8b14bb69be
* CMake build infrastructure The squashed commit that builds and packages releases for the SIMH simulator suite with CMake, version 3.14 or newer. See README-CMake.md for documentation.
50 lines
1.3 KiB
CMake
50 lines
1.3 KiB
CMake
## File link or copy
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##
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## Written initially for the VAX to link vax to microvax3900, this
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## evolved into a more general-purpose utility.
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if (NOT SRCFILE)
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message(FATAL_ERROR "SRCFILE not defined")
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endif ()
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if (NOT DSTFILE)
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mesasge(FATAL_ERROR "DSTFILE not defined")
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endif ()
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if (NOT WORKING_DIR)
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message(FATAL_ERROR "WORKING_DIR not defined")
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endif ()
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if (NOT EXISTS ${WORKING_DIR})
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message(FATAL_ERROR "Working directory does not exist: ${WORKING_DIR}")
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endif ()
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file(TO_NATIVE_PATH "${WORKING_DIR}/${SRCFILE}" _source)
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file(TO_NATIVE_PATH "${WORKING_DIR}/${DSTFILE}" _dest)
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if (EXISTS ${_dest})
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message("Removing destination ${_dest}")
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file(REMOVE ${_dest})
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if (EXISTS ${_dest})
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message(FATAL_ERROR "Could not remove ${_dest}")
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endif ()
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endif ()
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execute_process(
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COMMAND
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${CMAKE_COMMAND} -E create_symlink ${SRCFILE} ${DSTFILE}
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WORKING_DIRECTORY
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${WORKING_DIR}
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RESULT_VARIABLE
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_file_symlink
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ERROR_QUIET
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)
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if (NOT _file_symlink EQUAL 0)
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file(CREATE_LINK ${_source} ${_dest} COPY_ON_ERROR RESULT _result)
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if (NOT _result EQUAL 0)
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message(FATAL_ERROR "Could not link or copy ${_source} to ${_dest}")
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else ()
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message(":::: Hard link/copy ${_source} -> ${_dest}")
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endif ()
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else ()
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message(":::: Symlink ${SRCFILE} -> ${DSTFILE} in ${WORKING_DIR}")
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endif()
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