Gflags ROS Wrapper

Motivation

It's broken in Ubuntu 14.04 gflags/gflags#120

About

https://gflags.github.io/gflags/

Usage

In your package's package.xml:

<build_depend>gflags</build_depend>

In your package's CMakeLists:

find_package(catkin REQUIRED COMPONENTS
  gflags
)

In your code's header:

// Command line arguments
#include <gflags/gflags.h>

DEFINE_int32(mode, 2, "Mode");

In your main() function:

google::SetVersionString("0.0.1");
google::SetUsageMessage("Explanation of what this node does");
google::ParseCommandLineFlags(&argc, &argv, true);

ros::init(argc, argv, "MyNode", ros::init_options::AnonymousName);

int mode = FLAGS_mode;