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c397dfca03
* build-aux/compile-all.scm <top level>: Add calls to 'force-output'
in the #:report-load and #:report-compilation procedures. Fixes a
regression introduced in 2890ad332f
whereby compilation output would be buffered, leading to a weird
visual effect.
101 lines
3.9 KiB
Scheme
101 lines
3.9 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 (ice-9 match)
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(ice-9 threads)
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(srfi srfi-1)
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(guix build compile)
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(guix build utils))
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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* (parallel-job-count #:optional (flags (getenv "MAKEFLAGS")))
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"Return the number of parallel jobs as determined by FLAGS, the flags passed
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to 'make'."
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(match flags
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(#f (current-processor-count))
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(flags
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(let ((initial-flags (string-tokenize flags)))
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(let loop ((flags initial-flags))
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(match flags
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(()
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;; Note: GNU make prior to version 4.2 would hide "-j" flags from
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;; $MAKEFLAGS. Thus, check for a "--jobserver" flag here and
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;; assume we're using all cores if specified.
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(if (any (lambda (flag)
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(string-prefix? "--jobserver" flag))
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initial-flags)
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(current-processor-count) ;GNU make < 4.2
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1)) ;sequential make
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(("-j" (= string->number count) _ ...)
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(if (integer? count)
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count
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(current-processor-count)))
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((head tail ...)
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(if (string-prefix? "-j" head)
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(match (string-drop head 2)
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(""
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(current-processor-count))
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((= string->number count)
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(if (integer? count)
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count
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(current-processor-count))))
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(loop tail)))))))))
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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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(compile-files srcdir (getcwd)
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(filter file-needs-compilation? files)
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#:workers (parallel-job-count)
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#:host host
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#:report-load (lambda (file total completed)
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(when file
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(format #t " LOAD ~a~%" file)
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(force-output)))
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#:report-compilation (lambda (file total completed)
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(when file
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(format #t " GUILEC ~a~%"
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(scm->go file))
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(force-output))))))
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