diff --git a/CMakeLists.txt b/CMakeLists.txt index 452e90ea4..2722a71d5 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -53,6 +53,7 @@ option(BUILD_COMPONENTS "Build osrm-components" OFF) option(ENABLE_ASSERTIONS OFF) option(COVERAGE OFF) option(SANITIZER OFF) +option(ENABLE_LTO "Use LTO if available" ON) include_directories(BEFORE ${CMAKE_CURRENT_BINARY_DIR}/include/) include_directories(BEFORE ${CMAKE_CURRENT_SOURCE_DIR}/include/) @@ -118,7 +119,7 @@ if(CMAKE_BUILD_TYPE MATCHES Release) message(STATUS "Configuring OSRM in release mode") # Check if LTO is available check_cxx_compiler_flag("-flto" LTO_AVAILABLE) - if(LTO_AVAILABLE) + if(ENABLE_LTO AND LTO_AVAILABLE) set(OLD_CXX_FLAGS ${CMAKE_CXX_FLAGS}) # GCC in addition allows parallelizing LTO if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")