Tweak zstd autoconf check so the build works with older zstd

Summary: Ubuntu 16.10 has a package for zstd 0.5.1 which is too old to be used by folly.  With this change autoconf will check that one of the newer functions is present, disable zstd if not.

Reviewed By: Orvid, philippv

Differential Revision: D4219964

fbshipit-source-id: 1e64dfb62f81f7e61b097cb7d4fd3810da476625

diff --git a/folly/configure.ac b/folly/configure.ac
index ba3efd725bba9c893390a084a94548213489c2cc..a0cd818c7603e0afe2b280611243b39d12ef7237 100644 (file)
--- a/folly/configure.ac
+++ b/folly/configure.ac
@@ -559,7 +559,7 @@ AC_CHECK_HEADER([lz4.h], AC_CHECK_LIB([lz4], [LZ4_decompress_safe]))
 AC_CHECK_HEADER([snappy.h], AC_CHECK_LIB([snappy], [main]))
 AC_CHECK_HEADER([zlib.h], AC_CHECK_LIB([z], [main]))
 AC_CHECK_HEADER([lzma.h], AC_CHECK_LIB([lzma], [main]))
-AC_CHECK_HEADER([zstd.h], AC_CHECK_LIB([zstd], [main]))
+AC_CHECK_HEADER([zstd.h], AC_CHECK_LIB([zstd], [ZSTD_compressStream]))
 AC_CHECK_HEADER([linux/membarrier.h], AC_DEFINE([HAVE_LINUX_MEMBARRIER_H], [1], [Define to 1 if membarrier.h is available]))
 
 AC_ARG_ENABLE([follytestmain],