mirror of
https://github.com/reactos/CMake.git
synced 2024-12-05 10:16:50 +00:00
f835f189ae
FreeBSD ports commit r484628 (Install texinfo files (GNU info) into ${PREFIX}/share/info, 2018-11-10) changed the "info" destination from "info" to "share/info". The commit included a patch to their distribution of CMake to fix the `GNUInstallDirs` module too. Apply a similar logic change to our upstream version of the module. We already made a similar change for GNU/kFreeBSD in commit v3.13.0-rc2~8^2 (GNUInstallDirs: Don't use BSD info and man paths on GNU/kFreeBSD, 2018-10-21). Fixes: #18585
384 lines
14 KiB
CMake
384 lines
14 KiB
CMake
# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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# file Copyright.txt or https://cmake.org/licensing for details.
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#[=======================================================================[.rst:
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GNUInstallDirs
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--------------
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Define GNU standard installation directories
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Provides install directory variables as defined by the
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`GNU Coding Standards`_.
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.. _`GNU Coding Standards`: https://www.gnu.org/prep/standards/html_node/Directory-Variables.html
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Result Variables
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^^^^^^^^^^^^^^^^
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Inclusion of this module defines the following variables:
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``CMAKE_INSTALL_<dir>``
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Destination for files of a given type. This value may be passed to
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the ``DESTINATION`` options of :command:`install` commands for the
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corresponding file type.
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``CMAKE_INSTALL_FULL_<dir>``
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The absolute path generated from the corresponding ``CMAKE_INSTALL_<dir>``
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value. If the value is not already an absolute path, an absolute path
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is constructed typically by prepending the value of the
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:variable:`CMAKE_INSTALL_PREFIX` variable. However, there are some
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`special cases`_ as documented below.
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where ``<dir>`` is one of:
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``BINDIR``
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user executables (``bin``)
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``SBINDIR``
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system admin executables (``sbin``)
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``LIBEXECDIR``
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program executables (``libexec``)
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``SYSCONFDIR``
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read-only single-machine data (``etc``)
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``SHAREDSTATEDIR``
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modifiable architecture-independent data (``com``)
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``LOCALSTATEDIR``
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modifiable single-machine data (``var``)
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``RUNSTATEDIR``
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run-time variable data (``LOCALSTATEDIR/run``)
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``LIBDIR``
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object code libraries (``lib`` or ``lib64``
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or ``lib/<multiarch-tuple>`` on Debian)
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``INCLUDEDIR``
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C header files (``include``)
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``OLDINCLUDEDIR``
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C header files for non-gcc (``/usr/include``)
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``DATAROOTDIR``
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read-only architecture-independent data root (``share``)
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``DATADIR``
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read-only architecture-independent data (``DATAROOTDIR``)
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``INFODIR``
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info documentation (``DATAROOTDIR/info``)
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``LOCALEDIR``
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locale-dependent data (``DATAROOTDIR/locale``)
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``MANDIR``
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man documentation (``DATAROOTDIR/man``)
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``DOCDIR``
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documentation root (``DATAROOTDIR/doc/PROJECT_NAME``)
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If the includer does not define a value the above-shown default will be
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used and the value will appear in the cache for editing by the user.
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Special Cases
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^^^^^^^^^^^^^
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The following values of :variable:`CMAKE_INSTALL_PREFIX` are special:
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``/``
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For ``<dir>`` other than the ``SYSCONFDIR``, ``LOCALSTATEDIR`` and
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``RUNSTATEDIR``, the value of ``CMAKE_INSTALL_<dir>`` is prefixed
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with ``usr/`` if it is not user-specified as an absolute path.
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For example, the ``INCLUDEDIR`` value ``include`` becomes ``usr/include``.
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This is required by the `GNU Coding Standards`_, which state:
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When building the complete GNU system, the prefix will be empty
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and ``/usr`` will be a symbolic link to ``/``.
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``/usr``
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For ``<dir>`` equal to ``SYSCONFDIR``, ``LOCALSTATEDIR`` or
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``RUNSTATEDIR``, the ``CMAKE_INSTALL_FULL_<dir>`` is computed by
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prepending just ``/`` to the value of ``CMAKE_INSTALL_<dir>``
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if it is not user-specified as an absolute path.
