cmake_minimum_required(VERSION 3.7) project(liblokimq CXX) include(GNUInstallDirs) set(LOKIMQ_VERSION_MAJOR 1) set(LOKIMQ_VERSION_MINOR 2) set(LOKIMQ_VERSION_PATCH 0) set(LOKIMQ_VERSION "${LOKIMQ_VERSION_MAJOR}.${LOKIMQ_VERSION_MINOR}.${LOKIMQ_VERSION_PATCH}") message(STATUS "lokimq v${LOKIMQ_VERSION}") set(LOKIMQ_LIBVERSION 0) option(BUILD_SHARED_LIBS "Build shared libraries instead of static ones" ON) list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake") configure_file(lokimq/version.h.in lokimq/version.h @ONLY) configure_file(liblokimq.pc.in liblokimq.pc @ONLY) add_library(lokimq lokimq/address.cpp lokimq/auth.cpp lokimq/bt_serialize.cpp lokimq/connections.cpp lokimq/jobs.cpp lokimq/lokimq.cpp lokimq/proxy.cpp lokimq/worker.cpp ) set_target_properties(lokimq PROPERTIES SOVERSION ${LOKIMQ_LIBVERSION}) set(THREADS_PREFER_PTHREAD_FLAG ON) find_package(Threads REQUIRED) target_link_libraries(lokimq PRIVATE Threads::Threads) # libzmq is nearly impossible to link statically from a system-installed static library: it depends # on a ton of other libraries, some of which are not all statically available. If the caller wants # to mess with this, so be it: they can set up a libzmq target and we'll use it. Otherwise if they # asked us to do things statically, don't even try to find a system lib and just build it. set(lokimq_build_static_libzmq OFF) if(TARGET libzmq) target_link_libraries(lokimq PUBLIC libzmq) elseif(BUILD_SHARED_LIBS) include(FindPkgConfig) pkg_check_modules(libzmq libzmq>=4.3 IMPORTED_TARGET) # Debian sid includes a -isystem in the mit-krb package that, starting with pkg-config 0.29.2, # breaks cmake's pkgconfig module because it stupidly thinks "-isystem" is a path, so if we find # -isystem in the include dirs then hack it out. get_property(zmq_inc TARGET PkgConfig::libzmq PROPERTY INTERFACE_INCLUDE_DIRECTORIES) list(FIND zmq_inc "-isystem" broken_isystem) if(NOT broken_isystem EQUAL -1) list(REMOVE_AT zmq_inc ${broken_isystem}) set_property(TARGET PkgConfig::libzmq PROPERTY INTERFACE_INCLUDE_DIRECTORIES ${zmq_inc}) endif() if(libzmq_FOUND) target_link_libraries(lokimq PUBLIC PkgConfig::libzmq) else() set(lokimq_build_static_libzmq ON) endif() else() set(lokimq_build_static_libzmq ON) endif() if(lokimq_build_static_libzmq) message(STATUS "libzmq >= 4.3 not found or static build requested, building bundled 4.3.2") list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/local-libzmq") include(LocalLibzmq) target_link_libraries(lokimq PUBLIC libzmq_vendor) endif() target_include_directories(lokimq PUBLIC $ $ $ ) target_compile_options(lokimq PRIVATE -Wall -Wextra -Werror) set_target_properties(lokimq PROPERTIES CXX_STANDARD 17 CXX_STANDARD_REQUIRED ON CXX_EXTENSIONS OFF POSITION_INDEPENDENT_CODE ON ) function(link_dep_libs target linktype libdirs) foreach(lib ${ARGN}) find_library(link_lib-${lib} NAMES ${lib} PATHS ${libdirs}) message(STATUS "FIND ${lib} FOUND ${link_lib-${lib}}") if(link_lib-${lib}) target_link_libraries(${target} ${linktype} ${link_lib-${lib}}) endif() endforeach() endfunction() # If the caller has already set up a sodium target then we will just link to it, otherwise we go # looking for it. if(TARGET sodium) target_link_libraries(lokimq PRIVATE sodium) if(lokimq_build_static_libzmq) target_link_libraries(libzmq_vendor INTERFACE sodium) endif() else() pkg_check_modules(sodium REQUIRED libsodium IMPORTED_TARGET) if(BUILD_SHARED_LIBS) target_link_libraries(lokimq PRIVATE PkgConfig::sodium) if(lokimq_build_static_libzmq) target_link_libraries(libzmq_vendor INTERFACE PkgConfig::sodium) endif() else() link_dep_libs(lokimq PRIVATE "${sodium_STATIC_LIBRARY_DIRS}" ${sodium_STATIC_LIBRARIES}) target_include_directories(lokimq PRIVATE ${sodium_STATIC_INCLUDE_DIRS}) if(lokimq_build_static_libzmq) link_dep_libs(libzmq_vendor INTERFACE "${sodium_STATIC_LIBRARY_DIRS}" ${sodium_STATIC_LIBRARIES}) target_link_libraries(libzmq_vendor INTERFACE ${sodium_STATIC_INCLUDE_DIRS}) endif() endif() endif() add_library(lokimq::lokimq ALIAS lokimq) export( TARGETS lokimq NAMESPACE lokimq:: FILE lokimqTargets.cmake ) install( TARGETS lokimq EXPORT lokimqConfig DESTINATION ${CMAKE_INSTALL_LIBDIR} ) install( FILES lokimq/auth.h lokimq/batch.h lokimq/bt_serialize.h lokimq/connections.h lokimq/hex.h lokimq/lokimq.h lokimq/message.h lokimq/string_view.h ${CMAKE_CURRENT_BINARY_DIR}/lokimq/version.h DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/lokimq ) option(LOKIMQ_INSTALL_CPPZMQ "Install cppzmq header with lokimq/ headers" ON) if(LOKIMQ_INSTALL_CPPZMQ) install( FILES cppzmq/zmq.hpp DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/lokimq ) endif() install( FILES ${CMAKE_CURRENT_BINARY_DIR}/liblokimq.pc DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig ) if(CMAKE_PROJECT_NAME STREQUAL PROJECT_NAME) set(lokimq_IS_TOPLEVEL_PROJECT TRUE) else() set(lokimq_IS_TOPLEVEL_PROJECT FALSE) endif() option(LOKIMQ_BUILD_TESTS "Building and perform lokimq tests" ${lokimq_IS_TOPLEVEL_PROJECT}) if(LOKIMQ_BUILD_TESTS) add_subdirectory(tests) endif()