Makefile.needlessly_complicated

   1 VERSION:="3.0"
   2 FULL_VERSION_STRING:="PlanetLab BootCD $(VERSION)"
   3 ROOT_PASSWD:='$1$IdEn2srw$/TfrjZSPUC1xP244YCuIi0'
   4 CDRECORD_FLAGS:="-v -dao -blank=fast"
   5
   6 SYSLINUX:=sources/syslinux-2.11.tar.bz2
   7 CD_IMAGE:=cd.iso
   8 CD_ROOT:=cdroot
   9 CD_PWD:=$(shell pwd)
  10 BOOTCD_YUM_GROUP:=BootCD
  11
  12 INITRD_MOUNT:=rd
  13 CD_ROOT_USR:=usr-cd
  14 INITRD_SIZE:=64
  15 INITRD:=$(CD_ROOT)/$(CD_ROOT_USR)/isolinux/initrd
  16
  17 CONF_FILES_DIR=conf_files
  18
  19 PRE_CONF_FILES=etc/fstab \
  20                    etc/mtab \
  21                    etc/rpm/macros
  22
  23 POST_CONF_FILES=etc/inittab \
  24                 etc/init.d/pl_hwinit \
  25                 etc/init.d/pl_sysinit \
  26                 etc/modprobe.conf \
  27                 etc/hosts
  28
  29 # directories in the cd root to move to /usr/relocated to reduce ramdisk size
  30 RELOCATE_DIRS=$(CD_ROOT)/lib/tls \
  31               $(CD_ROOT)/var/lib/rpm
  32
  33 RELOCATE_DEST_DIR=usr/relocated
  34
  35 CD_PRE_CONF_FILES:=$(patsubst %,$(CD_ROOT)/%,$(PRE_CONF_FILES))
  36 CD_POST_CONF_FILES:=$(patsubst %,$(CD_ROOT)/%,$(POST_CONF_FILES))
  37 CD_RELOCATED_DIRS:=$(patsubst %,$(CD_ROOT)/usr/relocated/%,$(RELOCATE_DIRS))
  38
  39 all: $(CD_IMAGE)
  40
  41
  42 $(CD_IMAGE): $(CD_PRE_CONF_FILES) $(CD_POST_CONF_FILES) $(CD_ROOT)/.built $(CD_ROOT)/.config $(INITRD).gz $(CD_RELOCATED_DIRS)
  43         @echo "building iso"
  44         mkisofs -o $(CD_IMAGE) -R -allow-leading-dots -J -r \
  45             -b isolinux/isolinux.bin -c isolinux/boot.cat \
  46             -no-emul-boot -boot-load-size 4 -boot-info-table \
  47             -V PlanetLab-3-0 $(CD_ROOT)/usr
  48
  49
  50 $(CD_ROOT)/.built: $(PRE_YUM)
  51         @echo "initialize rpm db"
  52
  53         mkdir -p $(CD_ROOT)/var/lib/rpm
  54         rpm --root $(CD_PWD)/$(CD_ROOT) --initdb
  55
  56         @echo "install boot cd base rpms"
  57         yum -c yum.conf --installroot=$(CD_PWD)/$(CD_ROOT) \
  58             -y groupinstall $(BOOTCD_YUM_GROUP)
  59
  60         touch $(CD_ROOT)/.built
  61
  62 $(CD_RELOCATED_DIRS): $(CD_ROOT)/.built
  63 $(CD_RELOCATED_DIRS): $(CD_ROOT)/$(RELOCATE_DEST_DIR)% : $(CD_ROOT)/%
  64         @echo "relocate some large directories out of the root system"
  65         mkdir -p $@
  66         mv $< $@
  67         ln -s $@ $<
  68
  69
  70 $(CD_PRE_CONF_FILES): $(CD_ROOT)/% : $(CONF_FILES_DIR)/%
  71         mkdir -p $(dir $@)
  72         cp -a $< $@
  73
  74
  75 $(CD_POST_CONF_FILES): $(CD_ROOT)/.built $(CD_ROOT)/etc/pl_pcitable
  76
  77 $(CD_POST_CONF_FILES): $(CD_ROOT)/% : $(CONF_FILES_DIR)/%
