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-rw-r--r--m4/wait-process.m412
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diff --git a/m4/wait-process.m4 b/m4/wait-process.m4
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+# wait-process.m4 serial 6
+dnl Copyright (C) 2003, 2008-2022 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+AC_DEFUN([gl_WAIT_PROCESS],
+[
+ dnl Prerequisites of lib/wait-process.c.
+ AC_REQUIRE([gt_TYPE_SIG_ATOMIC_T])
+ AC_CHECK_FUNCS([waitid])
+])