From: Lovro Puzar <lovro@fb.com>
Date: Tue, 22 Nov 2016 18:45:34 +0000 (-0800)
Subject: Tweak zstd autoconf check so the build works with older zstd
X-Git-Tag: v2016.11.28.00~11
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;ds=sidebyside;h=4432fc2457d2bdeea3e910a6dade8560e283f959;p=folly.git

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 ba3efd72..a0cd818c 100644
--- 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],