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5c602c46b1
The change to potentially use symlinks on Windows was added in https://reviews.llvm.org/D99170. LLVM_USE_SYMLINKS was added more recently in https://reviews.llvm.org/D135578 and allows specifying at configure time whether or not symlinks should be created. The benefit of using this option is it allows building the package on a symlink-capable Windows machine with symlinks disabled so that the resulting package can be used on a Windows machine that doesn't support symlinks. Differential Revision: https://reviews.llvm.org/D145443
27 lines
825 B
CMake
27 lines
825 B
CMake
# We need to execute this script at installation time because the
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# DESTDIR environment variable may be unset at configuration time.
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# See PR8397.
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# Set to an arbitrary directory to silence GNUInstallDirs warnings
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# regarding being unable to determine libdir.
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set(CMAKE_INSTALL_LIBDIR "lib")
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include(GNUInstallDirs)
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function(install_symlink name target outdir link_or_copy)
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# link_or_copy is the "command" to pass to cmake -E.
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# It should be either "create_symlink" or "copy".
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set(DESTDIR $ENV{DESTDIR})
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if(NOT IS_ABSOLUTE "${outdir}")
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set(outdir "${CMAKE_INSTALL_PREFIX}/${outdir}")
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endif()
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set(outdir "${DESTDIR}${outdir}")
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message(STATUS "Creating ${name}")
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execute_process(
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COMMAND "${CMAKE_COMMAND}" -E ${link_or_copy} "${target}" "${name}"
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WORKING_DIRECTORY "${outdir}")
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endfunction()
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