From 1ee291139fcb05335961562cf1baa1aa632c2abf Mon Sep 17 00:00:00 2001
From: Reepca Russelstein <reepca@russelstein.xyz>
Date: Thu, 26 Jun 2025 01:28:02 -0500
Subject: daemon: Fix build of spawn.cc for non-Linux and newer GCC.
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* nix/libutil/spawn.cc: Include <fcntl.h> and <cstdint>.
(cloneChild): Wrap body in #if CLONE_ENABLED.

Change-Id: I0be7e6dbe80ac2f7022793149472270a4e49d23c
Signed-off-by: Ludovic Courtès <ludo@gnu.org>
---
 nix/libutil/spawn.cc | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'nix')

diff --git a/nix/libutil/spawn.cc b/nix/libutil/spawn.cc
index 414849b6f04..2e3e1ac1a79 100644
--- a/nix/libutil/spawn.cc
+++ b/nix/libutil/spawn.cc
@@ -26,8 +26,10 @@
 #include <grp.h>
 #include <limits.h>
 #include <sys/wait.h>
+#include <fcntl.h>
 #include <cstring>
 #include <cstdlib>
+#include <cstdint>
 
 #if HAVE_SYS_MOUNT_H
 #include <sys/mount.h>
@@ -852,6 +854,7 @@ int runChildSetupEntry(void *data)
 
 int cloneChild(CloneSpawnContext & ctx)
 {
+#if CLONE_ENABLED
     char stack[32 * 1024];
     /* Ensure proper alignment on the stack.  On aarch64, it has to be 16
        bytes.  */
@@ -860,6 +863,10 @@ int cloneChild(CloneSpawnContext & ctx)
     if(ret == -1)
         throw SysError("clone");
     return ret;
+#else
+    throw Error("clone not supported on this platform");
+#endif
 }
 
+
 }
-- 
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