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Initial CMake setup
Signed-off-by: Pierre R. Mai <pmai@pmsf.de>
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‎.gitmodules‎

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[submodule "open-simulation-interface"]
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path = open-simulation-interface
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url = https://github.com/OpenSimulationInterface/open-simulation-interface.git

‎CMakeLists.txt‎

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cmake_minimum_required(VERSION 3.10)
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project(open_simulation_interface)
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# Toplevel check
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set(OSI_IS_TOP_LEVEL OFF)
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if(CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR)
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set(OSI_IS_TOP_LEVEL ON)
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endif()
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# Set the C++ standard
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set(CMAKE_CXX_STANDARD 11 CACHE STRING "C++ standard to be used")
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set(CMAKE_CXX_STANDARD_REQUIRED ON)
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if(MSVC)
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add_compile_options(/wd4141 /wd4244 /wd4251 /wd4267 /wd4305 /wd4355 /wd4800 /wd4996)
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endif()
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# Set a default build type if none was specified
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set(default_build_type "Release")
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if(EXISTS "${CMAKE_SOURCE_DIR}/.git")
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set(default_build_type "Debug")
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endif()
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# read the version number from the file "VERSION"
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file(STRINGS "open-simulation-interface/VERSION" VERSION_CONTENTS)
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foreach(LINE ${VERSION_CONTENTS})
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string(REGEX REPLACE " |\t" "" LINE ${LINE})
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string(REGEX MATCH "^[^=]+" VERSION_NAME ${LINE})
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string(REPLACE "${VERSION_NAME}=" "" VERSION_VALUE ${LINE})
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set(${VERSION_NAME} "${VERSION_VALUE}")
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endforeach()
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set(OPEN_SIMULATION_INTERFACE_VERSION ${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH})
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set(${PROJECT_NAME}_SOVERSION "${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH}")
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set(${PROJECT_NAME}_LIBVERSION "${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH}")
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# configure build version
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if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
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message(STATUS "Setting build type to '${default_build_type}' as none was specified.")
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set(CMAKE_BUILD_TYPE "${default_build_type}" CACHE
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STRING "Choose the type of build." FORCE)
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# Set the possible values of build type for cmake-gui
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set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS
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"Debug" "Release" "MinSizeRel" "RelWithDebInfo")
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endif()
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# Offer the user the choice of overriding the installation directories
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set(OSI_INSTALL_LIB_DIR lib CACHE PATH "Installation directory for libraries")
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set(OSI_INSTALL_INCLUDE_DIR include CACHE PATH "Installation directory for header files")
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if(WIN32 AND NOT CYGWIN)
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set(DEF_INSTALL_CMAKE_DIR CMake/${PROJECT_NAME}-${VERSION_MAJOR})
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else()
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set(DEF_INSTALL_CMAKE_DIR lib/cmake/${PROJECT_NAME}-${VERSION_MAJOR})
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endif()
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set(OSI_INSTALL_CMAKE_DIR ${DEF_INSTALL_CMAKE_DIR} CACHE PATH "Installation directory for CMake files")
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set(OSI_INSTALL_LIB_DIR ${OSI_INSTALL_LIB_DIR}/osi${VERSION_MAJOR})
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set(OSI_INSTALL_INCLUDE_DIR ${OSI_INSTALL_INCLUDE_DIR}/osi${VERSION_MAJOR})
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configure_file(open-simulation-interface/osi_version.proto.in osi_version.proto)
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find_package(Protobuf REQUIRED)
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include_directories(${Protobuf_INCLUDE_DIRS})
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file(GLOB OSI_PROTO_FILES open-simulation-interface/*.proto)
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list(INSERT OSI_PROTO_FILES 0 ${CMAKE_CURRENT_BINARY_DIR}/osi_version.proto)
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protobuf_generate_cpp(PROTO_SRCS PROTO_HEADERS ${OSI_PROTO_FILES})
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add_library(${PROJECT_NAME}_static STATIC ${PROTO_SRCS} ${PROTO_HEADERS})
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add_library(${PROJECT_NAME}::${PROJECT_NAME}_static ALIAS ${PROJECT_NAME}_static)
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target_include_directories(${PROJECT_NAME}_static
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PUBLIC
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${PROTOBUF_INCLUDE_DIR}
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$<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}>
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$<INSTALL_INTERFACE:${OSI_INSTALL_INCLUDE_DIR}>
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)
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target_link_libraries(${PROJECT_NAME}_static PUBLIC protobuf::libprotobuf)
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install(TARGETS ${PROJECT_NAME}_static
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EXPORT ${PROJECT_NAME}_targets
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ARCHIVE DESTINATION "${OSI_INSTALL_LIB_DIR}" COMPONENT lib)
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add_library(${PROJECT_NAME}_obj OBJECT ${PROTO_SRCS} ${PROTO_HEADERS})
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add_library(${PROJECT_NAME}::${PROJECT_NAME}_obj ALIAS ${PROJECT_NAME}_obj)
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target_include_directories(${PROJECT_NAME}_obj
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PUBLIC
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${PROTOBUF_INCLUDE_DIR}
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$<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}>
