diff options
Diffstat (limited to 'third_party/protobuf/3.4.0/cmake/protobuf-module.cmake.in')
-rw-r--r-- | third_party/protobuf/3.4.0/cmake/protobuf-module.cmake.in | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/third_party/protobuf/3.4.0/cmake/protobuf-module.cmake.in b/third_party/protobuf/3.4.0/cmake/protobuf-module.cmake.in new file mode 100644 index 0000000000..8e4920aa80 --- /dev/null +++ b/third_party/protobuf/3.4.0/cmake/protobuf-module.cmake.in @@ -0,0 +1,182 @@ +# 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() |