nixpkgs/pkgs/development/libraries/libutempter/exec_path.patch

diff --git a/libutempter/iface.c b/libutempter/iface.c
index 37c74a8..6f44c9a 100644
--- a/libutempter/iface.c
+++ b/libutempter/iface.c
@@ -43,7 +43,7 @@
        __result; }))
 #endif
 
-#define UTEMPTER_DEFAULT_PATHNAME	LIBEXECDIR "/utempter/utempter"
+#define UTEMPTER_DEFAULT_PATHNAME	"utempter"
 
 static const char *utempter_pathname;
 static int saved_fd = -1;
@@ -57,8 +57,8 @@ do_child(int master_fd, const char *path, char *const *argv)
 		_exit(EXIT_FAILURE);
 	}
 
-	execv(path, argv);
-	print_dbg("execv: %s", strerror(errno));
+	execvp(path, argv);
+	print_dbg("execvp: %s", strerror(errno));
 
 	while (EACCES == errno) {
 		/* try saved group ID */
@@ -73,7 +73,7 @@ do_child(int master_fd, const char *path, char *const *argv)
 		if (setgid(sgid))
 			break;
 
-		(void) execv(path, argv);
+		(void) execvp(path, argv);
 		break;
 	}