build: emacs-utils: Add 'emacs-byte-compile-directory'.

* guix/build/emacs-utils.scm (emacs-byte-compile-directory): New procedure.
This commit is contained in:
Federico Beffa 2015-06-16 21:09:57 +02:00
parent 7f74a931dd
commit 1d44b4e544

@ -22,6 +22,7 @@
emacs-batch-eval
emacs-batch-edit-file
emacs-generate-autoloads
emacs-byte-compile-directory
emacs-substitute-sexps
emacs-substitute-variables))
@ -57,6 +58,16 @@
(update-directory-autoloads ,directory))))
(emacs-batch-eval expr)))
(define* (emacs-byte-compile-directory dir #:optional (dependency-dirs '()))
"Byte compile all files in DIR and its sub-directories. Before compiling
the files, add DIR and all directories in DEPENDENCY-DIRS to 'load-path'."
(let ((expr `(progn
(add-to-list 'load-path ,dir)
(when ',dependency-dirs
(setq load-path (append ',dependency-dirs load-path)))
(byte-recompile-directory (file-name-as-directory ,dir) 0))))
(emacs-batch-eval expr)))
(define-syntax emacs-substitute-sexps
(syntax-rules ()
"Substitute the S-expression immediately following the first occurrence of