diff options
Diffstat (limited to 'usr/Makefile')
| -rw-r--r-- | usr/Makefile | 50 |
1 files changed, 36 insertions, 14 deletions
diff --git a/usr/Makefile b/usr/Makefile index e338e7bedb2..e767f019acc 100644 --- a/usr/Makefile +++ b/usr/Makefile @@ -6,13 +6,33 @@ klibcdirs:; PHONY += klibcdirs +# Bzip2 +suffix_$(CONFIG_RD_BZIP2) = .bz2 + +# Lzma +suffix_$(CONFIG_RD_LZMA) = .lzma + +# XZ +suffix_$(CONFIG_RD_XZ) = .xz + +# Lzo +suffix_$(CONFIG_RD_LZO) = .lzo + +# Lz4 +suffix_$(CONFIG_RD_LZ4) = .lz4 + +# Gzip +suffix_$(CONFIG_RD_GZIP) = .gz + +AFLAGS_initramfs_data.o += -DINITRAMFS_IMAGE="usr/initramfs_data.cpio$(suffix_y)" + # Generate builtin.o based on initramfs_data.o -obj-y := initramfs_data.o +obj-$(CONFIG_BLK_DEV_INITRD) := initramfs_data.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.o: $(obj)/initramfs_data.cpio$(suffix_y) FORCE ##### # Generate the initramfs cpio archive @@ -20,33 +40,35 @@ $(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.xz \ + initramfs_data.cpio.lzo initramfs_data.cpio.lz4 \ + 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) - |