--- linux-4.9.37/lib/Makefile	2017-07-12 16:42:41.000000000 +0300
+++ linux-4.9.y/lib/Makefile	2021-06-07 13:01:34.000000000 +0300
@@ -1,6 +1,15 @@
 #
 # Makefile for some libs needed in the kernel.
 #
+ifdef CONFIG_JFFS2_ZLIB
+	CONFIG_ZLIB_INFLATE:=y
+	CONFIG_ZLIB_DEFLATE:=y
+endif
+
+ifdef CONFIG_JFFS2_LZMA
+	CONFIG_LZMA_DECOMPRESS:=y
+	CONFIG_LZMA_COMPRESS:=y
+endif
 
 ifdef CONFIG_FUNCTION_TRACER
 ORIG_CFLAGS := $(KBUILD_CFLAGS)
@@ -108,6 +117,8 @@
 obj-$(CONFIG_LZ4_DECOMPRESS) += lz4/
 obj-$(CONFIG_XZ_DEC) += xz/
 obj-$(CONFIG_RAID6_PQ) += raid6/
+obj-$(CONFIG_LZMA_COMPRESS) += lzma/
+obj-$(CONFIG_LZMA_DECOMPRESS) += lzma/
 
 lib-$(CONFIG_DECOMPRESS_GZIP) += decompress_inflate.o
 lib-$(CONFIG_DECOMPRESS_BZIP2) += decompress_bunzip2.o