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/libmodulemd/default.nix

@@ -0,0 +1,73 @@
+{ lib, stdenv
+, substituteAll
+, fetchFromGitHub
+, pkg-config
+, meson
+, ninja
+, gobject-introspection
+, python3
+, libyaml
+, rpm
+, file
+, gtk-doc
+, docbook-xsl-nons
+, docbook_xml_dtd_412
+, glib
+}:
+
+stdenv.mkDerivation rec {
+  pname = "libmodulemd";
+  version = "2.14.0";
+
+  outputs = [ "bin" "out" "dev" "devdoc" "man" "py" ];
+
+  src = fetchFromGitHub {
+    owner = "fedora-modularity";
+    repo = pname;
+    rev = "${pname}-${version}";
+    sha256 = "sha256-ccLk8O0UJwy7WZYr5Bq2XqaSFNe4i7HQehmVoB5C2Yg=";
+  };
+
+  patches = [
+    # Use proper glib devdoc path.
+    (substituteAll {
+      src = ./glib-devdoc.patch;
+      glib_devdoc = glib.devdoc;
+    })
+  ];
+
+  nativeBuildInputs = [
+    pkg-config
+    meson
+    ninja
+    gtk-doc
+    docbook-xsl-nons
+    docbook_xml_dtd_412
+    gobject-introspection
+  ];
+
+  buildInputs = [
+    libyaml
+    rpm
+    file # for libmagic
+    glib
+  ];
+
+  mesonFlags = [
+    "-Dgobject_overrides_dir_py3=${placeholder "py"}/${python3.sitePackages}/gi/overrides"
+  ];
+
+  postFixup = ''
+    # Python overrides depend our own typelibs and other packages
+    mkdir -p "$py/nix-support"
+    echo "$out ${python3.pkgs.pygobject3} ${python3.pkgs.six}" > "$py/nix-support/propagated-build-inputs"
+  '';
+
+  meta = with lib; {
+    description = "C Library for manipulating module metadata files";
+    homepage = "https://github.com/fedora-modularity/libmodulemd";
+    license = licenses.mit;
+    maintainers = with maintainers; [ ];
+    platforms = platforms.linux ++ platforms.darwin ;
+  };
+}

pkgs/development/libraries/libmodulemd/glib-devdoc.patch

@@ -0,0 +1,13 @@
+diff --git a/meson.build b/meson.build
+index a8b02b4..dd31a76 100644
+--- a/meson.build
++++ b/meson.build
+@@ -67,7 +67,7 @@ test = find_program('test')
+ with_docs = get_option('with_docs')
+ if with_docs
+   gtkdoc = dependency('gtk-doc')
+-  glib_docpath = join_paths(glib_prefix, 'share', 'gtk-doc', 'html')
++  glib_docpath = join_paths('@glib_devdoc@', 'share', 'gtk-doc', 'html')
+ 
+   ret = run_command ([test, '-e', join_paths(glib_docpath, 'glib/index.html')])
+   if ret.returncode() != 0