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always link against libgomp

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This commit is contained in:
Dennis Luxen 2015-01-29 16:23:04 +01:00
parent 4195b0d0e6
commit da469911d3
2 changed files with 16 additions and 39 deletions
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31
CMakeLists.txt
View File

@ -122,9 +122,17 @@ 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 # Check if LTO is available
set(LTO_FLAGS "") set(LTO_FLAGS "")
CHECK_CXX_COMPILER_FLAG("-flto" HAS_LTO_FLAG) check_cxx_compiler_flag("-flto" LTO_AVAILABLE)
if (HAS_LTO_FLAG) if (LTO_AVAILABLE)
set(LTO_FLAGS "${LTO_FLAGS} -flto") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -flto")
set(CHECK_LTO_SRC "int main(){return 0;}")
CHECK_CXX_SOURCE_COMPILES("${CHECK_LTO_SRC}" LTO_WORKS)
if(LTO_WORKS)
message(STATUS "LTO working")
else()
message(STATUS "LTO broken")
set(CMAKE_CXX_FLAGS "${OLD_CXX_FLAGS}")
endif()
# Since gcc 4.9 the LTO format is non-standart ('slim'), so we need to use the build-in tools # Since gcc 4.9 the LTO format is non-standart ('slim'), so we need to use the build-in tools
if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU" AND if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU" AND
@ -132,9 +140,8 @@ if(CMAKE_BUILD_TYPE MATCHES Release)
message(STATUS "Using gcc specific binutils for LTO.") message(STATUS "Using gcc specific binutils for LTO.")
set(CMAKE_AR "/usr/bin/gcc-ar") set(CMAKE_AR "/usr/bin/gcc-ar")
set(CMAKE_RANLIB "/usr/bin/gcc-ranlib") set(CMAKE_RANLIB "/usr/bin/gcc-ranlib")
# set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -g3")
endif() endif()
endif (HAS_LTO_FLAG) endif ()
endif() endif()
if (NOT WIN32) if (NOT WIN32)
@ -246,7 +253,7 @@ include_directories(${LUABIND_INCLUDE_DIR})
target_link_libraries(osrm-extract ${LUABIND_LIBRARY}) target_link_libraries(osrm-extract ${LUABIND_LIBRARY})
target_link_libraries(osrm-prepare ${LUABIND_LIBRARY}) target_link_libraries(osrm-prepare ${LUABIND_LIBRARY})
if( LUAJIT_FOUND ) if(LUAJIT_FOUND)
target_link_libraries(osrm-extract ${LUAJIT_LIBRARIES}) target_link_libraries(osrm-extract ${LUAJIT_LIBRARIES})
target_link_libraries(osrm-prepare ${LUAJIT_LIBRARIES}) target_link_libraries(osrm-prepare ${LUAJIT_LIBRARIES})
else() else()
@ -259,21 +266,15 @@ find_package(EXPAT REQUIRED)
include_directories(${EXPAT_INCLUDE_DIRS}) include_directories(${EXPAT_INCLUDE_DIRS})
target_link_libraries(osrm-extract ${EXPAT_LIBRARIES}) target_link_libraries(osrm-extract ${EXPAT_LIBRARIES})
find_package( STXXL REQUIRED ) find_package(STXXL REQUIRED)
include_directories(${STXXL_INCLUDE_DIR}) include_directories(${STXXL_INCLUDE_DIR})
target_link_libraries(OSRM ${STXXL_LIBRARY}) target_link_libraries(OSRM ${STXXL_LIBRARY})
target_link_libraries(osrm-extract ${STXXL_LIBRARY}) target_link_libraries(osrm-extract ${STXXL_LIBRARY})
target_link_libraries(osrm-prepare ${STXXL_LIBRARY}) target_link_libraries(osrm-prepare ${STXXL_LIBRARY})
# check if we need to link against libgomp target_link_libraries(osrm-extract gomp)
include(check_stxxl)
if(MINGW) find_package(OSMPBF REQUIRED)
# STXXL needs OpenMP library
target_link_libraries(osrm-extract gomp)
endif()
find_package( OSMPBF REQUIRED )
include_directories(${OSMPBF_INCLUDE_DIR}) include_directories(${OSMPBF_INCLUDE_DIR})
target_link_libraries(osrm-extract ${OSMPBF_LIBRARY}) target_link_libraries(osrm-extract ${OSMPBF_LIBRARY})
target_link_libraries(osrm-prepare ${OSMPBF_LIBRARY}) target_link_libraries(osrm-prepare ${OSMPBF_LIBRARY})

24
cmake/check_stxxl.cmake
View File

@ -1,24 +0,0 @@
INCLUDE (CheckCXXSourceCompiles)
unset(STXXL_WORKS CACHE)
set (STXXL_CHECK_SRC "#include <stxxl/vector>\n int main() { stxxl::vector<int> vec; return 0;}")
set (CMAKE_TRY_COMPILE_CONFIGURATION ${CMAKE_BUILD_TYPE})
set (CMAKE_REQUIRED_INCLUDES "${STXXL_INCLUDE_DIR}")
set (CMAKE_REQUIRED_LIBRARIES "${STXXL_LIBRARY}")
CHECK_CXX_SOURCE_COMPILES("${STXXL_CHECK_SRC}" STXXL_WORKS)
if(STXXL_WORKS)
message(STATUS "STXXL can be used without linking against libgomp")
else()
message(STATUS "Linking STXXL failed without libgomp, retrying ..")
find_package(OpenMP)
set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}${OpenMP_CXX_FLAGS}")
CHECK_CXX_SOURCE_COMPILES("${STXXL_CHECK_SRC}" STXXL_LINKS)
if (STXXL_LINKS)
message(STATUS "STXXL needs to link against OpenMP")
target_link_libraries(osrm-extract gomp)
else()
message(FATAL_ERROR "STXXL failed failed, libgomp missing?")
endif()
endif()