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+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2015 Ricardo Wurmus <rekado@elephly.net>
+;;;
+;;; This file is part of GNU Guix.
+;;;
+;;; GNU Guix is free software; you can redistribute it and/or modify it
+;;; under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation; either version 3 of the License, or (at
+;;; your option) any later version.
+;;;
+;;; GNU Guix is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;;; GNU General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
+
+(define-module (gnu packages tbb)
+  #:use-module (guix packages)
+  #:use-module (guix licenses)
+  #:use-module (guix download)
+  #:use-module (guix utils)
+  #:use-module (guix build-system gnu)
+  #:use-module (gnu packages))
+
+(define-public tbb
+  (package
+    (name "tbb")
+    (version "4.3.2")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "https://www.threadingbuildingblocks.org/sites/default"
+                    "/files/software_releases/source/"
+                    "tbb43_20141204oss_src.tgz"))
+              (sha256
+               (base32
+                "0jsczl99jfgj47kj7c4sd4fk7v3rbaiax1ng9ypykz1hh0lrrsws"))
+              (modules '((guix build utils)))
+              (snippet
+               '(substitute* "build/common.inc"
+                  (("export tbb_build_prefix.+$")
+                   "export tbb_build_prefix?=guix\n")))))
+    (outputs '("out" "doc"))
+    (build-system gnu-build-system)
+    (arguments
+     `(#:test-target "test"
+       #:phases (alist-delete
+                 'configure
+                 (alist-replace
+                  'install
+                  (lambda* (#:key outputs #:allow-other-keys)
+                    (let* ((doc      (string-append
+                                      (assoc-ref outputs "doc") "/doc"))
+                           (examples (string-append doc "/examples"))
+                           (lib      (string-append
+                                      (assoc-ref outputs "out") "/lib"))
+                           (include  (string-append
+                                      (assoc-ref outputs "out") "/include")))
+                      (mkdir-p lib)
+                      (for-each
+                       (lambda (f)
+                         (copy-file f
+                                    (string-append lib "/"
+                                                   (basename f))))
+                       (find-files "build/guix_release" "\\.so"))
+                      (copy-recursively "doc" doc)
+                      (copy-recursively "examples" examples)
+                      (copy-recursively "include" include)
+                      #t))
+                  %standard-phases))))
+    (home-page "https://www.threadingbuildingblocks.org")
+    (synopsis "C++ library for parallel programming")
+    (description
+     "Threading Building Blocks (TBB) is a C++ runtime library that abstracts
+the low-level threading details necessary for optimal multi-core performance.
+It uses common C++ templates and coding style to eliminate tedious threading
+implementation work.  It provides parallel loop constructs, asynchronous
+tasks, synchronization primitives, atomic operations, and more.")
+    ;; GPLv2 with run-time exception:
+    ;; <https://www.threadingbuildingblocks.org/licensing#runtime-exception>
+    (license gpl2)))