gnu: Add range-v3.

* gnu/packages/cpp.scm (range-v3): New variable.

Signed-off-by: Leo Prikler <leo.prikler@student.tugraz.at>

gnu/packages/cpp.scm

@@ -49,6 +49,7 @@
   #:use-module (gnu packages compression)
   #:use-module (gnu packages crypto)
   #:use-module (gnu packages curl)
+  #:use-module (gnu packages documentation)
   #:use-module (gnu packages gcc)
   #:use-module (gnu packages libevent)
   #:use-module (gnu packages libunwind)
@@ -63,6 +64,45 @@
   #:use-module (gnu packages tls)
   #:use-module (gnu packages web))
 
+(define-public range-v3
+  (package
+    (name "range-v3")
+    (version "0.11.0")
+    (source
+     (origin
+       (method git-fetch)
+       (uri
+        (git-reference
+         (url "https://github.com/ericniebler/range-v3.git")
+         (commit version)))
+       (file-name
+        (git-file-name name version))
+       (sha256
+        (base32 "18230bg4rq9pmm5f8f65j444jpq56rld4fhmpham8q3vr1c1bdjh"))))
+    (build-system cmake-build-system)
+    (native-inputs
+     `(("doxygen" ,doxygen)
+       ("perl" ,perl)))
+    (inputs
+     `(("boost" ,boost)))
+    (synopsis "Range library for C++14/17/20")
+    (description "Range-v3 is an extension of the Standard Template Library that
+makes its iterators and algorithms more powerful by making them composable.
+Unlike other range-like solutions which, seek to do away with iterators, in
+range-v3 ranges are an abstration layer on top of iterators.")
+    (home-page "https://github.com/ericniebler/range-v3/")
+    (license
+     (list
+      ;; Elements of Programming
+      (license:x11-style "file:///LICENSE.txt")
+      ;; SGI STL
+      license:sgifreeb2.0
+      ;;; LibC++ (dual-licensed)
+      license:expat
+      license:ncsa
+      ;; Others
+      license:boost1.0))))
+
 (define-public c++-gsl
   (package
     (name "c++-gsl")