mirror of
https://github.com/google/sandboxed-api.git
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90 lines
3.5 KiB
CMake
90 lines
3.5 KiB
CMake
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# Copyright 2019 Google LLC. All Rights Reserved.
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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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# Creates an alias for SOURCE, called DESTINATION.
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#
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# On platforms that support them, this rule will effectively create a symlink.
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#
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# SOURCE may be relative to CMAKE_CURRENT_SOURCE_DIR, or absolute.
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# DESTINATION may relative to CMAKE_CURRENT_BINARY_DIR, or absolute.
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#
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# Adapted from https://github.com/google/binexport/blob/master/util.cmake
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function(create_directory_symlink SOURCE DESTINATION)
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get_filename_component(_destination_parent "${DESTINATION}" DIRECTORY)
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file(MAKE_DIRECTORY "${_destination_parent}")
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if (WIN32)
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file(TO_NATIVE_PATH "${SOURCE}" _native_source)
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file(TO_NATIVE_PATH "${DESTINATION}" _native_destination)
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execute_process(COMMAND $ENV{ComSpec} /c
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mklink /J "${_native_destination}" "${_native_source}" ERROR_QUIET)
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else()
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execute_process(COMMAND ${CMAKE_COMMAND} -E
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create_symlink "${SOURCE}" "${DESTINATION}")
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endif()
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endfunction()
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# Helper function that behaves just like protobuf_generate_cpp(), except that
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# it strips import paths. This is necessary, because CMake's protobuf rules
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# don't work well with imports across different directories.
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function(sapi_protobuf_generate_cpp SRCS HDRS PROTO)
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file(READ ${PROTO} _pb_orig)
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string(REGEX REPLACE "import \".*/([^/]+\\.proto)\""
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"import \"\\1\"" _pb_repl "${_pb_orig}")
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file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/${PROTO} "${_pb_repl}")
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protobuf_generate_cpp(_srcs _hdrs ${CMAKE_CURRENT_BINARY_DIR}/${PROTO})
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set(${SRCS} ${_srcs} PARENT_SCOPE)
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set(${HDRS} ${_hdrs} PARENT_SCOPE)
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endfunction()
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# Embeds arbitrary binary data into a static library.
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#
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# NAME specifies the name for this target.
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# NAMESPACE is the C++ namespace the generated code is placed in. Can be empty.
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# SOURCES is a list of files that should be embedded. If a source names a
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# target the target binary is embedded instead.
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macro(sapi_cc_embed_data)
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cmake_parse_arguments(_sapi_embed "" "NAME;NAMESPACE" "SOURCES" ${ARGN})
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foreach(src ${_sapi_embed_SOURCES})
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if(TARGET ${src})
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list(APPEND _sapi_embed_in ${CMAKE_CURRENT_BINARY_DIR}/${src})
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else()
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list(APPEND _sapi_embed_in ${src})
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endif()
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endforeach()
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file(RELATIVE_PATH _sapi_embed_pkg
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${PROJECT_BINARY_DIR}
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${CMAKE_CURRENT_BINARY_DIR})
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add_custom_command(
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OUTPUT ${_sapi_embed_NAME}.h ${_sapi_embed_NAME}.cc
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WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
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COMMAND filewrapper ${_sapi_embed_pkg}
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${_sapi_embed_NAME}
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"${_sapi_embed_NAMESPACE}"
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${CMAKE_CURRENT_BINARY_DIR}/${_sapi_embed_NAME}.h
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${CMAKE_CURRENT_BINARY_DIR}/${_sapi_embed_NAME}.cc
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${_sapi_embed_in}
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DEPENDS ${_sapi_embed_SOURCES}
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VERBATIM
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)
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add_library(${_sapi_embed_NAME} STATIC
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${_sapi_embed_NAME}.h
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${_sapi_embed_NAME}.cc
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)
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target_link_libraries(${_sapi_embed_NAME} PRIVATE
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sapi::base
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absl::core_headers
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)
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endmacro()
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