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Add a guile-for-build' parameter to build-expression->derivation'.

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* guix/derivations.scm (%guile-for-build): Use `nixpkgs-derivation*'
  instead of `nixpkgs-derivation'.
  (build-expression->derivation): New `guile-for-build' keyword
  parameter.  Use it.
This commit is contained in:
Ludovic Courtès 2012-09-01 11:45:52 +02:00
parent 4c1eddf766
commit 6dd7787c39
1 changed files with 10 additions and 5 deletions
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15
guix/derivations.scm
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@ -440,7 +440,7 @@ (define (env-vars-with-empty-outputs)
(define %guile-for-build
;; The derivation of the Guile to be used within the build environment,
;; when using `build-expression->derivation'.
(make-parameter (false-if-exception (nixpkgs-derivation "guile"))))
(make-parameter (false-if-exception (nixpkgs-derivation* "guile"))))
(define* (imported-files store files
#:key (name "file-import") (system (%current-system)))
@ -509,7 +509,8 @@ (define* (build-expression->derivation store name system exp inputs
#:key (outputs '("out"))
hash hash-algo
(env-vars '())
(modules '()))
(modules '())
guile-for-build)
"Return a derivation that executes Scheme expression EXP as a builder for
derivation NAME. INPUTS must be a list of (NAME DRV-PATH SUB-DRV) tuples;
when SUB-DRV is omitted, \"out\" is assumed. EXP is evaluated in an
@ -519,9 +520,13 @@ (define* (build-expression->derivation store name system exp inputs
of string pairs specifying the name and value of environment variables
visible to the builder. The builder terminates by passing the result of EXP
to `exit'; thus, when EXP returns #f, the build is considered to have
failed."
failed.
EXP is built using GUILE-FOR-BUILD (a derivation). When GUILE-FOR-BUILD is
omitted or is #f, the value of the `%guile-for-build' fluid is used instead."
(define guile
(string-append (derivation-path->output-path (%guile-for-build))
(string-append (derivation-path->output-path (or guile-for-build
(%guile-for-build)))
"/bin/guile"))
(define module-form?
@ -579,7 +584,7 @@ (define %build-inputs
,@(if mod-dir `("-L" ,mod-dir) '())
,builder)
env-vars
`((,(%guile-for-build))
`((,(or guile-for-build (%guile-for-build)))
(,builder)
,@(map cdr inputs)
,@(if mod-drv `((,mod-drv)) '()))