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| author | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2016-05-22 22:22:37 +0300 |
|---|---|---|
| committer | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2016-05-23 09:43:27 +0300 |
| commit | beae6161609c9d418b9e9f03c89f934d99964bdc (patch) | |
| tree | d95d04d7da1a3dcfdd9bbe6a950f395bfbc87628 | |
| parent | 17b890d342473d4ff0559dc35eea56f5c9ae1ae0 (diff) | |
Automatically use -flto
| -rw-r--r-- | CMakeLists.txt | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 1308650..b968102 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -1,15 +1,18 @@ cmake_minimum_required(VERSION 2.8) project(kms++) +include(CheckCXXCompilerFlag) + IF(NOT CMAKE_BUILD_TYPE) message(STATUS "Setting build type to 'Release' as none was specified.") SET(CMAKE_BUILD_TYPE Release CACHE STRING "Choose the type of build." FORCE) set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "Debug" "Release" "MinSizeRel" "RelWithDebInfo") ENDIF() +string(TOUPPER "${CMAKE_BUILD_TYPE}" U_CMAKE_BUILD_TYPE) + set(LIBKMS_ENABLE_PYTHON ON CACHE BOOL "Enable Python wrappers") set(LIBKMS_ENABLE_KMSCUBE OFF CACHE BOOL "Enable kmscube") -set(LIBKMS_ENABLE_LTO OFF CACHE BOOL "Enable LTO") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -Wall") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wextra -Wno-unused-parameter") @@ -19,10 +22,14 @@ set(CMAKE_POSITION_INDEPENDENT_CODE TRUE) # static link libc # set(CMAKE_EXE_LINKER_FLAGS "-static-libgcc -static-libstdc++") -if(LIBKMS_ENABLE_LTO) - set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -flto -fwhole-program") - set(CMAKE_AR gcc-ar) - set(CMAKE_RANLIB gcc-ranlib) +if (NOT ${U_CMAKE_BUILD_TYPE} MATCHES DEBUG) + CHECK_CXX_COMPILER_FLAG("-flto" HAS_LTO_FLAG) + + if (HAS_LTO_FLAG) + set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -flto") + set(CMAKE_AR gcc-ar) + set(CMAKE_RANLIB gcc-ranlib) + endif() endif() find_package(PkgConfig REQUIRED) |