diff options
Diffstat (limited to 'build-aux/build-self.scm')
| -rw-r--r-- | build-aux/build-self.scm | 88 |
1 files changed, 72 insertions, 16 deletions
diff --git a/build-aux/build-self.scm b/build-aux/build-self.scm index cc702490df..a1335fea1d 100644 --- a/build-aux/build-self.scm +++ b/build-aux/build-self.scm @@ -1,5 +1,5 @@ ;;; GNU Guix --- Functional package management for GNU -;;; Copyright © 2014, 2016 Ludovic Courtès <ludo@gnu.org> +;;; Copyright © 2014, 2016, 2017 Ludovic Courtès <ludo@gnu.org> ;;; ;;; This file is part of GNU Guix. ;;; @@ -22,6 +22,7 @@ #:use-module (guix config) #:use-module (srfi srfi-1) #:use-module (srfi srfi-19) + #:use-module (ice-9 match) #:export (build)) ;;; Commentary: @@ -58,11 +59,43 @@ (define xz (first (find-best-packages-by-name "xz" #f))) +(define (false-if-wrong-guile package) + "Return #f if PACKAGE depends on the \"wrong\" major version of Guile (e.g., +2.0 instead of 2.2), otherwise return PACKAGE." + (let ((guile (any (match-lambda + ((label (? package? dep) _ ...) + (and (string=? (package-name dep) "guile") + dep))) + (package-direct-inputs package)))) + (and (or (not guile) + (string-prefix? (effective-version) + (package-version guile))) + package))) + +(define (package-for-current-guile . names) + "Return the package with one of the given NAMES that depends on the current +Guile major version (2.0 or 2.2), or #f if none of the packages matches." + (let loop ((names names)) + (match names + (() + #f) + ((name rest ...) + (match (find-best-packages-by-name name #f) + (() + (loop rest)) + ((first _ ...) + (or (false-if-wrong-guile first) + (loop rest)))))))) + (define guile-json - (first (find-best-packages-by-name "guile-json" #f))) + (package-for-current-guile "guile-json" + "guile2.2-json" + "guile2.0-json")) (define guile-ssh - (first (find-best-packages-by-name "guile-ssh" #f))) + (package-for-current-guile "guile-ssh" + "guile2.2-ssh" + "guile2.0-ssh")) ;; The actual build procedure. @@ -80,6 +113,17 @@ person's version identifier." ;; XXX: Replace with a Git commit id. (date->string (current-date 0) "~Y~m~d.~H")) +(define (guile-for-build) + "Return a derivation for Guile 2.0 or 2.2, whichever matches the currently +running Guile." + (package->derivation (cond-expand + (guile-2.2 + (canonical-package + (specification->package "guile@2.2"))) + (else + (canonical-package + (specification->package "guile@2.0")))))) + ;; The procedure below is our return value. (define* (build source #:key verbose? (version (date-version-string)) @@ -104,15 +148,19 @@ files." #~(begin (use-modules (guix build pull)) - (let ((json (string-append #$guile-json "/share/guile/site/2.0"))) + (let ((json (string-append #$guile-json "/share/guile/site/" + #$(effective-version)))) (set! %load-path - (cons* json - (string-append #$guile-ssh "/share/guile/site/2.0") - %load-path)) + (cons* json + (string-append #$guile-ssh "/share/guile/site/" + #$(effective-version)) + %load-path)) (set! %load-compiled-path - (cons* json - (string-append #$guile-ssh "/lib/guile/2.0/site-ccache") - %load-compiled-path))) + (cons* json + (string-append #$guile-ssh "/lib/guile/" + #$(effective-version) + "/site-ccache") + %load-compiled-path))) ;; XXX: The 'guile-ssh' package prior to Guix commit 92b7258 was ;; broken: libguile-ssh could not be found. Work around that. @@ -146,13 +194,21 @@ files." (current-error-port) (%make-void-port "w"))))) - (gexp->derivation "guix-latest" builder - #:modules '((guix build pull) - (guix build utils)) + (mlet %store-monad ((guile (guile-for-build))) + (gexp->derivation "guix-latest" builder + #:modules '((guix build pull) + (guix build utils) + + ;; Closure of (guix modules). + (guix modules) + (guix memoization) + (guix sets)) + + ;; Arrange so that our own (guix build …) modules are + ;; used. + #:module-path (list (top-source-directory)) - ;; Arrange so that our own (guix build …) modules are - ;; used. - #:module-path (list (top-source-directory)))) + #:guile-for-build guile))) ;; This file is loaded by 'guix pull'; return it the build procedure. build |