diff options
| author | Michael Jones <jonesmz@users.noreply.github.com> | 2019-12-03 15:46:56 -0600 |
|---|---|---|
| committer | Jan Niklas Hasse <jhasse@bixense.com> | 2019-12-03 22:46:56 +0100 |
| commit | 0c84b0ebd757e85548cb49a40694b4528c465830 (patch) | |
| tree | fd83f6637886fef55ccf0051b03ff85be3ce65bc | |
| parent | c90a078edb8a23a3cf36b3f061990ed425481855 (diff) | |
| download | ninja-0c84b0ebd757e85548cb49a40694b4528c465830.tar.gz | |
Enable Link Time Optimization for Release builds (#1701)
| -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() |