build_features.md

erg build features

debug

Enter debug mode. As a result, the behavior inside Erg is sequentially displayed in the log. Also, enable backtrace_on_stack_overflow. Independent of Rust's debug_assertions flag.

backtrace

Enable only backtrace_on_stack_overflow.

japanese

Set the system language to Japanese. Erg internal options, help (help, copyright, license, etc.) and error display are guaranteed to be Japanese.

simplified_chinese

Set the system language to Simplified Chinese. Erg internal options, help (help, copyright, license, etc.) and errors are displayed in Simplified Chinese.

traditional_chinese

Set the system language to Traditional Chinese. Erg internal options, help (help, copyright, license, etc.) and errors are displayed in Traditional Chinese.

unicode/pretty

The compiler makes the display rich.

large_thread

Increase the thread stack size. Used for Windows execution and test execution.

els

--language-server option becomes available. erg --language-server will start the Erg language server.

py_compatible

Enable Python-compatible mode, which makes parts of the APIs and syntax compatible with Python. Used for pylyzer.

experimental

Enable experimental features.

log-level-error

Only display error logs.

parallel

Enable compiler parallelization. Default is enabled.