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- cmake_minimum_required(VERSION 2.8.12)
- project(nanopb C)
- set(nanopb_VERSION_STRING nanopb-0.4.7-dev)
- set(nanopb_SOVERSION 0)
- string(REPLACE "nanopb-" "" nanopb_VERSION ${nanopb_VERSION_STRING})
- option(BUILD_SHARED_LIBS "Build shared libraries" OFF)
- option(BUILD_STATIC_LIBS "Build static libraries" ON)
- option(nanopb_BUILD_RUNTIME "Build the headers and libraries needed at runtime" ON)
- option(nanopb_BUILD_GENERATOR "Build the protoc plugin for code generation" ON)
- option(nanopb_MSVC_STATIC_RUNTIME "Link static runtime libraries" ON)
- find_program(nanopb_PROTOC_PATH protoc)
- if(NOT EXISTS ${nanopb_PROTOC_PATH})
- message(FATAL_ERROR "protoc compiler not found")
- endif()
- if(NOT DEFINED CMAKE_DEBUG_POSTFIX)
- set(CMAKE_DEBUG_POSTFIX "d")
- endif()
- include(GNUInstallDirs)
- if(MSVC AND nanopb_MSVC_STATIC_RUNTIME)
- foreach(flag_var
- CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE
- CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELWITHDEBINFO)
- if(${flag_var} MATCHES "/MD")
- string(REGEX REPLACE "/MD" "/MT" ${flag_var} "${${flag_var}}")
- endif(${flag_var} MATCHES "/MD")
- endforeach(flag_var)
- endif()
- if(NOT DEFINED CMAKE_INSTALL_CMAKEDIR)
- set(CMAKE_INSTALL_CMAKEDIR "${CMAKE_INSTALL_LIBDIR}/cmake/nanopb")
- endif()
- find_package(Python REQUIRED COMPONENTS Interpreter)
- execute_process(
- COMMAND ${Python_EXECUTABLE} -c
- "import os.path, sys, sysconfig; print(os.path.relpath(sysconfig.get_path('purelib'), start=sys.prefix))"
- OUTPUT_VARIABLE PYTHON_INSTDIR
- OUTPUT_STRIP_TRAILING_WHITESPACE
- )
- if(nanopb_BUILD_GENERATOR)
- set(generator_protos nanopb)
- foreach(generator_proto IN LISTS generator_protos)
- string(REGEX REPLACE "([^;]+)" "${PROJECT_SOURCE_DIR}/generator/proto/\\1.proto" generator_proto_file "${generator_proto}")
- string(REGEX REPLACE "([^;]+)" "\\1_pb2.py" generator_proto_py_file "${generator_proto}")
- add_custom_command(
- OUTPUT ${generator_proto_py_file}
- COMMAND ${nanopb_PROTOC_PATH} --python_out=${PROJECT_BINARY_DIR} -I${PROJECT_SOURCE_DIR}/generator/proto ${generator_proto_file}
- DEPENDS ${generator_proto_file}
- )
- add_custom_target("generate_${generator_proto_py_file}" ALL DEPENDS ${generator_proto_py_file})
- install(
- FILES ${PROJECT_BINARY_DIR}/${generator_proto_py_file}
- ${generator_proto_file}
- DESTINATION ${PYTHON_INSTDIR}/proto/
- )
- endforeach()
- install( FILES generator/proto/_utils.py
- DESTINATION ${PYTHON_INSTDIR}/proto/ )
- endif()
- if(WIN32)
- install(
- PROGRAMS
- generator/nanopb_generator.py
- generator/protoc-gen-nanopb.bat
- DESTINATION ${CMAKE_INSTALL_BINDIR}
- )
- else()
- install(
- PROGRAMS
- generator/nanopb_generator.py
- generator/protoc-gen-nanopb
- DESTINATION ${CMAKE_INSTALL_BINDIR}
- )
- endif()
- if(nanopb_BUILD_RUNTIME)
- if(BUILD_SHARED_LIBS)
- add_library(protobuf-nanopb SHARED
- pb.h
- pb_common.h
- pb_common.c
- pb_encode.h
- pb_encode.c
- pb_decode.h
- pb_decode.c)
- set_target_properties(protobuf-nanopb PROPERTIES
- SOVERSION ${nanopb_SOVERSION})
- install(TARGETS protobuf-nanopb EXPORT nanopb-targets
- ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
- LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
- RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
- target_include_directories(protobuf-nanopb INTERFACE
- $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
- $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>
- )
- endif()
- if(BUILD_STATIC_LIBS)
- add_library(protobuf-nanopb-static STATIC
- pb.h
- pb_common.h
- pb_common.c
- pb_encode.h
- pb_encode.c
- pb_decode.h
- pb_decode.c)
- set_target_properties(protobuf-nanopb-static PROPERTIES
- OUTPUT_NAME protobuf-nanopb)
- install(TARGETS protobuf-nanopb-static EXPORT nanopb-targets
- ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})
- target_include_directories(protobuf-nanopb-static INTERFACE
- $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
- $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>
- )
- endif()
- configure_file(extra/nanopb-config-version.cmake.in
- nanopb-config-version.cmake @ONLY)
- install(EXPORT nanopb-targets
- DESTINATION ${CMAKE_INSTALL_CMAKEDIR}
- NAMESPACE nanopb::)
- install(FILES extra/nanopb-config.cmake
- ${CMAKE_CURRENT_BINARY_DIR}/nanopb-config-version.cmake
- DESTINATION ${CMAKE_INSTALL_CMAKEDIR})
- install(FILES pb.h pb_common.h pb_encode.h pb_decode.h
- DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
- endif()
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