| # This file contains backwards compatibility patches for various legacy functions and variables |
| # Functions |
| |
| 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) |
| set(_append_arg APPEND_PATH) |
| endif() |
| |
| if(DEFINED Protobuf_IMPORT_DIRS) |
| set(_import_arg IMPORT_DIRS ${Protobuf_IMPORT_DIRS}) |
| endif() |
| |
| set(_outvar) |
| protobuf_generate(${append_arg} LANGUAGE cpp OUT_VAR _outvar ${_import_arg} PROTOS ${ARGN}) |
| |
| set(${SRCS}) |
| set(${HDRS}) |
| foreach(_file ${_outvar}) |
| if(_file MATCHES "cc$") |
| list(APPEND ${SRCS} ${_file}) |
| else() |
| list(APPEND ${HDRS} ${_file}) |
| endif() |
| endforeach() |
| set(${SRCS} ${${SRCS}} PARENT_SCOPE) |
| set(${HDRS} ${${HDRS}} PARENT_SCOPE) |
| endfunction() |
| |
| function(PROTOBUF_GENERATE_PYTHON SRCS) |
| if(NOT ARGN) |
| message(SEND_ERROR "Error: PROTOBUF_GENERATE_PYTHON() called without any proto files") |
| return() |
| endif() |
| |
| if(PROTOBUF_GENERATE_CPP_APPEND_PATH) |
| set(_append_arg APPEND_PATH) |
| endif() |
| |
| if(DEFINED Protobuf_IMPORT_DIRS) |
| set(_import_arg IMPORT_DIRS ${Protobuf_IMPORT_DIRS}) |
| endif() |
| |
| set(_outvar) |
| protobuf_generate(${append_arg} LANGUAGE cpp OUT_VAR _outvar ${_import_arg} PROTOS ${ARGN}) |
| set(${SRCS} ${_outvar} PARENT_SCOPE) |
| endfunction() |
| |
| # Environment |
| |
| # Backwards compatibility |
| # Define camel case versions of input variables |
| foreach(UPPER |
| PROTOBUF_SRC_ROOT_FOLDER |
| PROTOBUF_IMPORT_DIRS |
| PROTOBUF_DEBUG |
| PROTOBUF_LIBRARY |
| PROTOBUF_PROTOC_LIBRARY |
| PROTOBUF_INCLUDE_DIR |
| PROTOBUF_PROTOC_EXECUTABLE |
| PROTOBUF_LIBRARY_DEBUG |
| PROTOBUF_PROTOC_LIBRARY_DEBUG |
| PROTOBUF_LITE_LIBRARY |
| PROTOBUF_LITE_LIBRARY_DEBUG |
| ) |
| if (DEFINED ${UPPER}) |
| string(REPLACE "PROTOBUF_" "Protobuf_" Camel ${UPPER}) |
| if (NOT DEFINED ${Camel}) |
| set(${Camel} ${${UPPER}}) |
| endif() |
| endif() |
| endforeach() |
| |
| if(DEFINED Protobuf_SRC_ROOT_FOLDER) |
| message(AUTHOR_WARNING "Variable Protobuf_SRC_ROOT_FOLDER defined, but not" |
| " used in CONFIG mode") |
| endif() |
| |
| include(SelectLibraryConfigurations) |
| |
| # Internal function: search for normal library as well as a debug one |
| # if the debug one is specified also include debug/optimized keywords |
| # in *_LIBRARIES variable |
| function(_protobuf_find_libraries name filename) |
| if(${name}_LIBRARIES) |
| # Use result recorded by a previous call. |
| elseif(${name}_LIBRARY) |
| # Honor cache entry used by CMake 3.5 and lower. |
| set(${name}_LIBRARIES "${${name}_LIBRARY}" PARENT_SCOPE) |
| else() |
