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f44cca6c98
When embedding SAPI in an external CMake project, the version of `protobuf_generate_cpp` that we lifted from upstream protobuf produces the wrong generated file paths. For example, given this project structure: ``` /parent/ +-- myproject/ +-- myproject_build/ <- CMake build directory +-- sandboxed-api/ <- Checkout from GitHub ``` And a CMake file in `myproject/CMakeLists.txt` that embeds SAPI like this: ``` cmake_minimum_required(VERSION 3.12) project(SandboxedTest LANGUAGES CXX) set(CMAKE_CXX_STANDARD 17) set(CMAKE_CXX_STANDARD_REQUIRED ON) add_subdirectory( ${PROJECT_SOURCE_DIR}/../sandboxed-api ${PROJECT_BINARY_DIR}/sandboxed-api ) ``` Then `protobuf_generate_cpp` correctly invokes the protoc compiler to generate `/parent/myproject_build/sandboxed-api/sandboxed_api/proto_arg.proto.pb.cc'. However, the path of the generated source file that is passed to the C++ compiler will be `/parent/myproject_build/sandboxed-api/sandboxed_api/../../myproject_build/sandboxed-api/sandboxed_api/proto_arg.pb.cc`. Note the duplicated project build directory component in the canonicalized version: `/parent/myproject_build/myproject_build/sandboxed-api/sandboxed_api/proto_arg.pb.cc`. This change simple omits the computation of any relative file paths and simply uses `_pb_PROTOC_OUT_DIR` which defauls to `CMAKE_CURRENT_BINARY_DIR`, which should always contain the correct path. Signed-off-by: Christian Blichmann <mail@blichmann.eu>
188 lines
3.9 KiB
CMake
188 lines
3.9 KiB
CMake
# Copyright 2019 Google LLC
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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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add_subdirectory(bazel) # For filewrapper
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add_subdirectory(examples)
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add_subdirectory(sandbox2)
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add_subdirectory(util)
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# sandboxed_api:proto_arg
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sapi_protobuf_generate_cpp(_sapi_proto_arg_pb_cc _sapi_proto_arg_pb_h
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proto_arg.proto
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)
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add_library(sapi_proto_arg_proto STATIC
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${_sapi_proto_arg_pb_cc}
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${_sapi_proto_arg_pb_h}
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)
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add_library(sapi::proto_arg_proto ALIAS sapi_proto_arg_proto)
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target_link_libraries(sapi_proto_arg_proto PRIVATE
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protobuf::libprotobuf
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sapi::base
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)
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# sandboxed_api:embed_file
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add_library(sapi_embed_file STATIC
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embed_file.cc
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embed_file.h
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file_toc.h
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)
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add_library(sapi::embed_file ALIAS sapi_embed_file)
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target_link_libraries(sapi_embed_file PRIVATE
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absl::flat_hash_map
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absl::strings
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absl::synchronization
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glog::glog
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sandbox2::fileops
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sandbox2::strerror
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sandbox2::util
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sapi::base
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sapi::raw_logging
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sapi::status
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)
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# sandboxed_api:sapi
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add_library(sapi_sapi STATIC
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sandbox.cc
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sandbox.h
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transaction.cc
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transaction.h
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)
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add_library(sapi::sapi ALIAS sapi_sapi)
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target_link_libraries(sapi_sapi
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PRIVATE absl::flat_hash_map
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absl::memory
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absl::str_format
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absl::strings
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absl::synchronization
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sandbox2::bpf_helper
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sandbox2::file_base
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sandbox2::fileops
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sandbox2::runfiles
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sandbox2::sandbox2
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sandbox2::strerror
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sandbox2::util
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sapi::embed_file
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sapi::status
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sapi::vars
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PUBLIC absl::core_headers
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sandbox2::client
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sapi::base
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sapi::status
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)
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# sandboxed_api:call
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add_library(sapi_call STATIC
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call.h
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)
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add_library(sapi::call ALIAS sapi_call)
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target_link_libraries(sapi_call PRIVATE
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absl::core_headers
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sapi::var_type
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sapi::base
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)
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# sandboxed_api:lenval_core
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add_library(sapi_lenval_core STATIC
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lenval_core.h
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)
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add_library(sapi::lenval_core ALIAS sapi_lenval_core)
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target_link_libraries(sapi_lenval_core PRIVATE
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sapi::base
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)
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# sandboxed_api:var_type
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add_library(sapi_var_type STATIC
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var_type.h
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)
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add_library(sapi::var_type ALIAS sapi_var_type)
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target_link_libraries(sapi_var_type PRIVATE
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sapi::base
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)
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# sandboxed_api:vars
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add_library(sapi_vars STATIC
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proto_helper.h
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rpcchannel.cc
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rpcchannel.h
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var_abstract.cc
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var_abstract.h
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var_array.h
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var_int.cc
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var_int.h
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var_lenval.cc
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var_lenval.h
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var_pointable.cc
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var_pointable.h
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var_proto.h
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var_ptr.h
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var_reg.h
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var_struct.h
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var_void.h
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vars.h
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)
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add_library(sapi::vars ALIAS sapi_vars)
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target_link_libraries(sapi_vars PRIVATE
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absl::core_headers
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absl::str_format
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absl::strings
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absl::synchronization
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glog::glog
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sandbox2::comms
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sapi::base
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sapi::call
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sapi::lenval_core
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sapi::proto_arg_proto
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sapi::status
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sapi::statusor
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sapi::var_type
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)
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# sandboxed_api:client
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add_library(sapi_client STATIC
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client.cc
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)
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add_library(sapi::client ALIAS sapi_client)
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target_link_libraries(sapi_client PRIVATE
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absl::core_headers
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absl::strings
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glog::glog
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libffi::libffi
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sandbox2::client
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sandbox2::comms
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sandbox2::forkingclient
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sapi::base
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sapi::call
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sapi::flags
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sapi::lenval_core
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sapi::vars
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)
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if(SAPI_ENABLE_TESTS)
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# sandboxed_api:sapi_test
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add_executable(sapi_test
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sapi_test.cc
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)
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target_link_libraries(sapi_test PRIVATE
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absl::memory
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benchmark
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sapi::sapi
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sapi::status
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sapi::status_matchers
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sapi::stringop_sapi
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sapi::sum_sapi
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sapi::test_main
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)
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gtest_discover_tests(sapi_test)
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endif()
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