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/mkhtemp.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

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

diff --git a/util/libreboot-utils/mkhtemp.c b/util/libreboot-utils/mkhtemp.c
index c8ddb1b1..86aab536 100644
--- a/util/libreboot-utils/mkhtemp.c
+++ b/util/libreboot-utils/mkhtemp.c
@@ -16,9 +16,8 @@
  * while the specification that it implements evolves.
  */
 
-#if !defined(_POSIX_C_SOURCE)
-/* for openat2 on linux */
-#define _POSIX_C_SOURCE 200809L
+#ifndef _XOPEN_SOURCE
+#define _XOPEN_SOURCE 700
 #endif
 
 #include <sys/types.h>
-- 
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