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For example, the ``SYSCONFDIR`` value ``etc`` becomes ``/etc``.
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This is required by the `GNU Coding Standards`_.
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``/opt/...``
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For ``<dir>`` equal to ``SYSCONFDIR``, ``LOCALSTATEDIR`` or
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``RUNSTATEDIR``, the ``CMAKE_INSTALL_FULL_<dir>`` is computed by
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*appending* the prefix to the value of ``CMAKE_INSTALL_<dir>``
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if it is not user-specified as an absolute path.
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For example, the ``SYSCONFDIR`` value ``etc`` becomes ``/etc/opt/...``.
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This is defined by the `Filesystem Hierarchy Standard`_.
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.. _`Filesystem Hierarchy Standard`: https://refspecs.linuxfoundation.org/FHS_3.0/fhs/index.html
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Macros
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^^^^^^
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.. command:: GNUInstallDirs_get_absolute_install_dir
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::
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GNUInstallDirs_get_absolute_install_dir(absvar var)
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Set the given variable ``absvar`` to the absolute path contained
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within the variable ``var``. This is to allow the computation of an
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absolute path, accounting for all the special cases documented
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above. While this macro is used to compute the various
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``CMAKE_INSTALL_FULL_<dir>`` variables, it is exposed publicly to
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allow users who create additional path variables to also compute
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absolute paths where necessary, using the same logic.
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#]=======================================================================]
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cmake_policy(PUSH)
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cmake_policy(SET CMP0054 NEW) # if() quoted variables not dereferenced
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# Convert a cache variable to PATH type
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macro(_GNUInstallDirs_cache_convert_to_path var description)
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get_property(_GNUInstallDirs_cache_type CACHE ${var} PROPERTY TYPE)
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if(_GNUInstallDirs_cache_type STREQUAL "UNINITIALIZED")
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file(TO_CMAKE_PATH "${${var}}" _GNUInstallDirs_cmakepath)
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set_property(CACHE ${var} PROPERTY TYPE PATH)
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set_property(CACHE ${var} PROPERTY VALUE "${_GNUInstallDirs_cmakepath}")
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set_property(CACHE ${var} PROPERTY HELPSTRING "${description}")
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unset(_GNUInstallDirs_cmakepath)
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endif()
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unset(_GNUInstallDirs_cache_type)
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endmacro()
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# Create a cache variable with default for a path.
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macro(_GNUInstallDirs_cache_path var default description)
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if(NOT DEFINED ${var})
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set(${var} "${default}" CACHE PATH "${description}")
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endif()
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_GNUInstallDirs_cache_convert_to_path("${var}" "${description}")
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endmacro()
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# Create a cache variable with not default for a path, with a fallback
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# when unset; used for entries slaved to other entries such as
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# DATAROOTDIR.
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macro(_GNUInstallDirs_cache_path_fallback var default description)
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if(NOT ${var})
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set(${var} "" CACHE PATH "${description}")
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set(${var} "${default}")
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endif()
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_GNUInstallDirs_cache_convert_to_path("${var}" "${description}")
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endmacro()
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# Installation directories
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#
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_GNUInstallDirs_cache_path(CMAKE_INSTALL_BINDIR "bin"
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"User executables (bin)")
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_GNUInstallDirs_cache_path(CMAKE_INSTALL_SBINDIR "sbin"
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"System admin executables (sbin)")
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_GNUInstallDirs_cache_path(CMAKE_INSTALL_LIBEXECDIR "libexec"
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"Program executables (libexec)")
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_GNUInstallDirs_cache_path(CMAKE_INSTALL_SYSCONFDIR "etc"
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"Read-only single-machine data (etc)")
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_GNUInstallDirs_cache_path(CMAKE_INSTALL_SHAREDSTATEDIR "com"
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"Modifiable architecture-independent data (com)")
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_GNUInstallDirs_cache_path(CMAKE_INSTALL_LOCALSTATEDIR "var"
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"Modifiable single-machine data (var)")
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# We check if the variable was manually set and not cached, in order to
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# allow projects to set the values as normal variables before including
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# GNUInstallDirs to avoid having the entries cached or user-editable. It
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# replaces the "if(NOT DEFINED CMAKE_INSTALL_XXX)" checks in all the
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# other cases.
