v1.3.8
fix confusion between unsigned <-> U32
Merge pull request #1471 from facebook/nofloat
fixed zbufftest
added constant ZSTD_WINDOWLOG_LIMIT_DEFAULT
makes it possible to compile libzstd in single-thread mode without zstdmt_compress.c (#819)
Fix buck for lib
Add Logic to Makefile to Convert Make Vars to Defines
updated libzstd documentation
updated pkg config file
fixed ovlog tests