Add extra_target

[luyi326]

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• I have filed an issue about this change and discussed potential changes with the maintainers.
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• This is not a stylistic, refactoring, or cleanup change.

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Discussion thread for this change

Issue number: 6659

Description of this change

For CPP aspect intellij_info , check additional_compiler_inputs field and use that in swtring expansion as well

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[LeFrosch]

@luyi326 Thanks, for the PR. Looks good to me. Please just sign the CLA and we can probably merge this.

[luyi326]

Fixed commit email! @LeFrosch

[LeFrosch]

Thanks for the PR!