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95 lines
3.1 KiB
95 lines
3.1 KiB
4 months ago
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cmake_minimum_required(VERSION 2.8.12)
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project(nanopb C)
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set(nanopb_VERSION_STRING nanopb-0.3.9.1)
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string(REPLACE "nanopb-" "" nanopb_VERSION ${nanopb_VERSION_STRING})
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option(nanopb_BUILD_RUNTIME "Build the headers and libraries needed at runtime" ON)
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option(nanopb_BUILD_GENERATOR "Build the protoc plugin for code generation" ON)
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option(nanopb_MSVC_STATIC_RUNTIME "Link static runtime libraries" ON)
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if(NOT DEFINED nanopb_PROTOC_PATH)
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set(nanopb_PROTOC_PATH "protoc")
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endif()
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if(NOT DEFINED CMAKE_DEBUG_POSTFIX)
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set(CMAKE_DEBUG_POSTFIX "d")
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endif()
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include(GNUInstallDirs)
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if(MSVC AND nanopb_MSVC_STATIC_RUNTIME)
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foreach(flag_var
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CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE
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CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELWITHDEBINFO)
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if(${flag_var} MATCHES "/MD")
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string(REGEX REPLACE "/MD" "/MT" ${flag_var} "${${flag_var}}")
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endif(${flag_var} MATCHES "/MD")
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endforeach(flag_var)
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endif()
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if(NOT DEFINED CMAKE_INSTALL_CMAKEDIR)
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set(CMAKE_INSTALL_CMAKEDIR "lib/cmake/nanopb")
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endif()
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if(nanopb_BUILD_GENERATOR)
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set(generator_protos nanopb plugin)
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find_package(PythonInterp 2.7 REQUIRED)
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execute_process(
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COMMAND ${PYTHON_EXECUTABLE} -c
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"from distutils import sysconfig; print(sysconfig.get_python_lib(prefix=''))"
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OUTPUT_VARIABLE PYTHON_INSTDIR
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OUTPUT_STRIP_TRAILING_WHITESPACE
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)
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foreach(generator_proto IN LISTS generator_protos)
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string(REGEX REPLACE "([^;]+)" "${PROJECT_SOURCE_DIR}/generator/proto/\\1.proto" generator_proto_file "${generator_proto}")
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string(REGEX REPLACE "([^;]+)" "\\1_pb2.py" generator_proto_py_file "${generator_proto}")
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add_custom_command(
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OUTPUT ${generator_proto_py_file}
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COMMAND ${nanopb_PROTOC_PATH} --python_out=${PROJECT_BINARY_DIR} -I${PROJECT_SOURCE_DIR}/generator/proto ${generator_proto_file}
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DEPENDS ${generator_proto_file}
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)
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add_custom_target("generate_${generator_proto_py_file}" ALL DEPENDS ${generator_proto_py_file})
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install(
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FILES ${PROJECT_BINARY_DIR}/${generator_proto_py_file}
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DESTINATION ${PYTHON_INSTDIR}
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)
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endforeach()
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endif()
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if(nanopb_BUILD_RUNTIME)
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add_library(protobuf-nanopb STATIC
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pb.h
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pb_common.h
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pb_common.c
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pb_encode.h
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pb_encode.c
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pb_decode.h
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pb_decode.c)
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target_include_directories(protobuf-nanopb INTERFACE
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$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
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)
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configure_file(extra/nanopb-config-version.cmake.in
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nanopb-config-version.cmake @ONLY)
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install(TARGETS protobuf-nanopb EXPORT nanopb-targets
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ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})
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install(EXPORT nanopb-targets
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DESTINATION ${CMAKE_INSTALL_CMAKEDIR}
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NAMESPACE nanopb::)
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install(FILES extra/nanopb-config.cmake
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${CMAKE_CURRENT_BINARY_DIR}/nanopb-config-version.cmake
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DESTINATION ${CMAKE_INSTALL_CMAKEDIR})
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install(FILES pb.h pb_common.h pb_encode.h pb_decode.h
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DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
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endif()
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