From de4dc792a9e8e1740a82cb8ef6e9884d26d23f87 Mon Sep 17 00:00:00 2001
From: Michael Lutz <michi@icosahedron.de>
Date: Sun, 5 Jul 2020 17:33:51 +0200
Subject: Fix: [CMake] Re-enable multi-threaded compilation for MSVC project
 files.

---
 cmake/CompileFlags.cmake | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'cmake/CompileFlags.cmake')

diff --git a/cmake/CompileFlags.cmake b/cmake/CompileFlags.cmake
index 6fe185df8..4adc4a31a 100644
--- a/cmake/CompileFlags.cmake
+++ b/cmake/CompileFlags.cmake
@@ -23,6 +23,9 @@ macro(compile_flags)
         # C++11 standard". We need C++11 for the way we use threads.
         add_compile_options(/Zc:rvalueCast)
 
+        # Enable multi-threaded compilation.
+        add_compile_options(/MP)
+
         # Add DPI manifest to project; other WIN32 targets get this via ottdres.rc
         list(APPEND GENERATED_SOURCE_FILES "${CMAKE_SOURCE_DIR}/os/windows/openttd.manifest")
     endif (MSVC)
-- 
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