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deactivate LTO on debug build

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This commit is contained in:
Dennis Luxen 2014-05-16 15:00:31 +02:00
parent 3ae17761b3
commit 3968349480
1 changed files with 15 additions and 16 deletions
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31
CMakeLists.txt
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@ -86,7 +86,21 @@ if(CMAKE_BUILD_TYPE MATCHES Debug)
endif()
endif()
if(CMAKE_BUILD_TYPE MATCHES Release)
message(STATUS "Configuring OSRM in release mode")
message(STATUS "Configuring OSRM in release mode")
# Check if LTO is available
set(LTO_FLAGS "")
CHECK_CXX_COMPILER_FLAG("-flto" HAS_LTO_FLAG)
if (HAS_LTO_FLAG)
set(LTO_FLAGS "${LTO_FLAGS} -flto")
# Since gcc 4.9 the LTO format is non-standart ('slim'), so we need to use the build-in tools
if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU" AND
NOT "${CMAKE_CXX_COMPILER_VERSION}" VERSION_LESS "4.9.0")
message(STATUS "Using gcc specific binutils for LTO.")
set(CMAKE_AR "/usr/bin/gcc-ar")
set(CMAKE_RANLIB "/usr/bin/gcc-ranlib")
endif()
endif (HAS_LTO_FLAG)
endif()
# Configuring compilers
@ -104,21 +118,6 @@ elseif("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
# using Visual Studio C++
endif()
# Check if LTO is available
set(LTO_FLAGS "")
CHECK_CXX_COMPILER_FLAG("-flto" HAS_LTO_FLAG)
if (HAS_LTO_FLAG)
set(LTO_FLAGS "${LTO_FLAGS} -flto")
# Since gcc 4.9 the LTO format is non-standart ('slim'), so we need to use the build-in tools
if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU" AND
NOT "${CMAKE_CXX_COMPILER_VERSION}" VERSION_LESS "4.9.0")
message(STATUS "Using gcc specific binutils for LTO.")
set(CMAKE_AR "/usr/bin/gcc-ar")
set(CMAKE_RANLIB "/usr/bin/gcc-ranlib")
endif()
endif (HAS_LTO_FLAG)
# disable partitioning of LTO process when possible (fixes Debian issues)
set(LTO_PARTITION_FLAGS "")
CHECK_CXX_COMPILER_FLAG("-flto-partition=none" HAS_LTO_PARTITION_FLAG)