From c8141741674cab9ac1af3d2cc16b0908ccd7657d Mon Sep 17 00:00:00 2001
From: Kim Alvefur <zash@zash.se>
Date: Fri, 1 Dec 2017 00:56:11 +0100
Subject: util.crand: Add comments about defines

---
 util-src/crand.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'util-src/crand.c')

diff --git a/util-src/crand.c b/util-src/crand.c
index 28b94b3b..762f7454 100644
--- a/util-src/crand.c
+++ b/util-src/crand.c
@@ -31,10 +31,12 @@
 #if defined(WITH_GETRANDOM)
 
 #ifndef __GLIBC_PREREQ
+/* Not compiled with glibc at all */
 #define __GLIBC_PREREQ(a,b) 0
 #endif
 
 #if ! __GLIBC_PREREQ(2,25)
+/* Not compiled with a glibc that provides getrandom() */
 #include <unistd.h>
 #include <sys/syscall.h>
 
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