target/ext2/ext2root.mk

   1 #############################################################
   2 #
   3 # genext2fs to build to target ext2 filesystems
   4 #
   5 #############################################################
   6 GENEXT2_DIR=$(BUILD_DIR)/genext2fs-1.3
   7 GENEXT2_SOURCE=genext2fs_1.3.orig.tar.gz
   8 GENEXT2_SITE=http://ftp.debian.org/debian/pool/main/g/genext2fs
   9 GENEXT2_PATCH=$(SOURCE_DIR)/genext2fs.patch
  10
  11 $(DL_DIR)/$(GENEXT2_SOURCE):
  12         $(WGET) -P $(DL_DIR) $(GENEXT2_SITE)/$(GENEXT2_SOURCE)
  13
  14 $(GENEXT2_DIR): $(DL_DIR)/$(GENEXT2_SOURCE) $(GENEXT2_PATCH)
  15         zcat $(DL_DIR)/$(GENEXT2_SOURCE) | tar -C $(BUILD_DIR) -xf -
  16         mv $(GENEXT2_DIR).orig $(GENEXT2_DIR)
  17         cat $(GENEXT2_PATCH) | patch -p1 -d $(GENEXT2_DIR)
  18
  19 $(GENEXT2_DIR)/genext2fs: $(GENEXT2_DIR)
  20         $(MAKE) CFLAGS="-Wall -O2 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE \
  21                 -D_FILE_OFFSET_BITS=64" -C $(GENEXT2_DIR);
  22         touch -c $(GENEXT2_DIR)/genext2fs
  23
  24 genext2fs: $(GENEXT2_DIR)/genext2fs
  25
  26
  27
  28 #############################################################
  29 #
  30 # Build the ext2 root filesystem image
  31 #
  32 #############################################################
  33
  34 # How much KB we want to add to the calculated size for slack space
  35 GENEXT2_REALSIZE=$(subst total,, $(shell LANG=C du $(TARGET_DIR) -s -c -k | grep total ))
  36 GENEXT2_ADDTOROOTSIZE=$(shell if [ $(GENEXT2_REALSIZE) -ge 20000 ] ; then echo 16384; else echo 16; fi)
  37 GENEXT2_SIZE=$(shell expr $(GENEXT2_REALSIZE) + $(GENEXT2_ADDTOROOTSIZE) + 200)
  38 # We currently add about 400 device nodes, so add that into the total
  39 GENEXT2_INODES=$(shell expr $(shell find $(TARGET_DIR) | wc -l) + 400)
  40 #GENEXT2_SIZE=100000
  41
  42 ext2root: genext2fs $(TARGETS)
  43         #-@find $(TARGET_DIR)/lib -type f -name \*.so\* | xargs $(STRIP) --strip-unneeded 2>/dev/null || true;
  44         -@find $(TARGET_DIR) -type f -perm +111 | xargs $(STRIP) 2>/dev/null || true;
  45         $(GENEXT2_DIR)/genext2fs -i $(GENEXT2_INODES) -b $(GENEXT2_SIZE) \
  46                 -d $(TARGET_DIR) -q -D $(SOURCE_DIR)/device_table.txt $(IMAGE)
  47
  48 ext2root-source: $(DL_DIR)/$(GENEXT2_SOURCE)
  49
  50 ext2root-clean:
  51         -$(MAKE) -C $(GENEXT2_DIR) clean
  52
  53 ext2root-dirclean:
  54         rm -rf $(GENEXT2_DIR)
  55
  56 ifeq ($(strip $(BR2_TARGET_ROOTFS_EXT2)),y)
  57 TARGET_FS+=ext2root
  58 endif