From aebbac0c37a5447e6064afea4b9c80b331dce92c Mon Sep 17 00:00:00 2001
From: levlam <levlam@telegram.org>
Date: Sun, 13 Jun 2021 05:44:31 +0300
Subject: [PATCH] Do not export symbols from executables on Linux with CMake
 3.4+.

---
 CMakeLists.txt | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index d0865906e..5734308c3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,5 +1,11 @@
 cmake_minimum_required(VERSION 3.0.2 FATAL_ERROR)
 
+if (POLICY CMP0065)
+  # do not export symbols from executables
+  # affects compiler checks in project(), so must be set before it
+  cmake_policy(SET CMP0065 NEW)
+endif()
+
 project(TDLib VERSION 1.7.4 LANGUAGES CXX C)
 
 if (NOT DEFINED CMAKE_MODULE_PATH)