Error messages should be reported in GNU style on Linux. This will ease interoperability with existing IDEs. The GNU style is specified at https://www.gnu.org/prep/standards/html_node/Errors.html . (It is not gcc specific; clang also follows it.)
@FeepingCreature created dlang/dmd pull request #10732 "Implement issue 20515: add command line flag to allow selecting GNU message style for errors and warnings." mentioning this issue: - Implement issue 20515: add command line flag to allow selecting GNU message style for errors and warnings. https://github.com/dlang/dmd/pull/10732
dlang/dmd pull request #10732 "Implement issue 20515: add command line flag to allow selecting GNU message style for errors and warnings." was merged into master: - 09a1a3884834b85d92b21eadbe758fdeb5e3206c by Mathis Beer: Implement issue 20515: add command line flag to allow selecting GNU message style for errors and warnings. https://github.com/dlang/dmd/pull/10732