From: antirez <antirez@gmail.com>
Date: Fri, 26 Oct 2012 13:38:21 +0000 (+0200)
Subject: Marginally more robust glibc version test for sync_file_range detection.
X-Git-Url: https://git.saurik.com/redis.git/commitdiff_plain/89423052cab4700291f290819d53f4fbb8dabf95?hp=4800331bf859f5bb0313a7187963f1cc9b7e2a1c

Marginally more robust glibc version test for sync_file_range detection.
---

diff --git a/src/config.h b/src/config.h
index 57acb6db..5e6d2807 100644
--- a/src/config.h
+++ b/src/config.h
@@ -57,7 +57,7 @@
 #ifdef __linux__
 #include <linux/version.h>
 #include <features.h>
-#ifdef __GLIBC__
+#if defined(__GLIBC__) && defined(__GLIBC_PREREQ)
 #if (LINUX_VERSION_CODE >= 0x020611 && __GLIBC_PREREQ(2, 6))
 #define HAVE_SYNC_FILE_RANGE 1
 #endif