gnu: Add gdstk.

* gnu/packages/electronics.scm (gdstk): New variable

Change-Id: I2237a54e85e0f8c866b1674b04d2c36b28174472

gnu/packages/electronics.scm

@@ -2203,6 +2203,36 @@ programming language, as well as evaluation board definitions and a System on
 Chip toolkit.")
     (license license:bsd-3)))
 
+(define-public gdstk
+  (package
+    (name "gdstk")
+    (version "0.9.62")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/heitzmann/gdstk")
+             (commit (string-append "v" version))))
+       (sha256
+        (base32 "0q07g7h613yqszgs49vbnran3pz6yayc0hyisdnp4fi60cyzsz1l"))
+       (file-name (git-file-name name version))))
+    (build-system cmake-build-system)
+    (arguments
+     (list
+      #:phases
+      #~(modify-phases %standard-phases
+          (add-before 'check 'build-examples
+            (lambda* (#:key tests? #:allow-other-keys)
+              (when tests?
+                (invoke "make" "examples")))))))
+    (inputs (list zlib qhull))
+    (home-page "https://heitzmann.github.io/gdstk/")
+    (synopsis "Library for creation and manipulation of GDSII files")
+    (description
+     "@code{gdstk} is a library for creation and manipulation of GDSII layout files
+which are commonly used for @acronym{EDA, elecronic design automation} and chip design.")
+    (license license:boost1.0)))
+
 (define-public python-klayout
   (package
     (name "python-klayout")