gnu: supercollider: Fix build and update to 3.10.3.

* gnu/packages/patches/supercollider-boost-1.70-build-fix.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/audio.scm (supercollider): Update to 3.10.3 and apply the
previous patch to fix build with boost-1.70. Remove outdated
'fix-build-with-boost-1.68 phase.

gnu/local.mk

@@ -1328,6 +1328,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/strace-ipc-tests.patch			\
   %D%/packages/patches/streamlink-update-test.patch		\
   %D%/packages/patches/stumpwm-fix-broken-read-one-line.patch	\
+  %D%/packages/patches/supercollider-boost-1.70-build-fix.patch	\
   %D%/packages/patches/superlu-dist-awpm-grid.patch		\
   %D%/packages/patches/superlu-dist-fix-mpi-deprecations.patch	\
   %D%/packages/patches/superlu-dist-scotchmetis.patch		\

gnu/packages/audio.scm

@@ -22,6 +22,7 @@
 ;;; Copyright © 2019 Leo Famulari <leo@famulari.name>
 ;;; Copyright © 2019 Rutger Helling <rhelling@mykolab.com>
 ;;; Copyright © 2019 Arun Isaac <arunisaac@systemreboot.net>
+;;; Copyright © 2019 Mathieu Othacehe <m.othacehe@gmail.com>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -2177,16 +2178,18 @@ background file post-processing.")
 (define-public supercollider
   (package
     (name "supercollider")
-    (version "3.10.2")
+    (version "3.10.3")
     (source (origin
               (method url-fetch)
               (uri (string-append
                     "https://github.com/supercollider/supercollider"
                     "/releases/download/Version-" version
                     "/SuperCollider-" version "-Source-linux.tar.bz2"))
+              (patches
+               (search-patches "supercollider-boost-1.70-build-fix.patch"))
               (sha256
                (base32
-                "0ynz1ydcpsd5h57h1n4a7avm6p1cif5a8rkmz4qpr46pr8z9p6iq"))))
+                "0srm6wbazidkrd4ckjy4ypyhkdwcnx2i7k9msjyngalh0mrc9zz1"))))
     (build-system cmake-build-system)
     (arguments
      `(#:configure-flags '("-DSYSTEM_BOOST=on" "-DSYSTEM_YAMLCPP=on"
@@ -2198,12 +2201,6 @@ background file post-processing.")
                   (ice-9 ftw))
        #:phases
        (modify-phases %standard-phases
-         (add-after 'unpack 'fix-build-with-boost-1.68
-           (lambda _
-             (substitute* "server/supernova/utilities/time_tag.hpp"
-               (("(time_duration offset = .+ microseconds\\().*" _ m)
-                (string-append m "static_cast<long>(get_nanoseconds()/1000));\n")))
-             #t))
          (add-after 'unpack 'rm-bundled-libs
            (lambda _
              ;; The build system doesn't allow us to unbundle the following

gnu/packages/patches/supercollider-boost-1.70-build-fix.patch

@@ -0,0 +1,28 @@
+Patches taken from https://gitweb.gentoo.org/repo/gentoo.git/tree/media-sound/supercollider/files/supercollider-3.10.2-boost-1.70.patch?id=a420618dc766bba0654dbe0ef67008fdc5e901c6 to fix supercollider build with boost 1.70.
+
+diff --git a/server/supernova/sc/sc_osc_handler.cpp b/server/supernova/sc/sc_osc_handler.cpp
+index 5116a1be87..96e937ec25 100644
+--- a/server/supernova/sc/sc_osc_handler.cpp
++++ b/server/supernova/sc/sc_osc_handler.cpp
+@@ -728,7 +728,8 @@ void sc_osc_handler::tcp_connection::handle_message() {
+ 
+ 
+ void sc_osc_handler::start_tcp_accept(void) {
+-    tcp_connection::pointer new_connection = tcp_connection::create(tcp_acceptor_.get_io_service());
++    tcp_connection::pointer new_connection =
++        tcp_connection::create((boost::asio::io_context&)tcp_acceptor_.get_executor().context());
+ 
+     tcp_acceptor_.async_accept(
+         new_connection->socket(),
+diff --git a/server/supernova/utilities/utils.hpp b/server/supernova/utilities/utils.hpp
+index 35b8ab5ad..a7c191f2d 100644
+--- a/server/supernova/utilities/utils.hpp
++++ b/server/supernova/utilities/utils.hpp
+@@ -23,6 +23,7 @@
+ 
+ #include <type_traits>
+ 
++#include <boost/checked_delete.hpp>
+ #include <boost/intrusive_ptr.hpp>
+ #include <boost/noncopyable.hpp>
+ #include <boost/detail/atomic_count.hpp>