filesystem
	cp -fa root_filesystem/root_fs_helper $(DESTDIR)/usr/lib/bootroot/root_filesystem
	cp -fa root_filesystem/Initrd.gz $(DESTDIR)/usr/lib/bootroot/root_filesystem
	cp -fa yard/scripts/make_debian $(DESTDIR)/usr/bin/make_debian
	install -d $(DESTDIR)/usr/share/perl5/BootRoot
	cp -fa BootRoot/*.pm $(DESTDIR)/usr/share/perl5/BootRoot
	install -d $(DESTDIR)/usr/share/gbootroot/yard/Replacements
	cp -fa yard/replacements/* $(DESTDIR)/usr/share/gbootroot/yard/Replacements
	install -d $(DESTDIR)/usr/lib/bootroot/yard/Replacements/lib/modules
	cp -fa user-mode-linux/usr/lib/uml/modules* $(DESTDIR)/usr/lib/bootroot/yard/Replacements/lib/modules
	cp -fa user-mode-linux/usr/lib/uml/config $(DESTDIR)/usr/lib/bootroot/yard/Replacements/lib/modules
	cp -fa user-mode-linux/usr/lib/uml/CVS $(DESTDIR)/usr/lib/bootroot/yard/Replacements/lib/modules/CVS
	install -d $(DESTDIR)/usr/lib/uml
	cp -fa user-mode-linux/usr/lib/uml/port-helper $(DESTDIR)/usr/lib/uml/port-helper
	install -d $(DESTDIR)/usr/share/gbootroot/yard/templates	
	cp -fa yard/templates/Example* $(DESTDIR)/usr/share/gbootroot/yard/templates	
		cp -fa yard/templates/Helper.yard $(DESTDIR)/usr/share/gbootroot/yard/templates
	install -d $(DESTDIR)/usr/share/gbootroot/genext2fs
	cp -fa genext2fs/genext2fs.c $(DESTDIR)/usr/share/gbootroot/genext2fs
	cp -fa genext2fs/Makefile $(DESTDIR)/usr/share/gbootroot/genext2fs
	cp -fa genext2fs/dev* $(DESTDIR)/usr/share/gbootroot/genext2fs
	cp -fa user-mode-linux/usr/bin/uml_*  $(DESTDIR)/usr/bin
	cp -fa user-mode-linux/usr/bin/tunctl $(DESTDIR)/usr/bin/tunctl
	cp -fa user-mode-linux/usr/bin/linuxbr $(DESTDIR)/usr/bin/linuxbr
	install -d $(DESTDIR)/etc/gbootroot
	cp -fa gbootrootrc $(DESTDIR)/etc/gbootroot/gbootrootrc
	install -d $(DESTDIR)/usr/X11R6/include/X11/pixmaps
	cp -fa gbootroot.xpm $(DESTDIR)/usr/X11R6/include/X11/pixmaps/gbootroot.xpm
	install -d $(DESTDIR)/usr/share/doc/gbootroot/html/images	
	cp -fa doc/html/{*html,*4} $(DESTDIR)/usr/share/doc/gbootroot/html
	cp -fa doc/html/images/{*jpg,*gif} $(DESTDIR)/usr/share/doc/gbootroot/html/images
	cp -fa Changes $(DESTDIR)/usr/share/doc/gbootroot/Changes


remove:
	rm /usr/bin/gbootroot
	rm -rf /usr/lib/bootroot
	rm -rf /usr/lib/uml
	rm /usr/bin/make_debian
	rm /usr/share/perl5/BootRoot/*
	rmdir /usr/share/perl5/BootRoot
	rm -rf /usr/share/gbootroot
	rm /usr/bin/uml_*
	rm /usr/bin/tunctl
	rm /usr/bin/linuxbr
	rm /etc/gbootroot/gbootrootrc
	rmdir /etc/gbootroot
	rm /usr/X11R6/include/X11/pixmaps/gbootroot.xpm
	rm -rf /usr/share/doc/gbootroot