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61fd8ea520
This allows the logic to work with Git, and also uses the variable names to match what Clang is actually looking for. This is a re-application of r190556 and r190808. This changes the interface of GetSVN.cmake. Clang change to follow. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@222391 91177308-0d34-0410-b5e6-96231b3b80d8
46 lines
1.7 KiB
CMake
46 lines
1.7 KiB
CMake
# CMake project that writes Subversion revision information to a header.
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#
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# Input variables:
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# FIRST_SOURCE_DIR - First source directory
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# FIRST_NAME - The macro prefix for the first repository's info
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# SECOND_SOURCE_DIR - Second source directory (opt)
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# SECOND_NAME - The macro prefix for the second repository's info (opt)
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# HEADER_FILE - The header file to write
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#
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# The output header will contain macros FIRST_REPOSITORY and FIRST_REVISION,
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# and SECOND_REPOSITORY and SECOND_REVISION if requested, where "FIRST" and
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# "SECOND" are substituted with the names specified in the input variables.
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# Chop off cmake/modules/GetSVN.cmake
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get_filename_component(LLVM_DIR "${CMAKE_SCRIPT_MODE_FILE}" PATH)
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get_filename_component(LLVM_DIR "${LLVM_DIR}" PATH)
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get_filename_component(LLVM_DIR "${LLVM_DIR}" PATH)
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# Handle strange terminals
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set(ENV{TERM} "dumb")
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function(append_info name path)
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execute_process(COMMAND "${LLVM_DIR}/utils/GetSourceVersion" "${path}"
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OUTPUT_VARIABLE revision)
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string(STRIP "${revision}" revision)
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execute_process(COMMAND "${LLVM_DIR}/utils/GetRepositoryPath" "${path}"
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OUTPUT_VARIABLE repository
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OUTPUT_STRIP_TRAILING_WHITESPACE)
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string(STRIP "${repository}" repository)
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file(APPEND "${HEADER_FILE}.txt"
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"#define ${name}_REVISION \"${revision}\"\n")
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file(APPEND "${HEADER_FILE}.txt"
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"#define ${name}_REPOSITORY \"${repository}\"\n")
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endfunction()
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append_info(${FIRST_NAME} "${FIRST_SOURCE_DIR}")
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if(DEFINED SECOND_SOURCE_DIR)
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append_info(${SECOND_NAME} "${SECOND_SOURCE_DIR}")
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endif()
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# Copy the file only if it has changed.
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execute_process(COMMAND ${CMAKE_COMMAND} -E copy_if_different
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"${HEADER_FILE}.txt" "${HEADER_FILE}")
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file(REMOVE "${HEADER_FILE}.txt")
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