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-rw-r--r--gnu/packages/statistics.scm4
1 files changed, 3 insertions, 1 deletions
diff --git a/gnu/packages/statistics.scm b/gnu/packages/statistics.scm
index c84845dd29..f0373920e9 100644
--- a/gnu/packages/statistics.scm
+++ b/gnu/packages/statistics.scm
@@ -165,7 +165,9 @@ be output in text, PostScript, PDF or HTML.")
("which" ,which) ; for tests/Examples/base-Ex.R
("xz" ,xz)))
(inputs
- `(("cairo" ,cairo)
+ `(;; We need not only cairo here, but pango to ensure that tests for the
+ ;; "cairo" bitmapType plotting backend succeed.
+ ("pango" ,pango)
("curl" ,curl)
("tzdata" ,tzdata)
("gfortran" ,gfortran)