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dune-config(5)			  Dune manual			dune-config(5)

       dune-config - configuring the dune build	system


       Unless --no-config or -p	is passed, Dune	will read a configuration file
       from the	user home directory. This file is used to control various
       aspects of the behavior of Dune.

       The configuration file is normally ~/.config/dune/config	on Unix
       systems and Local Settings/dune/config in the User home directory on
       Windows.	However, it is possible	to specify an alternative
       configuration file with the --config-file option.

       The first line of the file must be of the form (lang dune X.Y) where
       X.Y is the version of the dune language used in the file.

       The rest	of the file must be written in S-expression syntax and be
       composed	of a list of stanzas. The following sections describe the
       stanzas available.

       Syntax: (display	MODE)

       This stanza controls how	Dune reports what it is	doing to the user.
       This parameter can also be set from the command line via	--display
       MODE. The following display modes are available:

	   This	is the default,	Dune shows and update a	status line as build
	   goals are being completed.

	   Only	display	errors.

	   Print one line per command being executed, with the binary name on
	   the left and	the reason it is being executed	for on the right.

	   Print the full command lines	of programs being executed by Dune,
	   with	some colors to help differentiate programs.

       Note that when the selected display mode	is progress and	the output is
       not a terminal then the quiet mode is selected instead. This rule
       doesn't apply when running Dune inside Emacs. Dune detects whether it
       is executed from	inside Emacs or	not by looking at the environment
       variable	INSIDE_EMACS that is set by Emacs. If you want the same
       behavior	with another editor, you can set this variable.	If your	editor
       already sets another variable, please open a ticket on the ocaml/dune
       github project so that we can add support for it.

       Syntax: (jobs NUMBER)

       Set the maximum number of jobs Dune might run in	parallel. This can
       also be set from	the command line via -j	NUMBER.

       The default for this value is 4.

       Check bug reports at

Dune								dune-config(5)


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