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CMakeLists.txt
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cmake_minimum_required (VERSION 2.8)
project (dlep)
SET(DLEP_VERSION 2.1) # Release version of the software
SET(SOVERSION 2.1) # The library version (e.g. libdlep.so.1.0 would be SOVERSION 1.0)
SET(DLEPLIB_SRCS DestAdvert.cpp DlepInit.cpp DlepLogger.cpp Dlep.cpp Peer.cpp InfoBaseMgr.cpp PeerDiscovery.cpp DlepServiceImpl.cpp DlepMac.cpp PeriodicMcastSendRcv.cpp NetUtils.cpp ProtocolMessage.cpp DataItem.cpp ProtocolConfigImpl.cpp)
SET(DLEP_PUBLIC_HDRS DlepInit.h DlepClient.h DlepService.h DlepCommon.h DataItem.h ProtocolConfig.h IdTypes.h DlepMac.h Serialize.h LatencyRange.h MultiHop.h)
# Enable "all" c++ warnings
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall")
# By default, treat all warnings as errors
# Can be disalbed with -DWARNINGS_AS_ERRORS:OFF
set(WARNINGS_AS_ERRORS ON CACHE BOOL "Treat all warnings as errors")
if(WARNINGS_AS_ERRORS)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Werror")
endif()
include(CheckCXXCompilerFlag)
CHECK_CXX_COMPILER_FLAG("-std=c++11" COMPILER_SUPPORTS_CXX11)
if(COMPILER_SUPPORTS_CXX11)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
else()
message(FATAL_ERROR "The compiler ${CMAKE_CXX_COMPILER} has no C++11 support. Please use a different C++ compiler.")
endif()
SET(BUILD_SHARED_LIBS ON)
SET(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/lib")
if(APPLE)
if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
SET(CMAKE_INSTALL_PREFIX "/opt/local" CACHE PATH "Dlep Install Prefix" FORCE)
endif()
EXEC_PROGRAM(sw_vers ARGS -productVersion OUTPUT_VARIABLE OSX_VERSION)
message(STATUS "Detected version of OS X is ${OSX_VERSION}")
if(OSX_VERSION VERSION_GREATER 10.12)
SET(PROTOBUF_MINVERSION 3.2)
endif()
endif()
find_package (LibXml2 REQUIRED)
include_directories(${LIBXML2_INCLUDE_DIR})
INCLUDE(FindProtobuf)
find_package(Protobuf ${PROTOBUF_MINVERSION} REQUIRED)
include_directories(${PROTOBUF_INCLUDE_DIRS})
include_directories(${CMAKE_CURRENT_BINARY_DIR})
PROTOBUF_GENERATE_CPP(PROTO_SRCS PROTO_HDRS destadvert.proto)
find_package(Boost 1.48 REQUIRED COMPONENTS system thread)
include_directories(${Boost_INCLUDE_DIRS})
SET(BOOST_INCREASE_VARIANT_TYPES -DBOOST_MPL_CFG_NO_PREPROCESSED_HEADERS -DBOOST_MPL_LIMIT_LIST_SIZE=30 -DBOOST_MPL_LIMIT_VECTOR_SIZE=30)
add_definitions(${BOOST_INCREASE_VARIANT_TYPES})
# This approach to only build the sources once for the shared/statis objects from:
# https://stackoverflow.com/a/29824424
add_library(dlepObj OBJECT ${DLEPLIB_SRCS} ${PROTO_SRCS} ${PROTO_HDRS})
# shared libraries need PIC
set_target_properties(dlepObj PROPERTIES POSITION_INDEPENDENT_CODE 1)
add_library(dlepShared SHARED $<TARGET_OBJECTS:dlepObj>)
target_link_libraries(dlepShared ${LIBXML2_LIBRARIES} ${PROTOBUF_LIBRARIES} ${Boost_LIBRARIES})
set_target_properties(dlepShared PROPERTIES VERSION ${DLEP_VERSION} SOVERSION ${SOVERSION} OUTPUT_NAME dlep MACOSX_RPATH ON)
add_library(dlepStatic STATIC $<TARGET_OBJECTS:dlepObj>)
set_target_properties(dlepStatic PROPERTIES OUTPUT_NAME dlep)
SET(ETCDIR "${CMAKE_INSTALL_PREFIX}/etc")
# Default docs location
SET(DOCDIR "share/dlep")
