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| -rw-r--r-- | CMakeLists.txt | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 582e0ef..de0fe1a 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -1,6 +1,19 @@ cmake_minimum_required(VERSION 3.12) project(ninja) +if(CMAKE_BUILD_TYPE MATCHES "Release") + cmake_policy(SET CMP0069 NEW) + include(CheckIPOSupported) + check_ipo_supported(RESULT lto_supported OUTPUT error) + + if(lto_supported) + message(STATUS "IPO / LTO enabled") + set(CMAKE_INTERPROCEDURAL_OPTIMIZATION TRUE) + else() + message(STATUS "IPO / LTO not supported: <${error}>") + endif() +endif() + if(MSVC) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /W4 /GR- /Zc:__cplusplus") else() |