1 From f26c3979ab0325edb2e410d287bc501cf00e0ac0 Mon Sep 17 00:00:00 2001
2 From: Nikos Mavrogiannopoulos <nmav@redhat.com>
3 Date: Mon, 22 Aug 2016 16:32:34 +0200
4 Subject: [PATCH] rnd-linux: added check for SYS_getrandom being defined
6 This allows to compile the getrandom() code in old Linux systems
7 which do not have the system call defined.
10 Upstream-Status: Backport
11 Signed-off-by: Khem Raj <raj.khem@gmail.com>
13 lib/nettle/rnd-linux.c | 6 +++++-
14 1 file changed, 5 insertions(+), 1 deletion(-)
16 diff --git a/lib/nettle/rnd-linux.c b/lib/nettle/rnd-linux.c
17 index d7f07a6..7a24d05 100644
18 --- a/lib/nettle/rnd-linux.c
19 +++ b/lib/nettle/rnd-linux.c
20 @@ -56,7 +56,11 @@ static dev_t _gnutls_urandom_fd_rdev = 0;
22 # include <sys/syscall.h>
24 -# define getrandom(dst,s,flags) syscall(SYS_getrandom, (void*)dst, (size_t)s, (unsigned int)flags)
25 +# if defined(SYS_getrandom)
26 +# define getrandom(dst,s,flags) syscall(SYS_getrandom, (void*)dst, (size_t)s, (unsigned int)flags)
28 +# define getrandom(dst,s,flags) -1
32 static unsigned have_getrandom(void)