cmake_minimum_required(VERSION 2.8.12) project(nanopb C) set(nanopb_VERSION_STRING nanopb-0.3.9.1) string(REPLACE "nanopb-" "" nanopb_VERSION ${nanopb_VERSION_STRING}) option(nanopb_BUILD_RUNTIME "Build the headers and libraries needed at runtime" ON) option(nanopb_BUILD_GENERATOR "Build the protoc plugin for code generation" ON) option(nanopb_MSVC_STATIC_RUNTIME "Link static runtime libraries" ON) if(NOT DEFINED nanopb_PROTOC_PATH) set(nanopb_PROTOC_PATH "protoc") endif() if(NOT DEFINED CMAKE_DEBUG_POSTFIX) set(CMAKE_DEBUG_POSTFIX "d") endif() include(GNUInstallDirs) if(MSVC AND nanopb_MSVC_STATIC_RUNTIME) foreach(flag_var CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELWITHDEBINFO) if(${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 "lib/cmake/nanopb") endif() if(nanopb_BUILD_GENERATOR) set(generator_protos nanopb plugin) find_package(PythonInterp 2.7 REQUIRED) execute_process( COMMAND ${PYTHON_EXECUTABLE} -c "from distutils import sysconfig; print(sysconfig.get_python_lib(prefix=''))" OUTPUT_VARIABLE PYTHON_INSTDIR OUTPUT_STRIP_TRAILING_WHITESPACE ) foreach(generator_proto IN LISTS generator_protos) string(REGEX REPLACE "([^;]+)" "${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} DESTINATION ${PYTHON_INSTDIR} ) endforeach() endif() if(nanopb_BUILD_RUNTIME) add_library(protobuf-nanopb STATIC pb.h pb_common.h pb_common.c pb_encode.h pb_encode.c pb_decode.h pb_decode.c) target_include_directories(protobuf-nanopb INTERFACE $ ) configure_file(extra/nanopb-config-version.cmake.in nanopb-config-version.cmake @ONLY) install(TARGETS protobuf-nanopb EXPORT nanopb-targets ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}) 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()