From d78657b706f7ad01a17398b91277d99f2f9f29cc Mon Sep 17 00:00:00 2001
From: zhaoyi233 <11971297+zhao85@users.noreply.github.com>
Date: Sat, 21 May 2022 15:18:51 +0800
Subject: [PATCH] =?UTF-8?q?=E6=A3=80=E6=9F=A5sendmmsg=E7=9B=B8=E5=85=B3?=
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---
 CMakeLists.txt | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8ed4356d..eb1e06f9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,5 +1,23 @@
 project(ZLMediaKit)
 cmake_minimum_required(VERSION 3.1.3)
+include(CheckStructHasMember)
+include(CheckSymbolExists)
+
+# 检查sendmmsg相关依赖并设置对应的宏
+list(APPEND CMAKE_REQUIRED_DEFINITIONS -D_GNU_SOURCE)
+check_struct_has_member("struct mmsghdr" msg_hdr sys/socket.h HAVE_MMSG_HDR)
+check_symbol_exists(sendmmsg sys/socket.h HAVE_SENDMMSG_API)
+check_symbol_exists(recvmmsg sys/socket.h HAVE_RECVMMSG_API)
+
+if(HAVE_MMSG_HDR)
+    add_definitions(-DHAVE_MMSG_HDR)
+endif()
+if(HAVE_SENDMMSG_API)
+    add_definitions(-DHAVE_SENDMMSG_API)
+endif()
+if(HAVE_RECVMMSG_API)
+    add_definitions(-DHAVE_RECVMMSG_API)
+endif()
 #使能c++11
 set(CMAKE_CXX_STANDARD 11)
 #加载自定义模块