]> git-server-git.apps.pok.os.sepia.ceph.com Git - ceph.git/commitdiff
build: Disable `FindBoost` for Boost's included cmake config
authorAdam C. Emerson <aemerson@redhat.com>
Thu, 15 Jan 2026 00:58:15 +0000 (19:58 -0500)
committerAdam C. Emerson <aemerson@redhat.com>
Thu, 15 Jan 2026 04:54:08 +0000 (23:54 -0500)
Boost has included this since 1.70 and CMake has deprecated the
non-config version since 3.30.

See also
https://cmake.org/cmake/help/latest/policy/CMP0167.html#policy:CMP0167

We enable CMP0167 (The `FindBoost` module is removed.) to force cmake
to use the installed Boost configuration files rather than its own
detection.

We also enable CMP0144 (`find_package()` uses upper-case
`<PACKAGENAME>_ROOT` variables.) to ensue that the `BOOST_ROOT`
parameter continues to function in the config-style `find_package`.

`BuildBoost.cmake` is updated to add the `Boost::headers` interface
target to match configured system boost (retaining the Boost::boost
alias).

Signed-off-by: Adam C. Emerson <aemerson@redhat.com>
CMakeLists.txt
cmake/modules/BuildBoost.cmake
cmake/modules/FindBoost.cmake [deleted file]

index 0e0cb08a27a9480660ee35557ab99846a63b8ccd..402b1d8cbb49b2df4cdaee4dd4c1dcad1a7ebd67 100644 (file)
@@ -4,7 +4,11 @@ project(ceph
   VERSION 20.0.0
   LANGUAGES CXX C ASM)
 
-foreach(policy CMP0127 CMP0135 CMP0175)
+foreach(policy CMP0127 CMP0135
+  CMP0144 # Ensure taking `BOOST_ROOT` keeps working. Otherwise,
+         # config-based `find_package` will take `Boost_ROOT`.
+  CMP0167 # Use Boost's own CMake config files instead of FindBoost module.
+  CMP0175)
   if(POLICY ${policy})
     cmake_policy(SET ${policy} NEW)
   endif()
index 470dd20a36fa0a5bcc6ac4345fbc45e6706fdd61..4b80296f9dff8d60ae2948331bb6b1f47b99ec9d 100644 (file)
@@ -223,6 +223,9 @@ macro(build_boost version)
     endif()
   endforeach()
   set(Boost_BUILD_COMPONENTS ${components})
+  # Remove the `headers` from the list of components to build as
+  # `headers` is an interface only target we add later.
+  list(REMOVE_ITEM Boost_BUILD_COMPONENTS headers)
   unset(components)
 
   foreach(c ${Boost_BUILD_COMPONENTS})
@@ -278,13 +281,18 @@ macro(build_boost version)
   endforeach()
 
   # for header-only libraries
-  add_library(Boost::boost INTERFACE IMPORTED)
-  set_target_properties(Boost::boost PROPERTIES
+  add_library(Boost::headers INTERFACE IMPORTED)
+  set_target_properties(Boost::headers PROPERTIES
     INTERFACE_INCLUDE_DIRECTORIES "${Boost_INCLUDE_DIRS}")
-  add_dependencies(Boost::boost Boost)
+  add_dependencies(Boost::headers Boost)
   find_package_handle_standard_args(Boost DEFAULT_MSG
     Boost_INCLUDE_DIRS Boost_LIBRARIES)
   mark_as_advanced(Boost_LIBRARIES BOOST_INCLUDE_DIRS)
+
+  add_library(Boost::boost INTERFACE IMPORTED)
+  set_property(TARGET Boost::boost APPEND PROPERTY INTERFACE_LINK_LIBRARIES
+    Boost::headers)
 endmacro()
 
 function(maybe_add_boost_dep target)
@@ -298,7 +306,7 @@ function(maybe_add_boost_dep target)
     get_filename_component(ext ${src} EXT)
     # assuming all cxx source files include boost header(s)
     if(ext MATCHES ".cc|.cpp|.cxx")
-      add_dependencies(${target} Boost::boost)
+      add_dependencies(${target} Boost::headers)
       return()
     endif()
   endforeach()
diff --git a/cmake/modules/FindBoost.cmake b/cmake/modules/FindBoost.cmake
deleted file mode 100644 (file)
index 631ebca..0000000
+++ /dev/null
@@ -1,2648 +0,0 @@
-# Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
-# file LICENSE.rst or https://cmake.org/licensing for details.
-
-#[=======================================================================[.rst:
-FindBoost
----------
-
-.. versionchanged:: 3.30
-  This module is available only if policy :policy:`CMP0167` is not set to
-  ``NEW``.  Port projects to upstream Boost's ``BoostConfig.cmake`` package
-  configuration file, for which ``find_package(Boost)`` now searches.
-
-Find Boost include dirs and libraries
-
-Use this module by invoking :command:`find_package` with the form:
-
-.. code-block:: cmake
-
-  find_package(Boost
-    [version] [EXACT]      # Minimum or EXACT version e.g. 1.67.0
-    [REQUIRED]             # Fail with error if Boost is not found
-    [COMPONENTS <libs>...] # Boost libraries by their canonical name
-                           # e.g. "date_time" for "libboost_date_time"
-    [OPTIONAL_COMPONENTS <libs>...]
-                           # Optional Boost libraries by their canonical name)
-    )                      # e.g. "date_time" for "libboost_date_time"
-
-This module finds headers and requested component libraries OR a CMake
-package configuration file provided by a "Boost CMake" build.  For the
-latter case skip to the :ref:`Boost CMake` section below.
-
-.. versionadded:: 3.7
-  ``bzip2`` and ``zlib`` components (Windows only).
-
-.. versionadded:: 3.11
-  The ``OPTIONAL_COMPONENTS`` option.
-
-.. versionadded:: 3.13
-  ``stacktrace_*`` components.
-
-.. versionadded:: 3.19
-  ``bzip2`` and ``zlib`` components on all platforms.
-
-Result Variables
-^^^^^^^^^^^^^^^^
-
-This module defines the following variables:
-
-``Boost_FOUND``
-  True if headers and requested libraries were found.
-
-``Boost_INCLUDE_DIRS``
-  Boost include directories.
-
-``Boost_LIBRARY_DIRS``
-  Link directories for Boost libraries.
-
-``Boost_LIBRARIES``
-  Boost component libraries to be linked.
-
-``Boost_<COMPONENT>_FOUND``
-  True if component ``<COMPONENT>`` was found (``<COMPONENT>`` name is upper-case).
-
-``Boost_<COMPONENT>_LIBRARY``
-  Libraries to link for component ``<COMPONENT>`` (may include
-  :command:`target_link_libraries` debug/optimized keywords).
-
-``Boost_VERSION_MACRO``
-  ``BOOST_VERSION`` value from ``boost/version.hpp``.
-
-``Boost_VERSION_STRING``
-  Boost version number in ``X.Y.Z`` format.
-
-``Boost_VERSION``
-  Boost version number in ``X.Y.Z`` format (same as ``Boost_VERSION_STRING``).
-
-  .. versionchanged:: 3.15
-    In previous CMake versions, this variable used the raw version string
-    from the Boost header (same as ``Boost_VERSION_MACRO``).
-    See policy :policy:`CMP0093`.
-
-``Boost_LIB_VERSION``
-  Version string appended to library filenames.
-
-``Boost_VERSION_MAJOR``, ``Boost_MAJOR_VERSION``
-  Boost major version number (``X`` in ``X.Y.Z``).
-
-``Boost_VERSION_MINOR``, ``Boost_MINOR_VERSION``
-  Boost minor version number (``Y`` in ``X.Y.Z``).
-
-``Boost_VERSION_PATCH``, ``Boost_SUBMINOR_VERSION``
-  Boost subminor version number (``Z`` in ``X.Y.Z``).
-
-``Boost_VERSION_COUNT``
-  Amount of version components (3).
-
-``Boost_LIB_DIAGNOSTIC_DEFINITIONS`` (Windows-specific)
-  Pass to :command:`add_definitions` to have diagnostic
-  information about Boost's automatic linking
-  displayed during compilation
-
-.. versionadded:: 3.15
-  The ``Boost_VERSION_<PART>`` variables.
-
-Cache variables
-^^^^^^^^^^^^^^^
-
-Search results are saved persistently in CMake cache entries:
-
-``Boost_INCLUDE_DIR``
-  Directory containing Boost headers.
-
-``Boost_LIBRARY_DIR_RELEASE``
-  Directory containing release Boost libraries.
-
-``Boost_LIBRARY_DIR_DEBUG``
-  Directory containing debug Boost libraries.
-
-``Boost_<COMPONENT>_LIBRARY_DEBUG``
-  Component ``<COMPONENT>`` library debug variant.
-
-``Boost_<COMPONENT>_LIBRARY_RELEASE``
-  Component ``<COMPONENT>`` library release variant.
-
-.. versionadded:: 3.3
-  Per-configuration variables ``Boost_LIBRARY_DIR_RELEASE`` and
-  ``Boost_LIBRARY_DIR_DEBUG``.
-
-Hints
-^^^^^
-
-This module reads hints about search locations from variables:
-
-``BOOST_ROOT``, ``BOOSTROOT``
-  Preferred installation prefix.
-
-``BOOST_INCLUDEDIR``
-  Preferred include directory e.g. ``<prefix>/include``.
-
-``BOOST_LIBRARYDIR``
-  Preferred library directory e.g. ``<prefix>/lib``.
-
-``Boost_NO_SYSTEM_PATHS``
-  Set to ``ON`` to disable searching in locations not
-  specified by these hint variables. Default is ``OFF``.
-
-``Boost_ADDITIONAL_VERSIONS``
-  List of Boost versions not known to this module.
-  (Boost install locations may contain the version).
-
-Users may set these hints or results as ``CACHE`` entries.  Projects
-should not read these entries directly but instead use the above
-result variables.  Note that some hint names start in upper-case
-``BOOST``.  One may specify these as environment variables if they are
-not specified as CMake variables or cache entries.
-
-This module first searches for the Boost header files using the above
-hint variables (excluding ``BOOST_LIBRARYDIR``) and saves the result in
-``Boost_INCLUDE_DIR``.  Then it searches for requested component libraries
-using the above hints (excluding ``BOOST_INCLUDEDIR`` and
-``Boost_ADDITIONAL_VERSIONS``), "lib" directories near ``Boost_INCLUDE_DIR``,
-and the library name configuration settings below.  It saves the
-library directories in ``Boost_LIBRARY_DIR_DEBUG`` and
-``Boost_LIBRARY_DIR_RELEASE`` and individual library
-locations in ``Boost_<COMPONENT>_LIBRARY_DEBUG`` and ``Boost_<COMPONENT>_LIBRARY_RELEASE``.
-When one changes settings used by previous searches in the same build
-tree (excluding environment variables) this module discards previous
-search results affected by the changes and searches again.
-
-Imported Targets
-^^^^^^^^^^^^^^^^
-
-.. versionadded:: 3.5
-
-This module defines the following :prop_tgt:`IMPORTED` targets:
-
-``Boost::boost``
-  Target for header-only dependencies. (Boost include directory).
-
-``Boost::headers``
-  .. versionadded:: 3.15
-    Alias for ``Boost::boost``.
-
-``Boost::<component>``
-  Target for specific component dependency (shared or static library);
-  ``<component>`` name is lower-case.
-
-``Boost::diagnostic_definitions``
-  Interface target to enable diagnostic information about Boost's automatic
-  linking during compilation (adds ``-DBOOST_LIB_DIAGNOSTIC``).
-
-``Boost::disable_autolinking``
-  Interface target to disable automatic linking with MSVC
-  (adds ``-DBOOST_ALL_NO_LIB``).
-
-``Boost::dynamic_linking``
-  Interface target to enable dynamic linking with MSVC
-  (adds ``-DBOOST_ALL_DYN_LINK``).
-
-Implicit dependencies such as ``Boost::filesystem`` requiring
-``Boost::system`` will be automatically detected and satisfied, even
-if system is not specified when using :command:`find_package` and if
-``Boost::system`` is not added to :command:`target_link_libraries`.  If using
-``Boost::thread``, then ``Threads::Threads`` will also be added automatically.
-
-It is important to note that the imported targets behave differently
-than variables created by this module: multiple calls to
-:command:`find_package(Boost)` in the same directory or sub-directories with
-different options (e.g. static or shared) will not override the
-values of the targets created by the first call.
-
-Other Variables
-^^^^^^^^^^^^^^^
-
-Boost libraries come in many variants encoded in their file name.
-Users or projects may tell this module which variant to find by
-setting variables:
-
-``Boost_USE_DEBUG_LIBS``
-  .. versionadded:: 3.10
-
-  Set to ``ON`` or ``OFF`` to specify whether to search and use the debug
-  libraries.  Default is ``ON``.
-
-``Boost_USE_RELEASE_LIBS``
-  .. versionadded:: 3.10
-
-  Set to ``ON`` or ``OFF`` to specify whether to search and use the release
-  libraries.  Default is ``ON``.
-
-``Boost_USE_MULTITHREADED``
-  Set to OFF to use the non-multithreaded libraries ("mt" tag). Default is
-  ``ON``.
-
-``Boost_USE_STATIC_LIBS``
-  Set to ON to force the use of the static libraries.  Default is ``OFF``.
-
-``Boost_USE_STATIC_RUNTIME``
-  Set to ``ON`` or ``OFF`` to specify whether to use libraries linked
-  statically to the C++ runtime ("s" tag).  Default is platform dependent.
-
-``Boost_USE_DEBUG_RUNTIME``
-  Set to ``ON`` or ``OFF`` to specify whether to use libraries linked to the
-  MS debug C++ runtime ("g" tag).  Default is ``ON``.
-
-``Boost_USE_DEBUG_PYTHON``
-  Set to ``ON`` to use libraries compiled with a debug Python build ("y"
-  tag).  Default is ``OFF``.
-
-``Boost_USE_STLPORT``
-  Set to ``ON`` to use libraries compiled with STLPort ("p" tag). Default is
-  ``OFF``.
-
-``Boost_USE_STLPORT_DEPRECATED_NATIVE_IOSTREAMS``
-  Set to ON to use libraries compiled with STLPort deprecated "native
-  iostreams" ("n" tag).  Default is ``OFF``.
-
-``Boost_COMPILER``
-  Set to the compiler-specific library suffix (e.g. ``-gcc43``).  Default is
-  auto-computed for the C++ compiler in use.
-
-  .. versionchanged:: 3.9
-    A list may be used if multiple compatible suffixes should be tested for,
-    in decreasing order of preference.
-
-``Boost_LIB_PREFIX``
-  .. versionadded:: 3.18
-
-  Set to the platform-specific library name prefix (e.g. ``lib``) used by
-  Boost static libs.  This is needed only on platforms where CMake does not
-  know the prefix by default.
-
-``Boost_ARCHITECTURE``
-  .. versionadded:: 3.13
-
-  Set to the architecture-specific library suffix (e.g. ``-x64``).
-  Default is auto-computed for the C++ compiler in use.
-
-``Boost_THREADAPI``
-  Suffix for ``thread`` component library name, such as ``pthread`` or
-  ``win32``.  Names with and without this suffix will both be tried.
-
-``Boost_NAMESPACE``
-  Alternate namespace used to build boost with e.g. if set to ``myboost``,
-  will search for ``myboost_thread`` instead of ``boost_thread``.
-
-Other variables one may set to control this module are:
-
-``Boost_DEBUG``
-  Set to ``ON`` to enable debug output from ``FindBoost``.
-  Please enable this before filing any bug report.
-
-``Boost_REALPATH``
-  Set to ``ON`` to resolve symlinks for discovered libraries to assist with
-  packaging.  For example, the "system" component library may be resolved to
-  ``/usr/lib/libboost_system.so.1.67.0`` instead of
-  ``/usr/lib/libboost_system.so``.  This does not affect linking and should
-  not be enabled unless the user needs this information.
-
-``Boost_LIBRARY_DIR``
-  Default value for ``Boost_LIBRARY_DIR_RELEASE`` and
-  ``Boost_LIBRARY_DIR_DEBUG``.
-
-``Boost_NO_WARN_NEW_VERSIONS``
-  .. versionadded:: 3.20
-
-  Set to ``ON`` to suppress the warning about unknown dependencies for new
-  Boost versions.
-
-On Visual Studio and Borland compilers Boost headers request automatic
-linking to corresponding libraries.  This requires matching libraries
-to be linked explicitly or available in the link library search path.
-In this case setting ``Boost_USE_STATIC_LIBS`` to ``OFF`` may not achieve
-dynamic linking.  Boost automatic linking typically requests static
-libraries with a few exceptions (such as ``Boost.Python``).  Use:
-
-.. code-block:: cmake
-
-  add_definitions(${Boost_LIB_DIAGNOSTIC_DEFINITIONS})
-
-to ask Boost to report information about automatic linking requests.
-
-Examples
-^^^^^^^^
-
-Find Boost headers only:
-
-.. code-block:: cmake
-
-  find_package(Boost 1.36.0)
-  if(Boost_FOUND)
-    include_directories(${Boost_INCLUDE_DIRS})
-    add_executable(foo foo.cc)
-  endif()
-
-Find Boost libraries and use imported targets:
-
-.. code-block:: cmake
-
-  find_package(Boost 1.56 REQUIRED COMPONENTS
-               date_time filesystem iostreams)
-  add_executable(foo foo.cc)
-  target_link_libraries(foo Boost::date_time Boost::filesystem
-                            Boost::iostreams)
-
-Find Boost Python 3.6 libraries and use imported targets:
-
-.. code-block:: cmake
-
-  find_package(Boost 1.67 REQUIRED COMPONENTS
-               python36 numpy36)
-  add_executable(foo foo.cc)
-  target_link_libraries(foo Boost::python36 Boost::numpy36)
-
-Find Boost headers and some *static* (release only) libraries:
-
-.. code-block:: cmake
-
-  set(Boost_USE_STATIC_LIBS        ON)  # only find static libs
-  set(Boost_USE_DEBUG_LIBS        OFF)  # ignore debug libs and
-  set(Boost_USE_RELEASE_LIBS       ON)  # only find release libs
-  set(Boost_USE_MULTITHREADED      ON)
-  set(Boost_USE_STATIC_RUNTIME    OFF)
-  find_package(Boost 1.66.0 COMPONENTS date_time filesystem system ...)
-  if(Boost_FOUND)
-    include_directories(${Boost_INCLUDE_DIRS})
-    add_executable(foo foo.cc)
-    target_link_libraries(foo ${Boost_LIBRARIES})
-  endif()
-
-.. _`Boost CMake`:
-
-Boost CMake
-^^^^^^^^^^^
-
-If Boost was built using the boost-cmake project or from Boost 1.70.0 on
-it provides a package configuration file for use with find_package's config mode.
-This module looks for the package configuration file called
-``BoostConfig.cmake`` or ``boost-config.cmake`` and stores the result in
-``CACHE`` entry ``Boost_DIR``.  If found, the package configuration file is loaded
-and this module returns with no further action.  See documentation of
-the Boost CMake package configuration for details on what it provides.
-
-Set ``Boost_NO_BOOST_CMAKE`` to ``ON``, to disable the search for boost-cmake.
-#]=======================================================================]
-
-if(POLICY CMP0167)
-  cmake_policy(GET CMP0167 _FindBoost_CMP0167)
-  if(_FindBoost_CMP0167 STREQUAL "NEW")
-    message(FATAL_ERROR "The FindBoost module has been removed by policy CMP0167.")
-  endif()
-endif()
-
-if(_FindBoost_testing)
-  set(_FindBoost_included TRUE)
-  return()
-endif()
-
-# The FPHSA helper provides standard way of reporting final search results to
-# the user including the version and component checks.
-include(FindPackageHandleStandardArgs)
-
-# Save project's policies
-cmake_policy(PUSH)
-cmake_policy(SET CMP0057 NEW) # if IN_LIST
-if(POLICY CMP0102)
-  cmake_policy(SET CMP0102 NEW) # if mark_as_advanced(non_cache_var)
-endif()
-if(POLICY CMP0159)
-  cmake_policy(SET CMP0159 NEW) # file(STRINGS) with REGEX updates CMAKE_MATCH_<n>
-endif()
-
-function(_boost_get_existing_target component target_var)
-  set(names "${component}")
-  if(component MATCHES "^([a-z_]*)(python|numpy)([1-9])\\.?([0-9]+)?$")
-    # handle pythonXY and numpyXY versioned components and also python X.Y, mpi_python etc.
-    list(APPEND names
-      "${CMAKE_MATCH_1}${CMAKE_MATCH_2}" # python
-      "${CMAKE_MATCH_1}${CMAKE_MATCH_2}${CMAKE_MATCH_3}" # pythonX
-      "${CMAKE_MATCH_1}${CMAKE_MATCH_2}${CMAKE_MATCH_3}${CMAKE_MATCH_4}" #pythonXY
-    )
-  endif()
-  # https://github.com/boost-cmake/boost-cmake uses boost::file_system etc.
