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-rw-r--r--libguile/threads.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/libguile/threads.c b/libguile/threads.c
index 3f40f5d69..80f01402d 100644
--- a/libguile/threads.c
+++ b/libguile/threads.c
@@ -1,4 +1,4 @@
-/* Copyright 1995-1998,2000-2014,2018-2019
+/* Copyright 1995-1998,2000-2014,2018-2019,2023
Free Software Foundation, Inc.
This file is part of Guile.
@@ -32,6 +32,7 @@
#include <stdlib.h>
#include <string.h> /* for memset used by FD_ZERO on Solaris 10 */
#include <sys/time.h>
+#include <sys/select.h> /* from Gnulib */
#include <unistd.h>
#if HAVE_PTHREAD_NP_H