From b6cfa5c9b9f920144287b2beb0ca0beff3aceb65 Mon Sep 17 00:00:00 2001
From: arabek <arabek@users.noreply.github.com>
Date: Sun, 7 Jul 2019 15:15:06 +0200
Subject: [PATCH] Fix build with cotire and clang-8.0 branch

Without this patch, build fails when using
cotire, because pch headers are missing
the pthread flag when using Clang
---
 CMakeLists.txt | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 861d443576..d5248238fa 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -77,6 +77,10 @@ add_subdirectory(3rdparty)
 unset(CMAKE_CXX_FLAGS)
 unset(CMAKE_C_FLAGS)
 
+if (NOT WIN32)
+	add_compile_options(-pthread)
+endif()
+
 # TODO: do real installation, including copying directory structure
 set(CMAKE_RUNTIME_OUTPUT_DIRECTORY_RELEASE "${PROJECT_BINARY_DIR}/bin")
 set(CMAKE_RUNTIME_OUTPUT_DIRECTORY_DEBUG "${PROJECT_BINARY_DIR}/bin")