-  # So handle similar constructions of target names
-  string(TOLOWER "${component}" lower_component)
-  list(APPEND names "${lower_component}")
-  foreach(prefix Boost boost)
-    foreach(name IN LISTS names)
-      if(TARGET "${prefix}::${name}")
-        # The target may be an INTERFACE library that wraps around a single other
-        # target for compatibility.  Unwrap this layer so we can extract real info.
-        if("${name}" MATCHES "^(python|numpy|mpi_python)([1-9])([0-9]+)$")
-          set(name_nv "${CMAKE_MATCH_1}")
-          if(TARGET "${prefix}::${name_nv}")
-            get_property(type TARGET "${prefix}::${name}" PROPERTY TYPE)
-            if(type STREQUAL "INTERFACE_LIBRARY")
-              get_property(lib TARGET "${prefix}::${name}" PROPERTY INTERFACE_LINK_LIBRARIES)
-              if("${lib}" STREQUAL "${prefix}::${name_nv}")
-                set(${target_var} "${prefix}::${name_nv}" PARENT_SCOPE)
-                return()
-              endif()
-            endif()
-          endif()
-        endif()
-        set(${target_var} "${prefix}::${name}" PARENT_SCOPE)
-        return()
-      endif()
-    endforeach()
-  endforeach()
-  set(${target_var} "" PARENT_SCOPE)
-endfunction()
-
-function(_boost_get_canonical_target_name component target_var)
-  string(TOLOWER "${component}" component)
-  if(component MATCHES "^([a-z_]*)(python|numpy)([1-9])\\.?([0-9]+)?$")
-    # handle pythonXY and numpyXY versioned components and also python X.Y, mpi_python etc.
-    set(${target_var} "Boost::${CMAKE_MATCH_1}${CMAKE_MATCH_2}" PARENT_SCOPE)
-  else()
-    set(${target_var} "Boost::${component}" PARENT_SCOPE)
-  endif()
-endfunction()
-
-macro(_boost_set_in_parent_scope name value)
-  # Set a variable in parent scope and make it visible in current scope
-  set(${name} "${value}" PARENT_SCOPE)
-  set(${name} "${value}")
-endmacro()
-
-macro(_boost_set_if_unset name value)
-  if(NOT ${name})
-    _boost_set_in_parent_scope(${name} "${value}")
-  endif()
-endmacro()
-
-macro(_boost_set_cache_if_unset name value)
-  if(NOT ${name})
-    set(${name} "${value}" CACHE STRING "" FORCE)
-  endif()
-endmacro()
-
-macro(_boost_append_include_dir target)
-  get_target_property(inc "${target}" INTERFACE_INCLUDE_DIRECTORIES)
-  if(inc)
-    list(APPEND include_dirs "${inc}")
-  endif()
-endmacro()
-
-function(_boost_set_legacy_variables_from_config)
-  # Set legacy variables for compatibility if not set
-  set(include_dirs "")
-  set(library_dirs "")
-  set(libraries "")
-  # Header targets Boost::headers or Boost::boost
-  foreach(comp headers boost)
-    _boost_get_existing_target(${comp} target)
-    if(target)
-      _boost_append_include_dir("${target}")
-    endif()
-  endforeach()
-  # Library targets
-  foreach(comp IN LISTS Boost_FIND_COMPONENTS)
-    string(TOUPPER ${comp} uppercomp)
-    # Overwrite if set
-    _boost_set_in_parent_scope(Boost_${uppercomp}_FOUND "${Boost_${comp}_FOUND}")
-    if(Boost_${comp}_FOUND)
-      _boost_get_existing_target(${comp} target)
-      if(NOT target)
-        if(Boost_DEBUG OR Boost_VERBOSE)
-          message(WARNING "Could not find imported target for required component '${comp}'. Legacy variables for this component might be missing. Refer to the documentation of your Boost installation for help on variables to use.")
-        endif()
-        continue()
-      endif()
-      _boost_append_include_dir("${target}")
-      _boost_set_if_unset(Boost_${uppercomp}_LIBRARY "${target}")
-      _boost_set_if_unset(Boost_${uppercomp}_LIBRARIES "${target}") # Very old legacy variable
-      list(APPEND libraries "${target}")
-      get_property(type TARGET "${target}" PROPERTY TYPE)
-      if(NOT type STREQUAL "INTERFACE_LIBRARY")
-        foreach(cfg RELEASE DEBUG)
-          get_target_property(lib ${target} IMPORTED_LOCATION_${cfg})
-          if(lib)
-            get_filename_component(lib_dir "${lib}" DIRECTORY)
-            list(APPEND library_dirs ${lib_dir})
-            _boost_set_cache_if_unset(Boost_${uppercomp}_LIBRARY_${cfg} "${lib}")
-          endif()
-        endforeach()
-      elseif(Boost_DEBUG OR Boost_VERBOSE)
-        # For projects using only the Boost::* targets this warning can be safely ignored.
-        message(WARNING "Imported target '${target}' for required component '${comp}' has no artifact. Legacy variables for this component might be missing. Refer to the documentation of your Boost installation for help on variables to use.")
-      endif()
-      _boost_get_canonical_target_name("${comp}" canonical_target)
-      if(NOT TARGET "${canonical_target}")
-        add_library("${canonical_target}" INTERFACE IMPORTED)
-        target_link_libraries("${canonical_target}" INTERFACE "${target}")
-      endif()
-    endif()
-  endforeach()
-  list(REMOVE_DUPLICATES include_dirs)
-  list(REMOVE_DUPLICATES library_dirs)
-  _boost_set_if_unset(Boost_INCLUDE_DIRS "${include_dirs}")
-  _boost_set_if_unset(Boost_LIBRARY_DIRS "${library_dirs}")
-  _boost_set_if_unset(Boost_LIBRARIES "${libraries}")
-  _boost_set_if_unset(Boost_VERSION_STRING "${Boost_VERSION_MAJOR}.${Boost_VERSION_MINOR}.${Boost_VERSION_PATCH}")
-  find_path(Boost_INCLUDE_DIR
-    NAMES boost/version.hpp boost/config.hpp
-    HINTS ${Boost_INCLUDE_DIRS}
-    NO_DEFAULT_PATH
-  )
-  if(NOT Boost_VERSION_MACRO OR NOT Boost_LIB_VERSION)
-    set(version_file ${Boost_INCLUDE_DIR}/boost/version.hpp)
-    if(EXISTS "${version_file}")
-      file(STRINGS "${version_file}" contents REGEX "#define BOOST_(LIB_)?VERSION ")
-      if(contents MATCHES "#define BOOST_VERSION ([0-9]+)")
-        _boost_set_if_unset(Boost_VERSION_MACRO "${CMAKE_MATCH_1}")
-      endif()
-      if(contents MATCHES "#define BOOST_LIB_VERSION \"([0-9_]+)\"")
-        _boost_set_if_unset(Boost_LIB_VERSION "${CMAKE_MATCH_1}")
-      endif()
-    endif()
-  endif()
-  _boost_set_if_unset(Boost_MAJOR_VERSION ${Boost_VERSION_MAJOR})
-  _boost_set_if_unset(Boost_MINOR_VERSION ${Boost_VERSION_MINOR})
-  _boost_set_if_unset(Boost_SUBMINOR_VERSION ${Boost_VERSION_PATCH})
-  if(WIN32)
-    _boost_set_if_unset(Boost_LIB_DIAGNOSTIC_DEFINITIONS "-DBOOST_LIB_DIAGNOSTIC")
-  endif()
-  if(NOT TARGET Boost::headers)
-    add_library(Boost::headers INTERFACE IMPORTED)
-    target_include_directories(Boost::headers INTERFACE ${Boost_INCLUDE_DIRS})
-  endif()
-  # Legacy targets w/o functionality as all handled by defined targets
-  foreach(lib diagnostic_definitions disable_autolinking dynamic_linking)
-    if(NOT TARGET Boost::${lib})
-      add_library(Boost::${lib} INTERFACE IMPORTED)
-    endif()
-  endforeach()
-  if(NOT TARGET Boost::boost)
-    add_library(Boost::boost INTERFACE IMPORTED)
-    target_link_libraries(Boost::boost INTERFACE Boost::headers)
-  endif()
-endfunction()
-
-#-------------------------------------------------------------------------------
-# Before we go searching, check whether a boost cmake package is available, unless
-# the user specifically asked NOT to search for one.
-#
-# If Boost_DIR is set, this behaves as any find_package call would. If not,
-# it looks at BOOST_ROOT and BOOSTROOT to find Boost.
-#
-if (NOT Boost_NO_BOOST_CMAKE)
-  # If Boost_DIR is not set, look for BOOSTROOT and BOOST_ROOT as alternatives,
-  # since these are more conventional for Boost.
-  if ("$ENV{Boost_DIR}" STREQUAL "")
-    if (NOT "$ENV{BOOST_ROOT}" STREQUAL "")
-      set(ENV{Boost_DIR} $ENV{BOOST_ROOT})
-    elseif (NOT "$ENV{BOOSTROOT}" STREQUAL "")
-      set(ENV{Boost_DIR} $ENV{BOOSTROOT})
-    endif()
-  endif()
-
-  set(_boost_FIND_PACKAGE_ARGS "")
-  if(Boost_NO_SYSTEM_PATHS)
-    list(APPEND _boost_FIND_PACKAGE_ARGS NO_CMAKE_SYSTEM_PATH NO_SYSTEM_ENVIRONMENT_PATH)
-  endif()
-
-  # Do the same find_package call but look specifically for the CMake version.
-  # Note that args are passed in the Boost_FIND_xxxxx variables, so there is no
-  # need to delegate them to this find_package call.
-  cmake_policy(PUSH)
-  if(BOOST_ROOT AND NOT Boost_ROOT)
-    # Honor BOOST_ROOT by setting Boost_ROOT with CMP0074 NEW behavior.
-    if(POLICY CMP0074)
-      cmake_policy(SET CMP0074 NEW)
-    endif()
-    set(Boost_ROOT "${BOOST_ROOT}")
-    set(_Boost_ROOT_FOR_CONFIG 1)
-  endif()
-  find_package(Boost QUIET NO_MODULE ${_boost_FIND_PACKAGE_ARGS})
-  cmake_policy(POP)
-  if (DEFINED Boost_DIR)
-    mark_as_advanced(Boost_DIR)
-  endif ()
-
-  # If we found a boost cmake package, then we're done. Print out what we found.
-  # Otherwise let the rest of the module try to find it.
-  if(Boost_FOUND)
-    # Convert component found variables to standard variables if required
-    # Necessary for legacy boost-cmake and 1.70 builtin BoostConfig
-    if(Boost_FIND_COMPONENTS)
-      # Ignore the meta-component "ALL", introduced by Boost 1.73
-      list(REMOVE_ITEM Boost_FIND_COMPONENTS "ALL")
-
-      foreach(_comp IN LISTS Boost_FIND_COMPONENTS)
-        if(DEFINED Boost_${_comp}_FOUND)
-          continue()
-        endif()
-        string(TOUPPER ${_comp} _uppercomp)
-        if(DEFINED Boost${_comp}_FOUND) # legacy boost-cmake project
-          set(Boost_${_comp}_FOUND ${Boost${_comp}_FOUND})
-        elseif(DEFINED Boost_${_uppercomp}_FOUND) # Boost 1.70
-          set(Boost_${_comp}_FOUND ${Boost_${_uppercomp}_FOUND})
-        endif()
-      endforeach()
-    endif()
-
-    find_package_handle_standard_args(Boost HANDLE_COMPONENTS CONFIG_MODE)
-    _boost_set_legacy_variables_from_config()
-
-    # Restore project's policies
-    cmake_policy(POP)
-    return()
-  endif()
-endif()
-
-
-#-------------------------------------------------------------------------------
-#  FindBoost functions & macros
-#
-
-#
-# Print debug text if Boost_DEBUG is set.
-# Call example:
-# _Boost_DEBUG_PRINT("${CMAKE_CURRENT_LIST_FILE}" "${CMAKE_CURRENT_LIST_LINE}" "debug message")
-#
-function(_Boost_DEBUG_PRINT file line text)
-  if(Boost_DEBUG)
-    message(STATUS "[ ${file}:${line} ] ${text}")
-  endif()
-endfunction()
-
-#
-# _Boost_DEBUG_PRINT_VAR(file line variable_name [ENVIRONMENT]
-#                        [SOURCE "short explanation of origin of var value"])
-#
-#   ENVIRONMENT - look up environment variable instead of CMake variable
-#
-# Print variable name and its value if Boost_DEBUG is set.
-# Call example:
-# _Boost_DEBUG_PRINT_VAR("${CMAKE_CURRENT_LIST_FILE}" "${CMAKE_CURRENT_LIST_LINE}" BOOST_ROOT)
-#
-function(_Boost_DEBUG_PRINT_VAR file line name)
-  if(Boost_DEBUG)
-    cmake_parse_arguments(_args "ENVIRONMENT" "SOURCE" "" ${ARGN})
-
-    unset(source)
-    if(_args_SOURCE)
-      set(source " (${_args_SOURCE})")
-    endif()
-
-    if(_args_ENVIRONMENT)
-      if(DEFINED ENV{${name}})
-        set(value "\"$ENV{${name}}\"")
-      else()
-        set(value "<unset>")
-      endif()
-      set(_name "ENV{${name}}")
-    else()
-      if(DEFINED "${name}")
-        set(value "\"${${name}}\"")
-      else()
-        set(value "<unset>")
-      endif()
-      set(_name "${name}")
-    endif()
-
-    _Boost_DEBUG_PRINT("${file}" "${line}" "${_name} = ${value}${source}")
-  endif()
-endfunction()
-
-############################################
-#
-# Check the existence of the libraries.
-#
-############################################
-# This macro was taken directly from the FindQt4.cmake file that is included
-# with the CMake distribution. This is NOT my work. All work was done by the
-# original authors of the FindQt4.cmake file. Only minor modifications were
-# made to remove references to Qt and make this file more generally applicable
-# And ELSE/ENDIF pairs were removed for readability.
-#########################################################################
-
-macro(_Boost_ADJUST_LIB_VARS basename)
-  if(Boost_INCLUDE_DIR )
-    if(Boost_${basename}_LIBRARY_DEBUG AND Boost_${basename}_LIBRARY_RELEASE)
-      # if the generator is multi-config or if CMAKE_BUILD_TYPE is set for
-      # single-config generators, set optimized and debug libraries
-      get_property(_isMultiConfig GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG)
-      if(_isMultiConfig OR CMAKE_BUILD_TYPE)
-        set(Boost_${basename}_LIBRARY optimized ${Boost_${basename}_LIBRARY_RELEASE} debug ${Boost_${basename}_LIBRARY_DEBUG})
-      else()
-        # For single-config generators where CMAKE_BUILD_TYPE has no value,
-        # just use the release libraries
-        set(Boost_${basename}_LIBRARY ${Boost_${basename}_LIBRARY_RELEASE} )
-      endif()
-      # FIXME: This probably should be set for both cases
-      set(Boost_${basename}_LIBRARIES optimized ${Boost_${basename}_LIBRARY_RELEASE} debug ${Boost_${basename}_LIBRARY_DEBUG})
-    endif()
-
-    # if only the release version was found, set the debug variable also to the release version
-    if(Boost_${basename}_LIBRARY_RELEASE AND NOT Boost_${basename}_LIBRARY_DEBUG)
-      set(Boost_${basename}_LIBRARY_DEBUG ${Boost_${basename}_LIBRARY_RELEASE})
-      set(Boost_${basename}_LIBRARY       ${Boost_${basename}_LIBRARY_RELEASE})
-      set(Boost_${basename}_LIBRARIES     ${Boost_${basename}_LIBRARY_RELEASE})
-    endif()
-
-    # if only the debug version was found, set the release variable also to the debug version
-    if(Boost_${basename}_LIBRARY_DEBUG AND NOT Boost_${basename}_LIBRARY_RELEASE)
-      set(Boost_${basename}_LIBRARY_RELEASE ${Boost_${basename}_LIBRARY_DEBUG})
-      set(Boost_${basename}_LIBRARY         ${Boost_${basename}_LIBRARY_DEBUG})
-      set(Boost_${basename}_LIBRARIES       ${Boost_${basename}_LIBRARY_DEBUG})
-    endif()
-
-    # If the debug & release library ends up being the same, omit the keywords
-    if("${Boost_${basename}_LIBRARY_RELEASE}" STREQUAL "${Boost_${basename}_LIBRARY_DEBUG}")
-      set(Boost_${basename}_LIBRARY   ${Boost_${basename}_LIBRARY_RELEASE} )
-      set(Boost_${basename}_LIBRARIES ${Boost_${basename}_LIBRARY_RELEASE} )
-    endif()
-
-    if(Boost_${basename}_LIBRARY AND Boost_${basename}_HEADER)
-      set(Boost_${basename}_FOUND ON)
-      if("x${basename}" STREQUAL "xTHREAD" AND NOT TARGET Threads::Threads)
-        string(APPEND Boost_ERROR_REASON_THREAD " (missing dependency: Threads)")
-        set(Boost_THREAD_FOUND OFF)
-      endif()
-    endif()
-
-  endif()
-  # Make variables changeable to the advanced user
-  mark_as_advanced(
-      Boost_${basename}_LIBRARY_RELEASE
-      Boost_${basename}_LIBRARY_DEBUG
-  )
-endmacro()
-
-# Detect changes in used variables.
-# Compares the current variable value with the last one.
-# In short form:
-# v != v_LAST                      -> CHANGED = 1
-# v is defined, v_LAST not         -> CHANGED = 1
-# v is not defined, but v_LAST is  -> CHANGED = 1
-# otherwise                        -> CHANGED = 0
-# CHANGED is returned in variable named ${changed_var}
-macro(_Boost_CHANGE_DETECT changed_var)
-  set(${changed_var} 0)
-  foreach(v ${ARGN})
-    if(DEFINED _Boost_COMPONENTS_SEARCHED)
-      if(${v})
-        if(_${v}_LAST)
-          string(COMPARE NOTEQUAL "${${v}}" "${_${v}_LAST}" _${v}_CHANGED)
-        else()
-          set(_${v}_CHANGED 1)
-        endif()
-      elseif(_${v}_LAST)
-        set(_${v}_CHANGED 1)
-      endif()
-      if(_${v}_CHANGED)
-        set(${changed_var} 1)
-      endif()
-    else()
-      set(_${v}_CHANGED 0)
-    endif()
-  endforeach()
-endmacro()
-
-#
-# Find the given library (var).
-# Use 'build_type' to support different lib paths for RELEASE or DEBUG builds
-#
-macro(_Boost_FIND_LIBRARY var build_type)
-
-  find_library(${var} ${ARGN})
-
-  if(${var})
-    # If this is the first library found then save Boost_LIBRARY_DIR_[RELEASE,DEBUG].
-    if(NOT Boost_LIBRARY_DIR_${build_type})
-      get_filename_component(_dir "${${var}}" PATH)
-      set(Boost_LIBRARY_DIR_${build_type} "${_dir}" CACHE PATH "Boost library directory ${build_type}" FORCE)
-    endif()
-  elseif(_Boost_FIND_LIBRARY_HINTS_FOR_COMPONENT)
-    # Try component-specific hints but do not save Boost_LIBRARY_DIR_[RELEASE,DEBUG].
-    find_library(${var} HINTS ${_Boost_FIND_LIBRARY_HINTS_FOR_COMPONENT} ${ARGN})
-  endif()
-
-  # If Boost_LIBRARY_DIR_[RELEASE,DEBUG] is known then search only there.
-  if(Boost_LIBRARY_DIR_${build_type})
-    set(_boost_LIBRARY_SEARCH_DIRS_${build_type} ${Boost_LIBRARY_DIR_${build_type}} NO_DEFAULT_PATH NO_CMAKE_FIND_ROOT_PATH)
-    _Boost_DEBUG_PRINT_VAR("${CMAKE_CURRENT_LIST_FILE}" "${CMAKE_CURRENT_LIST_LINE}"
-                           "Boost_LIBRARY_DIR_${build_type}")
-    _Boost_DEBUG_PRINT_VAR("${CMAKE_CURRENT_LIST_FILE}" "${CMAKE_CURRENT_LIST_LINE}"
-                           "_boost_LIBRARY_SEARCH_DIRS_${build_type}")
-  endif()
-endmacro()
-
-#-------------------------------------------------------------------------------
-
-# Convert CMAKE_CXX_COMPILER_VERSION to boost compiler suffix version.
