Magellan Linux

  • Back to homepage
    • /[magellan-source]/trunk/mkinitrd-magellan/klibc/usr/Kbuild

    Contents of /trunk/mkinitrd-magellan/klibc/usr/Kbuild

    Parent Directory Parent Directory | Revision Log Revision Log

    Revision 815 - (show annotations) (download)
    Fri Apr 24 18:32:46 2009 UTC (15 years ago) by niro
    File size: 2649 byte(s) 
    -updated to klibc-1.5.15
    1 #
    2 # kbuild file for usr/ - including initramfs image and klibc
    3 #
    4
    5 CONFIG_KLIBC := 1
    6
    7 include-subdir := include
    8 klibc-subdir := klibc
    9 usr-subdirs := kinit utils dash gzip
    10 subdir- := $(include-subdir) $(klibc-subdir) $(usr-subdirs)
    11
    12 usr-subdirs := $(addprefix _usr_,$(usr-subdirs))
    13 klibc-subdir := $(addprefix _usr_,$(klibc-subdir))
    14
    15 # klibc binaries
    16 ifdef CONFIG_KLIBC
    17
    18 # .initramfs_data.cpio.gz.d is used to identify all files included
    19 # in initramfs and to detect if any files are added/removed.
    20 # Removed files are identified by directory timestamp being updated
    21 # The dependency list is generated by gen_initramfs.sh -l
    22 ifneq ($(wildcard $(obj)/.initramfs_data.cpio.gz.d),)
    23 include $(obj)/.initramfs_data.cpio.gz.d
    24 endif
    25
    26 # build klibc library before the klibc programs
    27 # build klibc programs before cpio.gz
    28 .PHONY: initramfs $(usr-subdirs) $(klibc-subdir) $(include-subdir)
    29 initramfs: $(usr-subdirs) $(klibc-subdir) $(include-subdir)
    30 $(deps_initramfs): $(usr-subdirs) $(klibc-subdir) $(include-subdir)
    31
    32 $(usr-subdirs): $(klibc-subdir)
    33 $(Q)$(MAKE) $(klibc)=$(src)/$(patsubst _usr_%,%,$(@))
    34
    35 $(klibc-subdir): $(include-subdir)
    36 $(Q)$(MAKE) $(klibc)=$(src)/$(patsubst _usr_%,%,$(@))
    37
    38 $(include-subdir):
    39 $(Q)$(MAKE) $(klibc)=$(src)/$(patsubst _usr_%,%,$(@))
    40 endif
    41
    42
    43 # Generate builtin.o based on initramfs_data.o
    44 obj-y := initramfs_data.o
    45
    46 # initramfs_data.o contains the initramfs_data.cpio.gz image.
    47 # The image is included using .incbin, a dependency which is not
    48 # tracked automatically.
    49 $(obj)/initramfs_data.o: $(obj)/initramfs_data.cpio.gz FORCE
    50
    51 #####
    52 # Generate the initramfs cpio archive
    53
    54 hostprogs-y := gen_init_cpio
    55 ginitramfs := $(CONFIG_SHELL) $(srctree)/scripts/gen_initramfs_list.sh
    56 ramfs-def := $(srctree)/$(src)/initramfs.default
    57 ramfs-input := $(shell echo $(CONFIG_INITRAMFS_SOURCE))
    58 ramfs-input := $(if $(ramfs-input), $(ramfs-input), $(ramfs-def))
    59
    60 ramfs-args := \
    61 $(if $(CONFIG_INITRAMFS_ROOT_UID), -u $(CONFIG_INITRAMFS_ROOT_UID)) \
    62 $(if $(CONFIG_INITRAMFS_ROOT_GID), -g $(CONFIG_INITRAMFS_ROOT_GID))
    63
    64 quiet_cmd_initfs = GEN $@
    65 cmd_initfs = $(ginitramfs) -o $@ $(ramfs-args) $(ramfs-input)
    66
    67 targets := initramfs_data.cpio.gz
    68 # We rebuild initramfs_data.cpio.gz if:
    69 # 1) Any included file is newer then initramfs_data.cpio.gz
    70 # 2) There are changes in which files are included (added or deleted)
    71 # 3) If gen_init_cpio are newer than initramfs_data.cpio.gz
    72 # 4) arguments to gen_initramfs.sh changes
    73 $(obj)/initramfs_data.cpio.gz: $(obj)/gen_init_cpio $(deps_initramfs) initramfs
    74 $(Q)$(ginitramfs) -l $(ramfs-input) > $(obj)/.initramfs_data.cpio.gz.d
    75 $(call if_changed,initfs)