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Add an example on how to build libocpp with FetchContent instead of EDM
Signed-off-by: Kai-Uwe Hermann <kai-uwe.hermann@pionix.de>
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| *vscode | ||
| workspace.yaml | ||
| CMakeLists.txt.user | ||
| !doc/build-with-fetchcontent | ||
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| Original file line number | Diff line number | Diff line change |
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| cmake_minimum_required(VERSION 3.14) | ||
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| project(builder | ||
| VERSION 0.1 | ||
| DESCRIPTION "A example builder for libocpp and libtimer" | ||
| LANGUAGES CXX | ||
| ) | ||
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| set(JSON_BUILD_TESTS OFF CACHE INTERNAL "Build JSON tests") | ||
| set(JSON_MultipleHeaders ON CACHE INTERNAL "Build JSON multi header config") | ||
| set(BUILD_TESTS OFF CACHE INTERNAL "Build tests") | ||
| set(BUILD_EXAMPLES OFF CACHE INTERNAL "Build examples") | ||
| set(BUILD_TZ_LIB ON CACHE INTERNAL "") | ||
| set(HAS_REMOTE_API 0 CACHE INTERNAL "") | ||
| set(USE_AUTOLOAD 0 CACHE INTERNAL "") | ||
| set(USE_SYSTEM_TZ_DB ON CACHE INTERNAL "") | ||
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| macro(find_date_library) | ||
| message(STATUS "Using FetchContent for date library") | ||
| set(EXTERNAL_DATE_NAME date) | ||
| set(EXTERNAL_DATE_URL https://github.com/HowardHinnant/date.git) | ||
| set(EXTERNAL_DATE_TAG v3.0.1) | ||
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| FetchContent_Declare( | ||
| ${EXTERNAL_DATE_NAME} | ||
| GIT_REPOSITORY ${EXTERNAL_DATE_URL} | ||
| GIT_TAG ${EXTERNAL_DATE_TAG} | ||
| ) | ||
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| FetchContent_MakeAvailable(${EXTERNAL_DATE_NAME}) | ||
| endmacro() | ||
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| macro(find_everest_cmake) | ||
| message(STATUS "Using FetchContent for everest-cmake") | ||
| set(EXTERNAL_EVEREST_CMAKE_NAME everest-cmake) | ||
| set(EXTERNAL_EVEREST_CMAKE_URL https://github.com/EVerest/everest-cmake.git) | ||
| set(EXTERNAL_EVEREST_CMAKE_TAG v0.1.0) | ||
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| message(STATUS "Fetching everest cmake") | ||
| FetchContent_Declare( | ||
| ${EXTERNAL_EVEREST_CMAKE_NAME} | ||
| GIT_REPOSITORY ${EXTERNAL_EVEREST_CMAKE_URL} | ||
| GIT_TAG ${EXTERNAL_EVEREST_CMAKE_TAG} | ||
| ) | ||
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| FetchContent_MakeAvailable(${EXTERNAL_EVEREST_CMAKE_NAME}) | ||
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| # Add the cmake directory to the module path | ||
| # this is needed because some submodules (everest-timer and everest-log) still need to find the cmake module using "find_package" | ||
| set(${EXTERNAL_EVEREST_CMAKE_NAME}_DIR ${CMAKE_BINARY_DIR}/_deps/${EXTERNAL_EVEREST_CMAKE_NAME}-src) | ||
| _find_package(everest-cmake REQUIRED PATHS ${everest-cmake_DIR}) | ||
| endmacro() | ||
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| macro(find_nlohmann_json) | ||
| message(STATUS "Using FetchContent for nlohmann_json library") | ||
| set(EXTERNAL_JSON_NAME nlohmann_json) | ||
| set(EXTERNAL_JSON_URL https://github.com/nlohmann/json.git) | ||
| set(EXTERNAL_JSON_TAG v3.10.5) | ||
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| FetchContent_Declare( | ||
| ${EXTERNAL_JSON_NAME} | ||
| GIT_REPOSITORY ${EXTERNAL_JSON_URL} | ||
| GIT_TAG ${EXTERNAL_JSON_TAG} | ||
| ) | ||
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| FetchContent_MakeAvailable(${EXTERNAL_JSON_NAME}) | ||
| endmacro() | ||
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| macro(find_nlohmann_json_schema_validator) | ||
| message(STATUS "Using FetchContent for nlohmann_json_schema library") | ||
| set(EXTERNAL_JSON_SCHEMA_NAME nlohmann_json_schema_validator) | ||
| set(EXTERNAL_JSON_SCHEMA_URL https://github.com/pboettch/json-schema-validator) | ||
| set(EXTERNAL_JSON_SCHEMA_TAG 2.1.0) | ||
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| FetchContent_Declare( | ||
| ${EXTERNAL_JSON_SCHEMA_NAME} | ||
| GIT_REPOSITORY ${EXTERNAL_JSON_SCHEMA_URL} | ||
| GIT_TAG ${EXTERNAL_JSON_SCHEMA_TAG} | ||
| ) | ||
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| FetchContent_MakeAvailable(${EXTERNAL_JSON_SCHEMA_NAME}) | ||
| endmacro() | ||
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| macro(find_websocketpp) | ||