-function(_Boost_COMPILER_DUMPVERSION _OUTPUT_VERSION _OUTPUT_VERSION_MAJOR _OUTPUT_VERSION_MINOR)
-  string(REGEX REPLACE "([0-9]+)\\.([0-9]+)(\\.[0-9]+)?" "\\1"
-    _boost_COMPILER_VERSION_MAJOR "${CMAKE_CXX_COMPILER_VERSION}")
-  string(REGEX REPLACE "([0-9]+)\\.([0-9]+)(\\.[0-9]+)?" "\\2"
-    _boost_COMPILER_VERSION_MINOR "${CMAKE_CXX_COMPILER_VERSION}")
-
-  set(_boost_COMPILER_VERSION "${_boost_COMPILER_VERSION_MAJOR}${_boost_COMPILER_VERSION_MINOR}")
-
-  set(${_OUTPUT_VERSION} ${_boost_COMPILER_VERSION} PARENT_SCOPE)
-  set(${_OUTPUT_VERSION_MAJOR} ${_boost_COMPILER_VERSION_MAJOR} PARENT_SCOPE)
-  set(${_OUTPUT_VERSION_MINOR} ${_boost_COMPILER_VERSION_MINOR} PARENT_SCOPE)
-endfunction()
-
-#
-# Take a list of libraries with "thread" in it
-# and prepend duplicates with "thread_${Boost_THREADAPI}"
-# at the front of the list
-#
-function(_Boost_PREPEND_LIST_WITH_THREADAPI _output)
-  set(_orig_libnames ${ARGN})
-  string(REPLACE "thread" "thread_${Boost_THREADAPI}" _threadapi_libnames "${_orig_libnames}")
-  set(${_output} ${_threadapi_libnames} ${_orig_libnames} PARENT_SCOPE)
-endfunction()
-
-#
-# If a library is found, replace its cache entry with its REALPATH
-#
-function(_Boost_SWAP_WITH_REALPATH _library _docstring)
-  if(${_library})
-    get_filename_component(_boost_filepathreal ${${_library}} REALPATH)
-    unset(${_library} CACHE)
-    set(${_library} ${_boost_filepathreal} CACHE FILEPATH "${_docstring}")
-  endif()
-endfunction()
-
-function(_Boost_CHECK_SPELLING _var)
-  if(${_var})
-    string(TOUPPER ${_var} _var_UC)
-    message(FATAL_ERROR "ERROR: ${_var} is not the correct spelling.  The proper spelling is ${_var_UC}.")
-  endif()
-endfunction()
-
-# Guesses Boost's compiler prefix used in built library names
-# Returns the guess by setting the variable pointed to by _ret
-function(_Boost_GUESS_COMPILER_PREFIX _ret)
-  if("x${CMAKE_CXX_COMPILER_ID}" STREQUAL "xIntel"
-      OR "x${CMAKE_CXX_COMPILER_ARCHITECTURE_ID}" STREQUAL "xIntelLLVM")
-    if(WIN32)
-      set (_boost_COMPILER "-iw")
-    else()
-      set (_boost_COMPILER "-il")
-    endif()
-  elseif (GHSMULTI)
-    set(_boost_COMPILER "-ghs")
-  elseif("x${CMAKE_CXX_COMPILER_ID}" STREQUAL "xMSVC" OR "x${CMAKE_CXX_SIMULATE_ID}" STREQUAL "xMSVC")
-    if(MSVC_TOOLSET_VERSION GREATER_EQUAL 150)
-      # Not yet known.
-      set(_boost_COMPILER "")
-    elseif(MSVC_TOOLSET_VERSION GREATER_EQUAL 140)
-      # MSVC toolset 14.x versions are forward compatible.
-      set(_boost_COMPILER "")
-      foreach(v 9 8 7 6 5 4 3 2 1 0)
-        if(MSVC_TOOLSET_VERSION GREATER_EQUAL 14${v})
-          list(APPEND _boost_COMPILER "-vc14${v}")
-        endif()
-      endforeach()
-    elseif(MSVC_TOOLSET_VERSION GREATER_EQUAL 80)
-      set(_boost_COMPILER "-vc${MSVC_TOOLSET_VERSION}")
-    elseif(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 13.10)
-      set(_boost_COMPILER "-vc71")
-    elseif(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 13) # Good luck!
-      set(_boost_COMPILER "-vc7") # yes, this is correct
-    else() # VS 6.0 Good luck!
-      set(_boost_COMPILER "-vc6") # yes, this is correct
-    endif()
-
-    if("x${CMAKE_CXX_COMPILER_ID}" STREQUAL "xClang")
-      string(REPLACE "." ";" VERSION_LIST "${CMAKE_CXX_COMPILER_VERSION}")
-      list(GET VERSION_LIST 0 CLANG_VERSION_MAJOR)
-      set(_boost_COMPILER "-clangw${CLANG_VERSION_MAJOR};${_boost_COMPILER}")
-    endif()
-  elseif (BORLAND)
-    set(_boost_COMPILER "-bcb")
-  elseif(CMAKE_CXX_COMPILER_ID STREQUAL "SunPro")
-    set(_boost_COMPILER "-sw")
-  elseif(CMAKE_CXX_COMPILER_ID STREQUAL "XL")
-    set(_boost_COMPILER "-xlc")
-  elseif (MINGW)
-    if(Boost_VERSION_STRING VERSION_LESS 1.34)
-        set(_boost_COMPILER "-mgw") # no GCC version encoding prior to 1.34
-    else()
-      _Boost_COMPILER_DUMPVERSION(_boost_COMPILER_VERSION _boost_COMPILER_VERSION_MAJOR _boost_COMPILER_VERSION_MINOR)
-      if(Boost_VERSION_STRING VERSION_GREATER_EQUAL 1.73 AND _boost_COMPILER_VERSION_MAJOR VERSION_GREATER_EQUAL 5)
-        set(_boost_COMPILER "-mgw${_boost_COMPILER_VERSION_MAJOR}")
-      else()
-        set(_boost_COMPILER "-mgw${_boost_COMPILER_VERSION}")
-      endif()
-    endif()
-  elseif (UNIX)
-    _Boost_COMPILER_DUMPVERSION(_boost_COMPILER_VERSION _boost_COMPILER_VERSION_MAJOR _boost_COMPILER_VERSION_MINOR)
-    if(NOT Boost_VERSION_STRING VERSION_LESS 1.69.0)
-      # From GCC 5 and clang 4, versioning changes and minor becomes patch.
-      # For those compilers, patch is exclude from compiler tag in Boost 1.69+ library naming.
-      if((CMAKE_CXX_COMPILER_ID STREQUAL "GNU" AND _boost_COMPILER_VERSION_MAJOR VERSION_GREATER 4) OR CMAKE_CXX_COMPILER_ID STREQUAL "LCC")
-        set(_boost_COMPILER_VERSION "${_boost_COMPILER_VERSION_MAJOR}")
-      elseif(CMAKE_CXX_COMPILER_ID STREQUAL "Clang" AND _boost_COMPILER_VERSION_MAJOR VERSION_GREATER 3)
-        set(_boost_COMPILER_VERSION "${_boost_COMPILER_VERSION_MAJOR}")
-      endif()
-    endif()
-
-    if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU" OR CMAKE_CXX_COMPILER_ID STREQUAL "LCC")
-      if(Boost_VERSION_STRING VERSION_LESS 1.34)
-        set(_boost_COMPILER "-gcc") # no GCC version encoding prior to 1.34
-      else()
-        # Determine which version of GCC we have.
-        if(APPLE)
-          if(Boost_VERSION_STRING VERSION_LESS 1.36.0)
-            # In Boost <= 1.35.0, there is no mangled compiler name for
-            # the macOS/Darwin version of GCC.
-            set(_boost_COMPILER "")
-          else()
-            # In Boost 1.36.0 and newer, the mangled compiler name used
-            # on macOS/Darwin is "xgcc".
-            set(_boost_COMPILER "-xgcc${_boost_COMPILER_VERSION}")
-          endif()
-        else()
-          set(_boost_COMPILER "-gcc${_boost_COMPILER_VERSION}")
-        endif()
-      endif()
-    elseif(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
-      # TODO: Find out any Boost version constraints vs clang support.
-      set(_boost_COMPILER "-clang${_boost_COMPILER_VERSION}")
-    endif()
-  else()
-    set(_boost_COMPILER "")
-  endif()
-  _Boost_DEBUG_PRINT_VAR("${CMAKE_CURRENT_LIST_FILE}" "${CMAKE_CURRENT_LIST_LINE}"
-                         "_boost_COMPILER" SOURCE "guessed")
-  set(${_ret} ${_boost_COMPILER} PARENT_SCOPE)
-endfunction()
-
-#
-# Get component dependencies.  Requires the dependencies to have been
-# defined for the Boost release version.
-#
-# component - the component to check
-# _ret - list of library dependencies
-#
-function(_Boost_COMPONENT_DEPENDENCIES component _ret)
-  # Note: to add a new Boost release, run
-  #
-  #   % cmake -DBOOST_DIR=/path/to/boost/source -P Utilities/Scripts/BoostScanDeps.cmake
-  #
-  # The output may be added in a new block below.  If it's the same as
-  # the previous release, simply update the version range of the block
-  # for the previous release.  Also check if any new components have
-  # been added, and add any new components to
-  # _Boost_COMPONENT_HEADERS.
-  #
-  # This information was originally generated by running
-  # BoostScanDeps.cmake against every boost release to date supported
-  # by FindBoost:
-  #
-  #   % for version in /path/to/boost/sources/*
-  #     do
-  #       cmake -DBOOST_DIR=$version -P Utilities/Scripts/BoostScanDeps.cmake
-  #     done
-  #
-  # The output was then updated by search and replace with these regexes:
-  #
-  # - Strip message(STATUS) prefix dashes
-  #   s;^-- ;;
-  # - Indent
-  #   s;^set(;    set(;;
-  # - Add conditionals
-  #   s;Scanning /path/to/boost/sources/boost_\(.*\)_\(.*\)_\(.*);  elseif(NOT Boost_VERSION_STRING VERSION_LESS \1\.\2\.\3 AND Boost_VERSION_STRING VERSION_LESS xxxx);
-  #
-  # This results in the logic seen below, but will require the xxxx
-  # replacing with the following Boost release version (or the next
-  # minor version to be released, e.g. 1.59 was the latest at the time
-  # of writing, making 1.60 the next. Identical consecutive releases
-  # were then merged together by updating the end range of the first
-  # block and removing the following redundant blocks.
-  #
-  # Running the script against all historical releases should be
-  # required only if the BoostScanDeps.cmake script logic is changed.
-  # The addition of a new release should only require it to be run
-  # against the new release.
-
-  # Handle Python version suffixes
-  if(component MATCHES "^(python|mpi_python|numpy)([0-9][0-9]?|[0-9]\\.[0-9]+)\$")
-    set(component "${CMAKE_MATCH_1}")
-    set(component_python_version "${CMAKE_MATCH_2}")
-  endif()
-
-  set(_Boost_IMPORTED_TARGETS TRUE)
-  if(Boost_VERSION_STRING)
-    if(Boost_VERSION_STRING VERSION_LESS 1.33.0)
-      message(WARNING "Imported targets and dependency information not available for Boost version ${Boost_VERSION_STRING} (all versions older than 1.33)")
-      set(_Boost_IMPORTED_TARGETS FALSE)
-    elseif(Boost_VERSION_STRING VERSION_LESS 1.35.0)
-      set(_Boost_IOSTREAMS_DEPENDENCIES regex thread)
-      set(_Boost_REGEX_DEPENDENCIES thread)
-      set(_Boost_WAVE_DEPENDENCIES filesystem thread)
-      set(_Boost_WSERIALIZATION_DEPENDENCIES serialization)
-    elseif(Boost_VERSION_STRING VERSION_LESS 1.36.0)
-      set(_Boost_FILESYSTEM_DEPENDENCIES system)
-      set(_Boost_IOSTREAMS_DEPENDENCIES regex)
-      set(_Boost_MPI_DEPENDENCIES serialization)
-      set(_Boost_MPI_PYTHON_DEPENDENCIES python${component_python_version} mpi serialization)
-      set(_Boost_WAVE_DEPENDENCIES filesystem system thread)
-      set(_Boost_WSERIALIZATION_DEPENDENCIES serialization)
-    elseif(Boost_VERSION_STRING VERSION_LESS 1.38.0)
-      set(_Boost_FILESYSTEM_DEPENDENCIES system)
-      set(_Boost_IOSTREAMS_DEPENDENCIES regex)
-      set(_Boost_MATH_DEPENDENCIES math_c99 math_c99f math_c99l math_tr1 math_tr1f math_tr1l)
-      set(_Boost_MPI_DEPENDENCIES serialization)
-      set(_Boost_MPI_PYTHON_DEPENDENCIES python${component_python_version} mpi serialization)
-      set(_Boost_WAVE_DEPENDENCIES filesystem system thread)
-      set(_Boost_WSERIALIZATION_DEPENDENCIES serialization)
-    elseif(Boost_VERSION_STRING VERSION_LESS 1.43.0)
-      set(_Boost_FILESYSTEM_DEPENDENCIES system)
-      set(_Boost_IOSTREAMS_DEPENDENCIES regex)
-      set(_Boost_MATH_DEPENDENCIES math_c99 math_c99f math_c99l math_tr1 math_tr1f math_tr1l)
-      set(_Boost_MPI_DEPENDENCIES serialization)
-      set(_Boost_MPI_PYTHON_DEPENDENCIES python${component_python_version} mpi serialization)
-      set(_Boost_THREAD_DEPENDENCIES date_time)
-      set(_Boost_WAVE_DEPENDENCIES filesystem system thread date_time)
-      set(_Boost_WSERIALIZATION_DEPENDENCIES serialization)
-    elseif(Boost_VERSION_STRING VERSION_LESS 1.44.0)
-      set(_Boost_FILESYSTEM_DEPENDENCIES system)
-      set(_Boost_IOSTREAMS_DEPENDENCIES regex)
-      set(_Boost_MATH_DEPENDENCIES math_c99 math_c99f math_c99l math_tr1 math_tr1f math_tr1l random)
-      set(_Boost_MPI_DEPENDENCIES serialization)
-      set(_Boost_MPI_PYTHON_DEPENDENCIES python${component_python_version} mpi serialization)
-      set(_Boost_THREAD_DEPENDENCIES date_time)
-      set(_Boost_WAVE_DEPENDENCIES filesystem system thread date_time)
-      set(_Boost_WSERIALIZATION_DEPENDENCIES serialization)
-    elseif(Boost_VERSION_STRING VERSION_LESS 1.45.0)
-      set(_Boost_FILESYSTEM_DEPENDENCIES system)
-      set(_Boost_IOSTREAMS_DEPENDENCIES regex)
-      set(_Boost_MATH_DEPENDENCIES math_c99 math_c99f math_c99l math_tr1 math_tr1f math_tr1l random serialization)
-      set(_Boost_MPI_DEPENDENCIES serialization)
-      set(_Boost_MPI_PYTHON_DEPENDENCIES python${component_python_version} mpi serialization)
-      set(_Boost_THREAD_DEPENDENCIES date_time)
-      set(_Boost_WAVE_DEPENDENCIES serialization filesystem system thread date_time)
-      set(_Boost_WSERIALIZATION_DEPENDENCIES serialization)
-    elseif(Boost_VERSION_STRING VERSION_LESS 1.47.0)
-      set(_Boost_FILESYSTEM_DEPENDENCIES system)
-      set(_Boost_IOSTREAMS_DEPENDENCIES regex)
-      set(_Boost_MATH_DEPENDENCIES math_c99 math_c99f math_c99l math_tr1 math_tr1f math_tr1l random)
-      set(_Boost_MPI_DEPENDENCIES serialization)
-      set(_Boost_MPI_PYTHON_DEPENDENCIES python${component_python_version} mpi serialization)
-      set(_Boost_THREAD_DEPENDENCIES date_time)
-      set(_Boost_WAVE_DEPENDENCIES filesystem system serialization thread date_time)
-      set(_Boost_WSERIALIZATION_DEPENDENCIES serialization)
-    elseif(Boost_VERSION_STRING VERSION_LESS 1.48.0)
-      set(_Boost_CHRONO_DEPENDENCIES system)
-      set(_Boost_FILESYSTEM_DEPENDENCIES system)
-      set(_Boost_IOSTREAMS_DEPENDENCIES regex)
-      set(_Boost_MATH_DEPENDENCIES math_c99 math_c99f math_c99l math_tr1 math_tr1f math_tr1l random)
-      set(_Boost_MPI_DEPENDENCIES serialization)
-      set(_Boost_MPI_PYTHON_DEPENDENCIES python${component_python_version} mpi serialization)
-      set(_Boost_THREAD_DEPENDENCIES date_time)
-      set(_Boost_WAVE_DEPENDENCIES filesystem system serialization thread date_time)
-      set(_Boost_WSERIALIZATION_DEPENDENCIES serialization)
-    elseif(Boost_VERSION_STRING VERSION_LESS 1.50.0)
-      set(_Boost_CHRONO_DEPENDENCIES system)
-      set(_Boost_FILESYSTEM_DEPENDENCIES system)
-      set(_Boost_IOSTREAMS_DEPENDENCIES regex)
-      set(_Boost_MATH_DEPENDENCIES math_c99 math_c99f math_c99l math_tr1 math_tr1f math_tr1l random)
-      set(_Boost_MPI_DEPENDENCIES serialization)
-      set(_Boost_MPI_PYTHON_DEPENDENCIES python${component_python_version} mpi serialization)
-      set(_Boost_THREAD_DEPENDENCIES date_time)
-      set(_Boost_TIMER_DEPENDENCIES chrono system)
-      set(_Boost_WAVE_DEPENDENCIES filesystem system serialization thread date_time)
-      set(_Boost_WSERIALIZATION_DEPENDENCIES serialization)
-    elseif(Boost_VERSION_STRING VERSION_LESS 1.53.0)
-      set(_Boost_CHRONO_DEPENDENCIES system)
-      set(_Boost_FILESYSTEM_DEPENDENCIES system)
-      set(_Boost_IOSTREAMS_DEPENDENCIES regex)
-      set(_Boost_MATH_DEPENDENCIES math_c99 math_c99f math_c99l math_tr1 math_tr1f math_tr1l regex random)
-      set(_Boost_MPI_DEPENDENCIES serialization)
-      set(_Boost_MPI_PYTHON_DEPENDENCIES python${component_python_version} mpi serialization)
-      set(_Boost_THREAD_DEPENDENCIES chrono system date_time)
-      set(_Boost_TIMER_DEPENDENCIES chrono system)
-      set(_Boost_WAVE_DEPENDENCIES filesystem system serialization thread chrono date_time)
-      set(_Boost_WSERIALIZATION_DEPENDENCIES serialization)
-    elseif(Boost_VERSION_STRING VERSION_LESS 1.54.0)
-      set(_Boost_ATOMIC_DEPENDENCIES thread chrono system date_time)
-      set(_Boost_CHRONO_DEPENDENCIES system)
-      set(_Boost_FILESYSTEM_DEPENDENCIES system)
-      set(_Boost_IOSTREAMS_DEPENDENCIES regex)
-      set(_Boost_MATH_DEPENDENCIES math_c99 math_c99f math_c99l math_tr1 math_tr1f math_tr1l regex random)
-      set(_Boost_MPI_DEPENDENCIES serialization)
-      set(_Boost_MPI_PYTHON_DEPENDENCIES python${component_python_version} mpi serialization)
-      set(_Boost_THREAD_DEPENDENCIES chrono system date_time atomic)
-      set(_Boost_TIMER_DEPENDENCIES chrono system)
-      set(_Boost_WAVE_DEPENDENCIES filesystem system serialization thread chrono date_time)
-      set(_Boost_WSERIALIZATION_DEPENDENCIES serialization)
-    elseif(Boost_VERSION_STRING VERSION_LESS 1.55.0)
-      set(_Boost_ATOMIC_DEPENDENCIES thread chrono system date_time)
-      set(_Boost_CHRONO_DEPENDENCIES system)
-      set(_Boost_FILESYSTEM_DEPENDENCIES system)
-      set(_Boost_IOSTREAMS_DEPENDENCIES regex)
-      set(_Boost_LOG_DEPENDENCIES log_setup date_time system filesystem thread regex chrono)
-      set(_Boost_MATH_DEPENDENCIES math_c99 math_c99f math_c99l math_tr1 math_tr1f math_tr1l regex random)
-      set(_Boost_MPI_DEPENDENCIES serialization)
-      set(_Boost_MPI_PYTHON_DEPENDENCIES python${component_python_version} mpi serialization)
-      set(_Boost_THREAD_DEPENDENCIES chrono system date_time atomic)
-      set(_Boost_TIMER_DEPENDENCIES chrono system)
-      set(_Boost_WAVE_DEPENDENCIES filesystem system serialization thread chrono date_time atomic)
-      set(_Boost_WSERIALIZATION_DEPENDENCIES serialization)
-    elseif(Boost_VERSION_STRING VERSION_LESS 1.56.0)
-      set(_Boost_CHRONO_DEPENDENCIES system)
-      set(_Boost_COROUTINE_DEPENDENCIES context system)
-      set(_Boost_FILESYSTEM_DEPENDENCIES system)
-      set(_Boost_IOSTREAMS_DEPENDENCIES regex)
-      set(_Boost_LOG_DEPENDENCIES log_setup date_time system filesystem thread regex chrono)
-      set(_Boost_MATH_DEPENDENCIES math_c99 math_c99f math_c99l math_tr1 math_tr1f math_tr1l regex random)
-      set(_Boost_MPI_DEPENDENCIES serialization)
-      set(_Boost_MPI_PYTHON_DEPENDENCIES python${component_python_version} mpi serialization)
-      set(_Boost_THREAD_DEPENDENCIES chrono system date_time atomic)
-      set(_Boost_TIMER_DEPENDENCIES chrono system)
-      set(_Boost_WAVE_DEPENDENCIES filesystem system serialization thread chrono date_time atomic)
-      set(_Boost_WSERIALIZATION_DEPENDENCIES serialization)
-    elseif(Boost_VERSION_STRING VERSION_LESS 1.59.0)
-      set(_Boost_CHRONO_DEPENDENCIES system)
-      set(_Boost_COROUTINE_DEPENDENCIES context system)
-      set(_Boost_FILESYSTEM_DEPENDENCIES system)
-      set(_Boost_IOSTREAMS_DEPENDENCIES regex)
-      set(_Boost_LOG_DEPENDENCIES log_setup date_time system filesystem thread regex chrono)
-      set(_Boost_MATH_DEPENDENCIES math_c99 math_c99f math_c99l math_tr1 math_tr1f math_tr1l atomic)
-      set(_Boost_MPI_DEPENDENCIES serialization)
-      set(_Boost_MPI_PYTHON_DEPENDENCIES python${component_python_version} mpi serialization)
-      set(_Boost_RANDOM_DEPENDENCIES system)
-      set(_Boost_THREAD_DEPENDENCIES chrono system date_time atomic)
-      set(_Boost_TIMER_DEPENDENCIES chrono system)
-      set(_Boost_WAVE_DEPENDENCIES filesystem system serialization thread chrono date_time atomic)
