Add LLVM, clang and clang-runtime-3.8 to GNU Guix

Add LLVM, clang and clang-runtime-3.8 to GNU Guix

[Dennis Mungai]

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Hello there,

The attached patch adds LLVM, clang and clang-runtime-3.8 to GNU Guix.

Thanks and regards,

Dennis Mungai.

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--- llvm.scm	2016-05-18 18:39:48.608015042 +0300
+++ llvms.scm	2016-05-26 22:24:39.282628815 +0300
@@ -2,6 +2,9 @@
 ;;; Copyright © 2014 Eric Bavier <bavier@member.fsf.org>
 ;;; Copyright © 2015 Mark H Weaver <mhw@netris.org>
 ;;; Copyright © 2015 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2016 Dennis Mungai <dmngaie@gmail.com>
+;;; Copyright © 2016 Pjotr Prins <pjotr.public12@thebird.nl>
+;;; Copyright © 2016 Roel Janssen <roel@gnu.org>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -21,6 +24,8 @@
 (define-module (gnu packages llvm)
   #:use-module (guix packages)
   #:use-module (guix licenses)
+  #:use-module (gnu packages compression)
+  #:use-module (gnu packages libffi)
   #:use-module (guix download)
   #:use-module (guix utils)
   #:use-module (guix build-system gnu)
@@ -201,3 +206,37 @@
 (define-public clang-3.5
   (clang-from-llvm llvm-3.5 clang-runtime-3.5
                    "12yv3jwdjcbkrx7zjm8wh4jrvb59v8fdw4mnmz3zc1jb00p9k07w"))
+                   
+(define-public llvm-3.8
+  (package (inherit llvm)
+    (version "3.8.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "http://llvm.org/releases/"
+                           version "/llvm-" version ".src.tar.xz"))
+       (sha256
+        (base32
+         "0ikfq0gxac8xpvxj23l4hk8f12ydx48fljgrz1gl9xp0ks704nsm"))))
+    (native-inputs
+     `(("python" ,python-wrapper)
+       ("perl"   ,perl)
+       ("libffi" ,libffi)
+       ("zlib" ,zlib)))
+    (arguments
+     `(#:configure-flags '("-DCMAKE_SKIP_BUILD_RPATH=FALSE"
+                           "-DCMAKE_BUILD_WITH_INSTALL_RPATH=FALSE"
+                           "-DLLVM_ENABLE_PIC=ON"
+                           ;"-DLLVM_ENABLE_RTTI=ON"
+                           "-DLLVM_ENABLE_WERROR=OFF"
+                           ;;"-DLLVM_REQUIRES_RTTI=ON"
+                           )))))
+
+(define-public clang-runtime-3.8
+  (clang-runtime-from-llvm
+   llvm-3.8
+   "1c2nkp9563873ffz22qmhc0wakgj428pch8rmhym8agjamz3ily8"))
+
+(define-public clang-3.8
+  (clang-from-llvm llvm-3.8 clang-runtime-3.8
+                   "1ybcac8hlr9vl3wg8s4v6cp0c0qgqnwprsv85lihbkq3vqv94504"))