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ExternalProject: add an example of LIST_SEPARATOR usage

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Ben Boeckel
2024-03-27 06:43:15 -04:00
parent d26526a36f
commit 611ffce98c
1 changed files with 12 additions and 1 deletions
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13
Modules/ExternalProject.cmake
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@@ -909,7 +909,18 @@ Miscellaneous Options
replace ``;`` with ``<sep>`` in the specified command lines.
This can be useful where list variables may be given in commands where
they should end up as space-separated arguments (``<sep>`` would be a
single space character string in this case).
single space character string in this case). Note that the separator should
be chosen to avoid being confused for non-list-separator usages of the
sequence. For example, using ``LIST_SEPARATOR`` allows for passing list
values to CMake cache variables on the command line:
.. code-block:: cmake
ExternalProject_Add(example
... # Download options, etc.
LIST_SEPARATOR ","
CMAKE_ARGS "-DCMAKE_PREFIX_PATH:STRING=${first_prefix},${second_prefix}"
)
``COMMAND <cmd>...``
Any of the other ``..._COMMAND`` options can have additional commands