-      set(_Boost_WSERIALIZATION_DEPENDENCIES serialization)
-    elseif(Boost_VERSION_STRING VERSION_LESS 1.60.0)
-      set(_Boost_CHRONO_DEPENDENCIES system)
-      set(_Boost_COROUTINE_DEPENDENCIES context system)
-      set(_Boost_FILESYSTEM_DEPENDENCIES system)
-      set(_Boost_IOSTREAMS_DEPENDENCIES regex)
-      set(_Boost_LOG_DEPENDENCIES log_setup date_time system filesystem thread regex chrono atomic)
-      set(_Boost_MATH_DEPENDENCIES math_c99 math_c99f math_c99l math_tr1 math_tr1f math_tr1l atomic)
-      set(_Boost_MPI_DEPENDENCIES serialization)
-      set(_Boost_MPI_PYTHON_DEPENDENCIES python${component_python_version} mpi serialization)
-      set(_Boost_RANDOM_DEPENDENCIES system)
-      set(_Boost_THREAD_DEPENDENCIES chrono system date_time atomic)
-      set(_Boost_TIMER_DEPENDENCIES chrono system)
-      set(_Boost_WAVE_DEPENDENCIES filesystem system serialization thread chrono date_time atomic)
-      set(_Boost_WSERIALIZATION_DEPENDENCIES serialization)
-    elseif(Boost_VERSION_STRING VERSION_LESS 1.61.0)
-      set(_Boost_CHRONO_DEPENDENCIES system)
-      set(_Boost_COROUTINE_DEPENDENCIES context system)
-      set(_Boost_FILESYSTEM_DEPENDENCIES system)
-      set(_Boost_IOSTREAMS_DEPENDENCIES regex)
-      set(_Boost_LOG_DEPENDENCIES date_time log_setup system filesystem thread regex chrono atomic)
-      set(_Boost_MATH_DEPENDENCIES math_c99 math_c99f math_c99l math_tr1 math_tr1f math_tr1l atomic)
-      set(_Boost_MPI_DEPENDENCIES serialization)
-      set(_Boost_MPI_PYTHON_DEPENDENCIES python${component_python_version} mpi serialization)
-      set(_Boost_RANDOM_DEPENDENCIES system)
-      set(_Boost_THREAD_DEPENDENCIES chrono system date_time atomic)
-      set(_Boost_TIMER_DEPENDENCIES chrono system)
-      set(_Boost_WAVE_DEPENDENCIES filesystem system serialization thread chrono date_time atomic)
-      set(_Boost_WSERIALIZATION_DEPENDENCIES serialization)
-    elseif(Boost_VERSION_STRING VERSION_LESS 1.62.0)
-      set(_Boost_CHRONO_DEPENDENCIES system)
-      set(_Boost_CONTEXT_DEPENDENCIES thread chrono system date_time)
-      set(_Boost_COROUTINE_DEPENDENCIES context system)
-      set(_Boost_FILESYSTEM_DEPENDENCIES system)
-      set(_Boost_IOSTREAMS_DEPENDENCIES regex)
-      set(_Boost_LOG_DEPENDENCIES date_time log_setup system filesystem thread regex chrono atomic)
-      set(_Boost_MATH_DEPENDENCIES math_c99 math_c99f math_c99l math_tr1 math_tr1f math_tr1l atomic)
-      set(_Boost_MPI_DEPENDENCIES serialization)
-      set(_Boost_MPI_PYTHON_DEPENDENCIES python${component_python_version} mpi serialization)
-      set(_Boost_RANDOM_DEPENDENCIES system)
-      set(_Boost_THREAD_DEPENDENCIES chrono system date_time atomic)
-      set(_Boost_WAVE_DEPENDENCIES filesystem system serialization thread chrono date_time atomic)
-      set(_Boost_WSERIALIZATION_DEPENDENCIES serialization)
-    elseif(Boost_VERSION_STRING VERSION_LESS 1.63.0)
-      set(_Boost_CHRONO_DEPENDENCIES system)
-      set(_Boost_CONTEXT_DEPENDENCIES thread chrono system date_time)
-      set(_Boost_COROUTINE_DEPENDENCIES context system)
-      set(_Boost_FIBER_DEPENDENCIES context thread chrono system date_time)
-      set(_Boost_FILESYSTEM_DEPENDENCIES system)
-      set(_Boost_IOSTREAMS_DEPENDENCIES regex)
-      set(_Boost_LOG_DEPENDENCIES date_time log_setup system filesystem thread regex chrono atomic)
-      set(_Boost_MATH_DEPENDENCIES math_c99 math_c99f math_c99l math_tr1 math_tr1f math_tr1l atomic)
-      set(_Boost_MPI_DEPENDENCIES serialization)
-      set(_Boost_MPI_PYTHON_DEPENDENCIES python${component_python_version} mpi serialization)
-      set(_Boost_RANDOM_DEPENDENCIES system)
-      set(_Boost_THREAD_DEPENDENCIES chrono system date_time atomic)
-      set(_Boost_WAVE_DEPENDENCIES filesystem system serialization thread chrono date_time atomic)
-      set(_Boost_WSERIALIZATION_DEPENDENCIES serialization)
-    elseif(Boost_VERSION_STRING VERSION_LESS 1.65.0)
-      set(_Boost_CHRONO_DEPENDENCIES system)
-      set(_Boost_CONTEXT_DEPENDENCIES thread chrono system date_time)
-      set(_Boost_COROUTINE_DEPENDENCIES context system)
-      set(_Boost_COROUTINE2_DEPENDENCIES context fiber thread chrono system date_time)
-      set(_Boost_FIBER_DEPENDENCIES context thread chrono system date_time)
-      set(_Boost_FILESYSTEM_DEPENDENCIES system)
-      set(_Boost_IOSTREAMS_DEPENDENCIES regex)
-      set(_Boost_LOG_DEPENDENCIES date_time log_setup system filesystem thread regex chrono atomic)
-      set(_Boost_MATH_DEPENDENCIES math_c99 math_c99f math_c99l math_tr1 math_tr1f math_tr1l atomic)
-      set(_Boost_MPI_DEPENDENCIES serialization)
-      set(_Boost_MPI_PYTHON_DEPENDENCIES python${component_python_version} mpi serialization)
-      set(_Boost_RANDOM_DEPENDENCIES system)
-      set(_Boost_THREAD_DEPENDENCIES chrono system date_time atomic)
-      set(_Boost_WAVE_DEPENDENCIES filesystem system serialization thread chrono date_time atomic)
-      set(_Boost_WSERIALIZATION_DEPENDENCIES serialization)
-    elseif(Boost_VERSION_STRING VERSION_LESS 1.67.0)
-      set(_Boost_CHRONO_DEPENDENCIES system)
-      set(_Boost_CONTEXT_DEPENDENCIES thread chrono system date_time)
-      set(_Boost_COROUTINE_DEPENDENCIES context system)
-      set(_Boost_FIBER_DEPENDENCIES context thread chrono system date_time)
-      set(_Boost_FILESYSTEM_DEPENDENCIES system)
-      set(_Boost_IOSTREAMS_DEPENDENCIES regex)
-      set(_Boost_LOG_DEPENDENCIES date_time log_setup system filesystem thread regex chrono atomic)
-      set(_Boost_MATH_DEPENDENCIES math_c99 math_c99f math_c99l math_tr1 math_tr1f math_tr1l atomic)
-      set(_Boost_MPI_DEPENDENCIES serialization)
-      set(_Boost_MPI_PYTHON_DEPENDENCIES python${component_python_version} mpi serialization)
-      set(_Boost_NUMPY_DEPENDENCIES python${component_python_version})
-      set(_Boost_RANDOM_DEPENDENCIES system)
-      set(_Boost_THREAD_DEPENDENCIES chrono system date_time atomic)
-      set(_Boost_TIMER_DEPENDENCIES chrono system)
-      set(_Boost_WAVE_DEPENDENCIES filesystem system serialization thread chrono date_time atomic)
-      set(_Boost_WSERIALIZATION_DEPENDENCIES serialization)
-    elseif(Boost_VERSION_STRING VERSION_LESS 1.68.0)
-      set(_Boost_CHRONO_DEPENDENCIES system)
-      set(_Boost_CONTEXT_DEPENDENCIES thread chrono system date_time)
-      set(_Boost_COROUTINE_DEPENDENCIES context system)
-      set(_Boost_FIBER_DEPENDENCIES context thread chrono system date_time)
-      set(_Boost_FILESYSTEM_DEPENDENCIES system)
-      set(_Boost_IOSTREAMS_DEPENDENCIES regex)
-      set(_Boost_LOG_DEPENDENCIES date_time log_setup system filesystem thread regex chrono atomic)
-      set(_Boost_MATH_DEPENDENCIES math_c99 math_c99f math_c99l math_tr1 math_tr1f math_tr1l atomic)
-      set(_Boost_MPI_DEPENDENCIES serialization)
-      set(_Boost_MPI_PYTHON_DEPENDENCIES python${component_python_version} mpi serialization)
-      set(_Boost_NUMPY_DEPENDENCIES python${component_python_version})
-      set(_Boost_RANDOM_DEPENDENCIES system)
-      set(_Boost_THREAD_DEPENDENCIES chrono system date_time atomic)
-      set(_Boost_TIMER_DEPENDENCIES chrono system)
-      set(_Boost_WAVE_DEPENDENCIES filesystem system serialization thread chrono date_time atomic)
-      set(_Boost_WSERIALIZATION_DEPENDENCIES serialization)
-    elseif(Boost_VERSION_STRING VERSION_LESS 1.69.0)
-      set(_Boost_CHRONO_DEPENDENCIES system)
-      set(_Boost_CONTEXT_DEPENDENCIES thread chrono system date_time)
-      set(_Boost_CONTRACT_DEPENDENCIES thread chrono system date_time)
-      set(_Boost_COROUTINE_DEPENDENCIES context system)
-      set(_Boost_FIBER_DEPENDENCIES context thread chrono system date_time)
-      set(_Boost_FILESYSTEM_DEPENDENCIES system)
-      set(_Boost_IOSTREAMS_DEPENDENCIES regex)
-      set(_Boost_LOG_DEPENDENCIES date_time log_setup system filesystem thread regex chrono atomic)
-      set(_Boost_MATH_DEPENDENCIES math_c99 math_c99f math_c99l math_tr1 math_tr1f math_tr1l atomic)
-      set(_Boost_MPI_DEPENDENCIES serialization)
-      set(_Boost_MPI_PYTHON_DEPENDENCIES python${component_python_version} mpi serialization)
-      set(_Boost_NUMPY_DEPENDENCIES python${component_python_version})
-      set(_Boost_RANDOM_DEPENDENCIES system)
-      set(_Boost_THREAD_DEPENDENCIES chrono system date_time atomic)
-      set(_Boost_TIMER_DEPENDENCIES chrono system)
-      set(_Boost_WAVE_DEPENDENCIES filesystem system serialization thread chrono date_time atomic)
-      set(_Boost_WSERIALIZATION_DEPENDENCIES serialization)
-    elseif(Boost_VERSION_STRING VERSION_LESS 1.70.0)
-      set(_Boost_CONTRACT_DEPENDENCIES thread chrono date_time)
-      set(_Boost_COROUTINE_DEPENDENCIES context)
-      set(_Boost_FIBER_DEPENDENCIES context)
-      set(_Boost_IOSTREAMS_DEPENDENCIES regex)
-      set(_Boost_LOG_DEPENDENCIES date_time log_setup filesystem thread regex chrono atomic)
-      set(_Boost_MATH_DEPENDENCIES math_c99 math_c99f math_c99l math_tr1 math_tr1f math_tr1l atomic)
-      set(_Boost_MPI_DEPENDENCIES serialization)
-      set(_Boost_MPI_PYTHON_DEPENDENCIES python${component_python_version} mpi serialization)
-      set(_Boost_NUMPY_DEPENDENCIES python${component_python_version})
-      set(_Boost_THREAD_DEPENDENCIES chrono date_time atomic)
-      set(_Boost_TIMER_DEPENDENCIES chrono system)
-      set(_Boost_WAVE_DEPENDENCIES filesystem serialization thread chrono date_time atomic)
-      set(_Boost_WSERIALIZATION_DEPENDENCIES serialization)
-    elseif(Boost_VERSION_STRING VERSION_LESS 1.72.0)
-      set(_Boost_CONTRACT_DEPENDENCIES thread chrono date_time)
-      set(_Boost_COROUTINE_DEPENDENCIES context)
-      set(_Boost_FIBER_DEPENDENCIES context)
-      set(_Boost_IOSTREAMS_DEPENDENCIES regex)
-      set(_Boost_LOG_DEPENDENCIES date_time log_setup filesystem thread regex chrono atomic)
-      set(_Boost_MATH_DEPENDENCIES math_c99 math_c99f math_c99l math_tr1 math_tr1f math_tr1l atomic)
-      set(_Boost_MPI_DEPENDENCIES serialization)
-      set(_Boost_MPI_PYTHON_DEPENDENCIES python${component_python_version} mpi serialization)
-      set(_Boost_NUMPY_DEPENDENCIES python${component_python_version})
-      set(_Boost_THREAD_DEPENDENCIES chrono date_time atomic)
-      set(_Boost_TIMER_DEPENDENCIES chrono)
-      set(_Boost_WAVE_DEPENDENCIES filesystem serialization thread chrono date_time atomic)
-      set(_Boost_WSERIALIZATION_DEPENDENCIES serialization)
-    elseif(Boost_VERSION_STRING VERSION_LESS 1.73.0)
-      set(_Boost_CONTRACT_DEPENDENCIES thread chrono date_time)
-      set(_Boost_COROUTINE_DEPENDENCIES context)
-      set(_Boost_FIBER_DEPENDENCIES context)
-      set(_Boost_IOSTREAMS_DEPENDENCIES regex)
-      set(_Boost_LOG_DEPENDENCIES date_time log_setup filesystem thread regex chrono atomic)
-      set(_Boost_MATH_DEPENDENCIES math_c99 math_c99f math_c99l math_tr1 math_tr1f math_tr1l chrono atomic)
-      set(_Boost_MPI_DEPENDENCIES serialization)
-      set(_Boost_MPI_PYTHON_DEPENDENCIES python${component_python_version} mpi serialization)
-      set(_Boost_NUMPY_DEPENDENCIES python${component_python_version})
-      set(_Boost_THREAD_DEPENDENCIES chrono date_time atomic)
-      set(_Boost_TIMER_DEPENDENCIES chrono)
-      set(_Boost_WAVE_DEPENDENCIES filesystem serialization thread chrono date_time atomic)
-      set(_Boost_WSERIALIZATION_DEPENDENCIES serialization)
-    elseif(Boost_VERSION_STRING VERSION_LESS 1.75.0)
-      set(_Boost_CONTRACT_DEPENDENCIES thread chrono date_time)
-      set(_Boost_COROUTINE_DEPENDENCIES context)
-      set(_Boost_FIBER_DEPENDENCIES context)
-      set(_Boost_IOSTREAMS_DEPENDENCIES regex)
-      set(_Boost_LOG_DEPENDENCIES date_time log_setup filesystem thread regex chrono atomic)
-      set(_Boost_MATH_DEPENDENCIES math_c99 math_c99f math_c99l math_tr1 math_tr1f math_tr1l atomic)
-      set(_Boost_MPI_DEPENDENCIES serialization)
-      set(_Boost_MPI_PYTHON_DEPENDENCIES python${component_python_version} mpi serialization)
-      set(_Boost_NUMPY_DEPENDENCIES python${component_python_version})
-      set(_Boost_THREAD_DEPENDENCIES chrono date_time atomic)
-      set(_Boost_TIMER_DEPENDENCIES chrono)
-      set(_Boost_WAVE_DEPENDENCIES filesystem serialization thread chrono date_time atomic)
-      set(_Boost_WSERIALIZATION_DEPENDENCIES serialization)
-    elseif(Boost_VERSION_STRING VERSION_LESS 1.77.0)
-      set(_Boost_CONTRACT_DEPENDENCIES thread chrono date_time)
-      set(_Boost_COROUTINE_DEPENDENCIES context)
-      set(_Boost_FIBER_DEPENDENCIES context)
-      set(_Boost_IOSTREAMS_DEPENDENCIES regex)
-      set(_Boost_JSON_DEPENDENCIES container)
-      set(_Boost_LOG_DEPENDENCIES date_time log_setup filesystem thread regex chrono atomic)
-      set(_Boost_MATH_DEPENDENCIES math_c99 math_c99f math_c99l math_tr1 math_tr1f math_tr1l atomic)
-      set(_Boost_MPI_DEPENDENCIES serialization)
-      set(_Boost_MPI_PYTHON_DEPENDENCIES python${component_python_version} mpi serialization)
-      set(_Boost_NUMPY_DEPENDENCIES python${component_python_version})
-      set(_Boost_THREAD_DEPENDENCIES chrono date_time atomic)
-      set(_Boost_TIMER_DEPENDENCIES chrono)
-      set(_Boost_WAVE_DEPENDENCIES filesystem serialization thread chrono date_time atomic)
-      set(_Boost_WSERIALIZATION_DEPENDENCIES serialization)
-    elseif(Boost_VERSION_STRING VERSION_LESS 1.78.0)
-      set(_Boost_CONTRACT_DEPENDENCIES thread chrono)
-      set(_Boost_COROUTINE_DEPENDENCIES context)
-      set(_Boost_FIBER_DEPENDENCIES context)
-      set(_Boost_IOSTREAMS_DEPENDENCIES regex)
-      set(_Boost_JSON_DEPENDENCIES container)
-      set(_Boost_LOG_DEPENDENCIES date_time log_setup filesystem thread regex chrono atomic)
-      set(_Boost_MATH_DEPENDENCIES math_c99 math_c99f math_c99l math_tr1 math_tr1f math_tr1l)
-      set(_Boost_MPI_DEPENDENCIES serialization)
-      set(_Boost_MPI_PYTHON_DEPENDENCIES python${component_python_version} mpi serialization)
-      set(_Boost_NUMPY_DEPENDENCIES python${component_python_version})
-      set(_Boost_THREAD_DEPENDENCIES chrono atomic)
-      set(_Boost_TIMER_DEPENDENCIES chrono)
-      set(_Boost_WAVE_DEPENDENCIES filesystem serialization thread chrono atomic)
-      set(_Boost_WSERIALIZATION_DEPENDENCIES serialization)
-    elseif(Boost_VERSION_STRING VERSION_LESS 1.83.0)
-      set(_Boost_CONTRACT_DEPENDENCIES thread chrono)
-      set(_Boost_COROUTINE_DEPENDENCIES context)
-      set(_Boost_FIBER_DEPENDENCIES context)
-      set(_Boost_IOSTREAMS_DEPENDENCIES regex)
-      set(_Boost_JSON_DEPENDENCIES container)
-      set(_Boost_LOG_DEPENDENCIES log_setup filesystem thread regex chrono atomic)
-      set(_Boost_MATH_DEPENDENCIES math_c99 math_c99f math_c99l math_tr1 math_tr1f math_tr1l)
-      set(_Boost_MPI_DEPENDENCIES serialization)
-      set(_Boost_MPI_PYTHON_DEPENDENCIES python${component_python_version} mpi serialization)
-      set(_Boost_NUMPY_DEPENDENCIES python${component_python_version})
-      set(_Boost_THREAD_DEPENDENCIES chrono atomic)
-      set(_Boost_TIMER_DEPENDENCIES chrono)
-      set(_Boost_WAVE_DEPENDENCIES filesystem serialization thread chrono atomic)
-      set(_Boost_WSERIALIZATION_DEPENDENCIES serialization)
-    elseif(Boost_VERSION_STRING VERSION_LESS 1.87.0)
-      set(_Boost_CONTRACT_DEPENDENCIES thread chrono)
-      set(_Boost_COROUTINE_DEPENDENCIES context)
-      set(_Boost_FIBER_DEPENDENCIES context)
-      set(_Boost_IOSTREAMS_DEPENDENCIES regex)
-      set(_Boost_JSON_DEPENDENCIES container)
-      set(_Boost_LOG_DEPENDENCIES log_setup filesystem thread regex chrono atomic)
-      set(_Boost_MATH_DEPENDENCIES math_c99 math_c99f math_c99l math_tr1 math_tr1f math_tr1l)
-      set(_Boost_MPI_DEPENDENCIES serialization)
-      set(_Boost_MPI_PYTHON_DEPENDENCIES python${component_python_version} mpi serialization)
-      set(_Boost_NUMPY_DEPENDENCIES python${component_python_version})
-      set(_Boost_THREAD_DEPENDENCIES chrono atomic)
-      set(_Boost_WAVE_DEPENDENCIES filesystem serialization thread chrono atomic)
-      set(_Boost_WSERIALIZATION_DEPENDENCIES serialization)
-    else()
-      set(_Boost_CONTRACT_DEPENDENCIES thread chrono)
-      set(_Boost_COROUTINE_DEPENDENCIES context)
-      set(_Boost_FIBER_DEPENDENCIES context)
-      set(_Boost_IOSTREAMS_DEPENDENCIES regex)
-      set(_Boost_JSON_DEPENDENCIES container)
-      set(_Boost_LOG_DEPENDENCIES log_setup filesystem thread regex atomic)
-      set(_Boost_MATH_DEPENDENCIES math_c99 math_c99f math_c99l math_tr1 math_tr1f math_tr1l)
-      set(_Boost_MPI_DEPENDENCIES serialization)
-      set(_Boost_MPI_PYTHON_DEPENDENCIES python${component_python_version} mpi serialization)
-      set(_Boost_NUMPY_DEPENDENCIES python${component_python_version})
-      set(_Boost_PROCESS_DEPENDENCIES filesystem)
-      set(_Boost_THREAD_DEPENDENCIES chrono atomic)
-      set(_Boost_WAVE_DEPENDENCIES filesystem serialization thread chrono atomic)
-      set(_Boost_WSERIALIZATION_DEPENDENCIES serialization)
-      if(Boost_VERSION_STRING VERSION_GREATER_EQUAL 1.89.0 AND NOT Boost_NO_WARN_NEW_VERSIONS)
-        message(WARNING "New Boost version may have incorrect or missing dependencies and imported targets")
-      endif()
-    endif()
-  endif()
-
-  string(TOUPPER ${component} uppercomponent)
-  set(${_ret} ${_Boost_${uppercomponent}_DEPENDENCIES} PARENT_SCOPE)
-  set(_Boost_IMPORTED_TARGETS ${_Boost_IMPORTED_TARGETS} PARENT_SCOPE)
-
-  string(REGEX REPLACE ";" " " _boost_DEPS_STRING "${_Boost_${uppercomponent}_DEPENDENCIES}")
-  if (NOT _boost_DEPS_STRING)
-    set(_boost_DEPS_STRING "(none)")
-  endif()
-  # message(STATUS "Dependencies for Boost::${component}: ${_boost_DEPS_STRING}")
-endfunction()
-
-#
-# Get component headers.  This is the primary header (or headers) for
-# a given component, and is used to check that the headers are present
-# as well as the library itself as an extra sanity check of the build
-# environment.
