[bug#30159] [PATCH] gnu: Add libtorrent-rasterbar-c++11.

[Nam Nguyen]

* gnu/packages/bittorrent.scm (libtorrent-rasterbar-c++11): New variable.
---
 gnu/packages/bittorrent.scm | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/gnu/packages/bittorrent.scm b/gnu/packages/bittorrent.scm
index f73488ff1..406176692 100644
--- a/gnu/packages/bittorrent.scm
+++ b/gnu/packages/bittorrent.scm
@@ -406,6 +406,21 @@ focusing on efficiency and scalability.  It runs on 
embedded devices as well as
 desktops.")
     (license l:bsd-2)))
 
+(define-public libtorrent-rasterbar-c++11
+  (package
+    (inherit libtorrent-rasterbar)
+    (name "libtorrent-rasterbar-c++11")
+    (arguments
+     (substitute-keyword-arguments (package-arguments libtorrent-rasterbar)
+       ((#:phases phases '%standard-phases)
+        `(modify-phases ,phases
+           (add-after 'unpack 'compile-args-c++11
+             ;; 
https://github.com/qbittorrent/qBittorrent/issues/6383#issuecomment-281535787
+             (lambda _
+               (substitute* "bindings/python/setup.py"
+                 (("\\+ target_specific\\(\\)\\,")
+                  "+ target_specific() + ['-std=c++11'],"))))))))))
+
 (define-public qbittorrent
   (package
     (name "qbittorrent")
-- 
2.19.1