X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=usr%2FMakefile;h=6b4b6da0b67d948d8b027622a486a3e1d8b49bc1;hb=cc106eb35ed4abea675bce0d8fe40a46ff0b4a72;hp=e93824269da2aeebdd99c41aebda07a0eb0e5993;hpb=ff5417107b7615fcef772cabcb717f4a715ffadc;p=safe%2Fjmp%2Flinux-2.6 diff --git a/usr/Makefile b/usr/Makefile index e938242..6b4b6da 100644 --- a/usr/Makefile +++ b/usr/Makefile @@ -3,14 +3,28 @@ # klibcdirs:; +PHONY += klibcdirs + + +# Gzip +suffix_$(CONFIG_INITRAMFS_COMPRESSION_GZIP) = .gz + +# Bzip2 +suffix_$(CONFIG_INITRAMFS_COMPRESSION_BZIP2) = .bz2 + +# Lzma +suffix_$(CONFIG_INITRAMFS_COMPRESSION_LZMA) = .lzma + +# Lzo +suffix_$(CONFIG_INITRAMFS_COMPRESSION_LZO) = .lzo # Generate builtin.o based on initramfs_data.o -obj-y := initramfs_data.o +obj-$(CONFIG_BLK_DEV_INITRD) := initramfs_data$(suffix_y).o -# initramfs_data.o contains the initramfs_data.cpio.gz image. +# initramfs_data.o contains the compressed initramfs_data.cpio image. # The image is included using .incbin, a dependency which is not # tracked automatically. -$(obj)/initramfs_data.o: $(obj)/initramfs_data.cpio.gz FORCE +$(obj)/initramfs_data$(suffix_y).o: $(obj)/initramfs_data.cpio$(suffix_y) FORCE ##### # Generate the initramfs cpio archive @@ -18,30 +32,33 @@ $(obj)/initramfs_data.o: $(obj)/initramfs_data.cpio.gz FORCE hostprogs-y := gen_init_cpio initramfs := $(CONFIG_SHELL) $(srctree)/scripts/gen_initramfs_list.sh ramfs-input := $(if $(filter-out "",$(CONFIG_INITRAMFS_SOURCE)), \ - $(CONFIG_INITRAMFS_SOURCE),-d) + $(shell echo $(CONFIG_INITRAMFS_SOURCE)),-d) ramfs-args := \ $(if $(CONFIG_INITRAMFS_ROOT_UID), -u $(CONFIG_INITRAMFS_ROOT_UID)) \ $(if $(CONFIG_INITRAMFS_ROOT_GID), -g $(CONFIG_INITRAMFS_ROOT_GID)) -# .initramfs_data.cpio.gz.d is used to identify all files included +# .initramfs_data.cpio.d is used to identify all files included # in initramfs and to detect if any files are added/removed. # Removed files are identified by directory timestamp being updated # The dependency list is generated by gen_initramfs.sh -l -ifneq ($(wildcard $(obj)/.initramfs_data.cpio.gz.d),) - include $(obj)/.initramfs_data.cpio.gz.d +ifneq ($(wildcard $(obj)/.initramfs_data.cpio.d),) + include $(obj)/.initramfs_data.cpio.d endif quiet_cmd_initfs = GEN $@ cmd_initfs = $(initramfs) -o $@ $(ramfs-args) $(ramfs-input) -targets := initramfs_data.cpio.gz +targets := initramfs_data.cpio.gz initramfs_data.cpio.bz2 initramfs_data.cpio.lzma initramfs_data.cpio.lzo initramfs_data.cpio +# do not try to update files included in initramfs +$(deps_initramfs): ; + $(deps_initramfs): klibcdirs -# We rebuild initramfs_data.cpio.gz if: -# 1) Any included file is newer then initramfs_data.cpio.gz +# We rebuild initramfs_data.cpio if: +# 1) Any included file is newer then initramfs_data.cpio # 2) There are changes in which files are included (added or deleted) -# 3) If gen_init_cpio are newer than initramfs_data.cpio.gz +# 3) If gen_init_cpio are newer than initramfs_data.cpio # 4) arguments to gen_initramfs.sh changes -$(obj)/initramfs_data.cpio.gz: $(obj)/gen_init_cpio $(deps_initramfs) klibcdirs - $(Q)$(initramfs) -l $(ramfs-input) > $(obj)/.initramfs_data.cpio.gz.d +$(obj)/initramfs_data.cpio$(suffix_y): $(obj)/gen_init_cpio $(deps_initramfs) klibcdirs + $(Q)$(initramfs) -l $(ramfs-input) > $(obj)/.initramfs_data.cpio.d $(call if_changed,initfs)