From dc3ad40c6b1023785352bd995fd1bee2ba9e2770 Mon Sep 17 00:00:00 2001
From: Ricardo Wurmus <rekado@elephly.net>
Date: Mon, 1 Aug 2022 12:45:22 +0200
Subject: gnu: python-bbknn: Set NUMBA_CACHE_DIR.

* gnu/packages/bioinformatics.scm (python-bbknn)[arguments]: Add phase
'set-numba-cache-dir.
---
 gnu/packages/bioinformatics.scm | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/gnu/packages/bioinformatics.scm b/gnu/packages/bioinformatics.scm
index e9f7ab9e98..4a8a743eba 100644
--- a/gnu/packages/bioinformatics.scm
+++ b/gnu/packages/bioinformatics.scm
@@ -11857,6 +11857,10 @@ million cells.")
      `(#:tests? #f ; no tests are included
        #:phases
        (modify-phases %standard-phases
+         ;; Numba needs a writable dir to cache functions.
+         (add-before 'check 'set-numba-cache-dir
+           (lambda _
+             (setenv "NUMBA_CACHE_DIR" "/tmp")))
          (add-after 'unpack 'do-not-fail-to-find-sklearn
            (lambda _
              ;; XXX: I have no idea why it cannot seem to find sklearn.
-- 
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