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$<INSTALL_INTERFACE:${OSI_INSTALL_INCLUDE_DIR}>
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)
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set_property(TARGET ${PROJECT_NAME}_obj PROPERTY POSITION_INDEPENDENT_CODE ON)
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add_library(${PROJECT_NAME}_pic STATIC $<TARGET_OBJECTS:${PROJECT_NAME}_obj>)
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add_library(${PROJECT_NAME}::${PROJECT_NAME}_pic ALIAS ${PROJECT_NAME}_pic)
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target_include_directories(${PROJECT_NAME}_pic
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PUBLIC
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${PROTOBUF_INCLUDE_DIR}
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$<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}>
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$<INSTALL_INTERFACE:${OSI_INSTALL_INCLUDE_DIR}>
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)
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target_link_libraries(${PROJECT_NAME}_pic PUBLIC protobuf::libprotobuf)
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set_property(TARGET ${PROJECT_NAME}_pic PROPERTY POSITION_INDEPENDENT_CODE ON)
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install(TARGETS ${PROJECT_NAME}_pic
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EXPORT ${PROJECT_NAME}_targets
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ARCHIVE DESTINATION "${OSI_INSTALL_LIB_DIR}" COMPONENT lib)
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add_library(${PROJECT_NAME} SHARED $<TARGET_OBJECTS:${PROJECT_NAME}_obj>)
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add_library(${PROJECT_NAME}::${PROJECT_NAME} ALIAS ${PROJECT_NAME})
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target_include_directories(${PROJECT_NAME}
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PUBLIC
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${PROTOBUF_INCLUDE_DIR}
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$<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}>
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$<INSTALL_INTERFACE:${OSI_INSTALL_INCLUDE_DIR}>
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)
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set_property(
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TARGET ${PROJECT_NAME}
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PROPERTY SOVERSION ${${PROJECT_NAME}_SOVERSION}
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)
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set_property(
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TARGET ${PROJECT_NAME}
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PROPERTY VERSION ${${PROJECT_NAME}_LIBVERSION}
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)
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target_link_libraries(${PROJECT_NAME} PUBLIC protobuf::libprotobuf)
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install(TARGETS ${PROJECT_NAME}
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EXPORT ${PROJECT_NAME}_targets
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DESTINATION "${OSI_INSTALL_LIB_DIR}" COMPONENT lib)
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# Copy proto headers to where they are expected by the package config file
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add_custom_command(
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TARGET ${PROJECT_NAME} POST_BUILD
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COMMAND ${CMAKE_COMMAND} -E make_directory
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${CMAKE_CURRENT_BINARY_DIR}/${OSI_INSTALL_INCLUDE_DIR}
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COMMAND ${CMAKE_COMMAND} -E copy
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${PROTO_HEADERS}
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${CMAKE_CURRENT_BINARY_DIR}/${OSI_INSTALL_INCLUDE_DIR})
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# Create the package config files
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include(CMakePackageConfigHelpers)
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write_basic_package_version_file(
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"${CMAKE_CURRENT_BINARY_DIR}/open_simulation_interface-config-version.cmake"
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VERSION ${OPEN_SIMULATION_INTERFACE_VERSION}
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COMPATIBILITY SameMajorVersion
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)
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export(EXPORT ${PROJECT_NAME}_targets
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FILE "${CMAKE_CURRENT_BINARY_DIR}/open_simulation_interface-targets.cmake"
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NAMESPACE ${PROJECT_NAME}::
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)
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configure_package_config_file(open_simulation_interface-config.cmake.in
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"${CMAKE_CURRENT_BINARY_DIR}/open_simulation_interface-config.cmake"
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INSTALL_DESTINATION ${OSI_INSTALL_CMAKE_DIR}
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PATH_VARS OSI_INSTALL_INCLUDE_DIR
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NO_CHECK_REQUIRED_COMPONENTS_MACRO
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)
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# Install the *cmake files
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install(FILES
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"${CMAKE_CURRENT_BINARY_DIR}/open_simulation_interface-config.cmake"
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"${CMAKE_CURRENT_BINARY_DIR}/open_simulation_interface-config-version.cmake"
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DESTINATION "${OSI_INSTALL_CMAKE_DIR}"
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COMPONENT dev)
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# Header files
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install(FILES ${PROTO_HEADERS}
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DESTINATION "${OSI_INSTALL_INCLUDE_DIR}")
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# Install the export set for use with the install-tree
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install(EXPORT ${PROJECT_NAME}_targets
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FILE open_simulation_interface-targets.cmake
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NAMESPACE ${PROJECT_NAME}::
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DESTINATION "${OSI_INSTALL_CMAKE_DIR}"
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COMPONENT dev)

‎CMakePresets.json‎

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{
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"version": 3,
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"configurePresets": [
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{
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"name": "vcpkg",
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"binaryDir": "${sourceDir}/build",
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"cacheVariables": {
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"CMAKE_TOOLCHAIN_FILE": "$env{VCPKG_ROOT}/scripts/buildsystems/vcpkg.cmake"
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}
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}
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]
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}

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