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-rw-r--r--cmake/CompileFlags.cmake3
1 files changed, 3 insertions, 0 deletions
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)