diff options
Diffstat (limited to 'guix/build/pull.scm')
| -rw-r--r-- | guix/build/pull.scm | 149 |
1 files changed, 55 insertions, 94 deletions
diff --git a/guix/build/pull.scm b/guix/build/pull.scm index 281be23aa8..4ddb12ac04 100644 --- a/guix/build/pull.scm +++ b/guix/build/pull.scm @@ -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")) |