cmake_minimum_required(VERSION 3.15) # set the project name and version project(Tutorial VERSION 1.0) add_library(tutorial_compiler_flags INTERFACE) target_compile_features(tutorial_compiler_flags INTERFACE cxx_std_11) # add compiler warning flags just when building this project via # the BUILD_INTERFACE genex set(gcc_like_cxx "$") set(msvc_cxx "$") target_compile_options(tutorial_compiler_flags INTERFACE "$<${gcc_like_cxx}:$>" "$<${msvc_cxx}:$>" ) # control where the static and shared libraries are built so that on windows # we don't need to tinker with the path to run the executable set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}") set(CMAKE_LIBRARY_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}") set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}") option(BUILD_SHARED_LIBS "Build using shared libraries" ON) if(APPLE) set(CMAKE_INSTALL_RPATH "@executable_path/../lib") elseif(UNIX) set(CMAKE_INSTALL_RPATH "$ORIGIN/../lib") endif() # configure a header file to pass the version number only configure_file(TutorialConfig.h.in TutorialConfig.h) # add the MathFunctions library add_subdirectory(MathFunctions) # add the executable add_executable(Tutorial tutorial.cxx) target_link_libraries(Tutorial PUBLIC MathFunctions tutorial_compiler_flags) # add the binary tree to the search path for include files # so that we will find TutorialConfig.h target_include_directories(Tutorial PUBLIC "${PROJECT_BINARY_DIR}" ) # add the install targets install(TARGETS Tutorial DESTINATION bin) install(FILES "${PROJECT_BINARY_DIR}/TutorialConfig.h" DESTINATION include ) # enable testing enable_testing() # does the application run add_test(NAME Runs COMMAND Tutorial 25) # does the usage message work? add_test(NAME Usage COMMAND Tutorial) set_tests_properties(Usage PROPERTIES PASS_REGULAR_EXPRESSION "Usage:.*number" ) # define a function to simplify adding tests function(do_test target arg result) add_test(NAME Comp${arg} COMMAND ${target} ${arg}) set_tests_properties(Comp${arg} PROPERTIES PASS_REGULAR_EXPRESSION ${result} ) endfunction() # do a bunch of result based tests do_test(Tutorial 4 "4 is 2") do_test(Tutorial 9 "9 is 3") do_test(Tutorial 5 "5 is 2.236") do_test(Tutorial 7 "7 is 2.645") do_test(Tutorial 25 "25 is 5") do_test(Tutorial -25 "-25 is (-nan|nan|0)") do_test(Tutorial 0.0001 "0.0001 is 0.01") # setup installer include(InstallRequiredSystemLibraries) set(CPACK_RESOURCE_FILE_LICENSE "${CMAKE_CURRENT_SOURCE_DIR}/License.txt") set(CPACK_PACKAGE_VERSION_MAJOR "${Tutorial_VERSION_MAJOR}") set(CPACK_PACKAGE_VERSION_MINOR "${Tutorial_VERSION_MINOR}") include(CPack) # install the configuration targets install(EXPORT MathFunctionsTargets FILE MathFunctionsTargets.cmake DESTINATION lib/cmake/MathFunctions ) include(CMakePackageConfigHelpers) # generate the config file that includes the exports configure_package_config_file(${CMAKE_CURRENT_SOURCE_DIR}/Config.cmake.in "${CMAKE_CURRENT_BINARY_DIR}/MathFunctionsConfig.cmake" INSTALL_DESTINATION "lib/cmake/example" NO_SET_AND_CHECK_MACRO NO_CHECK_REQUIRED_COMPONENTS_MACRO ) # generate the version file for the config file write_basic_package_version_file( "${CMAKE_CURRENT_BINARY_DIR}/MathFunctionsConfigVersion.cmake" VERSION "${Tutorial_VERSION_MAJOR}.${Tutorial_VERSION_MINOR}" COMPATIBILITY AnyNewerVersion ) # install the generated configuration files install(FILES ${CMAKE_CURRENT_BINARY_DIR}/MathFunctionsConfig.cmake ${CMAKE_CURRENT_BINARY_DIR}/MathFunctionsConfigVersion.cmake DESTINATION lib/cmake/MathFunctions ) # generate the export targets for the build tree # needs to be after the install(TARGETS) command export(EXPORT MathFunctionsTargets FILE "${CMAKE_CURRENT_BINARY_DIR}/MathFunctionsTargets.cmake" )