quiet_cmd_lzma = LZMA $@
-cmd_lzma = (lzma -9 -c $< && $(size_append) $<) >$@ || (rm -f $@ ; false)
+cmd_lzma = lzma e $< $@ -lc1 -lp2 -pb2 -eos
+--- a/scripts/gen_initramfs_list.sh
++++ b/scripts/gen_initramfs_list.sh
+@@ -225,7 +225,7 @@ cpio_list=
+ output="/dev/stdout"
+ output_file=""
+ is_cpio_compressed=
+-compr="gzip -9 -f"
++compr="gzip -9 -f -"
+
+ arg="$1"
+ case "$arg" in
+@@ -239,9 +239,9 @@ case "$arg" in
+ output_file="$1"
+ cpio_list="$(mktemp ${TMPDIR:-/tmp}/cpiolist.XXXXXX)"
+ output=${cpio_list}
+- echo "$output_file" | grep -q "\.gz$" && compr="gzip -9 -f"
+- echo "$output_file" | grep -q "\.bz2$" && compr="bzip2 -9 -f"
+- echo "$output_file" | grep -q "\.lzma$" && compr="lzma -9 -f"
++ echo "$output_file" | grep -q "\.gz$" && compr="gzip -9 -f -"
++ echo "$output_file" | grep -q "\.bz2$" && compr="bzip2 -9 -f -"
++ echo "$output_file" | grep -q "\.lzma$" && compr="lzma e -d20 -lc1 -lp2 -pb2 -si -so"
+ echo "$output_file" | grep -q "\.cpio$" && compr="cat"
+ shift
+ ;;
+@@ -292,7 +292,7 @@ if [ ! -z ${output_file} ]; then
+ if [ "${is_cpio_compressed}" = "compressed" ]; then
+ cat ${cpio_tfile} > ${output_file}
+ else
+- (cat ${cpio_tfile} | ${compr} - > ${output_file}) \
++ (cat ${cpio_tfile} | ${compr} > ${output_file}) \
+ || (rm -f ${output_file} ; false)
+ fi
+ [ -z ${cpio_file} ] && rm ${cpio_tfile}
+--- a/lib/decompress.c
++++ b/lib/decompress.c
+@@ -32,6 +32,7 @@ static const struct compress_format {
+ { {037, 0236}, "gzip", gunzip },
+ { {0x42, 0x5a}, "bzip2", bunzip2 },
+ { {0x5d, 0x00}, "lzma", unlzma },
++ { {0x6d, 0x00}, "lzma-openwrt", unlzma },
+ { {0, 0}, NULL, NULL }
+ };
+