| get_target_property(${name}_LIBRARY_RELEASE protobuf::lib${filename} |
| LOCATION_RELEASE) |
| get_target_property(${name}_LIBRARY_DEBUG protobuf::lib${filename} |
| LOCATION_DEBUG) |
| |
| select_library_configurations(${name}) |
| set(${name}_LIBRARY ${${name}_LIBRARY} PARENT_SCOPE) |
| set(${name}_LIBRARIES ${${name}_LIBRARIES} PARENT_SCOPE) |
| endif() |
| endfunction() |
| |
| # Internal function: find threads library |
| function(_protobuf_find_threads) |
| set(CMAKE_THREAD_PREFER_PTHREAD TRUE) |
| find_package(Threads) |
| if(Threads_FOUND) |
| list(APPEND PROTOBUF_LIBRARIES ${CMAKE_THREAD_LIBS_INIT}) |
| set(PROTOBUF_LIBRARIES "${PROTOBUF_LIBRARIES}" PARENT_SCOPE) |
| endif() |
| endfunction() |
| |
| # |
| # Main. |
| # |
| |
| # By default have PROTOBUF_GENERATE_CPP macro pass -I to protoc |
| # for each directory where a proto file is referenced. |
| if(NOT DEFINED PROTOBUF_GENERATE_CPP_APPEND_PATH) |
| set(PROTOBUF_GENERATE_CPP_APPEND_PATH TRUE) |
| endif() |
| |
| # The Protobuf library |
| _protobuf_find_libraries(Protobuf protobuf) |
| |
| # The Protobuf Lite library |
| _protobuf_find_libraries(Protobuf_LITE protobuf-lite) |
| |
| # The Protobuf Protoc Library |
| _protobuf_find_libraries(Protobuf_PROTOC protoc) |
| |
| if(UNIX) |
| _protobuf_find_threads() |
| endif() |
| |
| # Set the include directory |
| get_target_property(Protobuf_INCLUDE_DIRS protobuf::libprotobuf |
| INTERFACE_INCLUDE_DIRECTORIES) |
| |
| # Set the protoc Executable |
| get_target_property(Protobuf_PROTOC_EXECUTABLE protobuf::protoc |
| IMPORTED_LOCATION_RELEASE) |
| if(NOT EXISTS "${Protobuf_PROTOC_EXECUTABLE}") |
| get_target_property(Protobuf_PROTOC_EXECUTABLE protobuf::protoc |
| IMPORTED_LOCATION_DEBUG) |
| endif() |
| |
| # Version info variable |
| set(Protobuf_VERSION "@protobuf_VERSION@") |
| |
| include(FindPackageHandleStandardArgs) |
| FIND_PACKAGE_HANDLE_STANDARD_ARGS(Protobuf |
| REQUIRED_VARS Protobuf_PROTOC_EXECUTABLE Protobuf_LIBRARIES Protobuf_INCLUDE_DIRS |
| VERSION_VAR Protobuf_VERSION |
| ) |
| |
| # Backwards compatibility |
| # Define upper case versions of output variables |
| foreach(Camel |
| Protobuf_VERSION |
| Protobuf_SRC_ROOT_FOLDER |
| Protobuf_IMPORT_DIRS |
| Protobuf_DEBUG |
| Protobuf_INCLUDE_DIRS |
| Protobuf_LIBRARIES |
| Protobuf_PROTOC_LIBRARIES |
| Protobuf_LITE_LIBRARIES |
| Protobuf_LIBRARY |
| Protobuf_PROTOC_LIBRARY |
| Protobuf_INCLUDE_DIR |
| Protobuf_PROTOC_EXECUTABLE |
| Protobuf_LIBRARY_DEBUG |
| Protobuf_PROTOC_LIBRARY_DEBUG |
| Protobuf_LITE_LIBRARY |
| Protobuf_LITE_LIBRARY_DEBUG |
| ) |
| string(TOUPPER ${Camel} UPPER) |
| set(${UPPER} ${${Camel}}) |
| endforeach() |