V4 clang with DWARF5 and dynamic linking generates bad debug info

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    • Type: Bug
    • Resolution: Fixed
    • Priority: Major - P3
    • 6.3.0-rc0
    • Affects Version/s: None
    • Component/s: None
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      ./buildscripts/scons.py --dbg --variables-files=etc/scons/developer_versions.vars --variables-files=etc/scons/mongodbtoolchain_v4_clang.vars ICECC=icecc CCACHE=ccache --link-model=dynamic --modules= --ninja
ninja -j400 install-mongod
/opt/mongodbtoolchain/v4/bin/gdb build/install/bin/mongod
b mongod_main
r
c
info locals

       

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        ./buildscripts/scons.py --dbg --variables-files=etc/scons/developer_versions.vars --variables-files=etc/scons/mongodbtoolchain_v4_clang.vars ICECC=icecc CCACHE=ccache --link-model=dynamic --modules= --ninja ninja -j400 install-mongod /opt/mongodbtoolchain/v4/bin/gdb build/install/bin/mongod b mongod_main r c info locals  
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      It seems clang does not support this combination, we could set clang back to DWARF4 for this specific combination, when building dynamic we will have plenty of room for debug info as it will be spread out across the libraries, so we don't really need DWARF64 support in this case.

            Assignee:
            Daniel Moody
            Reporter:
            Daniel Moody
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              Created:
              Updated:
              Resolved: