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01/01: import: cran: Ignore invalid packages.

From: guix-commits
Subject: 01/01: import: cran: Ignore invalid packages.
Date: Thu, 23 May 2019 10:10:48 -0400 (EDT)

rekado pushed a commit to branch master
in repository guix.

commit e96619baf748c589c23eae1b61a38144177b7baf
Author: Ricardo Wurmus <address@hidden>
Date:   Thu May 23 10:54:17 2019 +0200

    import: cran: Ignore invalid packages.
    * guix/import/cran.scm (invalid-packages): New variable.
    (description->package): Use it.
 guix/import/cran.scm | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/guix/import/cran.scm b/guix/import/cran.scm
index f08ff61..4763fcc 100644
--- a/guix/import/cran.scm
+++ b/guix/import/cran.scm
@@ -237,6 +237,11 @@ empty list when the FIELD cannot be found."
+;; The field for system dependencies is often abused to specify non-package
+;; dependencies (such as c++11).  This list is used to ignore them.
+(define invalid-packages
+  (list "c++11"))
 (define cran-guix-name (cut guix-name "r-" <>))
 (define (needs-fortran? tarball)
@@ -310,7 +315,8 @@ from the alist META, which was derived from the R package's 
                       (if (needs-zlib? tarball) '("zlib") '())
                       (map string-downcase (listify meta 
          (propagate  (filter (lambda (name)
-                               (not (member name default-r-packages)))
+                               (not (member name (append default-r-packages
+                                                         invalid-packages))))
                              (lset-union equal?
                                          (listify meta "Imports")
                                          (listify meta "LinkingTo")

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