[Qt-creator] How to override clangtools target triplet and how to exlude unknown compiler flags?

[Christian Kandeler]

On 1/14/26 1:24 PM, Richard Weickelt wrote:
> In a QtCreator project I am using a GCC toolchain for an exotic CPU 
> architecture. The clangd code models fails to parse the source files. 
> I get:
>
> LanguageClient clangd for MyProject (MyKit), Minimum Size Release): 
> Error -32001: invalid AST
>
> Looking further into the log, I find:
>
> 13:10:43.981 qtc.clangtools.runner: Output:
>  error: unknown target triple 'ba-none-unknown-elf' 
> [clang-diagnostic-error]
>
> The log reported more compiler flag errors which I got rid of by the 
> environment variable QTC_CLANG_CMD_OPTIONS_BLACKLIST. That's a 
> terrible solution though. Specifying compiler flags to be ignored in a 
> .clangd file did not work although the QtCreator GUI indicates that 
> .clangd files are supported.
If your build dir is not inside the source dir, I suppose clangd will 
not find the .clangd file, as its project root is the 
compile_commands.json file. Try using the general config.yaml and 
constraining it to your project e.g. via wildcards.

> When setting up the compiler, QtCreator fails to identify the ABI 
> properties,
Meaning what exactly?`

>  but overriding them in the compiler setup in QtCreator has absolutely 
> no effect.

Did you try the "override for code model" option?


Christian