From 468b76023a2dfb750c4d5e9b184f230c5b6ec670 Mon Sep 17 00:00:00 2001
From: Callum Farmer <gmbr3@opensuse.org>
Date: Sun, 11 Sep 2022 12:57:05 +0100
Subject: [PATCH] genauth: fix build with arc4random in glibc 2.36
Patch-mainline: to be upstreamed
References: https://gitlab.freedesktop.org/xorg/app/xdm/-/merge_requests/11
            bsc#1202222

HAVE_ARC4RANDOM is defined under glibc 2.36 but this will attempt to include
<bsd/stdlib.h> from libbsd instead of <stdlib.h> from glibc

Signed-off-by: Callum Farmer <gmbr3@opensuse.org>
---
 xdm/genauth.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/xdm/genauth.c b/xdm/genauth.c
index 38a0215..de7abfc 100644
--- a/xdm/genauth.c
+++ b/xdm/genauth.c
@@ -42,7 +42,15 @@ from The Open Group.
 
 #ifdef HAVE_ARC4RANDOM
 # ifdef __linux__
-#  include <bsd/stdlib.h>
+#  if defined(__GLIBC__) && defined(__GLIBC_PREREQ)
+#   if __GLIBC_PREREQ(2, 36)
+#    include <stdlib.h>
+#   else
+#    include <bsd/stdlib.h>
+#   endif
+#  else
+#   include <bsd/stdlib.h>
+#  endif
 # else
 #  include <stdlib.h>
 # endif
-- 
GitLab