Support building jffs2 filesystems. Update top level

makefile accordingly
This commit is contained in:
Eric Andersen 2003-01-17 04:31:36 +00:00
parent f541cb7fdc
commit 27bc59d488
2 changed files with 69 additions and 0 deletions

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@ -32,6 +32,7 @@ TARGETS=
# What sortof target system shall we compile this for?
ARCH:=i386
#ARCH:=arm
#ARCH:=powerpc
#ARCH:=whatever
# enable to build a native gcc toolchain with uclibc support
@ -53,6 +54,16 @@ BUILD_WITH_LARGEFILE:=true
# Command used to download source code
WGET:=wget --passive-ftp
# Optimize toolchain for which type of CPU?
#OPTIMIZE_FOR_CPU:=i486
#OPTIMIZE_FOR_CPU:=strongarm
#OPTIMIZE_FOR_CPU:=whatever
OPTIMIZE_FOR_CPU:=$(ARCH)
# Any additional gcc options you may want to include....
#EXTRA_GCC_CONFIG_OPTIONS:=--without-float
EXTRA_GCC_CONFIG_OPTIONS:=
#############################################################
#
# The list of stuff to build for the target filesystem
@ -95,6 +106,14 @@ TARGETS+=busybox tinylogin
# Pick your root filesystem type.
TARGETS+=ext2root
# Must mount cramfs with 'ramdisk_blocksize=4096'
#TARGETS+=cramfsroot
# You may need to edit make/jffs2root.mk to change target
# endian-ness or similar, but this is sufficient for most
# things as-is...
#TARGETS+=jffs2root
#############################################################
#
# You should probably leave this stuff alone unless you know
@ -116,6 +135,7 @@ TARGET_PATH:=$(STAGING_DIR)/bin:$(STAGING_DIR)/usr/bin:/bin:/sbin:/usr/bin:/usr/
STRIP:=$(TARGET_CROSS)strip --remove-section=.comment --remove-section=.note
#STRIP:=/bin/true
IMAGE:=$(BASE_DIR)/root_fs
GNU_TARGET_NAME:=$(OPTIMIZE_FOR_CPU)-pc-linux-gnu
ifneq ($(strip $(ARCH)),i386)
CROSS:=$(ARCH)-linux-
endif

49
make/jffs2root.mk Normal file
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@ -0,0 +1,49 @@
#############################################################
#
# mtd provides us with mkfs.jffs2, to target JFFS2 filesystems
#
#############################################################
MTD_DIR:=$(BUILD_DIR)/mtd-20011217
MTD_SOURCE=mtd_20011217.orig.tar.gz
MTD_SITE=http://ftp.debian.org/debian/pool/main/m/mtd
MKFS_JFFS2=$(shell which mkfs.jffs2 || echo $(MTD_DIR)/util/mkfs.jffs2)
$(DL_DIR)/$(MTD_SOURCE):
$(WGET) -P $(DL_DIR) $(MTD_SITE)/$(MTD_SOURCE)
$(MTD_DIR)/.unpacked: $(DL_DIR)/$(MTD_SOURCE)
zcat $(DL_DIR)/$(MTD_SOURCE) | tar -C $(BUILD_DIR) -xvf -
touch $(MTD_DIR)/.unpacked
$(MTD_DIR)/util/mkfs.jffs2: $(MTD_DIR)/.unpacked
CFLAGS=-I$(LINUX_DIR)/include $(MAKE) LINUXDIR=$(LINUX_DIR) -C $(MTD_DIR)/util
mtd: $(MKFS_JFFS2)
#############################################################
#
# Build the jffs2 root filesystem image
#
#############################################################
jffs2root: jffs2
-@find $(TARGET_DIR)/lib -type f -name \*.so\* | xargs $(STRIP) --strip-unneeded 2>/dev/null || true;
-@find $(TARGET_DIR) -type f -perm +111 | xargs $(STRIP) 2>/dev/null || true;
@rm -rf $(TARGET_DIR)/usr/man
@rm -rf $(TARGET_DIR)/usr/info
$(MKFS_JFFS2) --pad --little-endian --squash -e 0x20000 \
-D $(SOURCE_DIR)/device_table.txt -d $(TARGET_DIR) \
-o $(IMAGE)
jffs2root-source: $(DL_DIR)/$(GENEXT2_SOURCE)
jffs2root-clean:
-make -C $(GENEXT2_DIR) clean
jffs2root-dirclean:
rm -rf $(GENEXT2_DIR)