This pr basically upgrade lz4 to v1.7.5 from https://github.com/lz4/lz4. Some method name in JNI file is changed because of the original method being deprecated in lz4.c . Also the xxhash directory is no longer needed because lz4 package already contains the xxhash.c & xxhash.h .
This pr basically upgrade lz4 to v1.7.5 from https://github.com/lz4/lz4. Some method name in JNI file is changed because of the original method being deprecated in lz4.c . Also the xxhash directory is no longer needed because lz4 package already contains the xxhash.c & xxhash.h .