The linux header doesn't prototype unshare, and the glibc header introduced a regression in recent versions inexplicably crediting a linux feature to the FSF, so add the prototype ourselves.

1 files changed, 1 insertions, 0 deletions

diff --git a/toys/unshare.c b/toys/unshare.c
index fceee522..1df9b758 100644
--- a/toys/unshare.c
+++ b/toys/unshare.c
@@ -27,6 +27,7 @@ config UNSHARE
 
 #include "toys.h"
 #include <linux/sched.h>
+extern int unshare (int __flags);
 
 void unshare_main(void)
 {