From 5e32245056f5a399a174da1ebeddf196ac1b7f3d Mon Sep 17 00:00:00 2001
From: =?utf8?q?R=C3=A9mi=20Denis-Courmont?= <rdenis@simphalempin.com>
Date: Mon, 1 Sep 2008 22:24:27 +0300
Subject: [PATCH] Look for fdatasync (OSX seems to lack it)

---
 configure.ac | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/configure.ac b/configure.ac
index c4ef5c383c..cdd23431de 100644
--- a/configure.ac
+++ b/configure.ac
@@ -578,6 +578,9 @@ AC_FUNC_ALLOCA
 AC_CHECK_FUNCS(fcntl)
 AC_REPLACE_FUNCS([asprintf atof atoll gmtime_r lldiv localtime_r rewind strcasecmp strcasestr strdup strlcpy strncasecmp strndup strnlen strsep strtof strtoll vasprintf swab])
 AC_CHECK_FUNCS([stricmp strnicmp])
+AC_CHECK_FUNCS(fdatasync,,
+  [AC_DEFINE(fdatasync, fsync, [Alias fdatasync() to fsync() if missing.])
+])
 
 dnl Check for Linux system calls
 AC_CHECK_FUNCS([vmsplice])
-- 
2.39.2