diff options
Diffstat (limited to 'CMakeLists.txt')
| -rw-r--r-- | CMakeLists.txt | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 1c51d7d4..c711fa4d 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -1,4 +1,4 @@ -cmake_minimum_required(VERSION 3.1) +cmake_minimum_required(VERSION 3.9.4) if(WIN32) # In Qt 5.1+ we have our own main() function, don't autolink to qtmain on Windows @@ -43,6 +43,22 @@ set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -Werror=return-type") # Fix build with Qt 5.13 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DQT_NO_DEPRECATED_WARNINGS=Y") +option(ENABLE_LTO "Enable Link Time Optimization" off) + +if(ENABLE_LTO) + include(CheckIPOSupported) + check_ipo_supported(RESULT ipo_supported OUTPUT ipo_error) + + if(ipo_supported AND (CMAKE_BUILD_TYPE STREQUAL "Release" OR CMAKE_BUILD_TYPE STREQUAL "MinSizeRel")) + message(STATUS "IPO / LTO enabled") + set(CMAKE_INTERPROCEDURAL_OPTIMIZATION TRUE) + elseif(ipo_supported) + message(STATUS "Not enabling IPO / LTO on debug builds") + else() + message(STATUS "IPO / LTO not supported: <${ipo_error}>") + endif() +endif() + ##################################### Set Application options ##################################### ######## Set URLs ######## |