[PATCH 3/5] gnu: llvm: Add libffi and zlib inputs.

[ericbavier]

From: Eric Bavier <bav...@member.fsf.org>

* gnu/packages/llvm.scm (llvm)[inputs]: Add libffi and zlib.
[arguments]: Add cmake flag for libffi to #:configure-flags.

Co-authored-by: Dennis Mungai <dmng...@gmail.com>
---
 gnu/packages/llvm.scm | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/gnu/packages/llvm.scm b/gnu/packages/llvm.scm
index 1af9568..877c2df 100644
--- a/gnu/packages/llvm.scm
+++ b/gnu/packages/llvm.scm
@@ -2,6 +2,7 @@
 ;;; Copyright © 2014, 2016 Eric Bavier <bav...@member.fsf.org>
 ;;; Copyright © 2015 Mark H Weaver <m...@netris.org>
 ;;; Copyright © 2015 Ludovic Courtès <l...@gnu.org>
+;;; Copyright © 2016 Dennis Mungai <dmng...@gmail.com>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -28,6 +29,8 @@
   #:use-module (gnu packages)
   #:use-module (gnu packages gcc)
   #:use-module (gnu packages bootstrap)           ;glibc-dynamic-linker
+  #:use-module (gnu packages compression)
+  #:use-module (gnu packages libffi)
   #:use-module (gnu packages perl)
   #:use-module (gnu packages python)
   #:use-module (gnu packages xml))
@@ -48,9 +51,13 @@
     (native-inputs
      `(("python" ,python-wrapper)
        ("perl"   ,perl)))
+    (inputs
+     `(("libffi" ,libffi)
+       ("zlib" ,zlib)))
     (arguments
      `(#:configure-flags '("-DCMAKE_SKIP_BUILD_RPATH=FALSE"
-                           "-DCMAKE_BUILD_WITH_INSTALL_RPATH=FALSE")
+                           "-DCMAKE_BUILD_WITH_INSTALL_RPATH=FALSE"
+                           "-DLLVM_ENABLE_FFI:BOOL=TRUE")
 
        ;; Do not build with -g.  This reduces the ~13.78GiB disk required for
        ;; a build down to ~2.6GiB
-- 
2.7.4