156 lines
4.7 KiB
CMake
156 lines
4.7 KiB
CMake
cmake_minimum_required(VERSION 3.10)
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project(akerror LANGUAGES C)
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include(GNUInstallDirs)
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include(CMakePackageConfigHelpers)
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include(CTest)
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set(AKERR_USE_STDLIB 1 CACHE BOOL "Use the C standard library")
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set(akerror_install_cmakedir "${CMAKE_INSTALL_LIBDIR}/cmake/akerror")
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set(SCRIPT ${CMAKE_CURRENT_SOURCE_DIR}/scripts/generrno.sh)
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set(INFILE ${CMAKE_CURRENT_SOURCE_DIR}/include/akerror.tmpl.h)
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set(GENERATED_DIR ${CMAKE_CURRENT_BINARY_DIR}/generated)
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set(GENERATED_ERRNO_C ${GENERATED_DIR}/src/errno.c)
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set(GENERATED_AKERROR_H ${GENERATED_DIR}/include/akerror.h)
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add_custom_command(
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OUTPUT ${GENERATED_ERRNO_C} ${GENERATED_AKERROR_H}
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COMMAND ${CMAKE_COMMAND} -E make_directory ${GENERATED_DIR}
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COMMAND /usr/bin/env bash
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${SCRIPT}
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${CMAKE_CURRENT_SOURCE_DIR}
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${GENERATED_DIR}
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DEPENDS ${SCRIPT} ${INFILE}
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VERBATIM
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)
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add_library(akerror SHARED
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src/error.c
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${GENERATED_ERRNO_C}
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)
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target_include_directories(akerror PUBLIC
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$<BUILD_INTERFACE:${GENERATED_DIR}/include>
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$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
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)
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find_package(PkgConfig REQUIRED)
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add_library(akerror::akerror ALIAS akerror)
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target_compile_definitions(akerror
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PUBLIC AKERR_USE_STDLIB=${AKERR_USE_STDLIB}
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)
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# Each test is one source file in tests/ built into test_<name> and registered
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# as CTest <name>. Tests expected to abort (unhandled error / contract
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# violation) go in AKERR_WILL_FAIL_TESTS; all others must exit 0.
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set(AKERR_TESTS
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err_catch
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err_cleanup
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err_trace
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err_improper_closure
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err_success
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err_pool_refcount
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err_handle_default
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err_handle_group
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err_handle_dispatch
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err_pass
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err_ignore
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err_swallow
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err_errno
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err_break_variants
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err_custom_handler
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err_error_names
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err_release_clears
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err_pool_exhaust
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err_maxval
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err_refcount_double_fail
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err_stacktrace_bounds
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err_name_bounds
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err_format_string
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)
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set(AKERR_WILL_FAIL_TESTS
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err_trace
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err_improper_closure
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)
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foreach(_test IN LISTS AKERR_TESTS)
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add_executable(test_${_test} tests/${_test}.c)
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target_include_directories(test_${_test} PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/tests)
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target_link_libraries(test_${_test} PRIVATE akerror)
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add_test(NAME ${_test} COMMAND test_${_test})
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endforeach()
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# err_maxval parses the generated header to check AKERR_MAX_ERR_VALUE covers
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# every AKERR_* code, so it needs the path to the header it was built against.
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target_compile_definitions(test_err_maxval PRIVATE
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AKERR_GENERATED_HEADER="${GENERATED_AKERROR_H}")
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set_tests_properties(
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${AKERR_WILL_FAIL_TESTS}
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PROPERTIES WILL_FAIL TRUE
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)
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# Mutation testing: break the library in small ways and confirm the test suite
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# notices. This is a meta-check on the tests themselves, so it is a manual
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# target (it rebuilds and re-runs the whole suite many times), not a CTest test.
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# cmake --build build --target mutation
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# When embedded in another project, use a namespaced target to avoid collisions
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# with mutation targets provided by sibling dependencies.
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find_package(Python3 COMPONENTS Interpreter)
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if(Python3_FOUND)
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if(CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
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set(AKERR_MUTATION_TARGET mutation)
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else()
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set(AKERR_MUTATION_TARGET akerror_mutation)
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endif()
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add_custom_target(${AKERR_MUTATION_TARGET}
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COMMAND ${Python3_EXECUTABLE}
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${CMAKE_CURRENT_SOURCE_DIR}/scripts/mutation_test.py
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--source-root ${CMAKE_CURRENT_SOURCE_DIR}
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WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
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USES_TERMINAL
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COMMENT "Running mutation tests (breaks the library, expects tests to fail)"
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)
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endif()
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set(main_lib_dest "lib/my_library-${MY_LIBRARY_VERSION}")
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install(TARGETS akerror
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EXPORT akerrorTargets
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ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
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LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
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RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
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INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
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)
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install(FILES ${GENERATED_AKERROR_H} DESTINATION "include/")
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install(FILES ${CMAKE_CURRENT_BINARY_DIR}/akerror.pc DESTINATION "lib/pkgconfig/")
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install(EXPORT akerrorTargets
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FILE akerrorTargets.cmake
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NAMESPACE akerror::
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DESTINATION ${akerror_install_cmakedir}
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)
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configure_package_config_file(
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cmake/akerror.cmake.in
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"${CMAKE_CURRENT_BINARY_DIR}/akerrorConfig.cmake"
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INSTALL_DESTINATION ${akerror_install_cmakedir}
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)
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install(FILES
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"${CMAKE_CURRENT_BINARY_DIR}/akerrorConfig.cmake"
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DESTINATION ${akerror_install_cmakedir}
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)
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# pkgconfig
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set(prefix ${CMAKE_INSTALL_PREFIX})
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set(exec_prefix "\${prefix}")
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set(libdir "\${exec_prefix}/lib")
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set(includedir "\${prefix}/include")
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configure_file(${CMAKE_CURRENT_SOURCE_DIR}/akerror.pc.in ${CMAKE_CURRENT_BINARY_DIR}/akerror.pc @ONLY)
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