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/applications/emulators/firebird-emu/default.nix

@@ -0,0 +1,36 @@
+{ mkDerivation, lib, fetchFromGitHub, qmake, qtbase, qtdeclarative }:
+
+mkDerivation rec {
+  pname = "firebird-emu";
+  version = "1.5";
+
+  src = fetchFromGitHub {
+    owner = "nspire-emus";
+    repo = "firebird";
+    rev = "v${version}";
+    sha256 = "sha256-T62WB6msdB6/wIulqd/468JrCEiPGUrvtpjkZyo4wiA=";
+    fetchSubmodules = true;
+  };
+
+  nativeBuildInputs = [ qmake ];
+
+  buildInputs = [ qtbase qtdeclarative ];
+
+  makeFlags = [ "INSTALL_ROOT=$(out)" ];
+
+  # Attempts to install to /usr/bin and /usr/share/applications, which Nix does
+  # not use.
+  prePatch = ''
+    substituteInPlace firebird.pro \
+      --replace '/usr/' '/'
+  '';
+
+  meta = {
+    homepage = "https://github.com/nspire-emus/firebird";
+    description = "Third-party multi-platform emulator of the ARM-based TI-Nspire™ calculators";
+    license = lib.licenses.gpl3;
+    maintainers = with lib.maintainers; [ pneumaticat ];
+    # Only tested on Linux, but likely possible to build on, e.g. macOS
+    platforms = lib.platforms.linux;
+  };
+}