auctex-cont-latexmk

This package provides a minor mode that compiles a LaTeX document
via latexmk, reporting errors via `flymake'.

In multifile documents, you may independently enable continuous
compilation and Flymake diagnostics in multiple buffers.  The
compilation process will automatically be shared among these
buffers.  This ensures errors and warnings from latexmk appear
directly in the buffer containing the source code causing them.

Usage:
- Use `auctex-cont-latexmk-toggle' to activate compilation and Flymake
simultaneously (recommended default workflow).
- Alternatively, call `auctex-cont-latexmk-mode' directly to enable
continuous compilation without automatically enabling Flymake.
In this case, you may manually add the Flymake backend as needed.