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# If CMAKE_INSTALL_LIBDIR is defined, if _libdir_set is false, then the
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# variable is a normal one, otherwise it is a cache one.
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get_property(_libdir_set CACHE CMAKE_INSTALL_LIBDIR PROPERTY TYPE SET)
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if(NOT DEFINED CMAKE_INSTALL_LIBDIR OR (_libdir_set
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AND DEFINED _GNUInstallDirs_LAST_CMAKE_INSTALL_PREFIX
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AND NOT "${_GNUInstallDirs_LAST_CMAKE_INSTALL_PREFIX}" STREQUAL "${CMAKE_INSTALL_PREFIX}"))
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# If CMAKE_INSTALL_LIBDIR is not defined, it is always executed.
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# Otherwise:
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# * if _libdir_set is false it is not executed (meaning that it is
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# not a cache variable)
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# * if _GNUInstallDirs_LAST_CMAKE_INSTALL_PREFIX is not defined it is
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# not executed
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# * if _GNUInstallDirs_LAST_CMAKE_INSTALL_PREFIX and
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# CMAKE_INSTALL_PREFIX are the same string it is not executed.
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# _GNUInstallDirs_LAST_CMAKE_INSTALL_PREFIX is updated after the
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# execution, of this part of code, therefore at the next inclusion
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# of the file, CMAKE_INSTALL_LIBDIR is defined, and the 2 strings
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# are equal, meaning that the if is not executed the code the
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# second time.
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set(_LIBDIR_DEFAULT "lib")
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# Override this default 'lib' with 'lib64' iff:
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# - we are on Linux system but NOT cross-compiling
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# - we are NOT on debian
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# - we are on a 64 bits system
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# reason is: amd64 ABI: https://github.com/hjl-tools/x86-psABI/wiki/X86-psABI
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# For Debian with multiarch, use 'lib/${CMAKE_LIBRARY_ARCHITECTURE}' if
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# CMAKE_LIBRARY_ARCHITECTURE is set (which contains e.g. "i386-linux-gnu"
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# and CMAKE_INSTALL_PREFIX is "/usr"
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# See http://wiki.debian.org/Multiarch
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if(DEFINED _GNUInstallDirs_LAST_CMAKE_INSTALL_PREFIX)
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set(__LAST_LIBDIR_DEFAULT "lib")
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# __LAST_LIBDIR_DEFAULT is the default value that we compute from
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# _GNUInstallDirs_LAST_CMAKE_INSTALL_PREFIX, not a cache entry for
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# the value that was last used as the default.
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# This value is used to figure out whether the user changed the
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# CMAKE_INSTALL_LIBDIR value manually, or if the value was the
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# default one. When CMAKE_INSTALL_PREFIX changes, the value is
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# updated to the new default, unless the user explicitly changed it.
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endif()
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if(CMAKE_SYSTEM_NAME MATCHES "^(Linux|kFreeBSD|GNU)$"
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AND NOT CMAKE_CROSSCOMPILING)
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if (EXISTS "/etc/debian_version") # is this a debian system ?
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if(CMAKE_LIBRARY_ARCHITECTURE)
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if("${CMAKE_INSTALL_PREFIX}" MATCHES "^/usr/?$")
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set(_LIBDIR_DEFAULT "lib/${CMAKE_LIBRARY_ARCHITECTURE}")
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endif()
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if(DEFINED _GNUInstallDirs_LAST_CMAKE_INSTALL_PREFIX
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AND "${_GNUInstallDirs_LAST_CMAKE_INSTALL_PREFIX}" MATCHES "^/usr/?$")
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set(__LAST_LIBDIR_DEFAULT "lib/${CMAKE_LIBRARY_ARCHITECTURE}")
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endif()
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endif()
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else() # not debian, rely on CMAKE_SIZEOF_VOID_P:
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if(NOT DEFINED CMAKE_SIZEOF_VOID_P)
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message(AUTHOR_WARNING
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"Unable to determine default CMAKE_INSTALL_LIBDIR directory because no target architecture is known. "
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"Please enable at least one language before including GNUInstallDirs.")
