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/ada/gnatcoll/bindings.nix

@@ -0,0 +1,88 @@
+{ stdenv
+, lib
+, fetchFromGitHub
+, gnat
+, gprbuild
+, gnatcoll-core
+, component
+# component dependencies
+, gmp
+, libiconv
+, xz
+, gcc-unwrapped
+, readline
+, zlib
+, python3
+, ncurses
+}:
+
+let
+  # omit python (2.7), no need to introduce a
+  # dependency on an EOL package for no reason
+  libsFor = {
+    iconv = [ libiconv ];
+    gmp = [ gmp ];
+    lzma = [ xz ];
+    readline = [ readline ];
+    python3 = [ python3 ncurses ];
+    syslog = [ ];
+    zlib = [ zlib ];
+  };
+in
+
+
+stdenv.mkDerivation rec {
+  pname = "gnatcoll-${component}";
+  version = "22.0.0";
+
+  src = fetchFromGitHub {
+    owner = "AdaCore";
+    repo = "gnatcoll-bindings";
+    rev = "v${version}";
+    sha256 = "0wbwnd6jccwfd4jdxbnzhc0jhm8ad4phz6y9b1gk8adykkk6jcz4";
+  };
+
+  patches = [
+    ./omp-setup-text-mode.patch
+  ];
+
+  nativeBuildInputs = [
+    gprbuild
+    gnat
+    python3
+  ];
+
+  # propagate since gprbuild needs to find referenced .gpr files
+  # and all dependency C libraries when statically linking a
+  # downstream executable.
+  propagatedBuildInputs = [
+    gnatcoll-core
+  ] ++ libsFor."${component}" or [];
+
+  # explicit flag for GPL acceptance because upstreams
+  # allows a gcc runtime exception for all bindings
+  # except for readline (since it is GPL w/o exceptions)
+  buildFlags = lib.optionals (component == "readline") [
+    "--accept-gpl"
+  ];
+
+  buildPhase = ''
+    runHook preBuild
+    ${python3.interpreter} ${component}/setup.py build --prefix $out $buildFlags
+    runHook postBuild
+  '';
+
+  installPhase = ''
+    runHook preInstall
+    ${python3.interpreter} ${component}/setup.py install --prefix $out
+    runHook postInstall
+  '';
+
+  meta = with lib; {
+    description = "GNAT Components Collection - Bindings to C libraries";
+    homepage = "https://github.com/AdaCore/gnatcoll-bindings";
+    license = licenses.gpl3Plus;
+    platforms = platforms.all;
+    maintainers = [ maintainers.sternenseemann ];
+  };
+}