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33 lines
1.5 KiB
33 lines
1.5 KiB
CMP0095
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-------
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.. versionadded:: 3.16
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``RPATH`` entries are properly escaped in the intermediary CMake install script.
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In CMake 3.15 and earlier, ``RPATH`` entries set via
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:variable:`CMAKE_INSTALL_RPATH` or via :prop_tgt:`INSTALL_RPATH` have not been
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escaped before being inserted into the ``cmake_install.cmake`` script. Dynamic
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linkers on ELF-based systems (e.g. Linux and FreeBSD) allow certain keywords in
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``RPATH`` entries, such as ``${ORIGIN}`` (More details are available in the
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``ld.so`` man pages on those systems). The syntax of these keywords can match
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CMake's variable syntax. In order to not be substituted (usually to an empty
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string) already by the intermediary ``cmake_install.cmake`` script, the user had
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to double-escape such ``RPATH`` keywords, e.g.
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``set(CMAKE_INSTALL_RPATH "\\\${ORIGIN}/../lib")``. Since the intermediary
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``cmake_install.cmake`` script is an implementation detail of CMake, CMake 3.16
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and later will make sure ``RPATH`` entries are inserted literally by escaping
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any coincidental CMake syntax.
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The ``OLD`` behavior of this policy is to not escape ``RPATH`` entries in the
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intermediary ``cmake_install.cmake`` script. The ``NEW`` behavior is to properly
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escape coincidental CMake syntax in ``RPATH`` entries when generating the
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intermediary ``cmake_install.cmake`` script.
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.. |INTRODUCED_IN_CMAKE_VERSION| replace:: 3.16
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.. |WARNS_OR_DOES_NOT_WARN| replace::
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warns when it detects use of CMake-like syntax
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.. include:: STANDARD_ADVICE.txt
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.. include:: DEPRECATED.txt
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