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 ba3efd7..a0cd818 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],