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This feature was originally added by commit v3.9.0-rc1~71^2~2 (find_*: Add a new PackageRoot search path group, 2017-05-03) and documented by commit v3.9.0-rc1~71^2 (find_*: Add docs for PackageRoot search path group, 2017-05-03). However, we had to disable the feature and remove the documentation in commit v3.9.1~2^2 (find_*: Disable the PACKAGE_ROOT search path group for CMake 3.9, 2017-08-08) due to breaking projects that used `PackageName_ROOT` variables themselves. Add policy `CMP0074` to restore the `PackageName_ROOT` variable behavior in a compatible way. Also revise the stack of root paths to store the paths themselves rather than the package names. This way the policy can be considered at the `find_package` call site instead of individual `find_` calls inside a find module. Co-Author: Chuck Atkins <chuck.atkins@kitware.com> Issue: #17144
38 lines
1.5 KiB
ReStructuredText
38 lines
1.5 KiB
ReStructuredText
find_file
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---------
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.. |FIND_XXX| replace:: find_file
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.. |NAMES| replace:: NAMES name1 [name2 ...]
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.. |SEARCH_XXX| replace:: full path to a file
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.. |SEARCH_XXX_DESC| replace:: full path to named file
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.. |prefix_XXX_SUBDIR| replace:: ``<prefix>/include``
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.. |entry_XXX_SUBDIR| replace:: ``<entry>/include``
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.. |FIND_PACKAGE_ROOT_PREFIX_PATH_XXX| replace::
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``<prefix>/include/<arch>`` if :variable:`CMAKE_LIBRARY_ARCHITECTURE`
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is set, and |FIND_PACKAGE_ROOT_PREFIX_PATH_XXX_SUBDIR|
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.. |CMAKE_PREFIX_PATH_XXX| replace::
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``<prefix>/include/<arch>`` if :variable:`CMAKE_LIBRARY_ARCHITECTURE`
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is set, and |CMAKE_PREFIX_PATH_XXX_SUBDIR|
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.. |CMAKE_XXX_PATH| replace:: :variable:`CMAKE_INCLUDE_PATH`
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.. |CMAKE_XXX_MAC_PATH| replace:: :variable:`CMAKE_FRAMEWORK_PATH`
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.. |SYSTEM_ENVIRONMENT_PATH_XXX| replace:: Directories in ``INCLUDE``.
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On Windows hosts:
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``<prefix>/include/<arch>`` if :variable:`CMAKE_LIBRARY_ARCHITECTURE`
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is set, and |SYSTEM_ENVIRONMENT_PREFIX_PATH_XXX_SUBDIR|, and the
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directories in ``PATH`` itself.
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.. |CMAKE_SYSTEM_PREFIX_PATH_XXX| replace::
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``<prefix>/include/<arch>`` if :variable:`CMAKE_LIBRARY_ARCHITECTURE`
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is set, and |CMAKE_SYSTEM_PREFIX_PATH_XXX_SUBDIR|
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.. |CMAKE_SYSTEM_XXX_PATH| replace::
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:variable:`CMAKE_SYSTEM_INCLUDE_PATH`
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.. |CMAKE_SYSTEM_XXX_MAC_PATH| replace::
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:variable:`CMAKE_SYSTEM_FRAMEWORK_PATH`
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.. |CMAKE_FIND_ROOT_PATH_MODE_XXX| replace::
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:variable:`CMAKE_FIND_ROOT_PATH_MODE_INCLUDE`
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.. include:: FIND_XXX.txt
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