File 0001-Fix-TCP-module-build-for-old-gcc-versions.patch of Package libamqpcpp

From b4dc70403e764133dcaa382d3064f8d80beab751 Mon Sep 17 00:00:00 2001
From: "Matwey V. Kornilov" <matwey.kornilov@gmail.com>
Date: Fri, 24 Sep 2021 15:57:14 +0300
Subject: [PATCH] Fix TCP module build for old gcc versions

TCP module uses std::thread internally, so it is required to link pthreads
explicitly when building with old gcc versions.
---
 CMakeLists.txt | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index a0200eb..f2074bf 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -128,7 +128,9 @@ target_include_directories(${PROJECT_NAME} SYSTEM PUBLIC
 )
 
 if(AMQP-CPP_LINUX_TCP)
-    target_link_libraries(${PROJECT_NAME} ${CMAKE_DL_LIBS})
+    find_package(Threads REQUIRED)
+
+    target_link_libraries(${PROJECT_NAME} ${CMAKE_DL_LIBS} Threads::Threads)
     # Find OpenSSL and provide include dirs
     find_package(OpenSSL REQUIRED)
     target_include_directories(${PROJECT_NAME} PRIVATE ${OPENSSL_INCLUDE_DIR})
-- 
2.26.2