ngz pushed a commit to branch tex-team
in repository guix.

commit 858fd5611cd6537454b294dc3e476556c3013109
Author: Nicolas Goaziou <[email protected]>
AuthorDate: Tue Apr 22 00:07:31 2025 +0200

    gnu: discrover: Fix build.
    
    * gnu/packages/bioinformatics.scm (discrover): Set TEXMFVAR to a writable
    location.
    
    Change-Id: I1b9124fae6c583b024f99fb3a8c92e9c85fd861d
---
 gnu/packages/bioinformatics.scm | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/gnu/packages/bioinformatics.scm b/gnu/packages/bioinformatics.scm
index 2f2dd263a6..cd95adeed0 100644
--- a/gnu/packages/bioinformatics.scm
+++ b/gnu/packages/bioinformatics.scm
@@ -7473,6 +7473,10 @@ data and settings.")
            ;; SOURCE_DATE_EPOCH
            (lambda _
              (setenv "FORCE_SOURCE_DATE" "1")))
+         (add-before 'build 'use-writable-texmfvar
+           ;; Use writable TEXMFVAR to generate font metrics.
+           (lambda _
+             (setenv "TEXMFVAR" (getcwd))))
          (add-after 'unpack 'fix-latex-errors
            (lambda _
              (with-fluids ((%default-port-encoding #f))

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