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else()
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if("${CMAKE_SIZEOF_VOID_P}" EQUAL "8")
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set(_LIBDIR_DEFAULT "lib64")
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if(DEFINED _GNUInstallDirs_LAST_CMAKE_INSTALL_PREFIX)
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set(__LAST_LIBDIR_DEFAULT "lib64")
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endif()
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endif()
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endif()
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endif()
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endif()
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if(NOT DEFINED CMAKE_INSTALL_LIBDIR)
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set(CMAKE_INSTALL_LIBDIR "${_LIBDIR_DEFAULT}" CACHE PATH "Object code libraries (${_LIBDIR_DEFAULT})")
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elseif(DEFINED __LAST_LIBDIR_DEFAULT
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AND "${__LAST_LIBDIR_DEFAULT}" STREQUAL "${CMAKE_INSTALL_LIBDIR}")
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set_property(CACHE CMAKE_INSTALL_LIBDIR PROPERTY VALUE "${_LIBDIR_DEFAULT}")
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endif()
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endif()
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_GNUInstallDirs_cache_convert_to_path(CMAKE_INSTALL_LIBDIR "Object code libraries (lib)")
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# Save for next run
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set(_GNUInstallDirs_LAST_CMAKE_INSTALL_PREFIX "${CMAKE_INSTALL_PREFIX}" CACHE INTERNAL "CMAKE_INSTALL_PREFIX during last run")
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unset(_libdir_set)
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unset(__LAST_LIBDIR_DEFAULT)
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_GNUInstallDirs_cache_path(CMAKE_INSTALL_INCLUDEDIR "include"
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"C header files (include)")
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_GNUInstallDirs_cache_path(CMAKE_INSTALL_OLDINCLUDEDIR "/usr/include"
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"C header files for non-gcc (/usr/include)")
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_GNUInstallDirs_cache_path(CMAKE_INSTALL_DATAROOTDIR "share"
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"Read-only architecture-independent data root (share)")
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#-----------------------------------------------------------------------------
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# Values whose defaults are relative to DATAROOTDIR. Store empty values in
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# the cache and store the defaults in local variables if the cache values are
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# not set explicitly. This auto-updates the defaults as DATAROOTDIR changes.
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_GNUInstallDirs_cache_path_fallback(CMAKE_INSTALL_DATADIR "${CMAKE_INSTALL_DATAROOTDIR}"
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"Read-only architecture-independent data (DATAROOTDIR)")
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if(CMAKE_SYSTEM_NAME MATCHES "^(([^kF].*)?BSD|DragonFly)$")
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_GNUInstallDirs_cache_path_fallback(CMAKE_INSTALL_INFODIR "info"
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"Info documentation (info)")
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else()
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_GNUInstallDirs_cache_path_fallback(CMAKE_INSTALL_INFODIR "${CMAKE_INSTALL_DATAROOTDIR}/info"
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"Info documentation (DATAROOTDIR/info)")
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endif()
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if(CMAKE_SYSTEM_NAME MATCHES "^(([^k].*)?BSD|DragonFly)$")
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_GNUInstallDirs_cache_path_fallback(CMAKE_INSTALL_MANDIR "man"
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"Man documentation (man)")
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else()
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_GNUInstallDirs_cache_path_fallback(CMAKE_INSTALL_MANDIR "${CMAKE_INSTALL_DATAROOTDIR}/man"
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"Man documentation (DATAROOTDIR/man)")
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endif()
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_GNUInstallDirs_cache_path_fallback(CMAKE_INSTALL_LOCALEDIR "${CMAKE_INSTALL_DATAROOTDIR}/locale"
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"Locale-dependent data (DATAROOTDIR/locale)")
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_GNUInstallDirs_cache_path_fallback(CMAKE_INSTALL_DOCDIR "${CMAKE_INSTALL_DATAROOTDIR}/doc/${PROJECT_NAME}"
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"Documentation root (DATAROOTDIR/doc/PROJECT_NAME)")
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_GNUInstallDirs_cache_path_fallback(CMAKE_INSTALL_RUNSTATEDIR "${CMAKE_INSTALL_LOCALSTATEDIR}/run"
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"Run-time variable data (LOCALSTATEDIR/run)")
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#-----------------------------------------------------------------------------
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mark_as_advanced(
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CMAKE_INSTALL_BINDIR
