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guix/build-aux/compile-all.scm

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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2016 Taylan Ulrich Bayırlı/Kammer <taylanbayirli@gmail.com>
;;; Copyright © 2016, 2017 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Guix is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
(use-modules (system base target)
(system base message)
(ice-9 match)
(ice-9 threads)
(guix build utils))
(define warnings
'(unsupported-warning format unbound-variable arity-mismatch))
(define host (getenv "host"))
(define srcdir (getenv "srcdir"))
(define (relative-file file)
(if (string-prefix? (string-append srcdir "/") file)
(string-drop file (+ 1 (string-length srcdir)))
file))
(define (file-mtime<? f1 f2)
(< (stat:mtime (stat f1))
(stat:mtime (stat f2))))
(define (scm->go file)
(let* ((relative (relative-file file))
(without-extension (string-drop-right relative 4)))
(string-append without-extension ".go")))
(define (file-needs-compilation? file)
(let ((go (scm->go file)))
(or (not (file-exists? go))
(file-mtime<? go file))))
(define (file->module file)
(let* ((relative (relative-file file))
(module-path (string-drop-right relative 4)))
(map string->symbol
(string-split module-path #\/))))
;;; To work around <http://bugs.gnu.org/15602> (FIXME), we want to load all
;;; files to be compiled first. We do this via resolve-interface so that the
;;; top-level of each file (module) is only executed once.
(define (load-module-file file)
(let ((module (file->module file)))
(format #t " LOAD ~a~%" module)
(resolve-interface module)))
(cond-expand
(guile-2.2 (use-modules (language tree-il optimize)
(language cps optimize)))
(else #f))
(define %default-optimizations
;; Default optimization options (equivalent to -O2 on Guile 2.2).
(cond-expand
(guile-2.2 (append (tree-il-default-optimization-options)
(cps-default-optimization-options)))
(else '())))
(define %lightweight-optimizations
;; Lightweight optimizations (like -O0, but with partial evaluation).
(let loop ((opts %default-optimizations)
(result '()))
(match opts
(() (reverse result))
((#:partial-eval? _ rest ...)
(loop rest `(#t #:partial-eval? ,@result)))
((kw _ rest ...)
(loop rest `(#f ,kw ,@result))))))
(define (optimization-options file)
(if (string-contains file "gnu/packages/")
%lightweight-optimizations ;build faster
'()))
(define (compile-file* file output-mutex)
(let ((go (scm->go file)))
(with-mutex output-mutex
(format #t " GUILEC ~a~%" go)
(force-output))
(mkdir-p (dirname go))
(with-fluids ((*current-warning-prefix* ""))
(with-target host
(lambda ()
(compile-file file
#:output-file go
#:opts `(#:warnings ,warnings
,@(optimization-options file))))))))
;; Install a SIGINT handler to give unwind handlers in 'compile-file' an
;; opportunity to run upon SIGINT and to remove temporary output files.
(sigaction SIGINT
(lambda args
(exit 1)))
(match (command-line)
((_ . files)
(let ((files (filter file-needs-compilation? files)))
(for-each load-module-file files)
(let ((mutex (make-mutex)))
;; Make sure compilation related modules are loaded before starting to
;; compile files in parallel.
(compile #f)
(par-for-each (lambda (file)
(compile-file* file mutex))
files)))))
;;; Local Variables:
;;; eval: (put 'with-target 'scheme-indent-function 1)
;;; End: