fix: prepend target include directories #1519
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This isn't a good solution, but it works for Acts because it expicitly adds the include directories which previously weren't added at all (maybe that's the actual bug). I think what would be more functional is to prepend versions which are hinted on command line, but append versions which are found without hints. |
Capybara summary for PR 1519 |
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Briefly, what does this PR introduce?
Instead of appending target_include_directories, this PR prepend them. That ensures that compiles with custom software dependencies are not finding
/opt/local/includeheaders first.Now we get (note
/home/wdconinc/git/acts/install/includebefore/opt/local/include):[ 14%] Building CXX object src/algorithms/tracking/CMakeFiles/algorithms_tracking_library.dir/AmbiguitySolver.cc.o
cd /home/wdconinc/git/EICrecon/build/src/algorithms/tracking && /usr/bin/clang++ -DActs_VERSION_MAJOR=32 -DBOOST_SPIRIT_USE_PHOENIX_V3 -DDD4HEP_USE_XERCESC -DFMT_SHARED -DHAVE_PODIO -DJANA2_HAVE_PODIO=1 -DJANA2_HAVE_ROOT=1 -DPODIO_ENABLE_RNTUPLE=0 -DSPDLOG_COMPILED_LIB -DSPDLOG_FMT_EXTERNAL -DSPDLOG_SHARED_LIB -DUSE_ONNX -Dalgorithms_tracking_library_EXPORTS -I/home/wdconinc/git/EICrecon/src/algorithms/tracking -I/home/wdconinc/git/EICrecon/build/include -I/home/wdconinc/git/EICrecon/src -isystem /home/wdconinc/git/acts/install/include -isystem /opt/local/include -isystem /opt/local/include/eigen3 -isystem /opt/local/include/root -isystem /opt/software/linux-debian12-x86_64_v2/gcc-12.2.0/xerces-c-3.2.5-5j6nth35rmn64gt3xwnsbqhsexfyjxy2/include -O3 -DNDEBUG -std=c++20 -fPIC -MD -MT src/algorithms/tracking/CMakeFiles/algorithms_tracking_library.dir/AmbiguitySolver.cc.o -MF CMakeFiles/algorithms_tracking_library.dir/AmbiguitySolver.cc.o.d -o CMakeFiles/algorithms_tracking_library.dir/AmbiguitySolver.cc.o -c /home/wdconinc/git/EICrecon/src/algorithms/tracking/AmbiguitySolver.cc
(after
cmake -Bbuild -S. --fresh -DActs_ROOT=$HOME/git/acts/install/lib/cmake/)Previously, this picked up the headers in
/opt/local/includebut still tried to link to theActs_ROOTlibraries, leading to linking failures (and, worse, runtime issues).Also:
What kind of change does this PR introduce?
Please check if this PR fulfills the following:
Does this PR introduce breaking changes? What changes might users need to make to their code?
No.
Does this PR change default behavior?
No.