commit - 309dab3a9093744f611bd048b3549820eaa4a6e5
commit + c144b1b6f831446f82e201db1ab7fadab4cf11f0
blob - adb662d2f5973dad8f0ffa386e79ff0d28bd5998
blob + f7f42681387298d67e718e9cb7eef0a9cbb7ed4d
--- configure
+++ configure
@@ -242,6 +242,10 @@ fi
 
 if runtest noop MMD -MMD; then
 	CFLAGS="${CFLAGS} -MMD"
+fi
+
+if ! runtest wait_any WAIT_ANY; then
+	CFLAGS="${CFLAGS} -DWAIT_ANY=-1"
 fi
 
 runtest err		ERR		|| true
blob - /dev/null
blob + 9c30fe847e1cf0d87f85359c1d4d4abd046e297d (mode 644)
--- /dev/null
+++ have/wait_any.c
@@ -0,0 +1,23 @@
+/*
+ * Copyright (c) 2023 Omar Polo <op@omarpolo.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <sys/wait.h>
+
+int
+main(void)
+{
+	return WAIT_ANY;
+}