cmake: Overhaul downstream config to properly export version and dependencies #230
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tmadlener
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After the discussion at todays meeting it looks like k4FWCore handles all the things also for older podio versions, so we can keep the compatibility for now. |
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jmcarcell
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jmcarcell
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Oct 7, 2024
cmake/k4FWCoreCreateConfig.cmake
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| include(CMakePackageConfigHelpers) | ||
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| configure_package_config_file(${PROJECT_SOURCE_DIR}/cmake/k4FWCoreConfig.cmake.in | ||
| ${PROJECT_BINARY_DIR}/k4FWCoreConfig.cmake | ||
| INSTALL_DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/k4FWCore | ||
| PATH_VARS CMAKE_INSTALL_INCLUDEDIR CMAKE_INSTALL_LIBDIR) |
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I would put these in the main CMakeLists.txt, it's only a few more lines.
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It will become a few more once we start to also export version information properly. Since we have a usable tag already, should I add that as well?
jmcarcell
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Oct 8, 2024
CMakeLists.txt
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| gaudi_install(CMAKE ${PROJECT_BINARY_DIR}/k4FWCoreConfig.cmake) |
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| gaudi_install(CMAKE ${PROJECT_BINARY_DIR}/k4FWCoreConfig.cmake) | |
| install(FILES ${PROJECT_BINARY_DIR}/k4FWCoreConfig.cmake DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/k4FWCore) |
It's a single cmake file, gaudi_install doesn't do anything special for us and this is clearer (and we can check that the paths here and given to configure_package_config_file match).
- Make sure all required dependencies are also detected in downstream users - Add some legacy variables
Move all downstream related config to one file
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BEGINRELEASENOTES
k4FWCoreConfig.cmaketo put a bit more information in thereENDRELEASENOTES
There are a few things that we could also address while we are here
1.0pre-release cycle, maybe we should start to do so (and then also propagate that information to downstream consumers)MetadataSvc(Add a metadata service and a test #215 and Fix accessing input file metadata in MetadataSvc #223), I think we need at least podio 1.0 in any case.Fixes #166