From abb425e70f217eb660aadb29885e07a7238b7feb Mon Sep 17 00:00:00 2001
From: Kim Alvefur <zash@zash.se>
Date: Sun, 3 Dec 2017 15:21:12 +0100
Subject: util.crand: Make it possible to use arc4random on Linux (needs
 libbsd)

---
 configure        | 2 ++
 util-src/crand.c | 6 +++++-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/configure b/configure
index c26f78ed..13f7eff3 100755
--- a/configure
+++ b/configure
@@ -528,6 +528,8 @@ OPENSSL_LIBS="-l$OPENSSL_LIB"
 
 if [ "$PRNG" = "OPENSSL" ]; then
    PRNGLIBS=$OPENSSL_LIBS
+elif [ "$PRNG" = "ARC4RANDOM" -a "$(uname)" = "Linux" ]; then
+   PRNGLIBS="-lbsd"
 fi
 
 # Write config
diff --git a/util-src/crand.c b/util-src/crand.c
index ab2f4ad1..cdc3c211 100644
--- a/util-src/crand.c
+++ b/util-src/crand.c
@@ -54,7 +54,11 @@ int getrandom(void *buf, size_t buflen, unsigned int flags) {
 
 #elif defined(WITH_OPENSSL)
 #include <openssl/rand.h>
-#elif ! defined(WITH_ARC4RANDOM)
+#elif defined(WITH_ARC4RANDOM)
+#ifdef __linux__
+#include <bsd/stdlib.h>
+#endif
+#else
 #error util.crand compiled without a random source
 #endif
 
-- 
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