From 956c50882b749f8b3cc007aaec8c0a5c2c6725ee Mon Sep 17 00:00:00 2001
From: Kim Alvefur <zash@zash.se>
Date: Thu, 2 Mar 2017 00:17:34 +0100
Subject: util.crand: Only include getrandom shiv with glibc older than 2.25

---
 util-src/crand.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/util-src/crand.c b/util-src/crand.c
index 353b153c..ef9da4d2 100644
--- a/util-src/crand.c
+++ b/util-src/crand.c
@@ -28,17 +28,22 @@
 #include <errno.h>
 
 #if defined(WITH_GETRANDOM)
+
+#if ! __GLIBC_PREREQ(2,25)
 #include <unistd.h>
 #include <sys/syscall.h>
-#include <linux/random.h>
 
 #ifndef SYS_getrandom
 #error getrandom() requires Linux 3.17 or later
 #endif
 
+/* This wasn't present before glibc 2.25 */
 int getrandom(void *buf, size_t buflen, unsigned int flags) {
 	return syscall(SYS_getrandom, buf, buflen, flags);
 }
+#else
+#include <sys/random.h>
+#endif
 
 #elif defined(WITH_ARC4RANDOM)
 #include <stdlib.h>
-- 
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