Add a fallback definition for __NR_getrandom for ARM linux
@@ -254,6 +254,13 @@ static ssize_t sysctl_random(char *buf, size_t buflen)
# endif
# if defined(OPENSSL_RAND_SEED_GETRANDOM)
+
+# if defined(__linux) && !defined(__NR_getrandom)
+# if defined(__arm__) && defined(__NR_SYSCALL_BASE)
+# define __NR_getrandom (__NR_SYSCALL_BASE+384)
+# endif
+# endif
+
/*
* syscall_random(): Try to get random data using a system call
* returns the number of bytes returned in buf, or < 0 on error.
