@@ 1,5 1,6 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2013, 2014 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2015 Taylan Ulrich Bayırlı/Kammer <taylanbayirli@gmail.com>
;;;
;;; This file is part of GNU Guix.
;;;
@@ 22,6 23,7 @@
#:use-module (ice-9 ftw)
#:use-module (ice-9 match)
#:use-module (ice-9 format)
+ #:use-module (ice-9 threads)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-11)
#:use-module (srfi srfi-26)
@@ 33,75 35,10 @@
;;;
;;; Code:
-(define (call-with-process thunk)
- "Run THUNK in a separate process that will return 0 if THUNK terminates
-normally, and 1 if an exception is raised."
- (match (primitive-fork)
- (0
- (catch #t
- (lambda ()
- (thunk)
- (primitive-exit 0))
- (lambda (key . args)
- (print-exception (current-error-port) #f key args)
- (primitive-exit 1))))
- (pid
- #t)))
-
-(define* (report-build-progress total completed cont
- #:optional (log-port (current-error-port)))
- "Report that COMPLETED out of TOTAL files have been completed, and call
-CONT."
- (display #\cr log-port)
- (format log-port "compiling...\t~5,1f% of ~d files" ;FIXME: i18n
- (* 100. (/ completed total)) total)
- (force-output log-port)
- (cont))
-
-(define* (p-for-each proc lst
- #:optional (max-processes (current-processor-count))
- #:key (progress report-build-progress))
- "Invoke PROC for each element of LST in a separate process, using up to
-MAX-PROCESSES processes in parallel. Call PROGRESS at each step, passing it
-the continuation. Raise an error if one of the processes exit with non-zero."
- (define total
- (length lst))
-
- (define (wait-for-one-process)
- (match (waitpid WAIT_ANY)
- ((_ . status)
- (unless (zero? (status:exit-val status))
- (error "process failed" proc status)))))
-
- (let loop ((lst lst)
- (running 0)
- (completed 0))
- (match lst
- (()
- (or (zero? running)
- (let ((running (- running 1))
- (completed (+ completed 1)))
- (wait-for-one-process)
- (progress total completed
- (lambda ()
- (loop lst running completed))))))
- ((head . tail)
- (if (< running max-processes)
- (let ((running (+ 1 running)))
- (call-with-process (cut proc head))
- (progress total completed
- (lambda ()
- (loop tail running completed))))
- (let ((running (- running 1))
- (completed (+ completed 1)))
- (wait-for-one-process)
- (progress total completed
- (lambda ()
- (loop lst running completed)))))))))
-
(define* (build-guix out source
#:key gcrypt
- (debug-port (%make-void-port "w")))
+ (debug-port (%make-void-port "w"))
+ (log-port (current-error-port)))
"Build and install Guix in directory OUT using SOURCE, a directory
containing the source code. Write any debugging output to DEBUG-PORT."
(setvbuf (current-output-port) _IOLBF)
@@ 130,33 67,57 @@ containing the source code. Write any debugging output to DEBUG-PORT."
(set! %load-path (cons out %load-path))
(set! %load-compiled-path (cons out %load-compiled-path))
- ;; Compile the .scm files. Do that in independent processes, à la
- ;; 'make -j', to work around <http://bugs.gnu.org/15602> (FIXME).
- ;; This ensures correctness, but is overly conservative and slow.
- ;; The solution initially implemented (and described in the bug
- ;; above) was slightly faster but consumed memory proportional to the
- ;; number of modules, which quickly became unacceptable.
- (p-for-each (lambda (file)
- (let ((go (string-append (string-drop-right file 4)
- ".go")))
- (format debug-port "~%compiling '~a'...~%" file)
- (parameterize ((current-warning-port debug-port))
- (compile-file file
- #:output-file go
- #:opts
- %auto-compilation-options))))
-
- (filter (cut string-suffix? ".scm" <>)
-
- ;; Build guix/*.scm before gnu/*.scm to speed
- ;; things up.
- (sort (find-files out "\\.scm")
- (let ((guix (string-append out "/guix"))
- (gnu (string-append out "/gnu")))
- (lambda (a b)
- (or (and (string-prefix? guix a)
- (string-prefix? gnu b))
- (string<? a b))))))))
+ ;; Compile the .scm files. Load all the files before compiling them to
+ ;; work around <http://bugs.gnu.org/15602> (FIXME).
+ (let* ((files
+ ;; Load guix/ modules before gnu/ modules to get somewhat steadier
+ ;; progress reporting.
+ (sort (filter (cut string-suffix? ".scm" <>)
+ (find-files out "\\.scm"))
+ (let ((guix (string-append out "/guix"))
+ (gnu (string-append out "/gnu")))
+ (lambda (a b)
+ (or (and (string-prefix? guix a)
+ (string-prefix? gnu b))
+ (string<? a b))))))
+ (total (length files)))
+ (let loop ((files files)
+ (completed 0))
+ (match files
+ (() *unspecified*)
+ ((file . files)
+ (display #\cr log-port)
+ (format log-port "loading...\t~5,1f% of ~d files" ;FIXME: i18n
+ (* 100. (/ completed total)) total)
+ (force-output log-port)
+ (format debug-port "~%loading '~a'...~%" file)
+ ;; Turn "<out>/foo/bar.scm" into (foo bar).
+ (let* ((relative-file (string-drop file (+ (string-length out) 1)))
+ (module-path (string-drop-right relative-file 4))
+ (module-name (map string->symbol
+ (string-split module-path #\/))))
+ (parameterize ((current-warning-port debug-port))
+ (resolve-interface module-name)))
+ (loop files (+ 1 completed)))))
+ (newline)
+ (let ((mutex (make-mutex))
+ (completed 0))
+ (par-for-each
+ (lambda (file)
+ (with-mutex mutex
+ (display #\cr log-port)
+ (format log-port "compiling...\t~5,1f% of ~d files" ;FIXME: i18n
+ (* 100. (/ completed total)) total)
+ (force-output log-port)
+ (format debug-port "~%compiling '~a'...~%" file))
+ (let ((go (string-append (string-drop-right file 4) ".go")))
+ (parameterize ((current-warning-port (%make-void-port "w")))
+ (compile-file file
+ #:output-file go
+ #:opts %auto-compilation-options)))
+ (with-mutex mutex
+ (set! completed (+ 1 completed))))
+ files))))
;; Remove the "fake" (guix config).
(delete-file (string-append out "/guix/config.scm"))