| message(STATUS "Using FetchContent for websocketpp library") | ||
| set(EXTERNAL_WEBSOCKET_NAME websocketpp) | ||
| set(EXTERNAL_WEBSOCKET_URL https://github.com/zaphoyd/websocketpp.git) | ||
| set(EXTERNAL_WEBSOCKET_TAG 0.8.2) | ||
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| FetchContent_Declare( | ||
| ${EXTERNAL_WEBSOCKET_NAME} | ||
| GIT_REPOSITORY ${EXTERNAL_WEBSOCKET_URL} | ||
| GIT_TAG ${EXTERNAL_WEBSOCKET_TAG} | ||
| ) | ||
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| FetchContent_MakeAvailable(${EXTERNAL_WEBSOCKET_NAME}) | ||
| add_library(websocketpp::websocketpp INTERFACE IMPORTED) | ||
| set_target_properties(websocketpp::websocketpp PROPERTIES INTERFACE_INCLUDE_DIRECTORIES "${websocketpp_SOURCE_DIR}") | ||
| endmacro() | ||
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| macro(find_fsm) | ||
| message(STATUS "Using FetchContent for fsm library") | ||
| set(EXTERNAL_FSM_NAME fsm) | ||
| set(EXTERNAL_FSM_URL https://github.com/EVerest/libfsm.git) | ||
| set(EXTERNAL_FSM_TAG v0.2.0) | ||
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| FetchContent_Declare( | ||
| ${EXTERNAL_FSM_NAME} | ||
| GIT_REPOSITORY ${EXTERNAL_FSM_URL} | ||
| GIT_TAG ${EXTERNAL_FSM_TAG} | ||
| ) | ||
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| FetchContent_MakeAvailable(${EXTERNAL_FSM_NAME}) | ||
| endmacro() | ||
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| macro(find_everest_timer) | ||
| message(STATUS "Using FetchContent for everest-timer library") | ||
| set(EXTERNAL_EVEREST_TIMER_NAME everest-timer) | ||
| set(EXTERNAL_EVEREST_TIMER_URL https://github.com/EVerest/libtimer.git) | ||
| set(EXTERNAL_EVEREST_TIMER_TAG v0.1.1) | ||
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| FetchContent_Declare( | ||
| ${EXTERNAL_EVEREST_TIMER_NAME} | ||
| GIT_REPOSITORY ${EXTERNAL_EVEREST_TIMER_URL} | ||
| GIT_TAG ${EXTERNAL_EVEREST_TIMER_TAG} | ||
| ) | ||
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| FetchContent_MakeAvailable(${EXTERNAL_EVEREST_TIMER_NAME}) | ||
| endmacro() | ||
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| macro(find_everest_log) | ||
| message(STATUS "Using FetchContent for everest-log library") | ||
| set(EXTERNAL_EVEREST_LOG_NAME everest-log) | ||
| set(EXTERNAL_EVEREST_LOG_URL https://github.com/EVerest/liblog.git) | ||
| set(EXTERNAL_EVEREST_LOG_TAG v0.1.0) | ||
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| FetchContent_Declare( | ||
| ${EXTERNAL_EVEREST_LOG_NAME} | ||
| GIT_REPOSITORY ${EXTERNAL_EVEREST_LOG_URL} | ||
| GIT_TAG ${EXTERNAL_EVEREST_LOG_TAG} | ||
| ) | ||
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| FetchContent_MakeAvailable(${EXTERNAL_EVEREST_LOG_NAME}) | ||
| endmacro() | ||
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| macro(find_package PACKAGE_NAME) | ||
| message(STATUS "FIND PACKAGE ${PACKAGE_NAME}") | ||
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| if("${PACKAGE_NAME}" STREQUAL "date") | ||
| find_date_library() | ||
| elseif("${PACKAGE_NAME}" STREQUAL "everest-cmake") | ||
| find_everest_cmake() | ||
| elseif("${PACKAGE_NAME}" STREQUAL "nlohmann_json") | ||
| find_nlohmann_json() | ||
| elseif("${PACKAGE_NAME}" STREQUAL "nlohmann_json_schema_validator") | ||
| find_nlohmann_json_schema_validator() | ||
| elseif("${PACKAGE_NAME}" STREQUAL "websocketpp") | ||
| find_websocketpp() | ||
| elseif("${PACKAGE_NAME}" STREQUAL "fsm") | ||
| find_fsm() | ||
| elseif("${PACKAGE_NAME}" STREQUAL "everest-timer") | ||
| find_everest_timer() | ||
| elseif("${PACKAGE_NAME}" STREQUAL "everest-log") | ||
| find_everest_log() | ||
| else() | ||
| message(STATUS "Using regular findpackage for ${PACKAGE_NAME}") | ||
| _find_package(${ARGV}) | ||
| endif() | ||
| endmacro() | ||
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| include(FetchContent) | ||
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| set(EXTERNAL_OCPP_NAME libocpp) | ||
| set(EXTERNAL_OCPP_URL https://github.com/EVerest/libocpp.git) | ||
| set(EXTERNAL_OCPP_TAG main) | ||
| set(DISABLE_EDM ON CACHE INTERNAL "") | ||
| set(LIBOCPP16_BUILD_EXAMPLES ON CACHE INTERNAL "") | ||
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| # Fetch libocpp | ||
| FetchContent_Declare( | ||
| ${EXTERNAL_OCPP_NAME} | ||
| GIT_REPOSITORY ${EXTERNAL_OCPP_URL} | ||
| GIT_TAG ${EXTERNAL_OCPP_TAG} | ||
| ) | ||
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| # Find the libocpp package | ||
| FetchContent_MakeAvailable(${EXTERNAL_OCPP_NAME}) |