guix-build: Add `--cores'.
* guix-build.in (leave): New macro, formerly in `guix-build'. (show-help): Document `--cores'. (%options): Add `--cores'. (guix-build): Remove `leave' macro from here. Pass the `cores' option value to `set-build-options'.master
Ludovic Courtès
parent
febaa88569
commit
fa14d96e6f
144
guix-build.in
144
guix-build.in
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@ -64,6 +64,12 @@ exec ${GUILE-@GUILE@} -L "@guilemoduledir@" -l "$0" \
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;; Alist of default option values.
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'())
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(define-syntax-rule (leave fmt args ...)
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"Format FMT and ARGS to the error port and exit."
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(begin
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(format (current-error-port) fmt args ...)
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(exit 1)))
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(define (show-version)
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(display "guix-build (@PACKAGE_NAME@) @PACKAGE_VERSION@\n"))
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@ -76,6 +82,8 @@ Build the given PACKAGE-OR-DERIVATION and return their output paths.\n"))
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-K, --keep-failed keep build tree of failed builds"))
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(display (_ "
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-n, --dry-run do not build the derivations"))
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(display (_ "
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-c, --cores=N allow the use of up to N CPU cores for the build"))
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(newline)
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(display (_ "
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-h, --help display this help and exit"))
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@ -104,6 +112,12 @@ Report bugs to: ~a.~%") "@PACKAGE_BUGREPORT@"))
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(option '(#\K "keep-failed") #f #f
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(lambda (opt name arg result)
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(alist-cons 'keep-failed? #t result)))
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(option '(#\c "cores") #t #f
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(lambda (opt name arg result)
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(let ((c (false-if-exception (string->number arg))))
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(if c
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(alist-cons 'cores c result)
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(leave (_ "~a: not a number~%") arg)))))
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(option '(#\n "dry-run") #f #F
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(lambda (opt name arg result)
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(alist-cons 'dry-run? #t result)))))
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@ -114,74 +128,70 @@ Report bugs to: ~a.~%") "@PACKAGE_BUGREPORT@"))
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;;;
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(define (guix-build . args)
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(let-syntax ((leave (syntax-rules ()
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((_ fmt args ...)
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(begin
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(format (current-error-port) fmt args ...)
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(exit 1))))))
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(define (parse-options)
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;; Return the alist of option values.
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(args-fold args %options
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(lambda (opt name arg result)
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(leave (_ "~A: unrecognized option") opt))
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(lambda (arg result)
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(alist-cons 'argument arg result))
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%default-options))
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(define (parse-options)
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;; Return the alist of option values.
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(args-fold args %options
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(lambda (opt name arg result)
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(leave (_ "~A: unrecognized option~%") opt))
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(lambda (arg result)
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(alist-cons 'argument arg result))
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%default-options))
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(setlocale LC_ALL "")
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(textdomain "guix")
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(setvbuf (current-output-port) _IOLBF)
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(setvbuf (current-error-port) _IOLBF)
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(setlocale LC_ALL "")
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(textdomain "guix")
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(setvbuf (current-output-port) _IOLBF)
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(setvbuf (current-error-port) _IOLBF)
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(let* ((opts (parse-options))
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(drv (filter-map (match-lambda
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(('expression . exp)
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(derivations-from-package-expressions exp))
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(('argument . (? derivation-path? drv))
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drv)
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(('argument . (? string? x))
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(match (find-packages-by-name x)
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((p _ ...)
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(package-derivation %store p))
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(_
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(leave (_ "~A: unknown package") x))))
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(_ #f))
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opts))
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(req (append-map (lambda (drv-path)
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(let ((d (call-with-input-file drv-path
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read-derivation)))
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(derivation-prerequisites-to-build %store d)))
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drv))
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(req* (delete-duplicates
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(append (remove (compose (cut valid-path? %store <>)
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derivation-path->output-path)
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drv)
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(map derivation-input-path req)))))
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(if (assoc-ref opts 'dry-run?)
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(format (current-error-port)
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(N_ "~:[the following derivation would be built:~%~{ ~a~%~}~;~]"
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"~:[the following derivations would be built:~%~{ ~a~%~}~;~]"
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(length req*))
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(null? req*) req*)
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(format (current-error-port)
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(N_ "~:[the following derivation will be built:~%~{ ~a~%~}~;~]"
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"~:[the following derivations will be built:~%~{ ~a~%~}~;~]"
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(length req*))
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(null? req*) req*))
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(let* ((opts (parse-options))
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(drv (filter-map (match-lambda
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(('expression . exp)
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(derivations-from-package-expressions exp))
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(('argument . (? derivation-path? drv))
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drv)
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(('argument . (? string? x))
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(match (find-packages-by-name x)
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((p _ ...)
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(package-derivation %store p))
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(_
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(leave (_ "~A: unknown package~%") x))))
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(_ #f))
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opts))
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(req (append-map (lambda (drv-path)
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(let ((d (call-with-input-file drv-path
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read-derivation)))
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(derivation-prerequisites-to-build %store d)))
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drv))
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(req* (delete-duplicates
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(append (remove (compose (cut valid-path? %store <>)
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derivation-path->output-path)
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drv)
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(map derivation-input-path req)))))
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(if (assoc-ref opts 'dry-run?)
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(format (current-error-port)
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(N_ "~:[the following derivation would be built:~%~{ ~a~%~}~;~]"
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"~:[the following derivations would be built:~%~{ ~a~%~}~;~]"
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(length req*))
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(null? req*) req*)
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(format (current-error-port)
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(N_ "~:[the following derivation will be built:~%~{ ~a~%~}~;~]"
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"~:[the following derivations will be built:~%~{ ~a~%~}~;~]"
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(length req*))
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(null? req*) req*))
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;; TODO: Add more options.
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(set-build-options %store
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#:keep-failed? (assoc-ref opts 'keep-failed?))
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;; TODO: Add more options.
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(set-build-options %store
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#:keep-failed? (assoc-ref opts 'keep-failed?)
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#:build-cores (or (assoc-ref opts 'cores) 1))
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(or (assoc-ref opts 'dry-run?)
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(and (build-derivations %store drv)
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(for-each (lambda (d)
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(let ((drv (call-with-input-file d
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read-derivation)))
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(format #t "~{~a~%~}"
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(map (match-lambda
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((out-name . out)
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(derivation-path->output-path
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d out-name)))
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(derivation-outputs drv)))))
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drv))))))
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(or (assoc-ref opts 'dry-run?)
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(and (build-derivations %store drv)
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(for-each (lambda (d)
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(let ((drv (call-with-input-file d
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read-derivation)))
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(format #t "~{~a~%~}"
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(map (match-lambda
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((out-name . out)
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(derivation-path->output-path
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d out-name)))
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(derivation-outputs drv)))))
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drv)))))
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