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Help: try_compile how to pass compiler options

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it wasn't obvious how to pass compiler options. Since the old
add_definitions() is used we can workaround this by passing
compiler options there.
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scivision 2024-05-11 22:55:46 -04:00
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Help/command/try_compile.rst
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@ -156,8 +156,9 @@ The options for the above signatures are:
Specify flags of the form :option:`-DVAR:TYPE=VALUE <cmake -D>` to be passed
to the :manual:`cmake(1)` command-line used to drive the test build.
The above example shows how values for variables
``INCLUDE_DIRECTORIES``, ``LINK_DIRECTORIES``, and ``LINK_LIBRARIES``
are used.
``COMPILE_DEFINITIONS``, ``INCLUDE_DIRECTORIES``, ``LINK_DIRECTORIES``,
``LINK_LIBRARIES``, and ``LINK_OPTIONS`` are used. Compiler options
can be passed in like `CMAKE_FLAGS -DCOMPILE_DEFINITIONS=-Werror`.
``COMPILE_DEFINITIONS <defs>...``
Specify ``-Ddefinition`` arguments to pass to :command:`add_definitions`