add_subdirectory(build/hidapi) add_subdirectory(build/tinkerforge) if(ENABLE_WS281XPWM) add_library(ws281x external/rpi_ws281x/mailbox.c external/rpi_ws281x/ws2811.c external/rpi_ws281x/pwm.c external/rpi_ws281x/dma.c external/rpi_ws281x/rpihw.c) endif() set(USE_SYSTEM_PROTO_LIBS ${DEFAULT_USE_SYSTEM_PROTO_LIBS} CACHE BOOL "use protobuf library from system") if (USE_SYSTEM_PROTO_LIBS) find_package(Protobuf REQUIRED) include_directories(${PROTOBUF_INCLUDE_DIRS}) else () set(BUILD_SHARED_LIBS OFF CACHE BOOL "Build shared protobuf library") add_subdirectory(external/protobuf) if(CMAKE_CROSSCOMPILING) # when crosscompiling import the protoc executable targets from a file generated by a native build option(IMPORT_PROTOC "Protoc export file (protoc_export.cmake) from a native build" "IMPORT_PROTOC-FILE_NOT_FOUND") include(${IMPORT_PROTOC}) else() # export the protoc compiler so it can be used when cross compiling export(TARGETS protoc_compiler FILE "${CMAKE_BINARY_DIR}/protoc_export.cmake") endif() # define the include for the protobuf library at the parent scope set(PROTOBUF_INCLUDE_DIRS "${CMAKE_CURRENT_SOURCE_DIR}/external/protobuf/src") set(PROTOBUF_INCLUDE_DIRS ${PROTOBUF_INCLUDE_DIRS} PARENT_SCOPE) # define the protoc executable at the parent scope get_property(PROTOBUF_PROTOC_EXECUTABLE TARGET protoc_compiler PROPERTY LOCATION) set(PROTOBUF_PROTOC_EXECUTABLE ${PROTOBUF_PROTOC_EXECUTABLE} PARENT_SCOPE) endif() message(STATUS "Using protobuf compiler: " ${PROTOBUF_PROTOC_EXECUTABLE}) #============================================================================= # Copyright 2009 Kitware, Inc. # Copyright 2009-2011 Philip Lowman # Copyright 2008 Esben Mose Hansen, Ange Optimization ApS # # Distributed under the OSI-approved BSD License (the "License"); # see accompanying file Copyright.txt for details. # # This software is distributed WITHOUT ANY WARRANTY; without even the # implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. # See the License for more information. #============================================================================= # (To distribute this file outside of CMake, substitute the full # License text for the above reference.) function(PROTOBUF_GENERATE_CPP SRCS HDRS) if(NOT ARGN) message(SEND_ERROR "Error: PROTOBUF_GENERATE_CPP() called without any proto files") return() endif() if(PROTOBUF_GENERATE_CPP_APPEND_PATH) # Create an include path for each file specified foreach(FIL ${ARGN}) get_filename_component(ABS_FIL ${FIL} ABSOLUTE) get_filename_component(ABS_PATH ${ABS_FIL} PATH) list(FIND _protobuf_include_path ${ABS_PATH} _contains_already) if(${_contains_already} EQUAL -1) list(APPEND _protobuf_include_path -I ${ABS_PATH}) endif() endforeach() else() set(_protobuf_include_path -I ${CMAKE_CURRENT_SOURCE_DIR}) endif() if(DEFINED PROTOBUF_IMPORT_DIRS) foreach(DIR ${PROTOBUF_IMPORT_DIRS}) get_filename_component(ABS_PATH ${DIR} ABSOLUTE) list(FIND _protobuf_include_path ${ABS_PATH} _contains_already) if(${_contains_already} EQUAL -1) list(APPEND _protobuf_include_path -I ${ABS_PATH}) endif() endforeach() endif() if(CMAKE_CROSSCOMPILING OR USE_SYSTEM_PROTO_LIBS) set(PROTOC_DEPENDENCY ${PROTOBUF_PROTOC_EXECUTABLE}) else() set(PROTOC_DEPENDENCY protoc_compiler) endif() set(${SRCS}) set(${HDRS}) foreach(FIL ${ARGN}) get_filename_component(ABS_FIL ${FIL} ABSOLUTE) get_filename_component(FIL_WE ${FIL} NAME_WE) list(APPEND ${SRCS} "${CMAKE_CURRENT_BINARY_DIR}/${FIL_WE}.pb.cc") list(APPEND ${HDRS} "${CMAKE_CURRENT_BINARY_DIR}/${FIL_WE}.pb.h") add_custom_command( OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/${FIL_WE}.pb.cc" "${CMAKE_CURRENT_BINARY_DIR}/${FIL_WE}.pb.h" COMMAND ${PROTOBUF_PROTOC_EXECUTABLE} ARGS --cpp_out ${CMAKE_CURRENT_BINARY_DIR} ${_protobuf_include_path} ${ABS_FIL} DEPENDS ${ABS_FIL} ${PROTOC_DEPENDENCY} COMMENT "Running C++ protocol buffer compiler on ${FIL}" VERBATIM ) endforeach() set_source_files_properties(${${SRCS}} ${${HDRS}} PROPERTIES GENERATED TRUE) set(${SRCS} ${${SRCS}} PARENT_SCOPE) set(${HDRS} ${${HDRS}} PARENT_SCOPE) endfunction()