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