From 2c40ad78166c4cdb667caf4238080a4708c43326 Mon Sep 17 00:00:00 2001
From: Leah Rowe <leah@libreboot.org>
Date: Wed, 1 Apr 2026 11:36:41 +0100
Subject: lbutils: only use GNU SOURCE for syscall

and remove manual prototypes; fchmod, realpath
and so on rely on the _XOPEN_SOURCE macro.

the POSIX macro wasn't needed: _XOPEN_SOURCE
is sufficient.

Signed-off-by: Leah Rowe <leah@libreboot.org>
---
 util/libreboot-utils/lib/rand.c | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

(limited to 'util/libreboot-utils/lib/rand.c')

diff --git a/util/libreboot-utils/lib/rand.c b/util/libreboot-utils/lib/rand.c
index 8c3fbf4c..726d5cd2 100644
--- a/util/libreboot-utils/lib/rand.c
+++ b/util/libreboot-utils/lib/rand.c
@@ -7,19 +7,21 @@
 #ifndef RAND_H
 #define RAND_H
 
-#ifdef __OpenBSD__
-#include <sys/param.h>
-#endif
-#include <sys/types.h>
-
 #if defined(USE_URANDOM) && \
     ((USE_URANDOM) > 0)
 #include <fcntl.h> /* if not arc4random: /dev/urandom */
 #elif defined(__linux__)
-#include <sys/random.h>
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE 1
+#endif
 #include <sys/syscall.h>
-long syscall(long number, ...);
+#include <sys/random.h>
+#endif
+
+#ifdef __OpenBSD__
+#include <sys/param.h>
 #endif
+#include <sys/types.h>
 
 #include <errno.h>
 #include <fcntl.h>
-- 
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