CMake/Help/release/dev/genex-compile-only.rst at 4d5c32fa2cd0170617d1ab489b17ec7fee87b89d - CMake - Gitea - ZeroTwo

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Ben Boeckel 0fb923c460 cmGeneratorExpressionNode: implement COMPILE_ONLY genex

This generator expression is the inverse of `LINK_ONLY` and only coveys
usage requirements for the purposes of compilation. Its intended use is
to avoid needing to export targets that do not have link usage
requirements (e.g., header-only libraries) when used by another target.

It will also be used to represent private usage requirements on exported
C++ module-containing targets in the future.

Eventually there should be logic to collapse nesting of
`$<COMPILE_ONLY>` and `$<LINK_ONLY>` when generating instances of
either. A TODO is left in the code for this case.

See: #15415

2023-04-12 10:43:48 -04:00

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 genex-compile-only
 ------------------
 * The :genex:`COMPILE_ONLY` generator expression has been added which provides
   compilation usage requirements without any linking requirements.