gnu: lightning: Fix build.

* gnu/packages/assembly.scm (lightning)[arguments]: Don't run tests in
  parallel.

diff --git a/gnu/packages/assembly.scm b/gnu/packages/assembly.scm
index 2167eb2..e5cdce0 100644 (file)
--- a/gnu/packages/assembly.scm
+++ b/gnu/packages/assembly.scm
@@ -10,6 +10,7 @@
 ;;; Copyright © 2020 Christine Lemmer-Webber <cwebber@dustycloud.org>
 ;;; Copyright © 2020 B. Wilson <elaexuotee@wilsonb.com>
 ;;; Copyright © 2021 Maxim Cournoyer <maxim.cournoyer@gmail.com>
+;;; Copyright © 2021 Guillaume Le Vaillant <glv@posteo.net>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -140,6 +141,9 @@ debugging information in STABS, DWARF 2, and CodeView 8 formats.")
                "1jgxbq2cm51dzi3zhz38mmgwdcgs328mfl8iviw8dxn6dn36p1gd"))))
     (build-system gnu-build-system)
     (native-inputs `(("zlib" ,zlib)))
+    (arguments
+     ;; Some tests fail when run in parallel.
+     `(#:parallel-tests? #f))
     (synopsis "Library for generating assembly code at runtime")
     (description
      "GNU Lightning is a library that generates assembly language code at