From bcd34f4959206491be82abbf3f7124b03a5deb27 Mon Sep 17 00:00:00 2001
From: default
Date: Sun, 5 Jan 2025 14:00:13 +0100
Subject: More sandbox compilation tweaks under Alpine Linux.

---
 README.md | 2 +-
 sandbox.c | 2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 62bb910..23e7586 100644
--- a/README.md
+++ b/README.md
@@ -76,7 +76,7 @@ If it still gives compilation errors (because your system does not implement the
 make CFLAGS=-DWITHOUT_SHM
 ```
 
-If compilation fails on Linux with the message `no landlock on kernels older than...` or complaining about not finding the `linux/landlock.h` header, then your system lacks support for Linux Landlock sandboxing (new in snac v2.68); to disable it, run
+If compilation fails on Linux with the message `no landlock on kernels older than...` or complaining about not being able to compile `sandbox.c`, then your system lacks support for Linux Landlock sandboxing (new in snac v2.68); to disable it, run
 
 ```sh
 make CFLAGS=-DWITHOUT_SANDBOX
diff --git a/sandbox.c b/sandbox.c
index 0d82f58..f6f8d67 100644
--- a/sandbox.c
+++ b/sandbox.c
@@ -3,11 +3,13 @@
 #include "snac.h"
 
 #ifdef __linux__
+#ifndef WITHOUT_SANDBOX
 #include <linux/version.h>
 
 #if LINUX_VERSION_CODE < KERNEL_VERSION(5, 13, 0)
 #define WITHOUT_SANDBOX
 #endif
+#endif
 #endif /* __linux__ */
 
 
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