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author | Ben Boeckel <ben.boeckel@kitware.com> | 2023-01-15 04:58:28 (GMT) |
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committer | Robert Maynard <rmaynard@nvidia.com> | 2023-04-12 14:43:48 (GMT) |
commit | 0fb923c46041d67110c8e0907afdf66b3b25f25a (patch) | |
tree | 471126bf0dcb9ef4481716d38524b57a01ca2973 /.gitlab | |
parent | 6c11f7e4a8805189835c04a398864f96081b3183 (diff) | |
download | CMake-0fb923c46041d67110c8e0907afdf66b3b25f25a.zip CMake-0fb923c46041d67110c8e0907afdf66b3b25f25a.tar.gz CMake-0fb923c46041d67110c8e0907afdf66b3b25f25a.tar.bz2 |
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
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