Help: change links to point to the env.vars, not to the cmake vars

The documentation of the find-commands was pointing to the
cmake variables CMAKE_PREFIX_PATH, CMAKE_INCLUDE_PATH etc.
also in the section for environment variables. Now they point
to the documentation for the respective environment variables.

Help/command/FIND_XXX.txt

@@ -132,6 +132,9 @@ If ``NO_DEFAULT_PATH`` is not specified, the search process is as follows:
 .. |CMAKE_PREFIX_PATH_XXX_SUBDIR| replace::
    |prefix_XXX_SUBDIR| for each ``<prefix>`` in :variable:`CMAKE_PREFIX_PATH`
 
+.. |ENV_CMAKE_PREFIX_PATH_XXX_SUBDIR| replace::
+   |prefix_XXX_SUBDIR| for each ``<prefix>`` in :envvar:`CMAKE_PREFIX_PATH`
+
 .. |SYSTEM_ENVIRONMENT_PREFIX_PATH_XXX_SUBDIR| replace::
    |prefix_XXX_SUBDIR| for each ``<prefix>/[s]bin`` in ``PATH``, and
    |entry_XXX_SUBDIR| for other entries in ``PATH``
@@ -194,9 +197,9 @@ If ``NO_DEFAULT_PATH`` is not specified, the search process is as follows:
    This can be skipped if ``NO_CMAKE_ENVIRONMENT_PATH`` is passed or
    by setting the :variable:`CMAKE_FIND_USE_CMAKE_ENVIRONMENT_PATH` to ``FALSE``.
 
-   * |CMAKE_PREFIX_PATH_XXX|
-   * |CMAKE_XXX_PATH|
-   * |CMAKE_XXX_MAC_PATH|
+   * |ENV_CMAKE_PREFIX_PATH_XXX|
+   * |ENV_CMAKE_XXX_PATH|
+   * |ENV_CMAKE_XXX_MAC_PATH|
 
 4. Search the paths specified by the ``HINTS`` option.
    These should be paths computed by system introspection, such as a

Help/command/find_file.rst

@@ -19,6 +19,13 @@ find_file
 .. |CMAKE_XXX_PATH| replace:: :variable:`CMAKE_INCLUDE_PATH`
 .. |CMAKE_XXX_MAC_PATH| replace:: :variable:`CMAKE_FRAMEWORK_PATH`
 
+.. |ENV_CMAKE_PREFIX_PATH_XXX| replace::
+   ``<prefix>/include/<arch>`` if :variable:`CMAKE_LIBRARY_ARCHITECTURE` is set,
+   and |ENV_CMAKE_PREFIX_PATH_XXX_SUBDIR|
+.. |ENV_CMAKE_XXX_PATH| replace:: :envvar:`CMAKE_INCLUDE_PATH`
+.. |ENV_CMAKE_XXX_MAC_PATH| replace:: :envvar:`CMAKE_FRAMEWORK_PATH`
+
+
 .. |SYSTEM_ENVIRONMENT_PATH_XXX| replace:: The directories in ``INCLUDE``
    and ``PATH``.
 .. |SYSTEM_ENVIRONMENT_PATH_WINDOWS_XXX| replace:: On Windows hosts:

Help/command/find_library.rst

@@ -19,6 +19,12 @@ find_library
 .. |CMAKE_XXX_PATH| replace:: :variable:`CMAKE_LIBRARY_PATH`
 .. |CMAKE_XXX_MAC_PATH| replace:: :variable:`CMAKE_FRAMEWORK_PATH`
 
+.. |ENV_CMAKE_PREFIX_PATH_XXX| replace::
+   ``<prefix>/lib/<arch>`` if :variable:`CMAKE_LIBRARY_ARCHITECTURE` is set,
+   and |ENV_CMAKE_PREFIX_PATH_XXX_SUBDIR|
+.. |ENV_CMAKE_XXX_PATH| replace:: :envvar:`CMAKE_LIBRARY_PATH`
+.. |ENV_CMAKE_XXX_MAC_PATH| replace:: :envvar:`CMAKE_FRAMEWORK_PATH`
+
 .. |SYSTEM_ENVIRONMENT_PATH_XXX| replace:: The directories in ``LIB``
    and ``PATH``.
 .. |SYSTEM_ENVIRONMENT_PATH_WINDOWS_XXX| replace:: On Windows hosts:

Help/command/find_package.rst

@@ -418,8 +418,8 @@ enabled.
 
    * ``<PackageName>_DIR``
    * :envvar:`CMAKE_PREFIX_PATH`
-   * ``CMAKE_FRAMEWORK_PATH``
-   * ``CMAKE_APPBUNDLE_PATH``
+   * :envvar:`CMAKE_FRAMEWORK_PATH`
+   * :envvar:`CMAKE_APPBUNDLE_PATH`
 
 4. Search paths specified by the ``HINTS`` option.  These should be paths
    computed by system introspection, such as a hint provided by the

Help/command/find_path.rst

@@ -19,6 +19,12 @@ find_path
 .. |CMAKE_XXX_PATH| replace:: :variable:`CMAKE_INCLUDE_PATH`
 .. |CMAKE_XXX_MAC_PATH| replace:: :variable:`CMAKE_FRAMEWORK_PATH`
 
+.. |ENV_CMAKE_PREFIX_PATH_XXX| replace::
+   ``<prefix>/include/<arch>`` if :variable:`CMAKE_LIBRARY_ARCHITECTURE` is set,
+   and |ENV_CMAKE_PREFIX_PATH_XXX_SUBDIR|
+.. |ENV_CMAKE_XXX_PATH| replace:: :envvar:`CMAKE_INCLUDE_PATH`
+.. |ENV_CMAKE_XXX_MAC_PATH| replace:: :envvar:`CMAKE_FRAMEWORK_PATH`
+
 .. |SYSTEM_ENVIRONMENT_PATH_XXX| replace:: The directories in ``INCLUDE``
    and ``PATH``.
 .. |SYSTEM_ENVIRONMENT_PATH_WINDOWS_XXX| replace:: On Windows hosts:

Help/command/find_program.rst

@@ -17,6 +17,11 @@ find_program
 .. |CMAKE_XXX_PATH| replace:: :variable:`CMAKE_PROGRAM_PATH`
 .. |CMAKE_XXX_MAC_PATH| replace:: :variable:`CMAKE_APPBUNDLE_PATH`
 
+.. |ENV_CMAKE_PREFIX_PATH_XXX| replace::
+   |ENV_CMAKE_PREFIX_PATH_XXX_SUBDIR|
+.. |ENV_CMAKE_XXX_PATH| replace:: :envvar:`CMAKE_PROGRAM_PATH`
+.. |ENV_CMAKE_XXX_MAC_PATH| replace:: :envvar:`CMAKE_APPBUNDLE_PATH`
+
 .. |SYSTEM_ENVIRONMENT_PATH_XXX| replace:: The directories in ``PATH`` itself.
 .. |SYSTEM_ENVIRONMENT_PATH_WINDOWS_XXX| replace:: On Windows hosts no extra search paths are included