1 files changed, 55 insertions, 0 deletions
diff --git a/target/ext2/ext2root.mk b/target/ext2/ext2root.mk
new file mode 100644
index 000000000..ff2877145
--- /dev/null
+++ b/target/ext2/ext2root.mk
@@ -0,0 +1,55 @@
+#############################################################
+#
+# genext2fs to build to target ext2 filesystems
+#
+#############################################################
+GENEXT2_DIR=$(BUILD_DIR)/genext2fs-1.3
+GENEXT2_SOURCE=genext2fs_1.3.orig.tar.gz
+GENEXT2_SITE=http://ftp.debian.org/debian/pool/main/g/genext2fs
+GENEXT2_PATCH=$(SOURCE_DIR)/genext2fs.patch
+
+$(DL_DIR)/$(GENEXT2_SOURCE):
+	$(WGET) -P $(DL_DIR) $(GENEXT2_SITE)/$(GENEXT2_SOURCE)
+
+$(GENEXT2_DIR): $(DL_DIR)/$(GENEXT2_SOURCE) $(GENEXT2_PATCH)
+	zcat $(DL_DIR)/$(GENEXT2_SOURCE) | tar -C $(BUILD_DIR) -xvf -
+	mv $(GENEXT2_DIR).orig $(GENEXT2_DIR)
+	cat $(GENEXT2_PATCH) | patch -p1 -d $(GENEXT2_DIR)
+
+$(GENEXT2_DIR)/genext2fs: $(GENEXT2_DIR)
+	$(MAKE) CFLAGS="-Wall -O2 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE \
+		-D_FILE_OFFSET_BITS=64" -C $(GENEXT2_DIR);
+	touch -c $(GENEXT2_DIR)/genext2fs
+
+genext2fs: $(GENEXT2_DIR)/genext2fs
+
+
+
+#############################################################
+#
+# Build the ext2 root filesystem image
+#
+#############################################################
+
+# How much KB we want to add to the calculated size for slack space
+GENEXT2_REALSIZE=$(subst total,, $(shell LANG=C du $(TARGET_DIR) -s -c -k | grep total ))
+GENEXT2_ADDTOROOTSIZE=$(shell if [ $(GENEXT2_REALSIZE) -ge 20000 ] ; then echo 16384; else echo 16; fi)
+GENEXT2_SIZE=$(shell expr $(GENEXT2_REALSIZE) + $(GENEXT2_ADDTOROOTSIZE) + 200)
+# We currently add about 400 device nodes, so add that into the total
+GENEXT2_INODES=$(shell expr $(shell find $(TARGET_DIR) | wc -l) + 400)
+#GENEXT2_SIZE=100000
+
+ext2root: genext2fs
+	#-@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;
+	$(GENEXT2_DIR)/genext2fs -i $(GENEXT2_INODES) -b $(GENEXT2_SIZE) \
+		-d $(TARGET_DIR) -q -D $(SOURCE_DIR)/device_table.txt $(IMAGE)
+
+ext2root-source: $(DL_DIR)/$(GENEXT2_SOURCE)
+
+ext2root-clean:
+	-$(MAKE) -C $(GENEXT2_DIR) clean
+
+ext2root-dirclean:
+	rm -rf $(GENEXT2_DIR)
+