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Help: configure_file: add $CACHE{VAR} and $ENV{VAR} to description

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The configure_file(...) and string(CONFIGURE ...) functions also
substitutes variables of the form: $CACHE{VAR} and $ENV{VAR}.

Therefore add this information to the help documentation so that this
behavior is described to users
This commit is contained in:
Torsten Rasmussen 2023-05-22 10:54:26 +02:00 committed by Brad King
parent fc29c5f1bf
commit b2b97d015e
1 changed files with 4 additions and 4 deletions
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8
Help/command/configure_file.rst
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@ -12,10 +12,10 @@ Copy a file to another location and modify its contents.
[NEWLINE_STYLE [UNIX|DOS|WIN32|LF|CRLF] ])
Copies an ``<input>`` file to an ``<output>`` file and substitutes
variable values referenced as ``@VAR@`` or ``${VAR}`` in the input
file content. Each variable reference will be replaced with the
current value of the variable, or the empty string if the variable
is not defined. Furthermore, input lines of the form
variable values referenced as ``@VAR@``, ``${VAR}``, ``$CACHE{VAR}`` or
``$ENV{VAR}`` in the input file content. Each variable reference will be
replaced with the current value of the variable, or the empty string if
the variable is not defined. Furthermore, input lines of the form
.. code-block:: c