I'm using kate to work on a Qt project. I have the LSP plugin installed. It analyzes the code, but gets stuck because it apparently can't find common Qt headers.
For example, in a file with

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#include <QString>

it reports

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clang: 'QString' file not found

This does make some sense, as the file is QtCore/qstring.h, but I would guess it would be intelligent enough to realize this, given that the project compiles fine (but with GCC).

Is there any configuration I should fix for LSP to find the headers?

Is compile_commands.json generated by your build tool (cmake/meson etc) ?

Petross404 (petross) wrote:Is compile_commands.json generated by your build tool (cmake/meson etc) ?

Indeed, that was the problem. Making sure it was generated by adding

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set(CMAKE_EXPORT_COMPILE_COMMANDS True)

to the file CMakeLists.txt fixed the problem (at least for most files).