From 4ca958111908eda0452c47c8cb467a1bd0c9bc87 Mon Sep 17 00:00:00 2001
From: Tobias Geerinckx-Rice <me@tobias.gr>
Date: Thu, 17 May 2018 23:07:00 +0200
Subject: gnu: multiqc: Fix build.
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* gnu/packages/bioinformatics.scm (multiqc)[arguments]: Add a
‘relax-requirements’ phase to fix building with python-matplotlib@2.2.
---
 gnu/packages/bioinformatics.scm | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/gnu/packages/bioinformatics.scm b/gnu/packages/bioinformatics.scm
index 7a121557db..8bfe01fd6f 100644
--- a/gnu/packages/bioinformatics.scm
+++ b/gnu/packages/bioinformatics.scm
@@ -9085,6 +9085,19 @@ replacement for strverscmp.")
        ("python-numpy" ,python-numpy)
        ;; MultQC checks for the presence of nose at runtime.
        ("python-nose" ,python-nose)))
+    (arguments
+     `(#:phases
+       (modify-phases %standard-phases
+         (add-after 'unpack 'relax-requirements
+           (lambda _
+             (substitute* "setup.py"
+               ;; MultiQC 1.5 ‘requires’ a version of python-matplotlib older
+               ;; than the one in Guix, but should work fine with 2.2.2.
+               ;; See <https://github.com/ewels/MultiQC/issues/725> and
+               ;; <https://github.com/ewels/MultiQC/issues/732> for details.
+               (("['\"]matplotlib.*?['\"]")
+                "'matplotlib'"))
+             #t)))))
     (home-page "http://multiqc.info")
     (synopsis "Aggregate bioinformatics analysis reports")
     (description
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