### CMake configuration that needs to be different when building for packages
### Hide them behind one variable for convenience
### Generate a package with: cmake .. -DPACKAGE=ON && make package
if(PACKAGE)
# Install to /usr
SET(CMAKE_INSTALL_PREFIX "/usr")
# Take install prefix out of /etc
SET(ETCDIR "/etc")
# Clear RPATH for installed objects
SET(CMAKE_INSTALL_RPATH "")
# Strip libraries and binaries
SET(CMAKE_CXX_FLAGS "-s ${CMAKE_CXX_FLAGS}")
# Perform checks for the 'dpkg' and 'rpm' commands
find_file(DPKG dpkg)
find_file(RPM rpm)
# Set docdir to appropriate /usr/share/doc location
if(DPKG)
SET(DOCDIR "share/doc/${PROJECT_NAME}")
endif()
if(RPM)
SET(DOCDIR "share/doc/${PROJECT_NAME}-${DLEP_VERSION}")
endif()
endif()
# Generate pkg-config file for programs that want to consume the shared lib
file(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/pkgconfig)
configure_file(libdlep.pc.in ${CMAKE_CURRENT_BINARY_DIR}/pkgconfig/libdlep.pc @ONLY)
configure_file(build-defs.h.in build-defs.h @ONLY)
add_executable(Dlep ExampleMain.cpp ExampleDlepClientImpl.cpp Table.cpp)
target_link_libraries(Dlep dlepShared readline ${LIBXML2_LIBRARIES})
install(TARGETS dlepShared DESTINATION lib)
install(TARGETS dlepStatic DESTINATION lib)
install(TARGETS Dlep DESTINATION bin)
install(FILES ${DLEP_PUBLIC_HDRS} DESTINATION include)
install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/pkgconfig DESTINATION share
DIRECTORY_PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE)
install(FILES ${CMAKE_CURRENT_SOURCE_DIR}/package/copyright DESTINATION ${DOCDIR})
ENABLE_TESTING()
add_subdirectory(config)
add_subdirectory(doc)
add_subdirectory(tests)
# Linux Packaging
SET(CPACK_PACKAGE_CONTACT "David P. Wiggins <David.Wiggins@ll.mit.edu>")
SET(CPACK_PACKAGE_VERSION ${DLEP_VERSION})
SET(CPACK_PACKAGE_VENDOR "MIT Lincoln Laboratory")
SET(PACKAGE_HOMEPAGE "https://github.com/mit-ll/LL-DLEP")
SET(CPACK_PACKAGE_DESCRIPTION_SUMMARY "MIT Lincoln Laboratory Dynamic Link Exchange Protocol")
FILE(READ "${CMAKE_CURRENT_SOURCE_DIR}/package/packagedesc.txt" PACKAGEDESC)
if(DPKG)
SET(CPACK_GENERATOR "DEB")
SET(CPACK_DEBIAN_PACKAGE_DESCRIPTION "${CPACK_PACKAGE_DESCRIPTION_SUMMARY}\n${PACKAGEDESC}")
SET(CPACK_DEBIAN_PACKAGE_HOMEPAGE "${PACKAGE_HOMEPAGE}")
if(${CMAKE_SYSTEM_PROCESSOR} STREQUAL "x86_64")
SET(DEB_ARCH "amd64")
else()
SET(DEB_ARCH ${CMAKE_SYSTEM_PROCESSOR})
endif()
SET(CPACK_PACKAGE_FILE_NAME "${PROJECT_NAME}-${CPACK_PACKAGE_VERSION}.${DEB_ARCH}")
SET(CPACK_DEBIAN_PACKAGE_CONTROL_EXTRA "${CMAKE_CURRENT_SOURCE_DIR}/package/postinst;${CMAKE_CURRENT_SOURCE_DIR}/package/postrm")
endif()
if(RPM)
SET(CPACK_GENERATOR "RPM")
SET(CPACK_RPM_PACKAGE_RELEASE 1)
SET(CPACK_RPM_PACKAGE_DESCRIPTION "${PACKAGEDESC}")
SET(CPACK_RPM_PACKAGE_URL "${PACKAGE_HOMEPAGE}")
SET(CPACK_RPM_PACKAGE_LICENSE "MIT")
SET(CPACK_PACKAGE_FILE_NAME "${PROJECT_NAME}-${CPACK_PACKAGE_VERSION}-${CPACK_RPM_PACKAGE_RELEASE}.${CMAKE_SYSTEM_PROCESSOR}")
SET(CPACK_RPM_POST_INSTALL_SCRIPT_FILE "${CMAKE_CURRENT_SOURCE_DIR}/package/postinst")
SET(CPACK_RPM_POST_UNINSTALL_SCRIPT_FILE "${CMAKE_CURRENT_SOURCE_DIR}/package/postinst") # Currently we do the same action for post/postun (run ldconfig)
endif()
include(CPack)