uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

pkgs/development/libraries/audio/roc-toolkit/0001-Remove-deprecated-scons-call.patch

@@ -0,0 +1,24 @@
+From abdfbb94df98fe88be4dd92ca587500126558411 Mon Sep 17 00:00:00 2001
+From: Victor Gaydov <victor@enise.org>
+Date: Sun, 26 Jul 2020 11:54:52 +0300
+Subject: [PATCH] Remove deprecated scons call
+
+---
+ SConstruct | 1 -
+ 1 file changed, 1 deletion(-)
+
+diff --git a/SConstruct b/SConstruct
+index 407025d8..04afa91f 100644
+--- a/SConstruct
++++ b/SConstruct
+@@ -49,7 +49,6 @@ env = Environment(ENV=os.environ, tools=[
+ # performance tuning
+ env.Decider('MD5-timestamp')
+ env.SetOption('implicit_cache', 1)
+-env.SourceCode('.', None)
+ 
+ # provide absolute path to force single sconsign file
+ # per-directory sconsign files seems to be buggy with generated sources
+-- 
+2.34.1
+

pkgs/development/libraries/audio/roc-toolkit/0002-Fix-compatibility-with-new-SCons.patch

@@ -0,0 +1,31 @@
+From 15b37bb12a362c7889ac431eca4a47d6b2bdb97c Mon Sep 17 00:00:00 2001
+From: Victor Gaydov <victor@enise.org>
+Date: Sat, 5 Dec 2020 18:38:36 +0300
+Subject: [PATCH] Fix compatibility with new SCons
+
+---
+ site_scons/site_tools/roc/config.py | 8 +++++++-
+ 1 file changed, 7 insertions(+), 1 deletion(-)
+
+diff --git a/site_scons/site_tools/roc/config.py b/site_scons/site_tools/roc/config.py
+index b42b3adb..03b76be7 100644
+--- a/site_scons/site_tools/roc/config.py
++++ b/site_scons/site_tools/roc/config.py
+@@ -13,7 +13,13 @@ def _run_prog(context, src, suffix):
+     # RunProg may incorrectly use cached results from a previous run saved for
+     # different file contents but the same invocation number. To prevent this, we
+     # monkey patch its global counter with a hashsum of the file contents.
+-    SCons.SConf._ac_build_counter = int(hashlib.md5(src.encode()).hexdigest(), 16)
++    # The workaround is needed only for older versions of SCons, where
++    # _ac_build_counter was an integer.
++    try:
++        if type(SCons.SConf._ac_build_counter) is int:
++            SCons.SConf._ac_build_counter = int(hashlib.md5(src.encode()).hexdigest(), 16)
++    except:
++        pass
+     return context.RunProg(src, suffix)
+ 
+ def CheckLibWithHeaderExt(context, libs, headers, language, expr='1', run=True):
+-- 
+2.34.1
+

pkgs/development/libraries/audio/roc-toolkit/default.nix

@@ -0,0 +1,72 @@
+{ stdenv,
+  lib,
+  fetchFromGitHub,
+  scons,
+  ragel,
+  gengetopt,
+  pkg-config,
+  libuv,
+  openfecSupport ? true,
+  openfec,
+  libunwindSupport ? true,
+  libunwind,
+  pulseaudioSupport ? true,
+  libpulseaudio
+}:
+
+stdenv.mkDerivation rec {
+  pname = "roc-toolkit";
+  version = "0.1.5";
+
+  src = fetchFromGitHub {
+    owner = "roc-streaming";
+    repo = "roc-toolkit";
+    rev = "v${version}";
+    sha256 = "sha256:1pld340zfch4p3qaf5anrspq7vmxrgf9ddsdsq92pk49axaaz19w";
+  };
+
+  nativeBuildInputs = [
+    scons
+    ragel
+    gengetopt
+    pkg-config
+  ];
+
+  buildInputs = [
+    libuv
+    libunwind
+    openfec
+    libpulseaudio
+  ];
+
+  sconsFlags =
+    [ "--build=${stdenv.buildPlatform.config}"
+      "--host=${stdenv.hostPlatform.config}"
+      "--prefix=${placeholder "out"}"
+      "--disable-sox"
+      "--disable-doc"
+      "--disable-tests" ] ++
+    lib.optional (!libunwindSupport) "--disable-libunwind" ++
+    lib.optional (!pulseaudioSupport) "--disable-pulseaudio" ++
+    (if (!openfecSupport)
+       then ["--disable-openfec"]
+       else [ "--with-libraries=${openfec}/lib"
+              "--with-openfec-includes=${openfec.dev}/include" ]);
+
+  prePatch = lib.optionalString stdenv.isAarch64
+    "sed -i 's/c++98/c++11/g' SConstruct";
+
+  # TODO: Remove these patches in the next version.
+  patches = [
+    ./0001-Remove-deprecated-scons-call.patch
+    ./0002-Fix-compatibility-with-new-SCons.patch
+  ];
+
+  meta = with lib; {
+    description = "Roc is a toolkit for real-time audio streaming over the network";
+    homepage = "https://github.com/roc-streaming/roc-toolkit";
+    license = licenses.mpl20;
+    maintainers = with maintainers; [ bgamari ];
+    platforms = platforms.unix;
+  };
+}