[bug#61678] [PATCH 1/2] gnu: Add massivethreads.

[gemmaro <gemmaro.dev@gmail.com>]

* gnu/packages/parallel.scm (massivethreads): New variable.
---
 gnu/packages/parallel.scm | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/gnu/packages/parallel.scm b/gnu/packages/parallel.scm
index e2a6cfb668..a26d23d542 100644
--- a/gnu/packages/parallel.scm
+++ b/gnu/packages/parallel.scm
@@ -12,6 +12,7 @@
 ;;; Copyright © 2019-2022 Ludovic Courtès <ludo@gnu.org>
 ;;; Copyright © 2020 Roel Janssen <roel@gnu.org>
 ;;; Copyright © 2021 Stefan Reichör <stefan@xsteve.at>
+;;; Copyright © 2023 gemmaro <gemmaro.dev@gmail.com>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -513,3 +514,28 @@ (define-public psimd
        "This header-only C++ library provides a portable interface to
 single-instruction multiple-data (SIMD) intrinsics.")
       (license license:expat))))
+
+(define-public massivethreads
+  (package
+    (name "massivethreads")
+    (version "1.00")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url
+                     "https://www.eidos.ic.i.u-tokyo.ac.jp/research/massivethreads/")
+                    (commit "v1.00")))
+              (file-name (git-file-name name version))
+              (sha256
+               (base32
+                "0d93xf2zknq92wlcm7xc7zbja2fh3qyl543xx2qc64k3rslmf8yh"))))
+    (build-system gnu-build-system)
+    (home-page "https://github.com/massivethreads/massivethreads")
+    (synopsis "Lightweight thread library for high productivity languages")
+    (description
+     "A thread library that can spawn threads two orders of magnitude faster
+than native operating system threads.  Based on this technology, we are
+working on high-level parallel programming languages that target a
+range of machines from multi-core computers to massively parallel
+processors.")
+    (license license:bsd-2)))
-- 
2.39.1