diff options
Diffstat (limited to 'guix/build/gnu-build-system.scm')
| -rw-r--r-- | guix/build/gnu-build-system.scm | 130 |
1 files changed, 85 insertions, 45 deletions
diff --git a/guix/build/gnu-build-system.scm b/guix/build/gnu-build-system.scm index e5f3197b0a..4df0bb4904 100644 --- a/guix/build/gnu-build-system.scm +++ b/guix/build/gnu-build-system.scm @@ -1,5 +1,5 @@ ;;; GNU Guix --- Functional package management for GNU -;;; Copyright © 2012, 2013, 2014, 2015, 2016, 2017, 2018 Ludovic Courtès <ludo@gnu.org> +;;; Copyright © 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 Ludovic Courtès <ludo@gnu.org> ;;; Copyright © 2018 Mark H Weaver <mhw@netris.org> ;;; ;;; This file is part of GNU Guix. @@ -25,6 +25,7 @@ #:use-module (ice-9 match) #:use-module (ice-9 regex) #:use-module (ice-9 format) + #:use-module (ice-9 ftw) #:use-module (srfi srfi-1) #:use-module (srfi srfi-19) #:use-module (srfi srfi-34) @@ -58,19 +59,14 @@ See https://reproducible-builds.org/specs/source-date-epoch/." (setenv "SOURCE_DATE_EPOCH" "1") #t) -(define (first-subdirectory dir) - "Return the path of the first sub-directory of DIR." - (file-system-fold (lambda (path stat result) - (string=? path dir)) - (lambda (path stat result) result) ; leaf - (lambda (path stat result) result) ; down - (lambda (path stat result) result) ; up - (lambda (path stat result) ; skip - (or result path)) - (lambda (path stat errno result) ; error - (error "first-subdirectory" (strerror errno))) - #f - dir)) +(define (first-subdirectory directory) + "Return the file name of the first sub-directory of DIRECTORY." + (match (scandir directory + (lambda (file) + (and (not (member file '("." ".."))) + (file-is-directory? (string-append directory "/" + file))))) + ((first . _) first))) (define* (set-paths #:key target inputs native-inputs (search-paths '()) (native-search-paths '()) @@ -735,23 +731,64 @@ which cannot be found~%" (define* (install-license-files #:key outputs (license-file-regexp %license-file-regexp) + out-of-source? #:allow-other-keys) "Install license files matching LICENSE-FILE-REGEXP to 'share/doc'." + (define (find-source-directory package) + ;; For an out-of-source build, guess the source directory location + ;; relative to the current directory. Return #f on failure. + (match (scandir ".." + (lambda (file) + (and (not (member file '("." ".." "build"))) + (file-is-directory? + (string-append "../" file))))) + (() ;hmm, no source + #f) + ((source) ;only one other file + (string-append "../" source)) + ((directories ...) ;pick the most likely one + ;; This happens for example with libstdc++, which lives within the GCC + ;; source tree. + (any (lambda (directory) + (and (string-prefix? package directory) + (string-append "../" directory))) + directories)))) + + (define (copy-to-directories directories sub-directory) + (lambda (file) + (for-each (if (file-is-directory? file) + (cut copy-recursively file <>) + (cut install-file file <>)) + (map (cut string-append <> "/" sub-directory) + directories)))) + (let* ((regexp (make-regexp license-file-regexp)) (out (or (assoc-ref outputs "out") (match outputs (((_ . output) _ ...) output)))) (package (strip-store-file-name out)) - (directory (string-append out "/share/doc/" package)) - (files (scandir "." (lambda (file) - (regexp-exec regexp file))))) - (format #t "installing ~a license files~%" (length files)) - (for-each (lambda (file) - (if (file-is-directory? file) - (copy-recursively file directory) - (install-file file directory))) - files) + (outputs (match outputs + (((_ . outputs) ...) + outputs))) + (source (if out-of-source? + (find-source-directory + (package-name->name+version package)) + ".")) + (files (and source + (scandir source + (lambda (file) + (regexp-exec regexp file)))))) + (if files + (begin + (format #t "installing ~a license files from '~a'~%" + (length files) source) + (for-each (copy-to-directories outputs + (string-append "share/doc/" + package)) + (map (cut string-append source "/" <>) files))) + (format (current-error-port) + "failed to find license files~%")) #t)) (define %standard-phases @@ -784,34 +821,37 @@ in order. Return #t if all the PHASES succeeded, #f otherwise." (+ (time-second diff) (/ (time-nanosecond diff) 1e9)))) - (setvbuf (current-output-port) _IOLBF) - (setvbuf (current-error-port) _IOLBF) + (setvbuf (current-output-port) 'line) + (setvbuf (current-error-port) 'line) ;; Encoding/decoding errors shouldn't be silent. (fluid-set! %default-port-conversion-strategy 'error) - ;; The trick is to #:allow-other-keys everywhere, so that each procedure in - ;; PHASES can pick the keyword arguments it's interested in. - (every (match-lambda - ((name . proc) - (let ((start (current-time time-monotonic))) - (format #t "starting phase `~a'~%" name) - (let ((result (apply proc args)) - (end (current-time time-monotonic))) - (format #t "phase `~a' ~:[failed~;succeeded~] after ~,1f seconds~%" - name result - (elapsed-time end start)) - - ;; Issue a warning unless the result is #t. - (unless (eqv? result #t) - (format (current-error-port) "\ + (guard (c ((invoke-error? c) + (report-invoke-error c) + (exit 1))) + ;; The trick is to #:allow-other-keys everywhere, so that each procedure in + ;; PHASES can pick the keyword arguments it's interested in. + (every (match-lambda + ((name . proc) + (let ((start (current-time time-monotonic))) + (format #t "starting phase `~a'~%" name) + (let ((result (apply proc args)) + (end (current-time time-monotonic))) + (format #t "phase `~a' ~:[failed~;succeeded~] after ~,1f seconds~%" + name result + (elapsed-time end start)) + + ;; Issue a warning unless the result is #t. + (unless (eqv? result #t) + (format (current-error-port) "\ ## WARNING: phase `~a' returned `~s'. Return values other than #t ## are deprecated. Please migrate this package so that its phase ## procedures report errors by raising an exception, and otherwise ## always return #t.~%" - name result)) + name result)) - ;; Dump the environment variables as a shell script, for handy debugging. - (system "export > $NIX_BUILD_TOP/environment-variables") - result)))) - phases)) + ;; Dump the environment variables as a shell script, for handy debugging. + (system "export > $NIX_BUILD_TOP/environment-variables") + result)))) + phases))) |