-#
-# component - the component to check
-# _hdrs
-#
-function(_Boost_COMPONENT_HEADERS component _hdrs)
-  # Handle Python version suffixes
-  if(component MATCHES "^(python|mpi_python|numpy)([0-9]+|[0-9]\\.[0-9]+)\$")
-    set(component "${CMAKE_MATCH_1}")
-    set(component_python_version "${CMAKE_MATCH_2}")
-  endif()
-
-  # Note: new boost components will require adding here.  The header
-  # must be present in all versions of Boost providing a library.
-  set(_Boost_ATOMIC_HEADERS              "boost/atomic.hpp")
-  set(_Boost_CHRONO_HEADERS              "boost/chrono.hpp")
-  set(_Boost_CONTAINER_HEADERS           "boost/container/container_fwd.hpp")
-  set(_Boost_CONTRACT_HEADERS            "boost/contract.hpp")
-  if(Boost_VERSION_STRING VERSION_LESS 1.61.0)
-    set(_Boost_CONTEXT_HEADERS           "boost/context/all.hpp")
-  else()
-    set(_Boost_CONTEXT_HEADERS           "boost/context/detail/fcontext.hpp")
-  endif()
-  set(_Boost_COROUTINE_HEADERS           "boost/coroutine/all.hpp")
-  set(_Boost_DATE_TIME_HEADERS           "boost/date_time/date.hpp")
-  set(_Boost_EXCEPTION_HEADERS           "boost/exception/exception.hpp")
-  set(_Boost_FIBER_HEADERS               "boost/fiber/all.hpp")
-  set(_Boost_FILESYSTEM_HEADERS          "boost/filesystem/path.hpp")
-  set(_Boost_GRAPH_HEADERS               "boost/graph/adjacency_list.hpp")
-  set(_Boost_GRAPH_PARALLEL_HEADERS      "boost/graph/adjacency_list.hpp")
-  set(_Boost_IOSTREAMS_HEADERS           "boost/iostreams/stream.hpp")
-  set(_Boost_LOCALE_HEADERS              "boost/locale.hpp")
-  set(_Boost_LOG_HEADERS                 "boost/log/core.hpp")
-  set(_Boost_LOG_SETUP_HEADERS           "boost/log/detail/setup_config.hpp")
-  set(_Boost_JSON_HEADERS                "boost/json.hpp")
-  set(_Boost_MATH_HEADERS                "boost/math_fwd.hpp")
-  set(_Boost_MATH_C99_HEADERS            "boost/math/tr1.hpp")
-  set(_Boost_MATH_C99F_HEADERS           "boost/math/tr1.hpp")
-  set(_Boost_MATH_C99L_HEADERS           "boost/math/tr1.hpp")
-  set(_Boost_MATH_TR1_HEADERS            "boost/math/tr1.hpp")
-  set(_Boost_MATH_TR1F_HEADERS           "boost/math/tr1.hpp")
-  set(_Boost_MATH_TR1L_HEADERS           "boost/math/tr1.hpp")
-  set(_Boost_MPI_HEADERS                 "boost/mpi.hpp")
-  set(_Boost_MPI_PYTHON_HEADERS          "boost/mpi/python/config.hpp")
-  set(_Boost_MYSQL_HEADERS               "boost/mysql.hpp")
-  set(_Boost_NUMPY_HEADERS               "boost/python/numpy.hpp")
-  set(_Boost_NOWIDE_HEADERS              "boost/nowide/cstdlib.hpp")
-  set(_Boost_PRG_EXEC_MONITOR_HEADERS    "boost/test/prg_exec_monitor.hpp")
-  set(_Boost_PROGRAM_OPTIONS_HEADERS     "boost/program_options.hpp")
-  set(_Boost_PYTHON_HEADERS              "boost/python.hpp")
-  set(_Boost_RANDOM_HEADERS              "boost/random.hpp")
-  set(_Boost_REGEX_HEADERS               "boost/regex.hpp")
-  set(_Boost_SERIALIZATION_HEADERS       "boost/serialization/serialization.hpp")
-  set(_Boost_SIGNALS_HEADERS             "boost/signals.hpp")
-  set(_Boost_STACKTRACE_ADDR2LINE_HEADERS "boost/stacktrace.hpp")
-  set(_Boost_STACKTRACE_BACKTRACE_HEADERS "boost/stacktrace.hpp")
-  set(_Boost_STACKTRACE_BASIC_HEADERS    "boost/stacktrace.hpp")
-  set(_Boost_STACKTRACE_NOOP_HEADERS     "boost/stacktrace.hpp")
-  set(_Boost_STACKTRACE_WINDBG_CACHED_HEADERS "boost/stacktrace.hpp")
-  set(_Boost_STACKTRACE_WINDBG_HEADERS   "boost/stacktrace.hpp")
-  set(_Boost_SYSTEM_HEADERS              "boost/system/config.hpp")
-  set(_Boost_TEST_EXEC_MONITOR_HEADERS   "boost/test/test_exec_monitor.hpp")
-  set(_Boost_THREAD_HEADERS              "boost/thread.hpp")
-  set(_Boost_TIMER_HEADERS               "boost/timer.hpp")
-  set(_Boost_TYPE_ERASURE_HEADERS        "boost/type_erasure/config.hpp")
-  set(_Boost_UNIT_TEST_FRAMEWORK_HEADERS "boost/test/framework.hpp")
-  set(_Boost_URL_HEADERS                 "boost/url.hpp")
-  set(_Boost_WAVE_HEADERS                "boost/wave.hpp")
-  set(_Boost_WSERIALIZATION_HEADERS      "boost/archive/text_wiarchive.hpp")
-  set(_Boost_BZIP2_HEADERS               "boost/iostreams/filter/bzip2.hpp")
-  set(_Boost_ZLIB_HEADERS                "boost/iostreams/filter/zlib.hpp")
-
-  string(TOUPPER ${component} uppercomponent)
-  set(${_hdrs} ${_Boost_${uppercomponent}_HEADERS} PARENT_SCOPE)
-
-  string(REGEX REPLACE ";" " " _boost_HDRS_STRING "${_Boost_${uppercomponent}_HEADERS}")
-  if (NOT _boost_HDRS_STRING)
-    set(_boost_HDRS_STRING "(none)")
-  endif()
-  # message(STATUS "Headers for Boost::${component}: ${_boost_HDRS_STRING}")
-endfunction()
-
-#
-# Determine if any missing dependencies require adding to the component list.
-#
-# Sets _Boost_${COMPONENT}_DEPENDENCIES for each required component,
-# plus _Boost_IMPORTED_TARGETS (TRUE if imported targets should be
-# defined; FALSE if dependency information is unavailable).
-#
-# componentvar - the component list variable name
-# extravar - the indirect dependency list variable name
-#
-#
-function(_Boost_MISSING_DEPENDENCIES componentvar extravar)
-  # _boost_unprocessed_components - list of components requiring processing
-  # _boost_processed_components - components already processed (or currently being processed)
-  # _boost_new_components - new components discovered for future processing
-  #
-  list(APPEND _boost_unprocessed_components ${${componentvar}})
-
-  while(_boost_unprocessed_components)
-    list(APPEND _boost_processed_components ${_boost_unprocessed_components})
-    foreach(component ${_boost_unprocessed_components})
-      string(TOUPPER ${component} uppercomponent)
-      set(${_ret} ${_Boost_${uppercomponent}_DEPENDENCIES} PARENT_SCOPE)
-      _Boost_COMPONENT_DEPENDENCIES("${component}" _Boost_${uppercomponent}_DEPENDENCIES)
-      set(_Boost_${uppercomponent}_DEPENDENCIES ${_Boost_${uppercomponent}_DEPENDENCIES} PARENT_SCOPE)
-      set(_Boost_IMPORTED_TARGETS ${_Boost_IMPORTED_TARGETS} PARENT_SCOPE)
-      foreach(componentdep ${_Boost_${uppercomponent}_DEPENDENCIES})
-        if (NOT ("${componentdep}" IN_LIST _boost_processed_components OR "${componentdep}" IN_LIST _boost_new_components))
-          list(APPEND _boost_new_components ${componentdep})
-        endif()
-      endforeach()
-    endforeach()
-    set(_boost_unprocessed_components ${_boost_new_components})
-    unset(_boost_new_components)
-  endwhile()
-  set(_boost_extra_components ${_boost_processed_components})
-  if(_boost_extra_components AND ${componentvar})
-    list(REMOVE_ITEM _boost_extra_components ${${componentvar}})
-  endif()
-  set(${componentvar} ${_boost_processed_components} PARENT_SCOPE)
-  set(${extravar} ${_boost_extra_components} PARENT_SCOPE)
-endfunction()
-
-#
-# Some boost libraries may require particular set of compler features.
-# The very first one was `boost::fiber` introduced in Boost 1.62.
-# One can check required compiler features of it in
-# - `${Boost_ROOT}/libs/fiber/build/Jamfile.v2`;
-# - `${Boost_ROOT}/libs/context/build/Jamfile.v2`.
-#
-# TODO (Re)Check compiler features on (every?) release ???
-# One may use the following command to get the files to check:
-#
-#   $ find . -name Jamfile.v2 | grep build | xargs grep -l cxx1
-#
-function(_Boost_COMPILER_FEATURES component _ret)
-  # Boost >= 1.62
-  if(NOT Boost_VERSION_STRING VERSION_LESS 1.62.0)
-    set(_Boost_FIBER_COMPILER_FEATURES
-        cxx_alias_templates
-        cxx_auto_type
-        cxx_constexpr
-        cxx_defaulted_functions
-        cxx_final
-        cxx_lambdas
-        cxx_noexcept
-        cxx_nullptr
-        cxx_rvalue_references
-        cxx_thread_local
-        cxx_variadic_templates
-    )
-    # Compiler feature for `context` same as for `fiber`.
-    set(_Boost_CONTEXT_COMPILER_FEATURES ${_Boost_FIBER_COMPILER_FEATURES})
-  endif()
-
-  # Boost Contract library available in >= 1.67
-  if(NOT Boost_VERSION_STRING VERSION_LESS 1.67.0)
-    # From `libs/contract/build/boost_contract_build.jam`
-    set(_Boost_CONTRACT_COMPILER_FEATURES
-        cxx_lambdas
-        cxx_variadic_templates
-    )
-  endif()
-
-  string(TOUPPER ${component} uppercomponent)
-  set(${_ret} ${_Boost_${uppercomponent}_COMPILER_FEATURES} PARENT_SCOPE)
-endfunction()
-
-#
-# Update library search directory hint variable with paths used by prebuilt boost binaries.
-#
-# Prebuilt windows binaries (https://sourceforge.net/projects/boost/files/boost-binaries/)
-# have library directories named using MSVC compiler version and architecture.
-# This function would append corresponding directories if MSVC is a current compiler,
-# so having `BOOST_ROOT` would be enough to specify to find everything.
-#
-function(_Boost_UPDATE_WINDOWS_LIBRARY_SEARCH_DIRS_WITH_PREBUILT_PATHS componentlibvar basedir)
-  if("x${CMAKE_CXX_COMPILER_ID}" STREQUAL "xMSVC")
-    if(CMAKE_SIZEOF_VOID_P EQUAL 8)
-      set(_arch_suffix 64)
-    else()
-      set(_arch_suffix 32)
-    endif()
-    if(MSVC_TOOLSET_VERSION GREATER_EQUAL 150)
-      # Not yet known.
-    elseif(MSVC_TOOLSET_VERSION GREATER_EQUAL 140)
-      # MSVC toolset 14.x versions are forward compatible.
-      foreach(v 9 8 7 6 5 4 3 2 1 0)
-        if(MSVC_TOOLSET_VERSION GREATER_EQUAL 14${v})
-          list(APPEND ${componentlibvar} ${basedir}/lib${_arch_suffix}-msvc-14.${v})
-        endif()
-      endforeach()
-    elseif(MSVC_TOOLSET_VERSION GREATER_EQUAL 80)
-      math(EXPR _toolset_major_version "${MSVC_TOOLSET_VERSION} / 10")
-      list(APPEND ${componentlibvar} ${basedir}/lib${_arch_suffix}-msvc-${_toolset_major_version}.0)
-    endif()
-    set(${componentlibvar} ${${componentlibvar}} PARENT_SCOPE)
-  endif()
-endfunction()
-
-#
-# End functions/macros
-#
-#-------------------------------------------------------------------------------
-
-#-------------------------------------------------------------------------------
-# main.
-#-------------------------------------------------------------------------------
-
-
-# If the user sets Boost_LIBRARY_DIR, use it as the default for both
-# configurations.
-if(NOT Boost_LIBRARY_DIR_RELEASE AND Boost_LIBRARY_DIR)
-  set(Boost_LIBRARY_DIR_RELEASE "${Boost_LIBRARY_DIR}")
-endif()
-if(NOT Boost_LIBRARY_DIR_DEBUG AND Boost_LIBRARY_DIR)
-  set(Boost_LIBRARY_DIR_DEBUG   "${Boost_LIBRARY_DIR}")
-endif()
-
-if(NOT DEFINED Boost_USE_DEBUG_LIBS)
-  set(Boost_USE_DEBUG_LIBS TRUE)
-endif()
-if(NOT DEFINED Boost_USE_RELEASE_LIBS)
-  set(Boost_USE_RELEASE_LIBS TRUE)
-endif()
-if(NOT DEFINED Boost_USE_MULTITHREADED)
-  set(Boost_USE_MULTITHREADED TRUE)
-endif()
-if(NOT DEFINED Boost_USE_DEBUG_RUNTIME)
-  set(Boost_USE_DEBUG_RUNTIME TRUE)
-endif()
-
-# Check the version of Boost against the requested version.
-if(Boost_FIND_VERSION AND NOT Boost_FIND_VERSION_MINOR)
-  message(SEND_ERROR "When requesting a specific version of Boost, you must provide at least the major and minor version numbers, e.g., 1.34")
-endif()
-
-if(Boost_FIND_VERSION_EXACT)
-  # The version may appear in a directory with or without the patch
-  # level, even when the patch level is non-zero.
-  set(_boost_TEST_VERSIONS
-    "${Boost_FIND_VERSION_MAJOR}.${Boost_FIND_VERSION_MINOR}.${Boost_FIND_VERSION_PATCH}"
-    "${Boost_FIND_VERSION_MAJOR}.${Boost_FIND_VERSION_MINOR}")
-else()
-  # The user has not requested an exact version.  Among known
-  # versions, find those that are acceptable to the user request.
-  #
-  # Note: When adding a new Boost release, also update the dependency
-  # information in _Boost_COMPONENT_DEPENDENCIES and
-  # _Boost_COMPONENT_HEADERS.  See the instructions at the top of
-  # _Boost_COMPONENT_DEPENDENCIES.
-  set(_Boost_KNOWN_VERSIONS ${Boost_ADDITIONAL_VERSIONS}
-    "1.87.0" "1.87" "1.86.0" "1.86" "1.85.0" "1.85" "1.84.0" "1.84"
-    "1.83.0" "1.83" "1.82.0" "1.82" "1.81.0" "1.81" "1.80.0" "1.80" "1.79.0" "1.79"
-    "1.78.0" "1.78" "1.77.0" "1.77" "1.76.0" "1.76" "1.75.0" "1.75" "1.74.0" "1.74"
-    "1.73.0" "1.73" "1.72.0" "1.72" "1.71.0" "1.71" "1.70.0" "1.70" "1.69.0" "1.69"
-    "1.68.0" "1.68" "1.67.0" "1.67" "1.66.0" "1.66" "1.65.1" "1.65.0" "1.65"
-    "1.64.0" "1.64" "1.63.0" "1.63" "1.62.0" "1.62" "1.61.0" "1.61" "1.60.0" "1.60"
-    "1.59.0" "1.59" "1.58.0" "1.58" "1.57.0" "1.57" "1.56.0" "1.56" "1.55.0" "1.55"
-    "1.54.0" "1.54" "1.53.0" "1.53" "1.52.0" "1.52" "1.51.0" "1.51"
-    "1.50.0" "1.50" "1.49.0" "1.49" "1.48.0" "1.48" "1.47.0" "1.47" "1.46.1"
-    "1.46.0" "1.46" "1.45.0" "1.45" "1.44.0" "1.44" "1.43.0" "1.43" "1.42.0" "1.42"
-    "1.41.0" "1.41" "1.40.0" "1.40" "1.39.0" "1.39" "1.38.0" "1.38" "1.37.0" "1.37"
-    "1.36.1" "1.36.0" "1.36" "1.35.1" "1.35.0" "1.35" "1.34.1" "1.34.0"
-    "1.34" "1.33.1" "1.33.0" "1.33")
-
-  set(_boost_TEST_VERSIONS)
-  if(Boost_FIND_VERSION)
-    set(_Boost_FIND_VERSION_SHORT "${Boost_FIND_VERSION_MAJOR}.${Boost_FIND_VERSION_MINOR}")
-    # Select acceptable versions.
