From 4c5ad827808f6c9964c05c9777d02b200fa619bb Mon Sep 17 00:00:00 2001
From: Ludovic Courtès <ludovic.courtes@inria.fr>
Date: Thu, 29 Jul 2021 14:41:46 +0200
Subject: gnu: Add cpuinfo.

* gnu/packages/parallel.scm (cpuinfo): New variable.
* gnu/packages/patches/cpuinfo-system-libraries.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
---
 gnu/packages/parallel.scm | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

(limited to 'gnu/packages/parallel.scm')

diff --git a/gnu/packages/parallel.scm b/gnu/packages/parallel.scm
index 79387e5552..b5914fdffa 100644
--- a/gnu/packages/parallel.scm
+++ b/gnu/packages/parallel.scm
@@ -31,6 +31,7 @@
 (define-module (gnu packages parallel)
   #:use-module (guix download)
   #:use-module (guix git-download)
+  #:use-module (guix build-system cmake)
   #:use-module (guix build-system gnu)
   #:use-module (guix build-system python)
   #:use-module ((guix licenses) #:prefix license:)
@@ -41,6 +42,7 @@ (define-module (gnu packages parallel)
   #:use-module (gnu packages admin)
   #:use-module (gnu packages autotools)
   #:use-module (gnu packages base)
+  #:use-module (gnu packages check)
   #:use-module (gnu packages flex)
   #:use-module (gnu packages freeipmi)
   #:use-module (gnu packages linux)
@@ -411,3 +413,32 @@ (define-public pthreadpool
 constructs such as @code{#pragma omp parallel for}, with additional
 features.")
       (license license:bsd-2))))
+
+(define-public cpuinfo
+  ;; There's currently no tag on this repo.
+  (let ((version "0.0")
+        (revision "1")
+        (commit "866ae6e5ffe93a1f63be738078da94cf3005cce2"))
+    (package
+      (name "cpuinfo")
+      (version (git-version version revision commit))
+      (home-page "https://github.com/pytorch/cpuinfo")
+      (source (origin
+                (method git-fetch)
+                (uri (git-reference (url home-page) (commit commit)))
+                (file-name (git-file-name name version))
+                (sha256
+                 (base32
+                  "1lmsf4bpkm19a31i40qwcjn46qf7prggziv4pbsi695bkx5as71p"))
+                (patches (search-patches "cpuinfo-system-libraries.patch"))))
+      (build-system cmake-build-system)
+      (arguments '(#:configure-flags '("-DBUILD_SHARED_LIBS=ON")))
+      (inputs
+       `(("googletest" ,googletest)
+         ("googlebenchmark" ,googlebenchmark)))
+      (synopsis "C/C++ library to obtain information about the CPU")
+      (description
+       "The cpuinfo library provides a C/C++ and a command-line interface to
+obtain information about the CPU being used: supported instruction set,
+processor name, cache information, and topology information.")
+      (license license:bsd-2))))
-- 
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