My apologies, when you had noted this issue on the other update I had intended to check this submission as well.
From c8298882f74839fac9bcbf42a9e491d6bc5605e8 Mon Sep 17 00:00:00 2001
From: Greg Hogan <
code@greghogan.com>
Date: Fri, 18 Sep 2020 14:20:46 +0000
Subject: [PATCH] gnu: Add cxxopts.
* gnu/packages/cpp.scm (cxxopts): New variable.
---
gnu/packages/cpp.scm | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
diff --git a/gnu/packages/cpp.scm b/gnu/packages/cpp.scm
index 003883e1a5..90e139e9eb 100644
--- a/gnu/packages/cpp.scm
+++ b/gnu/packages/cpp.scm
@@ -14,6 +14,7 @@
;;; Copyright © 2020 Marius Bakke <
marius@gnu.org>
;;; Copyright © 2020 Michael Rohleder <
mike@rohleder.de>
;;; Copyright © 2020 Alexandros Theodotou <
alex@zrythm.org>
+;;; Copyright © 2020 Greg Hogan <
code@greghogan.com>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -647,3 +648,24 @@ Google's C++ code base.")
a zero-dependency C++ header-only parser combinator library for creating
parsers according to a Parsing _expression_ Grammar (PEG).")
(license license:expat)))
+
+(define-public cxxopts
+ (package
+ (name "cxxopts")
+ (version "2.2.1")
+ (source (origin
+ (method git-fetch)
+ (uri (git-reference
+ (url "
https://github.com/jarro2783/cxxopts")
+ (commit (string-append "v" version))))
+ (file-name (git-file-name name version))
+ (sha256
+ (base32
+ "0d3y747lsh1wkalc39nxd088rbypxigm991lk3j91zpn56whrpha"))))
+ (build-system cmake-build-system)
+ (synopsis "Lightweight C++ command line option parser")
+ (description
+ "A lightweight header-only C++ option parser library, supporting the
+standard GNU style syntax for options.")
+ (home-page "
https://github.com/jarro2783/cxxopts/wiki")
+ (license license:expat)))
--
2.28.0