gem-config: add libxml2-ruby (#44099)

Changed files
+7
pkgs
development
ruby-modules
gem-config
+7
pkgs/development/ruby-modules/gem-config/default.nix
···
buildFlags = [ "--with-system-v8=true" ];
};
+
libxml-ruby = attrs: {
+
buildFlags = [
+
"--with-xml2-lib=${libxml2.out}/lib"
+
"--with-xml2-include=${libxml2.dev}/include/libxml2"
+
];
+
};
+
msgpack = attrs: {
buildInputs = [ libmsgpack ];
};