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Problem at hand: dependents (like FairRoot) need to know the minimum C++ standard level that FairMQ (and its headers) requires. The first idea is to let the targets export their CXX_STANDARD value. First, this doesn't seem to work as expected. Second, target_compile_features() seems to be the better way to go. It has a much better granularity, automatically has the export feature, and thus should make dependents behave correctly. Also drop all of this enforeced CMAKE_CXX_STANDARD* setting. If it's given, check it. But that's it. See: https://gitlab.kitware.com/cmake/cmake/-/issues/18446 See: https://cmake.org/cmake/help/latest/manual/cmake-compile-features.7.html#requiring-language-standards |
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| .. | ||
| cotire.cmake | ||
| FairMQConfig.cmake.in | ||
| FairMQLib.cmake | ||
| Findasio.cmake | ||
| FindPicoSHA2.cmake | ||
| FindPMIx.cmake | ||
| FindZeroMQ.cmake | ||
| GTestHelper.cmake | ||