  78         mkdir -p $(dir $@)
  79         cp -a $< $@
  80
  81
  82 $(CD_ROOT)/usr/isolinux/.built:
  83         @echo "extracting syslinux, copying isolinux files to cd"
  84
  85         mkdir -p syslinux
  86         mkdir -p $(CD_ROOT)/usr/isolinux/
  87
  88         tar -C syslinux -xjvf $(SYSLINUX)
  89         find syslinux -name isolinux.bin -exec cp -f {} $(CD_ROOT)/usr/isolinux/ \;
  90
  91         cp -f $(CONF_FILES_DIR)/usr/isolinux/isolinux.cfg $(CD_ROOT)/usr/isolinux/
  92         echo "$(FULL_VERSION_STRING)" > $(CD_ROOT)/usr/isolinux/message.txt
  93
  94         touch $(CD_ROOT)/usr/isolinux/.built
  95
  96
  97 $(CD_ROOT)/etc/pl_pcitable:
  98         scripts/rewrite-pcitable.py \
  99             $(wildcard $(CD_ROOT)/lib/modules/*/modules.pcimap) \
 100             $(CD_ROOT)/etc/pl_pcitable
 101
 102
 103 $(INITRD).gz: $(CD_ROOT)/.built
 104         (cd $(CD_ROOT) && mv usr $(CD_ROOT_USR))
 105         mkdir $(CD_ROOT)/usr
 106
 107         dd if=/dev/zero of=$(INITRD) bs=1M count=$(INITRD_SIZE)
 108         mkfs.ext2 -F -m 0 -i 1024 $(INITRD)
 109
 110         mkdir -p $(INITRD_MOUNT)
 111         mount -o loop,rw $(INITRD) $(INITRD_MOUNT)
 112         (cd $(CD_ROOT) && tar --exclude $(CD_ROOT_USR) -cf initrdcontents.tar *)
 113         tar -C $(INITRD_MOUNT) -xf $(CD_ROOT)/initrdcontents.tar
 114         umount $(INITRD_MOUNT)
 115         rmdir $(INITRD_MOUNT)
 116
 117         gzip $(INITRD)
 118
 119         rm -f $(CD_ROOT)/initrdcontents.tar
 120         rmdir $(CD_ROOT)/usr
 121         (cd $(CD_ROOT) && mv $(CD_ROOT_USR) usr)
 122
 123
 124 $(CD_ROOT)/.config: $(CD_ROOT)/.built $(CD_ROOT)/usr/isolinux/.built
 125         @echo "removing unneccessary build files"
 126         rm -rf $(wildcard $(CD_ROOT)/lib/modules/*/build/)
 127
 128         @echo "setting up non-ssh authentication"
 129         mkdir -p $(CD_ROOT)/etc/samba
 130         chroot $(CD_ROOT) /usr/sbin/authconfig --nostart --kickstart \
 131             --enablemd5 --enableshadow
 132
 133         @echo "setting root password"
 134         sed -i "s#root::#root:$(ROOT_PASSWD):#g" $(CD_ROOT)/etc/shadow
 135
 136         echo "$(FULL_VERSION_STRING)" > $(CD_ROOT)/usr/isolinux/pl_version
 137         echo "$(FULL_VERSION_STRING)" > $(CD_ROOT)/pl_version
 138
 139
 140         echo "moving kernel to isolinux directory"
 141         mkdir -p $(CD_ROOT)/usr/isolinux/
 142         mv -f $(wildcard $(CD_ROOT)/boot/vmlinuz-*) $(CD_ROOT)/usr/isolinux/kernel
 143
 144
 145
 146 cdr: $(CD_IMAGE)
 147         cdrecord $(CDRECORD_FLAGS) -data $(CD_IMAGE)
 148
 149 clean:
 150         rm -rf $(CD_ROOT)
 151         rm -f $(CD_IMAGE)
 152
 153
 154 .PHONY: all cdr clean