78 lines
3.2 KiB
CMake
78 lines
3.2 KiB
CMake
# ========================= eCAL LICENSE =================================
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#
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# Copyright (C) 2016 - 2019 Continental Corporation
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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# ========================= eCAL LICENSE =================================
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project(core_pb)
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find_package(Protobuf REQUIRED)
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set(ProtoFiles
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${CMAKE_CURRENT_SOURCE_DIR}/src/ecal/core/pb/ecal.proto
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${CMAKE_CURRENT_SOURCE_DIR}/src/ecal/core/pb/host.proto
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${CMAKE_CURRENT_SOURCE_DIR}/src/ecal/core/pb/layer.proto
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${CMAKE_CURRENT_SOURCE_DIR}/src/ecal/core/pb/monitoring.proto
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${CMAKE_CURRENT_SOURCE_DIR}/src/ecal/core/pb/process.proto
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${CMAKE_CURRENT_SOURCE_DIR}/src/ecal/core/pb/service.proto
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${CMAKE_CURRENT_SOURCE_DIR}/src/ecal/core/pb/topic.proto
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)
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# Compile statically on Windows and shared for all other systems.
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#
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# We compile shared on Linux etc., as we must only load the proto descriptors
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# once; otherwise, protobuf would throw an exception on runtime. A shared object
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# achieves that, as it is only loaded into memory once, even when being linked
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# against from different libraries.
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# We don't have to do that on Windows, as we compile against protobuf statically
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# and therefore each .dll has it's own descriptor pool. Having a static lib here
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# also has the advantage that we need to export the symbols, which is default
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# disabled on Windows.
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#
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# TODO: Having code like that probably isn't the best solution ever. We should
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# maybe always link against protobuf statically. Currently the reason why we
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# don't do that is, that the default Ubuntu libprotobuf.a doesn't contain
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# position independent code and can therefore not be statically compiled into a
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# shared object library.
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if (WIN32)
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ecal_add_static_library(${PROJECT_NAME} src/core_pb.cpp)
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else()
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ecal_add_shared_library(${PROJECT_NAME} src/core_pb.cpp)
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endif()
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add_library(eCAL::${PROJECT_NAME} ALIAS ${PROJECT_NAME})
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protobuf_target_cpp(${PROJECT_NAME} ${CMAKE_CURRENT_SOURCE_DIR}/src INSTALL_FOLDER include ${ProtoFiles})
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target_compile_options(${PROJECT_NAME}
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PRIVATE
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$<$<CXX_COMPILER_ID:MSVC>:/wd4505 /wd4592 /wd4189>
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$<$<CXX_COMPILER_ID:GNU>:-Wno-unused-parameter>)
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set_property(TARGET ${PROJECT_NAME} PROPERTY POSITION_INDEPENDENT_CODE ON)
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target_link_libraries(${PROJECT_NAME} protobuf::libprotobuf)
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target_compile_features(${PROJECT_NAME} PUBLIC cxx_std_14)
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ecal_install_library(${PROJECT_NAME})
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if(BUILD_PY_BINDING)
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protobuf_generate_python_ext(python_sources ${PYTHON_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/src ${ProtoFiles})
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target_sources(${PROJECT_NAME} PRIVATE ${python_sources})
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set_source_files_properties(${python_sources} PROPERTIES HEADER_FILE_ONLY TRUE)
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endif()
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set_property(TARGET ${PROJECT_NAME} PROPERTY FOLDER ecal/core_pb)
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