import cran: Check if pkg-config is needed.

* guix/import/cran.scm (needs-pkg-config?): New procedure.
(description->package): Use it.
This commit is contained in:
Ricardo Wurmus 2017-04-05 18:42:08 +02:00
parent a0f43208cb
commit 17a69cf623
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GPG key ID: 197A5888235FACAC

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@ -235,6 +235,13 @@ (define (needs-zlib? tarball)
tarball "-lz"
"*/src/Makevars*" "*/src/configure*" "*/configure*"))
(define (needs-pkg-config? tarball)
"Return #T if any of the Makevars files in the src directory of the TARBALL
reference the pkg-config tool."
(tarball-files-match-pattern?
tarball "pkg-config"
"*/src/Makevars*" "*/src/configure*" "*/configure*"))
(define (description->package repository meta)
"Return the `package' s-expression for an R package published on REPOSITORY
from the alist META, which was derived from the R package's DESCRIPTION file."
@ -284,11 +291,12 @@ (define (description->package repository meta)
(build-system r-build-system)
,@(maybe-inputs sysdepends)
,@(maybe-inputs (map guix-name propagate) 'propagated-inputs)
,@(if (needs-fortran? tarball)
`((native-inputs (,'quasiquote
,(list "gfortran"
(list 'unquote 'gfortran)))))
'())
,@(maybe-inputs
`(,@(if (needs-fortran? tarball)
'("gfortran") '())
,@(if (needs-pkg-config? tarball)
'("pkg-config") '()))
'native-inputs)
(home-page ,(if (string-null? home-page)
(string-append base-url name)
home-page))