-    foreach(version ${_Boost_KNOWN_VERSIONS})
-      if(NOT "${version}" VERSION_LESS "${Boost_FIND_VERSION}")
-        # This version is high enough.
-        list(APPEND _boost_TEST_VERSIONS "${version}")
-      elseif("${version}.99" VERSION_EQUAL "${_Boost_FIND_VERSION_SHORT}.99")
-        # This version is a short-form for the requested version with
-        # the patch level dropped.
-        list(APPEND _boost_TEST_VERSIONS "${version}")
-      endif()
-    endforeach()
-  else()
-    # Any version is acceptable.
-    set(_boost_TEST_VERSIONS "${_Boost_KNOWN_VERSIONS}")
-  endif()
-endif()
-
-_Boost_DEBUG_PRINT_VAR("${CMAKE_CURRENT_LIST_FILE}" "${CMAKE_CURRENT_LIST_LINE}" "_boost_TEST_VERSIONS")
-_Boost_DEBUG_PRINT_VAR("${CMAKE_CURRENT_LIST_FILE}" "${CMAKE_CURRENT_LIST_LINE}" "Boost_USE_MULTITHREADED")
-_Boost_DEBUG_PRINT_VAR("${CMAKE_CURRENT_LIST_FILE}" "${CMAKE_CURRENT_LIST_LINE}" "Boost_USE_STATIC_LIBS")
-_Boost_DEBUG_PRINT_VAR("${CMAKE_CURRENT_LIST_FILE}" "${CMAKE_CURRENT_LIST_LINE}" "Boost_USE_STATIC_RUNTIME")
-_Boost_DEBUG_PRINT_VAR("${CMAKE_CURRENT_LIST_FILE}" "${CMAKE_CURRENT_LIST_LINE}" "Boost_ADDITIONAL_VERSIONS")
-_Boost_DEBUG_PRINT_VAR("${CMAKE_CURRENT_LIST_FILE}" "${CMAKE_CURRENT_LIST_LINE}" "Boost_NO_SYSTEM_PATHS")
-
-if(POLICY CMP0074)
-  cmake_policy(GET CMP0074 _Boost_CMP0074)
-  if(NOT "x${_Boost_CMP0074}x" STREQUAL "xNEWx")
-    _Boost_CHECK_SPELLING(Boost_ROOT)
-  endif()
-  unset(_Boost_CMP0074)
-endif()
-_Boost_CHECK_SPELLING(Boost_LIBRARYDIR)
-_Boost_CHECK_SPELLING(Boost_INCLUDEDIR)
-
-# Collect environment variable inputs as hints.  Do not consider changes.
-foreach(v BOOSTROOT BOOST_ROOT BOOST_INCLUDEDIR BOOST_LIBRARYDIR)
-  set(_env $ENV{${v}})
-  if(_env)
-    file(TO_CMAKE_PATH "${_env}" _ENV_${v})
-  else()
-    set(_ENV_${v} "")
-  endif()
-endforeach()
-if(NOT _ENV_BOOST_ROOT AND _ENV_BOOSTROOT)
-  set(_ENV_BOOST_ROOT "${_ENV_BOOSTROOT}")
-endif()
-
-# Collect inputs and cached results.  Detect changes since the last run.
-if(NOT BOOST_ROOT AND BOOSTROOT)
-  set(BOOST_ROOT "${BOOSTROOT}")
-endif()
-set(_Boost_VARS_DIR
-  BOOST_ROOT
-  Boost_NO_SYSTEM_PATHS
-  )
-
-_Boost_DEBUG_PRINT_VAR("${CMAKE_CURRENT_LIST_FILE}" "${CMAKE_CURRENT_LIST_LINE}" "BOOST_ROOT")
-_Boost_DEBUG_PRINT_VAR("${CMAKE_CURRENT_LIST_FILE}" "${CMAKE_CURRENT_LIST_LINE}" "BOOST_ROOT" ENVIRONMENT)
-_Boost_DEBUG_PRINT_VAR("${CMAKE_CURRENT_LIST_FILE}" "${CMAKE_CURRENT_LIST_LINE}" "BOOST_INCLUDEDIR")
-_Boost_DEBUG_PRINT_VAR("${CMAKE_CURRENT_LIST_FILE}" "${CMAKE_CURRENT_LIST_LINE}" "BOOST_INCLUDEDIR" ENVIRONMENT)
-_Boost_DEBUG_PRINT_VAR("${CMAKE_CURRENT_LIST_FILE}" "${CMAKE_CURRENT_LIST_LINE}" "BOOST_LIBRARYDIR")
-_Boost_DEBUG_PRINT_VAR("${CMAKE_CURRENT_LIST_FILE}" "${CMAKE_CURRENT_LIST_LINE}" "BOOST_LIBRARYDIR" ENVIRONMENT)
-
-# ------------------------------------------------------------------------
-#  Search for Boost include DIR
-# ------------------------------------------------------------------------
-
-set(_Boost_VARS_INC BOOST_INCLUDEDIR Boost_INCLUDE_DIR Boost_ADDITIONAL_VERSIONS)
-_Boost_CHANGE_DETECT(_Boost_CHANGE_INCDIR ${_Boost_VARS_DIR} ${_Boost_VARS_INC})
-# Clear Boost_INCLUDE_DIR if it did not change but other input affecting the
-# location did.  We will find a new one based on the new inputs.
-if(_Boost_CHANGE_INCDIR AND NOT _Boost_INCLUDE_DIR_CHANGED)
-  unset(Boost_INCLUDE_DIR CACHE)
-endif()
-
-if(NOT Boost_INCLUDE_DIR)
-  set(_boost_INCLUDE_SEARCH_DIRS "")
-  if(BOOST_INCLUDEDIR)
-    list(APPEND _boost_INCLUDE_SEARCH_DIRS ${BOOST_INCLUDEDIR})
-  elseif(_ENV_BOOST_INCLUDEDIR)
-    list(APPEND _boost_INCLUDE_SEARCH_DIRS ${_ENV_BOOST_INCLUDEDIR})
-  endif()
-
-  if( BOOST_ROOT )
-    list(APPEND _boost_INCLUDE_SEARCH_DIRS ${BOOST_ROOT}/include ${BOOST_ROOT})
-  elseif( _ENV_BOOST_ROOT )
-    list(APPEND _boost_INCLUDE_SEARCH_DIRS ${_ENV_BOOST_ROOT}/include ${_ENV_BOOST_ROOT})
-  endif()
-
-  if( Boost_NO_SYSTEM_PATHS)
-    list(APPEND _boost_INCLUDE_SEARCH_DIRS NO_CMAKE_SYSTEM_PATH NO_SYSTEM_ENVIRONMENT_PATH)
-  else()
-    if("x${CMAKE_CXX_COMPILER_ID}" STREQUAL "xMSVC")
-      foreach(ver ${_boost_TEST_VERSIONS})
-        string(REPLACE "." "_" ver "${ver}")
-        list(APPEND _boost_INCLUDE_SEARCH_DIRS PATHS "C:/local/boost_${ver}")
-      endforeach()
-    endif()
-    list(APPEND _boost_INCLUDE_SEARCH_DIRS PATHS
-      C:/boost/include
-      C:/boost
-      /sw/local/include
-      )
-  endif()
-
-  # Try to find Boost by stepping backwards through the Boost versions
-  # we know about.
-  # Build a list of path suffixes for each version.
-  set(_boost_PATH_SUFFIXES)
-  foreach(_boost_VER ${_boost_TEST_VERSIONS})
-    # Add in a path suffix, based on the required version, ideally
-    # we could read this from version.hpp, but for that to work we'd
-    # need to know the include dir already
-    set(_boost_BOOSTIFIED_VERSION)
-
-    # Transform 1.35 => 1_35 and 1.36.0 => 1_36_0
-    if(_boost_VER MATCHES "([0-9]+)\\.([0-9]+)\\.([0-9]+)")
-        set(_boost_BOOSTIFIED_VERSION
-          "${CMAKE_MATCH_1}_${CMAKE_MATCH_2}_${CMAKE_MATCH_3}")
-    elseif(_boost_VER MATCHES "([0-9]+)\\.([0-9]+)")
-        set(_boost_BOOSTIFIED_VERSION
-          "${CMAKE_MATCH_1}_${CMAKE_MATCH_2}")
-    endif()
-
-    list(APPEND _boost_PATH_SUFFIXES
-      "boost-${_boost_BOOSTIFIED_VERSION}"
-      "boost_${_boost_BOOSTIFIED_VERSION}"
-      "boost/boost-${_boost_BOOSTIFIED_VERSION}"
-      "boost/boost_${_boost_BOOSTIFIED_VERSION}"
-      )
-
-  endforeach()
-
-  _Boost_DEBUG_PRINT_VAR("${CMAKE_CURRENT_LIST_FILE}" "${CMAKE_CURRENT_LIST_LINE}" "_boost_INCLUDE_SEARCH_DIRS")
-  _Boost_DEBUG_PRINT_VAR("${CMAKE_CURRENT_LIST_FILE}" "${CMAKE_CURRENT_LIST_LINE}" "_boost_PATH_SUFFIXES")
-
-  # Look for a standard boost header file.
-  find_path(Boost_INCLUDE_DIR
-    NAMES         boost/config.hpp
-    HINTS         ${_boost_INCLUDE_SEARCH_DIRS}
-    PATH_SUFFIXES ${_boost_PATH_SUFFIXES}
-    )
-endif()
-
-# ------------------------------------------------------------------------
-#  Extract version information from version.hpp
-# ------------------------------------------------------------------------
-
-if(Boost_INCLUDE_DIR)
-  _Boost_DEBUG_PRINT("${CMAKE_CURRENT_LIST_FILE}" "${CMAKE_CURRENT_LIST_LINE}"
-                     "location of version.hpp: ${Boost_INCLUDE_DIR}/boost/version.hpp")
-
-  # Extract Boost_VERSION_MACRO and Boost_LIB_VERSION from version.hpp
-  set(Boost_VERSION_MACRO 0)
-  set(Boost_LIB_VERSION "")
-  file(STRINGS "${Boost_INCLUDE_DIR}/boost/version.hpp" _boost_VERSION_HPP_CONTENTS REGEX "#define BOOST_(LIB_)?VERSION ")
-  if("${_boost_VERSION_HPP_CONTENTS}" MATCHES "#define BOOST_VERSION ([0-9]+)")
-    set(Boost_VERSION_MACRO "${CMAKE_MATCH_1}")
-  endif()
-  if("${_boost_VERSION_HPP_CONTENTS}" MATCHES "#define BOOST_LIB_VERSION \"([0-9_]+)\"")
-    set(Boost_LIB_VERSION "${CMAKE_MATCH_1}")
-  endif()
-  unset(_boost_VERSION_HPP_CONTENTS)
-
-  # Calculate version components
-  math(EXPR Boost_VERSION_MAJOR "${Boost_VERSION_MACRO} / 100000")
-  math(EXPR Boost_VERSION_MINOR "${Boost_VERSION_MACRO} / 100 % 1000")
-  math(EXPR Boost_VERSION_PATCH "${Boost_VERSION_MACRO} % 100")
-  set(Boost_VERSION_COUNT 3)
-
-  # Define alias variables for backwards compat.
-  set(Boost_MAJOR_VERSION ${Boost_VERSION_MAJOR})
-  set(Boost_MINOR_VERSION ${Boost_VERSION_MINOR})
-  set(Boost_SUBMINOR_VERSION ${Boost_VERSION_PATCH})
-
-  # Define Boost version in x.y.z format
-  set(Boost_VERSION_STRING "${Boost_VERSION_MAJOR}.${Boost_VERSION_MINOR}.${Boost_VERSION_PATCH}")
-
-  # Define final Boost_VERSION
-  if(POLICY CMP0093)
-    cmake_policy(GET CMP0093 _Boost_CMP0093
-      PARENT_SCOPE # undocumented, do not use outside of CMake
-    )
-    if("x${_Boost_CMP0093}x" STREQUAL "xNEWx")
-      set(Boost_VERSION ${Boost_VERSION_STRING})
-    else()
-      set(Boost_VERSION ${Boost_VERSION_MACRO})
-    endif()
-    unset(_Boost_CMP0093)
-  else()
-    set(Boost_VERSION ${Boost_VERSION_MACRO})
-  endif()
-  unset(_Boost_CMP0093)
-
-  _Boost_DEBUG_PRINT_VAR("${CMAKE_CURRENT_LIST_FILE}" "${CMAKE_CURRENT_LIST_LINE}" "Boost_VERSION")
-  _Boost_DEBUG_PRINT_VAR("${CMAKE_CURRENT_LIST_FILE}" "${CMAKE_CURRENT_LIST_LINE}" "Boost_VERSION_STRING")
-  _Boost_DEBUG_PRINT_VAR("${CMAKE_CURRENT_LIST_FILE}" "${CMAKE_CURRENT_LIST_LINE}" "Boost_VERSION_MACRO")
-  _Boost_DEBUG_PRINT_VAR("${CMAKE_CURRENT_LIST_FILE}" "${CMAKE_CURRENT_LIST_LINE}" "Boost_VERSION_MAJOR")
-  _Boost_DEBUG_PRINT_VAR("${CMAKE_CURRENT_LIST_FILE}" "${CMAKE_CURRENT_LIST_LINE}" "Boost_VERSION_MINOR")
-  _Boost_DEBUG_PRINT_VAR("${CMAKE_CURRENT_LIST_FILE}" "${CMAKE_CURRENT_LIST_LINE}" "Boost_VERSION_PATCH")
-  _Boost_DEBUG_PRINT_VAR("${CMAKE_CURRENT_LIST_FILE}" "${CMAKE_CURRENT_LIST_LINE}" "Boost_VERSION_COUNT")
-endif()
-
-# ------------------------------------------------------------------------
-#  Prefix initialization
-# ------------------------------------------------------------------------
-
-if ( NOT DEFINED Boost_LIB_PREFIX )
-  # Boost's static libraries use a "lib" prefix on DLL platforms
-  # to distinguish them from the DLL import libraries.
-  if (Boost_USE_STATIC_LIBS AND (
-      (WIN32 AND NOT CYGWIN)
-      OR GHSMULTI
-      ))
-    set(Boost_LIB_PREFIX "lib")
-  else()
-    set(Boost_LIB_PREFIX "")
-  endif()
-endif()
-
-if ( NOT Boost_NAMESPACE )
-  set(Boost_NAMESPACE "boost")
-endif()
-
-_Boost_DEBUG_PRINT_VAR("${CMAKE_CURRENT_LIST_FILE}" "${CMAKE_CURRENT_LIST_LINE}" "Boost_LIB_PREFIX")
-_Boost_DEBUG_PRINT_VAR("${CMAKE_CURRENT_LIST_FILE}" "${CMAKE_CURRENT_LIST_LINE}" "Boost_NAMESPACE")
-
-# ------------------------------------------------------------------------
-#  Suffix initialization and compiler suffix detection.
-# ------------------------------------------------------------------------
-
-set(_Boost_VARS_NAME
-  Boost_NAMESPACE
-  Boost_COMPILER
-  Boost_THREADAPI
-  Boost_USE_DEBUG_PYTHON
-  Boost_USE_MULTITHREADED
-  Boost_USE_STATIC_LIBS
-  Boost_USE_STATIC_RUNTIME
-  Boost_USE_STLPORT
-  Boost_USE_STLPORT_DEPRECATED_NATIVE_IOSTREAMS
-  )
-_Boost_CHANGE_DETECT(_Boost_CHANGE_LIBNAME ${_Boost_VARS_NAME})
-
-# Setting some more suffixes for the library
-if (Boost_COMPILER)
-  set(_boost_COMPILER ${Boost_COMPILER})
-  _Boost_DEBUG_PRINT_VAR("${CMAKE_CURRENT_LIST_FILE}" "${CMAKE_CURRENT_LIST_LINE}"
-                         "_boost_COMPILER" SOURCE "user-specified via Boost_COMPILER")
-else()
-  # Attempt to guess the compiler suffix
-  # NOTE: this is not perfect yet, if you experience any issues
-  # please report them and use the Boost_COMPILER variable
-  # to work around the problems.
-  _Boost_GUESS_COMPILER_PREFIX(_boost_COMPILER)
-endif()
-
-set (_boost_MULTITHREADED "-mt")
-if( NOT Boost_USE_MULTITHREADED )
-  set (_boost_MULTITHREADED "")
-endif()
-_Boost_DEBUG_PRINT_VAR("${CMAKE_CURRENT_LIST_FILE}" "${CMAKE_CURRENT_LIST_LINE}" "_boost_MULTITHREADED")
-
-#======================
-# Systematically build up the Boost ABI tag for the 'tagged' and 'versioned' layouts
-# http://boost.org/doc/libs/1_66_0/more/getting_started/windows.html#library-naming
-# http://boost.org/doc/libs/1_66_0/boost/config/auto_link.hpp
-# http://boost.org/doc/libs/1_66_0/tools/build/src/tools/common.jam
-# http://boost.org/doc/libs/1_66_0/boostcpp.jam
-set( _boost_RELEASE_ABI_TAG "-")
-set( _boost_DEBUG_ABI_TAG   "-")
-# Key       Use this library when:
-#  s        linking statically to the C++ standard library and
-#           compiler runtime support libraries.
