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| 1 | +cmake_minimum_required(VERSION 3.14) |
| 2 | + |
| 3 | +project(frequency |
| 4 | + VERSION 1.1.0 |
| 5 | + DESCRIPTION "Type-safe frequency handling library modeled after std::chrono" |
| 6 | + HOMEPAGE_URL "https://github.com/cleishm/frequency-cpp" |
| 7 | + LANGUAGES CXX |
| 8 | +) |
| 9 | + |
| 10 | +# ESP-IDF component support |
| 11 | +if(ESP_PLATFORM) |
| 12 | + idf_component_register(INCLUDE_DIRS "include") |
| 13 | + return() |
| 14 | +endif() |
| 15 | + |
| 16 | +option(FREQUENCY_BUILD_TESTS "Build tests" ${frequency_IS_TOP_LEVEL}) |
| 17 | + |
| 18 | +set(CMAKE_CXX_EXTENSIONS OFF) |
| 19 | + |
| 20 | +# Main library target (header-only) |
| 21 | +add_library(frequency INTERFACE) |
| 22 | +add_library(frequency::frequency ALIAS frequency) |
| 23 | + |
| 24 | +target_include_directories(frequency INTERFACE |
| 25 | + $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include> |
| 26 | + $<INSTALL_INTERFACE:include> |
| 27 | +) |
| 28 | + |
| 29 | +target_compile_features(frequency INTERFACE cxx_std_20) |
| 30 | + |
| 31 | +# Formatting (only when this is the top-level project) |
| 32 | +if(frequency_IS_TOP_LEVEL) |
| 33 | + find_program(CLANG_FORMAT_EXECUTABLE NAMES clang-format) |
| 34 | + |
| 35 | + if(CLANG_FORMAT_EXECUTABLE) |
| 36 | + # Get all source files |
| 37 | + file(GLOB_RECURSE ALL_SOURCE_FILES |
| 38 | + ${CMAKE_CURRENT_SOURCE_DIR}/include/*.h |
| 39 | + ${CMAKE_CURRENT_SOURCE_DIR}/include/*.hpp |
| 40 | + ${CMAKE_CURRENT_SOURCE_DIR}/tests/*.cpp |
| 41 | + ${CMAKE_CURRENT_SOURCE_DIR}/tests/*.h |
| 42 | + ) |
| 43 | + |
| 44 | + # Target to check formatting |
| 45 | + add_custom_target(format-check |
| 46 | + COMMAND ${CLANG_FORMAT_EXECUTABLE} --dry-run --Werror ${ALL_SOURCE_FILES} |
| 47 | + COMMENT "Checking code formatting" |
| 48 | + VERBATIM |
| 49 | + ) |
| 50 | + |
| 51 | + # Target to fix formatting |
| 52 | + add_custom_target(format |
| 53 | + COMMAND ${CLANG_FORMAT_EXECUTABLE} -i ${ALL_SOURCE_FILES} |
| 54 | + COMMENT "Applying code formatting" |
| 55 | + VERBATIM |
| 56 | + ) |
| 57 | + |
| 58 | + message(STATUS "clang-format found: format targets available") |
| 59 | + else() |
| 60 | + message(WARNING "clang-format not found: format targets unavailable") |
| 61 | + endif() |
| 62 | +endif() |
| 63 | + |
| 64 | +# Tests |
| 65 | +if(FREQUENCY_BUILD_TESTS) |
| 66 | + enable_testing() |
| 67 | + add_subdirectory(tests) |
| 68 | +endif() |
| 69 | + |
| 70 | +# Documentation |
| 71 | +option(FREQUENCY_BUILD_DOCS "Build documentation" OFF) |
| 72 | + |
| 73 | +if(FREQUENCY_BUILD_DOCS) |
| 74 | + find_package(Doxygen) |
| 75 | + if(DOXYGEN_FOUND) |
| 76 | + set(DOXYGEN_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/docs) |
| 77 | + add_custom_target(docs |
| 78 | + COMMAND ${CMAKE_COMMAND} -E make_directory ${DOXYGEN_OUTPUT_DIRECTORY} |
| 79 | + COMMAND ${DOXYGEN_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/docs/Doxyfile |
| 80 | + WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/docs |
| 81 | + COMMENT "Generating API documentation with Doxygen" |
| 82 | + VERBATIM |
| 83 | + ) |
| 84 | + message(STATUS "Doxygen found: documentation can be built with 'make docs'") |
| 85 | + else() |
| 86 | + message(WARNING "Doxygen not found: documentation cannot be built") |
| 87 | + endif() |
| 88 | +endif() |
| 89 | + |
| 90 | +# Installation |
| 91 | +include(GNUInstallDirs) |
| 92 | +include(CMakePackageConfigHelpers) |
| 93 | + |
| 94 | +install(TARGETS frequency |
| 95 | + EXPORT frequencyTargets |
| 96 | + INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR} |
| 97 | +) |
| 98 | + |
| 99 | +install(DIRECTORY include/ |
| 100 | + DESTINATION ${CMAKE_INSTALL_INCLUDEDIR} |
| 101 | +) |
| 102 | + |
| 103 | +install(EXPORT frequencyTargets |
| 104 | + FILE frequencyTargets.cmake |
| 105 | + NAMESPACE frequency:: |
| 106 | + DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/frequency |
| 107 | +) |
| 108 | + |
| 109 | +configure_package_config_file( |
| 110 | + ${CMAKE_CURRENT_SOURCE_DIR}/cmake/frequencyConfig.cmake.in |
| 111 | + ${CMAKE_CURRENT_BINARY_DIR}/frequencyConfig.cmake |
| 112 | + INSTALL_DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/frequency |
| 113 | +) |
| 114 | + |
| 115 | +write_basic_package_version_file( |
| 116 | + ${CMAKE_CURRENT_BINARY_DIR}/frequencyConfigVersion.cmake |
| 117 | + VERSION ${PROJECT_VERSION} |
| 118 | + COMPATIBILITY SameMajorVersion |
| 119 | +) |
| 120 | + |
| 121 | +install(FILES |
| 122 | + ${CMAKE_CURRENT_BINARY_DIR}/frequencyConfig.cmake |
| 123 | + ${CMAKE_CURRENT_BINARY_DIR}/frequencyConfigVersion.cmake |
| 124 | + DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/frequency |
| 125 | +) |
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