mirror of
https://github.com/ClickHouse/ClickHouse.git
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58 lines
2.7 KiB
CMake
58 lines
2.7 KiB
CMake
# Embed a set of resource files into a resulting object file.
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#
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# Signature: `clickhouse_embed_binaries(TARGET <target> RESOURCE_DIR <dir> RESOURCES <resource> ...)
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#
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# This will generate a static library target named `<target>`, which contains the contents of
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# each `<resource>` file. The files should be located in `<dir>`. <dir> defaults to
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# ${CMAKE_CURRENT_SOURCE_DIR}, and the resources may not be empty.
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#
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# Each resource will result in three symbols in the final archive, based on the name `<resource>`.
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# These are:
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# 1. `_binary_<name>_start`: Points to the start of the binary data from `<resource>`.
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# 2. `_binary_<name>_end`: Points to the end of the binary data from `<resource>`.
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# 2. `_binary_<name>_size`: Points to the size of the binary data from `<resource>`.
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#
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# `<name>` is a normalized name derived from `<resource>`, by replacing the characters "./-" with
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# the character "_", and the character "+" with "_PLUS_". This scheme is similar to those generated
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# by `ld -r -b binary`, and matches the expectations in `./base/common/getResource.cpp`.
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macro(clickhouse_embed_binaries)
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set(one_value_args TARGET RESOURCE_DIR)
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set(resources RESOURCES)
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cmake_parse_arguments(EMBED "" "${one_value_args}" ${resources} ${ARGN})
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if (NOT DEFINED EMBED_TARGET)
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message(FATAL_ERROR "A target name must be provided for embedding binary resources into")
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endif()
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if (NOT DEFINED EMBED_RESOURCE_DIR)
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set(EMBED_RESOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}")
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endif()
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list(LENGTH EMBED_RESOURCES N_RESOURCES)
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if (N_RESOURCES LESS 1)
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message(FATAL_ERROR "The list of binary resources to embed may not be empty")
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endif()
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add_library("${EMBED_TARGET}" STATIC)
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set_target_properties("${EMBED_TARGET}" PROPERTIES LINKER_LANGUAGE C)
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set(EMBED_TEMPLATE_FILE "${PROJECT_SOURCE_DIR}/programs/embed_binary.S.in")
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foreach(RESOURCE_FILE ${EMBED_RESOURCES})
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set(ASSEMBLY_FILE_NAME "${RESOURCE_FILE}.S")
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set(BINARY_FILE_NAME "${RESOURCE_FILE}")
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# Normalize the name of the resource.
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string(REGEX REPLACE "[\./-]" "_" SYMBOL_NAME "${RESOURCE_FILE}") # - must be last in regex
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string(REPLACE "+" "_PLUS_" SYMBOL_NAME "${SYMBOL_NAME}")
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# Generate the configured assembly file in the output directory.
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configure_file("${EMBED_TEMPLATE_FILE}" "${CMAKE_CURRENT_BINARY_DIR}/${ASSEMBLY_FILE_NAME}" @ONLY)
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# Set the include directory for relative paths specified for `.incbin` directive.
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set_property(SOURCE "${CMAKE_CURRENT_BINARY_DIR}/${ASSEMBLY_FILE_NAME}" APPEND PROPERTY INCLUDE_DIRECTORIES "${EMBED_RESOURCE_DIR}")
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target_sources("${EMBED_TARGET}" PRIVATE "${CMAKE_CURRENT_BINARY_DIR}/${ASSEMBLY_FILE_NAME}")
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endforeach()
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endmacro()
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