-if(Boost_USE_STATIC_RUNTIME)
-  set( _boost_RELEASE_ABI_TAG "${_boost_RELEASE_ABI_TAG}s")
-  set( _boost_DEBUG_ABI_TAG   "${_boost_DEBUG_ABI_TAG}s")
-endif()
-#  g        using debug versions of the standard and runtime
-#           support libraries
-if(WIN32 AND Boost_USE_DEBUG_RUNTIME)
-  if("x${CMAKE_CXX_COMPILER_ID}" STREQUAL "xMSVC"
-          OR "x${CMAKE_CXX_COMPILER_ID}" STREQUAL "xClang"
-          OR "x${CMAKE_CXX_COMPILER_ID}" STREQUAL "xIntel"
-          OR "x${CMAKE_CXX_COMPILER_ID}" STREQUAL "xIntelLLVM")
-    string(APPEND _boost_DEBUG_ABI_TAG "g")
-  endif()
-endif()
-#  y        using special debug build of python
-if(Boost_USE_DEBUG_PYTHON)
-  string(APPEND _boost_DEBUG_ABI_TAG "y")
-endif()
-#  d        using a debug version of your code
-string(APPEND _boost_DEBUG_ABI_TAG "d")
-#  p        using the STLport standard library rather than the
-#           default one supplied with your compiler
-if(Boost_USE_STLPORT)
-  string(APPEND _boost_RELEASE_ABI_TAG "p")
-  string(APPEND _boost_DEBUG_ABI_TAG "p")
-endif()
-#  n        using the STLport deprecated "native iostreams" feature
-#           removed from the documentation in 1.43.0 but still present in
-#           boost/config/auto_link.hpp
-if(Boost_USE_STLPORT_DEPRECATED_NATIVE_IOSTREAMS)
-  string(APPEND _boost_RELEASE_ABI_TAG "n")
-  string(APPEND _boost_DEBUG_ABI_TAG "n")
-endif()
-
-#  -x86     Architecture and address model tag
-#           First character is the architecture, then word-size, either 32 or 64
-#           Only used in 'versioned' layout, added in Boost 1.66.0
-if(DEFINED Boost_ARCHITECTURE)
-  set(_boost_ARCHITECTURE_TAG "${Boost_ARCHITECTURE}")
-  _Boost_DEBUG_PRINT_VAR("${CMAKE_CURRENT_LIST_FILE}" "${CMAKE_CURRENT_LIST_LINE}"
-                         "_boost_ARCHITECTURE_TAG" SOURCE "user-specified via Boost_ARCHITECTURE")
-else()
-  set(_boost_ARCHITECTURE_TAG "")
-  # {CMAKE_CXX_COMPILER_ARCHITECTURE_ID} is not currently set for all compilers
-  if(NOT "x${CMAKE_CXX_COMPILER_ARCHITECTURE_ID}" STREQUAL "x" AND NOT Boost_VERSION_STRING VERSION_LESS 1.66.0)
-    string(APPEND _boost_ARCHITECTURE_TAG "-")
-    # This needs to be kept in-sync with the section of CMakePlatformId.h.in
-    # inside 'defined(_WIN32) && defined(_MSC_VER)'
-    if(CMAKE_CXX_COMPILER_ARCHITECTURE_ID STREQUAL "IA64")
-      string(APPEND _boost_ARCHITECTURE_TAG "i")
-    elseif(CMAKE_CXX_COMPILER_ARCHITECTURE_ID STREQUAL "X86"
-              OR CMAKE_CXX_COMPILER_ARCHITECTURE_ID STREQUAL "x64")
-      string(APPEND _boost_ARCHITECTURE_TAG "x")
-    elseif(CMAKE_CXX_COMPILER_ARCHITECTURE_ID MATCHES "^ARM")
-      string(APPEND _boost_ARCHITECTURE_TAG "a")
-    elseif(CMAKE_CXX_COMPILER_ARCHITECTURE_ID STREQUAL "MIPS")
-      string(APPEND _boost_ARCHITECTURE_TAG "m")
-    endif()
-
-    if(CMAKE_SIZEOF_VOID_P EQUAL 8)
-      string(APPEND _boost_ARCHITECTURE_TAG "64")
-    else()
-      string(APPEND _boost_ARCHITECTURE_TAG "32")
-    endif()
-  endif()
-  _Boost_DEBUG_PRINT_VAR("${CMAKE_CURRENT_LIST_FILE}" "${CMAKE_CURRENT_LIST_LINE}"
-                         "_boost_ARCHITECTURE_TAG" SOURCE "detected")
-endif()
-
-_Boost_DEBUG_PRINT_VAR("${CMAKE_CURRENT_LIST_FILE}" "${CMAKE_CURRENT_LIST_LINE}" "_boost_RELEASE_ABI_TAG")
-_Boost_DEBUG_PRINT_VAR("${CMAKE_CURRENT_LIST_FILE}" "${CMAKE_CURRENT_LIST_LINE}" "_boost_DEBUG_ABI_TAG")
-
-# ------------------------------------------------------------------------
-#  Begin finding boost libraries
-# ------------------------------------------------------------------------
-
-set(_Boost_VARS_LIB "")
-foreach(c DEBUG RELEASE)
-  set(_Boost_VARS_LIB_${c} BOOST_LIBRARYDIR Boost_LIBRARY_DIR_${c})
-  list(APPEND _Boost_VARS_LIB ${_Boost_VARS_LIB_${c}})
-  _Boost_CHANGE_DETECT(_Boost_CHANGE_LIBDIR_${c} ${_Boost_VARS_DIR} ${_Boost_VARS_LIB_${c}} Boost_INCLUDE_DIR)
-  # Clear Boost_LIBRARY_DIR_${c} if it did not change but other input affecting the
-  # location did.  We will find a new one based on the new inputs.
-  if(_Boost_CHANGE_LIBDIR_${c} AND NOT _Boost_LIBRARY_DIR_${c}_CHANGED)
-    unset(Boost_LIBRARY_DIR_${c} CACHE)
-  endif()
-
-  # If Boost_LIBRARY_DIR_[RELEASE,DEBUG] is set, prefer its value.
-  if(Boost_LIBRARY_DIR_${c})
-    set(_boost_LIBRARY_SEARCH_DIRS_${c} ${Boost_LIBRARY_DIR_${c}} NO_DEFAULT_PATH NO_CMAKE_FIND_ROOT_PATH)
-  else()
-    set(_boost_LIBRARY_SEARCH_DIRS_${c} "")
-    if(BOOST_LIBRARYDIR)
-      list(APPEND _boost_LIBRARY_SEARCH_DIRS_${c} ${BOOST_LIBRARYDIR})
-    elseif(_ENV_BOOST_LIBRARYDIR)
-      list(APPEND _boost_LIBRARY_SEARCH_DIRS_${c} ${_ENV_BOOST_LIBRARYDIR})
-    endif()
-
-    if(BOOST_ROOT)
-      list(APPEND _boost_LIBRARY_SEARCH_DIRS_${c} ${BOOST_ROOT}/lib ${BOOST_ROOT}/stage/lib)
-      _Boost_UPDATE_WINDOWS_LIBRARY_SEARCH_DIRS_WITH_PREBUILT_PATHS(_boost_LIBRARY_SEARCH_DIRS_${c} "${BOOST_ROOT}")
-    elseif(_ENV_BOOST_ROOT)
-      list(APPEND _boost_LIBRARY_SEARCH_DIRS_${c} ${_ENV_BOOST_ROOT}/lib ${_ENV_BOOST_ROOT}/stage/lib)
-      _Boost_UPDATE_WINDOWS_LIBRARY_SEARCH_DIRS_WITH_PREBUILT_PATHS(_boost_LIBRARY_SEARCH_DIRS_${c} "${_ENV_BOOST_ROOT}")
-    endif()
-
-    list(APPEND _boost_LIBRARY_SEARCH_DIRS_${c}
-      ${Boost_INCLUDE_DIR}/lib
-      ${Boost_INCLUDE_DIR}/../lib
-      ${Boost_INCLUDE_DIR}/stage/lib
-      )
-    _Boost_UPDATE_WINDOWS_LIBRARY_SEARCH_DIRS_WITH_PREBUILT_PATHS(_boost_LIBRARY_SEARCH_DIRS_${c} "${Boost_INCLUDE_DIR}/..")
-    _Boost_UPDATE_WINDOWS_LIBRARY_SEARCH_DIRS_WITH_PREBUILT_PATHS(_boost_LIBRARY_SEARCH_DIRS_${c} "${Boost_INCLUDE_DIR}")
-    if( Boost_NO_SYSTEM_PATHS )
-      list(APPEND _boost_LIBRARY_SEARCH_DIRS_${c} NO_CMAKE_SYSTEM_PATH NO_SYSTEM_ENVIRONMENT_PATH)
-    else()
-      foreach(ver ${_boost_TEST_VERSIONS})
-        string(REPLACE "." "_" ver "${ver}")
-        _Boost_UPDATE_WINDOWS_LIBRARY_SEARCH_DIRS_WITH_PREBUILT_PATHS(_boost_LIBRARY_SEARCH_DIRS_${c} "C:/local/boost_${ver}")
-      endforeach()
-      _Boost_UPDATE_WINDOWS_LIBRARY_SEARCH_DIRS_WITH_PREBUILT_PATHS(_boost_LIBRARY_SEARCH_DIRS_${c} "C:/boost")
-      list(APPEND _boost_LIBRARY_SEARCH_DIRS_${c} PATHS
-        C:/boost/lib
-        C:/boost
-        /sw/local/lib
-        )
-    endif()
-  endif()
-endforeach()
-
-_Boost_DEBUG_PRINT_VAR("${CMAKE_CURRENT_LIST_FILE}" "${CMAKE_CURRENT_LIST_LINE}" "_boost_LIBRARY_SEARCH_DIRS_RELEASE")
-_Boost_DEBUG_PRINT_VAR("${CMAKE_CURRENT_LIST_FILE}" "${CMAKE_CURRENT_LIST_LINE}" "_boost_LIBRARY_SEARCH_DIRS_DEBUG")
-
-# Support preference of static libs by adjusting CMAKE_FIND_LIBRARY_SUFFIXES
-if( Boost_USE_STATIC_LIBS )
-  set( _boost_ORIG_CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_FIND_LIBRARY_SUFFIXES})
-  if(WIN32)
-    list(INSERT CMAKE_FIND_LIBRARY_SUFFIXES 0 .lib .a)
-  else()
-    set(CMAKE_FIND_LIBRARY_SUFFIXES .a)
-  endif()
-endif()
-
-# We want to use the tag inline below without risking double dashes
-if(_boost_RELEASE_ABI_TAG)
-  if(${_boost_RELEASE_ABI_TAG} STREQUAL "-")
-    set(_boost_RELEASE_ABI_TAG "")
-  endif()
-endif()
-if(_boost_DEBUG_ABI_TAG)
-  if(${_boost_DEBUG_ABI_TAG} STREQUAL "-")
-    set(_boost_DEBUG_ABI_TAG "")
-  endif()
-endif()
-
-# The previous behavior of FindBoost when Boost_USE_STATIC_LIBS was enabled
-# on WIN32 was to:
-#  1. Search for static libs compiled against a SHARED C++ standard runtime library (use if found)
-#  2. Search for static libs compiled against a STATIC C++ standard runtime library (use if found)
-# We maintain this behavior since changing it could break people's builds.
-# To disable the ambiguous behavior, the user need only
-# set Boost_USE_STATIC_RUNTIME either ON or OFF.
-set(_boost_STATIC_RUNTIME_WORKAROUND false)
-if(WIN32 AND Boost_USE_STATIC_LIBS)
-  if(NOT DEFINED Boost_USE_STATIC_RUNTIME)
-    set(_boost_STATIC_RUNTIME_WORKAROUND TRUE)
-  endif()
-endif()
-
-# On versions < 1.35, remove the System library from the considered list
-# since it wasn't added until 1.35.
-if(Boost_VERSION_STRING AND Boost_FIND_COMPONENTS)
-  if(Boost_VERSION_STRING VERSION_LESS 1.35.0)
-    list(REMOVE_ITEM Boost_FIND_COMPONENTS system)
-  endif()
-endif()
-
-# Additional components may be required via component dependencies.
-# Add any missing components to the list.
-_Boost_MISSING_DEPENDENCIES(Boost_FIND_COMPONENTS _Boost_EXTRA_FIND_COMPONENTS)
-
-# If thread is required, get the thread libs as a dependency
-if("thread" IN_LIST Boost_FIND_COMPONENTS)
-  if(Boost_FIND_QUIETLY)
-    set(_Boost_find_quiet QUIET)
-  else()
-    set(_Boost_find_quiet "")
-  endif()
-  find_package(Threads ${_Boost_find_quiet})
-  unset(_Boost_find_quiet)
-endif()
-
-# If the user changed any of our control inputs flush previous results.
-if(_Boost_CHANGE_LIBDIR_DEBUG OR _Boost_CHANGE_LIBDIR_RELEASE OR _Boost_CHANGE_LIBNAME)
-  foreach(COMPONENT ${_Boost_COMPONENTS_SEARCHED})
-    string(TOUPPER ${COMPONENT} UPPERCOMPONENT)
-    foreach(c DEBUG RELEASE)
-      set(_var Boost_${UPPERCOMPONENT}_LIBRARY_${c})
-      unset(${_var} CACHE)
-      set(${_var} "${_var}-NOTFOUND")
-    endforeach()
-  endforeach()
-  set(_Boost_COMPONENTS_SEARCHED "")
-endif()
-
-foreach(COMPONENT ${Boost_FIND_COMPONENTS})
-  string(TOUPPER ${COMPONENT} UPPERCOMPONENT)
-
-  set( _boost_docstring_release "Boost ${COMPONENT} library (release)")
-  set( _boost_docstring_debug   "Boost ${COMPONENT} library (debug)")
-
-  # Compute component-specific hints.
-  set(_Boost_FIND_LIBRARY_HINTS_FOR_COMPONENT "")
-  if(${COMPONENT} STREQUAL "mpi" OR ${COMPONENT} STREQUAL "mpi_python" OR
-     ${COMPONENT} STREQUAL "graph_parallel")
-    foreach(lib ${MPI_CXX_LIBRARIES} ${MPI_C_LIBRARIES})
-      if(IS_ABSOLUTE "${lib}")
-        get_filename_component(libdir "${lib}" PATH)
-        string(REPLACE "\\" "/" libdir "${libdir}")
-        list(APPEND _Boost_FIND_LIBRARY_HINTS_FOR_COMPONENT ${libdir})
-      endif()
-    endforeach()
-  endif()
-
-  # Handle Python version suffixes
-  unset(COMPONENT_PYTHON_VERSION_MAJOR)
-  unset(COMPONENT_PYTHON_VERSION_MINOR)
-  if(${COMPONENT} MATCHES "^(python|mpi_python|numpy)([0-9])\$")
-    set(COMPONENT_UNVERSIONED "${CMAKE_MATCH_1}")
-    set(COMPONENT_PYTHON_VERSION_MAJOR "${CMAKE_MATCH_2}")
-  elseif(${COMPONENT} MATCHES "^(python|mpi_python|numpy)([0-9])\\.?([0-9]+)\$")
-    set(COMPONENT_UNVERSIONED "${CMAKE_MATCH_1}")
-    set(COMPONENT_PYTHON_VERSION_MAJOR "${CMAKE_MATCH_2}")
-    set(COMPONENT_PYTHON_VERSION_MINOR "${CMAKE_MATCH_3}")
-  endif()
-
-  unset(_Boost_FIND_LIBRARY_HINTS_FOR_COMPONENT_NAME)
-  if (COMPONENT_PYTHON_VERSION_MINOR)
-    # Boost >= 1.67
-    list(APPEND _Boost_FIND_LIBRARY_HINTS_FOR_COMPONENT_NAME "${COMPONENT_UNVERSIONED}${COMPONENT_PYTHON_VERSION_MAJOR}${COMPONENT_PYTHON_VERSION_MINOR}")
-    # Debian/Ubuntu (Some versions omit the 2 and/or 3 from the suffix)
-    list(APPEND _Boost_FIND_LIBRARY_HINTS_FOR_COMPONENT_NAME "${COMPONENT_UNVERSIONED}${COMPONENT_PYTHON_VERSION_MAJOR}-py${COMPONENT_PYTHON_VERSION_MAJOR}${COMPONENT_PYTHON_VERSION_MINOR}")
-    list(APPEND _Boost_FIND_LIBRARY_HINTS_FOR_COMPONENT_NAME "${COMPONENT_UNVERSIONED}-py${COMPONENT_PYTHON_VERSION_MAJOR}${COMPONENT_PYTHON_VERSION_MINOR}")
-    # Gentoo
-    list(APPEND _Boost_FIND_LIBRARY_HINTS_FOR_COMPONENT_NAME "${COMPONENT_UNVERSIONED}-${COMPONENT_PYTHON_VERSION_MAJOR}.${COMPONENT_PYTHON_VERSION_MINOR}")
-    # RPMs
-    list(APPEND _Boost_FIND_LIBRARY_HINTS_FOR_COMPONENT_NAME "${COMPONENT_UNVERSIONED}-${COMPONENT_PYTHON_VERSION_MAJOR}${COMPONENT_PYTHON_VERSION_MINOR}")
-  endif()
-  if (COMPONENT_PYTHON_VERSION_MAJOR AND NOT COMPONENT_PYTHON_VERSION_MINOR)
-    # Boost < 1.67
-    list(APPEND _Boost_FIND_LIBRARY_HINTS_FOR_COMPONENT_NAME "${COMPONENT_UNVERSIONED}${COMPONENT_PYTHON_VERSION_MAJOR}")
-  endif()
-
-  # Consolidate and report component-specific hints.
-  if(_Boost_FIND_LIBRARY_HINTS_FOR_COMPONENT_NAME)
-    list(REMOVE_DUPLICATES _Boost_FIND_LIBRARY_HINTS_FOR_COMPONENT_NAME)
-    _Boost_DEBUG_PRINT("${CMAKE_CURRENT_LIST_FILE}" "${CMAKE_CURRENT_LIST_LINE}"
-      "Component-specific library search names for ${COMPONENT_NAME}: ${_Boost_FIND_LIBRARY_HINTS_FOR_COMPONENT_NAME}")
-  endif()
-  if(_Boost_FIND_LIBRARY_HINTS_FOR_COMPONENT)
-    list(REMOVE_DUPLICATES _Boost_FIND_LIBRARY_HINTS_FOR_COMPONENT)
-    _Boost_DEBUG_PRINT("${CMAKE_CURRENT_LIST_FILE}" "${CMAKE_CURRENT_LIST_LINE}"
-      "Component-specific library search paths for ${COMPONENT}: ${_Boost_FIND_LIBRARY_HINTS_FOR_COMPONENT}")
-  endif()
-
-  #
-  # Find headers
-  #
-  _Boost_COMPONENT_HEADERS("${COMPONENT}" Boost_${UPPERCOMPONENT}_HEADER_NAME)
-  # Look for a standard boost header file.
-  if(Boost_${UPPERCOMPONENT}_HEADER_NAME)
-    if(EXISTS "${Boost_INCLUDE_DIR}/${Boost_${UPPERCOMPONENT}_HEADER_NAME}")
-      set(Boost_${UPPERCOMPONENT}_HEADER ON)
-    else()
-      set(Boost_${UPPERCOMPONENT}_HEADER OFF)
-    endif()
-  else()
-    set(Boost_${UPPERCOMPONENT}_HEADER ON)
-    message(WARNING "No header defined for ${COMPONENT}; skipping header check "
-                    "(note: header-only libraries have no designated component)")
-  endif()
-
-  #
-  # Find RELEASE libraries
-  #
-  unset(_boost_RELEASE_NAMES)
-  foreach(component IN LISTS _Boost_FIND_LIBRARY_HINTS_FOR_COMPONENT_NAME COMPONENT)
-    foreach(compiler IN LISTS _boost_COMPILER)
-      list(APPEND _boost_RELEASE_NAMES
-        ${Boost_LIB_PREFIX}${Boost_NAMESPACE}_${component}${compiler}${_boost_MULTITHREADED}${_boost_RELEASE_ABI_TAG}${_boost_ARCHITECTURE_TAG}-${Boost_LIB_VERSION}
-        ${Boost_LIB_PREFIX}${Boost_NAMESPACE}_${component}${compiler}${_boost_MULTITHREADED}${_boost_RELEASE_ABI_TAG}${_boost_ARCHITECTURE_TAG}
-        ${Boost_LIB_PREFIX}${Boost_NAMESPACE}_${component}${compiler}${_boost_MULTITHREADED}${_boost_RELEASE_ABI_TAG} )
-    endforeach()
-    list(APPEND _boost_RELEASE_NAMES
-      ${Boost_LIB_PREFIX}${Boost_NAMESPACE}_${component}${_boost_MULTITHREADED}${_boost_RELEASE_ABI_TAG}${_boost_ARCHITECTURE_TAG}-${Boost_LIB_VERSION}
-      ${Boost_LIB_PREFIX}${Boost_NAMESPACE}_${component}${_boost_MULTITHREADED}${_boost_RELEASE_ABI_TAG}${_boost_ARCHITECTURE_TAG}
-      ${Boost_LIB_PREFIX}${Boost_NAMESPACE}_${component}${_boost_MULTITHREADED}${_boost_RELEASE_ABI_TAG}
-      ${Boost_LIB_PREFIX}${Boost_NAMESPACE}_${component}${_boost_MULTITHREADED}
-      ${Boost_LIB_PREFIX}${Boost_NAMESPACE}_${component} )
-    if(_boost_STATIC_RUNTIME_WORKAROUND)
-      set(_boost_RELEASE_STATIC_ABI_TAG "-s${_boost_RELEASE_ABI_TAG}")
-      foreach(compiler IN LISTS _boost_COMPILER)
-        list(APPEND _boost_RELEASE_NAMES
-          ${Boost_LIB_PREFIX}${Boost_NAMESPACE}_${component}${compiler}${_boost_MULTITHREADED}${_boost_RELEASE_STATIC_ABI_TAG}${_boost_ARCHITECTURE_TAG}-${Boost_LIB_VERSION}
-          ${Boost_LIB_PREFIX}${Boost_NAMESPACE}_${component}${compiler}${_boost_MULTITHREADED}${_boost_RELEASE_STATIC_ABI_TAG}${_boost_ARCHITECTURE_TAG}
-          ${Boost_LIB_PREFIX}${Boost_NAMESPACE}_${component}${compiler}${_boost_MULTITHREADED}${_boost_RELEASE_STATIC_ABI_TAG} )
-      endforeach()
-      list(APPEND _boost_RELEASE_NAMES
-        ${Boost_LIB_PREFIX}${Boost_NAMESPACE}_${component}${_boost_MULTITHREADED}${_boost_RELEASE_STATIC_ABI_TAG}${_boost_ARCHITECTURE_TAG}-${Boost_LIB_VERSION}
-        ${Boost_LIB_PREFIX}${Boost_NAMESPACE}_${component}${_boost_MULTITHREADED}${_boost_RELEASE_STATIC_ABI_TAG}${_boost_ARCHITECTURE_TAG}
-        ${Boost_LIB_PREFIX}${Boost_NAMESPACE}_${component}${_boost_MULTITHREADED}${_boost_RELEASE_STATIC_ABI_TAG} )
-    endif()
-  endforeach()
-  if(Boost_THREADAPI AND ${COMPONENT} STREQUAL "thread")
-    _Boost_PREPEND_LIST_WITH_THREADAPI(_boost_RELEASE_NAMES ${_boost_RELEASE_NAMES})
-  endif()
-  _Boost_DEBUG_PRINT("${CMAKE_CURRENT_LIST_FILE}" "${CMAKE_CURRENT_LIST_LINE}"
-                     "Searching for ${UPPERCOMPONENT}_LIBRARY_RELEASE: ${_boost_RELEASE_NAMES}")
-
-  # if Boost_LIBRARY_DIR_RELEASE is not defined,
-  # but Boost_LIBRARY_DIR_DEBUG is, look there first for RELEASE libs
-  if(NOT Boost_LIBRARY_DIR_RELEASE AND Boost_LIBRARY_DIR_DEBUG)
-    list(INSERT _boost_LIBRARY_SEARCH_DIRS_RELEASE 0 ${Boost_LIBRARY_DIR_DEBUG})
-  endif()
-
-  # Avoid passing backslashes to _Boost_FIND_LIBRARY due to macro re-parsing.
