Variable: TeX-output-dir
TeX-output-dir is a customizable and buffer-local variable defined in
tex.el.
Documentation
The path of the directory where output files should be placed.
A relative path is interpreted as being relative to the master
file in TeX-master. The path cannot contain a directory that
starts with '.'. If this variable is nil, the output directory
is assumed to be the same as the directory of TeX-master.
Source Code
;; Defined in ~/.emacs.d/elpa/auctex-14.1.2/tex.el
(defcustom TeX-output-dir nil
"The path of the directory where output files should be placed.
A relative path is interpreted as being relative to the master
file in `TeX-master'. The path cannot contain a directory that
starts with '.'. If this variable is nil, the output directory
is assumed to be the same as the directory of `TeX-master'."
:group 'TeX-file
:safe #'string-or-null-p
:type '(choice (const :tag "Directory of master file" nil)
(string :tag "Custom" "build"))
:local t)