From e4b5bdf7993590fefeb7182ae71beec4a9f69e3f Mon Sep 17 00:00:00 2001
From: Roel Janssen <roel@gnu.org>
Date: Wed, 11 Mar 2020 09:31:26 +0100
Subject: [PATCH] gnu: r-ggsignif: Fix build.

* gnu/packages/cran.scm (r-ggsignif): Add knitr to native-inputs in order to
  build the vignette.
---
 gnu/packages/cran.scm | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/gnu/packages/cran.scm b/gnu/packages/cran.scm
index f6be0d387b..8cc904612d 100644
--- a/gnu/packages/cran.scm
+++ b/gnu/packages/cran.scm
@@ -5843,6 +5843,8 @@ movies, and TV shows.")
         (base32
          "17j9hg967k1wp9xw3x84mqss58jkb8pvlrnlchz4i1hklgykxqbg"))))
     (build-system r-build-system)
+    (native-inputs
+     `(("r-knitr" ,r-knitr)))
     (propagated-inputs
      `(("r-ggplot2" ,r-ggplot2)))
     (home-page "https://github.com/const-ae/ggsignif")