1 files changed, 53 insertions, 0 deletions
diff --git a/make/ext2root.mk b/make/ext2root.mk
new file mode 100644
index 000000000..37a9da2c0
--- /dev/null
+++ b/make/ext2root.mk
@@ -0,0 +1,53 @@
+#############################################################
+#
+# genext2fs to build to target ext2 filesystems
+#
+#############################################################
+GENEXT2_DIR=$(BUILD_DIR)/genext2fs-1.3.orig
+GENEXT2_SOURCE=genext2fs_1.3.orig.tar.gz
+GENEXT2_SITE=http://ftp.debian.org/debian/pool/main/g/genext2fs
+GENEXT2_PATCH=$(SOURCE_DIR)/genext2fs.patch
+
+$(DL_DIR)/$(GENEXT2_SOURCE):
+	wget -P $(DL_DIR) --passive-ftp $(GENEXT2_SITE)/$(GENEXT2_SOURCE)
+
+$(GENEXT2_DIR): $(DL_DIR)/$(GENEXT2_SOURCE) $(GENEXT2_PATCH)
+	zcat $(DL_DIR)/$(GENEXT2_SOURCE) | tar -C $(BUILD_DIR) -xvf -
+	cat $(GENEXT2_PATCH) | patch -p1 -d $(GENEXT2_DIR)
+
+$(GENEXT2_DIR)/genext2fs: $(GENEXT2_DIR)
+	$(MAKE) CFLAGS="-Wall -O2 -D_FILE_OFFSET_BITS=64 -D__USE_FILE_OFFSET64" -C $(GENEXT2_DIR);
+	touch -c $(GENEXT2_DIR)/genext2fs
+
+genext2fs: $(GENEXT2_DIR)/genext2fs
+
+
+
+#############################################################
+#
+# Build the ext2 root filesystem image
+#
+# Known problems :
+#  - genext2fs: couldn't allocate a block (no free space)
+#  
+#    Since genext2fs allocates only one group of blocks, the FS 
+#    size is limited to a maximum of 8 Mb.
+#
+#############################################################
+# FIXME -- calculate these numbers...
+SIZE=4000
+INODES=1000
+
+ext2root: genext2fs #$(shell find $(TARGET_DIR) -type f)
+	-@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 $(INODES) -b $(SIZE) -d $(TARGET_DIR) -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)
+