From 09b40a31d69ca6f6894d9ed33ef519efc64b220b Mon Sep 17 00:00:00 2001
From: Steve Sprang <address@hidden>
Date: Fri, 23 Aug 2019 15:23:00 -0700
Subject: [PATCH] gnu: Add lib3mf.

* gnu/packages/engineering.scm (lib3mf): New variable.
---
 gnu/packages/engineering.scm | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/gnu/packages/engineering.scm b/gnu/packages/engineering.scm
index a1f222bed4..778dc6611a 100644
--- a/gnu/packages/engineering.scm
+++ b/gnu/packages/engineering.scm
@@ -12,6 +12,7 @@
 ;;; Copyright © 2018, 2019 Arun Isaac <address@hidden>
 ;;; Copyright © 2019 Tim Stahel <address@hidden>
 ;;; Copyright © 2019 Jovany Leandro G.C <address@hidden>
+;;; Copyright © 2019 Steve Sprang <address@hidden>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -2109,3 +2110,37 @@ while keeping the user experience at mind.  Cutter is created by reverse
 engineers for reverse engineers.")
     (license (list license:cc-by-sa3.0  ;the "Iconic" icon set
                    license:gpl3+))))    ;everything else
+
+(define-public lib3mf
+  (package
+    (name "lib3mf")
+    (version "1.8.1")
+    (source
+     (origin
+      (method url-fetch)
+      (uri (string-append "https://github.com/3MFConsortium/lib3mf/archive/v"
+			  version ".tar.gz"))
+      (sha256
+       (base32
+	"05wxmsjps0mf5p0gb2wv7zh3b7spvzdslasb3bxs91nar51d2z90"))))
+    (build-system cmake-build-system)
+    (native-inputs
+     `(("googletest-source" ,(package-source googletest))))
+    (inputs
+     `(("libuuid" ,util-linux)))
+    (arguments
+     `(#:phases
+       (modify-phases %standard-phases
+	 (add-after 'unpack 'unpack-googletest
+	   (lambda* (#:key inputs #:allow-other-keys)
+	     (copy-recursively (assoc-ref inputs "googletest-source")
+			       "UnitTests/googletest")
+	     #t)))))
+    (synopsis "Implementation of the 3D Manufacturing Format (3MF) file standard")
+    (description
+     "Lib3MF is a C++ implementation of the 3D Manufacturing Format (3MF) file
+standard.  It offers a way to integrate 3MF reading and writing capabilities, as
+well as conversion and validation tools for input and output data.  The
+specification can be downloaded at http://3mf.io/specification/.")
+    (home-page "https://3mf.io/")
+    (license license:bsd-2)))
-- 
2.23.0