2015-12-21 16:12:29 +00:00
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# This macro can be used to install symlinks, which turns out to be
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# non-trivial due to CMake version differences and limitations on how
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# files can be installed when building binary packages.
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#
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# The rule for binary packaging is that files (including symlinks) must
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# be installed with the standard CMake install() macro.
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#
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# The rule for non-binary packaging is that CMake 2.6 cannot install()
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# symlinks, but can create the symlink at install-time via scripting.
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# Though, we assume that CMake 2.6 isn't going to be used to generate
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# packages because versions later than 2.8.3 are superior for that purpose.
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#
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# _filepath: the absolute path to the file to symlink
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# _sympath: absolute path of the installed symlink
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macro(InstallSymlink _filepath _sympath)
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get_filename_component(_symname ${_sympath} NAME)
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get_filename_component(_installdir ${_sympath} PATH)
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if (BINARY_PACKAGING_MODE)
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execute_process(COMMAND "${CMAKE_COMMAND}" -E create_symlink
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${_filepath}
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2016-02-19 23:46:18 +00:00
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${CMAKE_CURRENT_BINARY_DIR}/symlinks/${_symname})
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file(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/symlinks)
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install(FILES ${CMAKE_CURRENT_BINARY_DIR}/symlinks/${_symname}
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2015-12-21 16:12:29 +00:00
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DESTINATION ${_installdir})
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else ()
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# scripting the symlink installation at install time should work
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# for CMake 2.6.x and 2.8.x
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install(CODE "
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if (\"\$ENV{DESTDIR}\" STREQUAL \"\")
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execute_process(COMMAND \"${CMAKE_COMMAND}\" -E create_symlink
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${_filepath}
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${_installdir}/${_symname})
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else ()
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execute_process(COMMAND \"${CMAKE_COMMAND}\" -E create_symlink
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${_filepath}
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\$ENV{DESTDIR}/${_installdir}/${_symname})
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endif ()
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")
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endif ()
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endmacro(InstallSymlink)
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