diff --git a/CMakeLists.txt b/CMakeLists.txt index c0d0d295..44c08356 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -1,7 +1,16 @@ -cmake_minimum_required(VERSION 2.8.12) +cmake_minimum_required(VERSION 3.0.0) project(cppzmq) -find_package(ZeroMQ REQUIRED) +find_package(ZeroMQ) + +# libzmq autotools install: fallback to pkg-config +if(NOT ZeroMQ_FOUND) + include(${CMAKE_CURRENT_LIST_DIR}/libzmqPkgConfigFallback.cmake) +endif() + +if(NOT ZeroMQ_FOUND) + message(FATAL_ERROR "ZeroMQ was NOT found!") +endif() if (ZeroMQ_FOUND AND (NOT TARGET libzmq OR NOT TARGET libzmq-static)) message(FATAL_ERROR "ZeroMQ version not supported!") @@ -51,4 +60,5 @@ install(EXPORT ${PROJECT_NAME}-targets DESTINATION ${CPPZMQ_CMAKECONFIG_INSTALL_DIR}) install(FILES ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake + ${CMAKE_SOURCE_DIR}/libzmqPkgConfigFallback.cmake DESTINATION ${CPPZMQ_CMAKECONFIG_INSTALL_DIR}) diff --git a/cppzmqConfig.cmake.in b/cppzmqConfig.cmake.in index 24b217c0..6fe6f5f6 100644 --- a/cppzmqConfig.cmake.in +++ b/cppzmqConfig.cmake.in @@ -17,7 +17,16 @@ @PACKAGE_INIT@ include(CMakeFindDependencyMacro) -find_dependency(ZeroMQ) +find_package(ZeroMQ) + +# libzmq autotools install: fallback to pkg-config +if(NOT ZeroMQ_FOUND) + include(${CMAKE_CURRENT_LIST_DIR}/libzmqPkgConfigFallback.cmake) +endif() + +if(NOT ZeroMQ_FOUND) + message(FATAL_ERROR "ZeroMQ was NOT found!") +endif() if(NOT TARGET @PROJECT_NAME@) include("${CMAKE_CURRENT_LIST_DIR}/@PROJECT_NAME@Targets.cmake") diff --git a/libzmqPkgConfigFallback.cmake b/libzmqPkgConfigFallback.cmake new file mode 100644 index 00000000..bb57aaf9 --- /dev/null +++ b/libzmqPkgConfigFallback.cmake @@ -0,0 +1,20 @@ +find_package(PkgConfig) +pkg_check_modules(PC_LIBZMQ QUIET libzmq) + +set(ZeroMQ_VERSION ${PC_LIBZMQ_VERSION}) +find_library(ZeroMQ_LIBRARY NAMES libzmq.so + PATHS ${PC_LIBZMQ_LIBDIR} ${PC_LIBZMQ_LIBRARY_DIRS}) +find_library(ZeroMQ_STATIC_LIBRARY NAMES libzmq.a + PATHS ${PC_LIBZMQ_LIBDIR} ${PC_LIBZMQ_LIBRARY_DIRS}) + +add_library(libzmq SHARED IMPORTED) +set_property(TARGET libzmq PROPERTY INTERFACE_INCLUDE_DIRECTORIES ${PC_LIBZMQ_INCLUDE_DIRS}) +set_property(TARGET libzmq PROPERTY IMPORTED_LOCATION ${ZeroMQ_LIBRARY}) + +add_library(libzmq-static STATIC IMPORTED ${PC_LIBZMQ_INCLUDE_DIRS}) +set_property(TARGET libzmq-static PROPERTY INTERFACE_INCLUDE_DIRECTORIES ${PC_LIBZMQ_INCLUDE_DIRS}) +set_property(TARGET libzmq-static PROPERTY IMPORTED_LOCATION ${ZeroMQ_STATIC_LIBRARY}) + +if(ZeroMQ_LIBRARY AND ZeroMQ_STATIC_LIBRARY) + set(ZeroMQ_FOUND ON) +endif()