[bug#71161] [PATCH 3/5] gnu: Add libdatachannel.

[iyzsong]

From: 宋文武 <iyzsong@member.fsf.org>

* gnu/packages/web.scm (libdatachannel): New variable.

Change-Id: Idc8996eec5160574649575a5519c6510baf194a5
---
 gnu/packages/web.scm | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/gnu/packages/web.scm b/gnu/packages/web.scm
index b9d1f42f00..39c35d6970 100644
--- a/gnu/packages/web.scm
+++ b/gnu/packages/web.scm
@@ -169,6 +169,7 @@ (define-module (gnu packages web)
   #:use-module (gnu packages libunwind)
   #:use-module (gnu packages linux)
   #:use-module (gnu packages lisp-xyz)
+  #:use-module (gnu packages logging)
   #:use-module (gnu packages lsof)
   #:use-module (gnu packages lua)
   #:use-module (gnu packages mail)
@@ -200,6 +201,7 @@ (define-module (gnu packages web)
   #:use-module (gnu packages serialization)
   #:use-module (gnu packages skribilo)
   #:use-module (gnu packages sphinx)
+  #:use-module (gnu packages telephony)
   #:use-module (gnu packages texinfo)
   #:use-module (gnu packages textutils)
   #:use-module (gnu packages time)
@@ -2164,6 +2166,34 @@ (define-public libjuice
 protocol, client-side and server-side, written in C without dependencies for
 POSIX platforms.")
     (license license:mpl2.0)))
+
+(define-public libdatachannel
+  (package
+    (name "libdatachannel")
+    (version "0.21.1")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/paullouisageneau/libdatachannel";)
+                    (commit (string-append "v" version))))
+              (file-name (git-file-name name version))
+              (sha256
+               (base32
+                "11icbyd71dw5ywjdviq580xvad24yfsjj3c5zpjqsxc883i40dxi"))))
+    (build-system cmake-build-system)
+    (arguments
+     (list #:tests? #f                  ; requires internet access
+           #:configure-flags
+           #~'("-DPREFER_SYSTEM_LIB=ON")))
+    (inputs (list libjuice libsrtp nlohmann-json openssl plog usrsctp))
+    (home-page "https://libdatachannel.org/";)
+    (synopsis "WebRTC Data Channels and WebSockets library")
+    (description "@code{libdatachannel} is a standalone implementation of 
WebRTC
+Data Channels, WebRTC Media Transport, and WebSockets in C++17 with C bindings
+for POSIX platforms.  WebRTC is a W3C and IETF standard enabling real-time
+peer-to-peer data and media exchange between two devices.")
+    (license license:mpl2.0)))
+
 (define-public liboauth
   (package
     (name "liboauth")
-- 
2.41.0