From 2546c543fd7955276388aae6f0869d2c9285ba59 Mon Sep 17 00:00:00 2001
From: Warner Losh <imp@FreeBSD.org>
Date: Sat, 17 Feb 2024 21:30:48 -0700
Subject: [PATCH] reboot: Move extern for environ

envorin isn't defined in any header, and gcc is cranky with this inside
a function, so move it to global scope. Both clang and gcc are now happy
with this.

Sponsored by:		Netflix
---
 sbin/reboot/reboot.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sbin/reboot/reboot.c b/sbin/reboot/reboot.c
index 550530ad079e..d215255487a7 100644
--- a/sbin/reboot/reboot.c
+++ b/sbin/reboot/reboot.c
@@ -51,6 +51,8 @@
 #include <unistd.h>
 #include <utmpx.h>
 
+extern char **environ;
+
 #define PATH_NEXTBOOT "/boot/nextboot.conf"
 
 static void usage(void) __dead2;
@@ -84,7 +86,6 @@ zfsbootcfg(const char *pool, bool force)
 	};
 	int rv, status;
 	pid_t p;
-	extern char **environ;
 
 	rv = posix_spawnp(&p, av[0], NULL, NULL, __DECONST(char **, av),
 	    environ);