From 6ee11636729711bf0ebb9366a23c2bdeabb52ca1 Mon Sep 17 00:00:00 2001
From: xiehan <52160700+Barenboim@users.noreply.github.com>
Date: Fri, 13 Dec 2024 21:30:55 +0800
Subject: [PATCH] Declare 'nullptr_t' manually in WFTaskFactory. (#1669)

---
 src/factory/WFTaskFactory.h   | 5 ++++-
 src/factory/WFTaskFactory.inl | 1 -
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/factory/WFTaskFactory.h b/src/factory/WFTaskFactory.h
index 52fe930579..95fa64760d 100644
--- a/src/factory/WFTaskFactory.h
+++ b/src/factory/WFTaskFactory.h
@@ -23,7 +23,6 @@
 #include <sys/types.h>
 #include <sys/uio.h>
 #include <time.h>
-#include <stddef.h>
 #include <stdint.h>
 #include <utility>
 #include <functional>
@@ -424,6 +423,10 @@ class WFTaskFactory
 		return task;
 	}
 
+private:
+	/* Some compilers don't declare 'nullptr_t' although required by C++11. */
+	using nullptr_t = std::nullptr_t;
+
 public:
 	/* The following functions are for overload resolution only. */
 
diff --git a/src/factory/WFTaskFactory.inl b/src/factory/WFTaskFactory.inl
index ea84f4f14b..c88c356370 100644
--- a/src/factory/WFTaskFactory.inl
+++ b/src/factory/WFTaskFactory.inl
@@ -23,7 +23,6 @@
 #include <errno.h>
 #include <time.h>
 #include <netdb.h>
-#include <stddef.h>
 #include <stdio.h>
 #include <string>
 #include <functional>