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CMAKE_INSTALL_SBINDIR
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CMAKE_INSTALL_LIBEXECDIR
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CMAKE_INSTALL_SYSCONFDIR
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CMAKE_INSTALL_SHAREDSTATEDIR
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CMAKE_INSTALL_LOCALSTATEDIR
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CMAKE_INSTALL_RUNSTATEDIR
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CMAKE_INSTALL_LIBDIR
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CMAKE_INSTALL_INCLUDEDIR
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CMAKE_INSTALL_OLDINCLUDEDIR
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CMAKE_INSTALL_DATAROOTDIR
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CMAKE_INSTALL_DATADIR
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CMAKE_INSTALL_INFODIR
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CMAKE_INSTALL_LOCALEDIR
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CMAKE_INSTALL_MANDIR
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CMAKE_INSTALL_DOCDIR
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)
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macro(GNUInstallDirs_get_absolute_install_dir absvar var)
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if(NOT IS_ABSOLUTE "${${var}}")
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# Handle special cases:
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# - CMAKE_INSTALL_PREFIX == /
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# - CMAKE_INSTALL_PREFIX == /usr
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# - CMAKE_INSTALL_PREFIX == /opt/...
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if("${CMAKE_INSTALL_PREFIX}" STREQUAL "/")
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if("${dir}" STREQUAL "SYSCONFDIR" OR "${dir}" STREQUAL "LOCALSTATEDIR" OR "${dir}" STREQUAL "RUNSTATEDIR")
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set(${absvar} "/${${var}}")
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else()
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if (NOT "${${var}}" MATCHES "^usr/")
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set(${var} "usr/${${var}}")
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endif()
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set(${absvar} "/${${var}}")
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endif()
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elseif("${CMAKE_INSTALL_PREFIX}" MATCHES "^/usr/?$")
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if("${dir}" STREQUAL "SYSCONFDIR" OR "${dir}" STREQUAL "LOCALSTATEDIR" OR "${dir}" STREQUAL "RUNSTATEDIR")
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set(${absvar} "/${${var}}")
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else()
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set(${absvar} "${CMAKE_INSTALL_PREFIX}/${${var}}")
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endif()
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elseif("${CMAKE_INSTALL_PREFIX}" MATCHES "^/opt/.*")
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if("${dir}" STREQUAL "SYSCONFDIR" OR "${dir}" STREQUAL "LOCALSTATEDIR" OR "${dir}" STREQUAL "RUNSTATEDIR")
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set(${absvar} "/${${var}}${CMAKE_INSTALL_PREFIX}")
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else()
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set(${absvar} "${CMAKE_INSTALL_PREFIX}/${${var}}")
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endif()
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else()
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set(${absvar} "${CMAKE_INSTALL_PREFIX}/${${var}}")
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endif()
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else()
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set(${absvar} "${${var}}")
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endif()
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endmacro()
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# Result directories
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#
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foreach(dir
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BINDIR
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SBINDIR
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LIBEXECDIR
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SYSCONFDIR
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SHAREDSTATEDIR
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LOCALSTATEDIR
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RUNSTATEDIR
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LIBDIR
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INCLUDEDIR
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OLDINCLUDEDIR
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DATAROOTDIR
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DATADIR
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INFODIR
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LOCALEDIR
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MANDIR
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DOCDIR
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)
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GNUInstallDirs_get_absolute_install_dir(CMAKE_INSTALL_FULL_${dir} CMAKE_INSTALL_${dir})
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endforeach()
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cmake_policy(POP)
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