[bug#27395] [PATCH] gnu: wine: Add wine64.

[Rutger Helling <rhelling@mykolab.com>]

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Hey Guix, 

this patch adds a 64-bit version for Wine.

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From 2674af475c3f970800ddb97de40f5497f15ef3c5 Mon Sep 17 00:00:00 2001
From: Rutger Helling <rhelling@mykolab.com>
Date: Fri, 16 Jun 2017 13:30:58 +0200
Subject: [PATCH] gnu: wine: Add wine64.

* gnu/packages/wine.scm (wine64): New variable.
---
 gnu/packages/wine.scm | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/gnu/packages/wine.scm b/gnu/packages/wine.scm
index 72700ef3d..520ac7a0f 100644
--- a/gnu/packages/wine.scm
+++ b/gnu/packages/wine.scm
@@ -147,3 +147,22 @@ integrate Windows applications into your desktop.")
     ;; It really only supports IA32, but building on x86_64 will have the same
     ;; effect as building on i686 anyway.
     (supported-systems '("i686-linux" "x86_64-linux"))))
+
+(define-public wine64
+  (package
+    (inherit wine)
+    (name "wine64")
+    (arguments `(#:configure-flags
+                 (list "--enable-win64"
+                       (string-append "LDFLAGS=-Wl,-rpath=" %output "/lib64"))
+                 ,@(strip-keyword-arguments '(#:configure-flags #:system)
+                                            (package-arguments wine))))
+               (synopsis "Implementation of the Windows API (64-bit version)")
+               (description
+                     "Wine (originally an acronym for \"Wine Is Not an Emulator\") is a
+compatibility layer capable of running Windows applications.  Instead of
+simulating internal Windows logic like a virtual machine or emulator, Wine
+translates Windows API calls into POSIX calls on-the-fly, eliminating the
+performance and memory penalties of other methods and allowing you to cleanly
+integrate Windows applications into your desktop.  This is the 64-bit version.")
+    (supported-systems '("x86_64-linux"))))
-- 
2.13.1