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/servers/irc/solanum/default.nix

@@ -0,0 +1,68 @@
+{ lib, stdenv
+, autoreconfHook
+, bison
+, fetchFromGitHub
+, flex
+, lksctp-tools
+, openssl
+, pkg-config
+, sqlite
+, util-linux
+}:
+
+stdenv.mkDerivation rec {
+  pname = "solanum";
+  version = "unstable-2021-11-14";
+
+  src = fetchFromGitHub {
+    owner = "solanum-ircd";
+    repo = pname;
+    rev = "bd38559fedcdfded4d9acbcbf988e4a8f5057eeb";
+    sha256 = "sha256-2P+mqf5b+TD9+9dLahXOdH7ZZhPWUoR1eV73YHbRbAA=";
+  };
+
+  patches = [
+    ./dont-create-logdir.patch
+  ];
+
+  postPatch = ''
+    substituteInPlace include/defaults.h --replace 'ETCPATH "' '"/etc/solanum'
+  '';
+
+  configureFlags = [
+    "--enable-epoll"
+    "--enable-ipv6"
+    "--enable-openssl=${openssl.dev}"
+    "--with-program-prefix=solanum-"
+    "--localstatedir=/var/lib"
+    "--with-rundir=/run"
+    "--with-logdir=/var/log"
+  ] ++ lib.optionals (stdenv.isLinux) [
+    "--enable-sctp=${lksctp-tools.out}/lib"
+  ];
+
+  nativeBuildInputs = [
+    autoreconfHook
+    bison
+    flex
+    pkg-config
+    util-linux
+  ];
+
+  buildInputs = [
+    openssl
+    sqlite
+  ];
+
+  doCheck = !stdenv.isDarwin;
+
+  enableParallelBuilding = true;
+
+  meta = with lib; {
+    description = "An IRCd for unified networks";
+    homepage = "https://github.com/solanum-ircd/solanum";
+    license = licenses.gpl2Plus;
+    maintainers = with maintainers; [ hexa ];
+    platforms = platforms.unix;
+  };
+}