-  string(REPLACE "\\" "/" _boost_LIBRARY_SEARCH_DIRS_tmp "${_boost_LIBRARY_SEARCH_DIRS_RELEASE}")
-
-  if(Boost_USE_RELEASE_LIBS)
-    _Boost_FIND_LIBRARY(Boost_${UPPERCOMPONENT}_LIBRARY_RELEASE RELEASE
-      NAMES ${_boost_RELEASE_NAMES}
-      HINTS ${_boost_LIBRARY_SEARCH_DIRS_tmp}
-      NAMES_PER_DIR
-      DOC "${_boost_docstring_release}"
-      )
-  endif()
-
-  #
-  # Find DEBUG libraries
-  #
-  unset(_boost_DEBUG_NAMES)
-  foreach(component IN LISTS _Boost_FIND_LIBRARY_HINTS_FOR_COMPONENT_NAME COMPONENT)
-    foreach(compiler IN LISTS _boost_COMPILER)
-      list(APPEND _boost_DEBUG_NAMES
-        ${Boost_LIB_PREFIX}${Boost_NAMESPACE}_${component}${compiler}${_boost_MULTITHREADED}${_boost_DEBUG_ABI_TAG}${_boost_ARCHITECTURE_TAG}-${Boost_LIB_VERSION}
-        ${Boost_LIB_PREFIX}${Boost_NAMESPACE}_${component}${compiler}${_boost_MULTITHREADED}${_boost_DEBUG_ABI_TAG}${_boost_ARCHITECTURE_TAG}
-        ${Boost_LIB_PREFIX}${Boost_NAMESPACE}_${component}${compiler}${_boost_MULTITHREADED}${_boost_DEBUG_ABI_TAG} )
-    endforeach()
-    list(APPEND _boost_DEBUG_NAMES
-      ${Boost_LIB_PREFIX}${Boost_NAMESPACE}_${component}${_boost_MULTITHREADED}${_boost_DEBUG_ABI_TAG}${_boost_ARCHITECTURE_TAG}-${Boost_LIB_VERSION}
-      ${Boost_LIB_PREFIX}${Boost_NAMESPACE}_${component}${_boost_MULTITHREADED}${_boost_DEBUG_ABI_TAG}${_boost_ARCHITECTURE_TAG}
-      ${Boost_LIB_PREFIX}${Boost_NAMESPACE}_${component}${_boost_MULTITHREADED}${_boost_DEBUG_ABI_TAG}
-      ${Boost_LIB_PREFIX}${Boost_NAMESPACE}_${component}${_boost_MULTITHREADED}
-      ${Boost_LIB_PREFIX}${Boost_NAMESPACE}_${component} )
-    if(_boost_STATIC_RUNTIME_WORKAROUND)
-      set(_boost_DEBUG_STATIC_ABI_TAG "-s${_boost_DEBUG_ABI_TAG}")
-      foreach(compiler IN LISTS _boost_COMPILER)
-        list(APPEND _boost_DEBUG_NAMES
-          ${Boost_LIB_PREFIX}${Boost_NAMESPACE}_${component}${compiler}${_boost_MULTITHREADED}${_boost_DEBUG_STATIC_ABI_TAG}${_boost_ARCHITECTURE_TAG}-${Boost_LIB_VERSION}
-          ${Boost_LIB_PREFIX}${Boost_NAMESPACE}_${component}${compiler}${_boost_MULTITHREADED}${_boost_DEBUG_STATIC_ABI_TAG}${_boost_ARCHITECTURE_TAG}
-          ${Boost_LIB_PREFIX}${Boost_NAMESPACE}_${component}${compiler}${_boost_MULTITHREADED}${_boost_DEBUG_STATIC_ABI_TAG} )
-      endforeach()
-      list(APPEND _boost_DEBUG_NAMES
-        ${Boost_LIB_PREFIX}${Boost_NAMESPACE}_${component}${_boost_MULTITHREADED}${_boost_DEBUG_STATIC_ABI_TAG}${_boost_ARCHITECTURE_TAG}-${Boost_LIB_VERSION}
-        ${Boost_LIB_PREFIX}${Boost_NAMESPACE}_${component}${_boost_MULTITHREADED}${_boost_DEBUG_STATIC_ABI_TAG}${_boost_ARCHITECTURE_TAG}
-        ${Boost_LIB_PREFIX}${Boost_NAMESPACE}_${component}${_boost_MULTITHREADED}${_boost_DEBUG_STATIC_ABI_TAG} )
-    endif()
-  endforeach()
-  if(Boost_THREADAPI AND ${COMPONENT} STREQUAL "thread")
-     _Boost_PREPEND_LIST_WITH_THREADAPI(_boost_DEBUG_NAMES ${_boost_DEBUG_NAMES})
-  endif()
-  _Boost_DEBUG_PRINT("${CMAKE_CURRENT_LIST_FILE}" "${CMAKE_CURRENT_LIST_LINE}"
-                     "Searching for ${UPPERCOMPONENT}_LIBRARY_DEBUG: ${_boost_DEBUG_NAMES}")
-
-  # if Boost_LIBRARY_DIR_DEBUG is not defined,
-  # but Boost_LIBRARY_DIR_RELEASE is, look there first for DEBUG libs
-  if(NOT Boost_LIBRARY_DIR_DEBUG AND Boost_LIBRARY_DIR_RELEASE)
-    list(INSERT _boost_LIBRARY_SEARCH_DIRS_DEBUG 0 ${Boost_LIBRARY_DIR_RELEASE})
-  endif()
-
-  # Avoid passing backslashes to _Boost_FIND_LIBRARY due to macro re-parsing.
-  string(REPLACE "\\" "/" _boost_LIBRARY_SEARCH_DIRS_tmp "${_boost_LIBRARY_SEARCH_DIRS_DEBUG}")
-
-  if(Boost_USE_DEBUG_LIBS)
-    _Boost_FIND_LIBRARY(Boost_${UPPERCOMPONENT}_LIBRARY_DEBUG DEBUG
-      NAMES ${_boost_DEBUG_NAMES}
-      HINTS ${_boost_LIBRARY_SEARCH_DIRS_tmp}
-      NAMES_PER_DIR
-      DOC "${_boost_docstring_debug}"
-      )
-  endif ()
-
-  if(Boost_REALPATH)
-    _Boost_SWAP_WITH_REALPATH(Boost_${UPPERCOMPONENT}_LIBRARY_RELEASE "${_boost_docstring_release}")
-    _Boost_SWAP_WITH_REALPATH(Boost_${UPPERCOMPONENT}_LIBRARY_DEBUG   "${_boost_docstring_debug}"  )
-  endif()
-
-  _Boost_ADJUST_LIB_VARS(${UPPERCOMPONENT})
-
-  # Check if component requires some compiler features
-  _Boost_COMPILER_FEATURES(${COMPONENT} _Boost_${UPPERCOMPONENT}_COMPILER_FEATURES)
-
-endforeach()
-
-# Restore the original find library ordering
-if( Boost_USE_STATIC_LIBS )
-  set(CMAKE_FIND_LIBRARY_SUFFIXES ${_boost_ORIG_CMAKE_FIND_LIBRARY_SUFFIXES})
-endif()
-
-# ------------------------------------------------------------------------
-#  End finding boost libraries
-# ------------------------------------------------------------------------
-
-set(Boost_INCLUDE_DIRS ${Boost_INCLUDE_DIR})
-set(Boost_LIBRARY_DIRS)
-if(Boost_LIBRARY_DIR_RELEASE)
-  list(APPEND Boost_LIBRARY_DIRS ${Boost_LIBRARY_DIR_RELEASE})
-endif()
-if(Boost_LIBRARY_DIR_DEBUG)
-  list(APPEND Boost_LIBRARY_DIRS ${Boost_LIBRARY_DIR_DEBUG})
-endif()
-if(Boost_LIBRARY_DIRS)
-  list(REMOVE_DUPLICATES Boost_LIBRARY_DIRS)
-endif()
-
-# ------------------------------------------------------------------------
-#  Call FPHSA helper, see https://cmake.org/cmake/help/latest/module/FindPackageHandleStandardArgs.html
-# ------------------------------------------------------------------------
-
-# Define aliases as needed by the component handler in the FPHSA helper below
-foreach(_comp IN LISTS Boost_FIND_COMPONENTS)
-  string(TOUPPER ${_comp} _uppercomp)
-  if(DEFINED Boost_${_uppercomp}_FOUND)
-    set(Boost_${_comp}_FOUND ${Boost_${_uppercomp}_FOUND})
-  endif()
-endforeach()
-
-find_package_handle_standard_args(Boost
-  REQUIRED_VARS Boost_INCLUDE_DIR
-  VERSION_VAR Boost_VERSION_STRING
-  HANDLE_COMPONENTS)
-
-if(Boost_FOUND)
-  if( NOT Boost_LIBRARY_DIRS )
-    # Compatibility Code for backwards compatibility with CMake
-    # 2.4's FindBoost module.
-
-    # Look for the boost library path.
-    # Note that the user may not have installed any libraries
-    # so it is quite possible the Boost_LIBRARY_DIRS may not exist.
-    set(_boost_LIB_DIR ${Boost_INCLUDE_DIR})
-
-    if("${_boost_LIB_DIR}" MATCHES "boost-[0-9]+")
-      get_filename_component(_boost_LIB_DIR ${_boost_LIB_DIR} PATH)
-    endif()
-
-    if("${_boost_LIB_DIR}" MATCHES "/include$")
-      # Strip off the trailing "/include" in the path.
-      get_filename_component(_boost_LIB_DIR ${_boost_LIB_DIR} PATH)
-    endif()
-
-    if(EXISTS "${_boost_LIB_DIR}/lib")
-      string(APPEND _boost_LIB_DIR /lib)
-    elseif(EXISTS "${_boost_LIB_DIR}/stage/lib")
-      string(APPEND _boost_LIB_DIR "/stage/lib")
-    else()
-      set(_boost_LIB_DIR "")
-    endif()
-
-    if(_boost_LIB_DIR AND EXISTS "${_boost_LIB_DIR}")
-      set(Boost_LIBRARY_DIRS ${_boost_LIB_DIR})
-    endif()
-
-  endif()
-else()
-  # Boost headers were not found so no components were found.
-  foreach(COMPONENT ${Boost_FIND_COMPONENTS})
-    string(TOUPPER ${COMPONENT} UPPERCOMPONENT)
-    set(Boost_${UPPERCOMPONENT}_FOUND 0)
-  endforeach()
-endif()
-
-# ------------------------------------------------------------------------
-#  Add imported targets
-# ------------------------------------------------------------------------
-
-if(Boost_FOUND)
-  # The builtin CMake package in Boost 1.70+ introduces a new name
-  # for the header-only lib, let's provide the same UI in module mode
-  if(NOT TARGET Boost::headers)
-    add_library(Boost::headers INTERFACE IMPORTED)
-    if(Boost_INCLUDE_DIRS)
-      set_target_properties(Boost::headers PROPERTIES
-        INTERFACE_INCLUDE_DIRECTORIES "${Boost_INCLUDE_DIRS}")
-    endif()
-  endif()
-
-  # Define the old target name for header-only libraries for backwards
-  # compat.
-  if(NOT TARGET Boost::boost)
-    add_library(Boost::boost INTERFACE IMPORTED)
-    set_target_properties(Boost::boost
-      PROPERTIES INTERFACE_LINK_LIBRARIES Boost::headers)
-  endif()
-
-  foreach(COMPONENT ${Boost_FIND_COMPONENTS})
-    if(_Boost_IMPORTED_TARGETS AND NOT TARGET Boost::${COMPONENT})
-      string(TOUPPER ${COMPONENT} UPPERCOMPONENT)
-      if(Boost_${UPPERCOMPONENT}_FOUND)
-        if(Boost_USE_STATIC_LIBS)
-          add_library(Boost::${COMPONENT} STATIC IMPORTED)
-        else()
-          # Even if Boost_USE_STATIC_LIBS is OFF, we might have static
-          # libraries as a result.
-          add_library(Boost::${COMPONENT} UNKNOWN IMPORTED)
-        endif()
-        if(Boost_INCLUDE_DIRS)
-          set_target_properties(Boost::${COMPONENT} PROPERTIES
-            INTERFACE_INCLUDE_DIRECTORIES "${Boost_INCLUDE_DIRS}")
-        endif()
-        if(EXISTS "${Boost_${UPPERCOMPONENT}_LIBRARY}")
-          set_target_properties(Boost::${COMPONENT} PROPERTIES
-            IMPORTED_LINK_INTERFACE_LANGUAGES "CXX"
-            IMPORTED_LOCATION "${Boost_${UPPERCOMPONENT}_LIBRARY}")
-        endif()
-        if(EXISTS "${Boost_${UPPERCOMPONENT}_LIBRARY_RELEASE}")
-          set_property(TARGET Boost::${COMPONENT} APPEND PROPERTY
-            IMPORTED_CONFIGURATIONS RELEASE)
-          set_target_properties(Boost::${COMPONENT} PROPERTIES
-            IMPORTED_LINK_INTERFACE_LANGUAGES_RELEASE "CXX"
-            IMPORTED_LOCATION_RELEASE "${Boost_${UPPERCOMPONENT}_LIBRARY_RELEASE}")
-        endif()
-        if(EXISTS "${Boost_${UPPERCOMPONENT}_LIBRARY_DEBUG}")
-          set_property(TARGET Boost::${COMPONENT} APPEND PROPERTY
-            IMPORTED_CONFIGURATIONS DEBUG)
-          set_target_properties(Boost::${COMPONENT} PROPERTIES
-            IMPORTED_LINK_INTERFACE_LANGUAGES_DEBUG "CXX"
-            IMPORTED_LOCATION_DEBUG "${Boost_${UPPERCOMPONENT}_LIBRARY_DEBUG}")
-        endif()
-        if(_Boost_${UPPERCOMPONENT}_DEPENDENCIES)
-          unset(_Boost_${UPPERCOMPONENT}_TARGET_DEPENDENCIES)
-          foreach(dep ${_Boost_${UPPERCOMPONENT}_DEPENDENCIES})
-            list(APPEND _Boost_${UPPERCOMPONENT}_TARGET_DEPENDENCIES Boost::${dep})
-          endforeach()
-          if(COMPONENT STREQUAL "thread")
-            list(APPEND _Boost_${UPPERCOMPONENT}_TARGET_DEPENDENCIES Threads::Threads)
-          endif()
-          set_target_properties(Boost::${COMPONENT} PROPERTIES
-            INTERFACE_LINK_LIBRARIES "${_Boost_${UPPERCOMPONENT}_TARGET_DEPENDENCIES}")
-        endif()
-        if(_Boost_${UPPERCOMPONENT}_COMPILER_FEATURES)
-          set_target_properties(Boost::${COMPONENT} PROPERTIES
-            INTERFACE_COMPILE_FEATURES "${_Boost_${UPPERCOMPONENT}_COMPILER_FEATURES}")
-        endif()
-      endif()
-    endif()
-  endforeach()
-
-  # Supply Boost_LIB_DIAGNOSTIC_DEFINITIONS as a convenience target. It
-  # will only contain any interface definitions on WIN32, but is created
-  # on all platforms to keep end user code free from platform dependent
-  # code.  Also provide convenience targets to disable autolinking and
-  # enable dynamic linking.
-  if(NOT TARGET Boost::diagnostic_definitions)
-    add_library(Boost::diagnostic_definitions INTERFACE IMPORTED)
-    add_library(Boost::disable_autolinking INTERFACE IMPORTED)
-    add_library(Boost::dynamic_linking INTERFACE IMPORTED)
-    set_target_properties(Boost::dynamic_linking PROPERTIES
-      INTERFACE_COMPILE_DEFINITIONS "BOOST_ALL_DYN_LINK")
-  endif()
-  if(WIN32)
-    # In windows, automatic linking is performed, so you do not have
-    # to specify the libraries.  If you are linking to a dynamic
-    # runtime, then you can choose to link to either a static or a
-    # dynamic Boost library, the default is to do a static link.  You
-    # can alter this for a specific library "whatever" by defining
-    # BOOST_WHATEVER_DYN_LINK to force Boost library "whatever" to be
-    # linked dynamically.  Alternatively you can force all Boost
-    # libraries to dynamic link by defining BOOST_ALL_DYN_LINK.
-
-    # This feature can be disabled for Boost library "whatever" by
-    # defining BOOST_WHATEVER_NO_LIB, or for all of Boost by defining
-    # BOOST_ALL_NO_LIB.
-
-    # If you want to observe which libraries are being linked against
-    # then defining BOOST_LIB_DIAGNOSTIC will cause the auto-linking
-    # code to emit a #pragma message each time a library is selected
-    # for linking.
-    set(Boost_LIB_DIAGNOSTIC_DEFINITIONS "-DBOOST_LIB_DIAGNOSTIC")
-    set_target_properties(Boost::diagnostic_definitions PROPERTIES
-      INTERFACE_COMPILE_DEFINITIONS "BOOST_LIB_DIAGNOSTIC")
-    set_target_properties(Boost::disable_autolinking PROPERTIES
-      INTERFACE_COMPILE_DEFINITIONS "BOOST_ALL_NO_LIB")
-  endif()
-endif()
-
-# ------------------------------------------------------------------------
-#  Finalize
-# ------------------------------------------------------------------------
-
-# Report Boost_LIBRARIES
-set(Boost_LIBRARIES "")
-foreach(_comp IN LISTS Boost_FIND_COMPONENTS)
-  string(TOUPPER ${_comp} _uppercomp)
-  if(Boost_${_uppercomp}_FOUND)
-    list(APPEND Boost_LIBRARIES ${Boost_${_uppercomp}_LIBRARY})
-    if(_comp STREQUAL "thread")
-      list(APPEND Boost_LIBRARIES ${CMAKE_THREAD_LIBS_INIT})
-    endif()
-  endif()
-endforeach()
-
-# Configure display of cache entries in GUI.
-foreach(v BOOSTROOT BOOST_ROOT ${_Boost_VARS_INC} ${_Boost_VARS_LIB})
-  get_property(_type CACHE ${v} PROPERTY TYPE)
-  if(_type)
-    set_property(CACHE ${v} PROPERTY ADVANCED 1)
-    if("x${_type}" STREQUAL "xUNINITIALIZED")
-      if("x${v}" STREQUAL "xBoost_ADDITIONAL_VERSIONS")
-        set_property(CACHE ${v} PROPERTY TYPE STRING)
-      else()
-        set_property(CACHE ${v} PROPERTY TYPE PATH)
-      endif()
-    endif()
-  endif()
-endforeach()
-
-# Record last used values of input variables so we can
-# detect on the next run if the user changed them.
-foreach(v
-    ${_Boost_VARS_INC} ${_Boost_VARS_LIB}
-    ${_Boost_VARS_DIR} ${_Boost_VARS_NAME}
-    )
-  if(DEFINED ${v})
-    set(_${v}_LAST "${${v}}" CACHE INTERNAL "Last used ${v} value.")
-  else()
-    unset(_${v}_LAST CACHE)
-  endif()
-endforeach()
-
-# Maintain a persistent list of components requested anywhere since
-# the last flush.
-set(_Boost_COMPONENTS_SEARCHED "${_Boost_COMPONENTS_SEARCHED}")
-list(APPEND _Boost_COMPONENTS_SEARCHED ${Boost_FIND_COMPONENTS})
-list(REMOVE_DUPLICATES _Boost_COMPONENTS_SEARCHED)
-list(SORT _Boost_COMPONENTS_SEARCHED)
-set(_Boost_COMPONENTS_SEARCHED "${_Boost_COMPONENTS_SEARCHED}"
-  CACHE INTERNAL "Components requested for this build tree.")
-
-# Restore project's policies
-cmake_policy(POP)