From 90c6facebd5666fec85f125ee2795b48b30319a4 Mon Sep 17 00:00:00 2001
From: ngie-eign <1574099+ngie-eign@users.noreply.github.com>
Date: Mon, 25 Feb 2019 21:34:24 -0800
Subject: closes bpo-13497: Fix `broken nice` configure test. (GH-12041)

Per POSIX, `nice(3)` requires `unistd.h` and `exit(3)` requires `stdlib.h`.

Fixing the test will prevent false positives with pedantic compilers like clang.
---
 configure.ac | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/configure.ac b/configure.ac
index bb7861b..c7380ca 100644
--- a/configure.ac
+++ b/configure.ac
@@ -4727,6 +4727,8 @@ LIBS=$LIBS_no_readline
 AC_MSG_CHECKING(for broken nice())
 AC_CACHE_VAL(ac_cv_broken_nice, [
 AC_RUN_IFELSE([AC_LANG_SOURCE([[
+#include <stdlib.h>
+#include <unistd.h>
 int main()
 {
 	int val1 = nice(1);
-- 
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