Added FindGflags directly to this repo

CMakeLists.txt

@@ -2,9 +2,10 @@ cmake_minimum_required(VERSION 2.8.3)
 project(ros_control_boilerplate)
 
 # C++ 11
-#set(CMAKE_CXX_FLAGS "-std=c++11 -Wall ${CMAKE_CXX_FLAGS}")
+set(CMAKE_CXX_FLAGS "-std=c++11 -Wall ${CMAKE_CXX_FLAGS}")
 
 find_package(catkin REQUIRED COMPONENTS
+  cmake_modules
   hardware_interface
   controller_manager
   roscpp
@@ -16,9 +17,9 @@ find_package(catkin REQUIRED COMPONENTS
   transmission_interface
   control_toolbox
   std_msgs
-  cmake_modules
 )
 
+set(CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake)
 find_package(Gflags REQUIRED)
 
 ## System dependencies are found with CMake's conventions

cmake/FindGflags.cmake

@@ -0,0 +1,52 @@
+###############################################################################
+#
+# CMake script for finding the GFlags library.
+#
+# https://gflags.github.io/gflags/
+#
+# Redistribution and use is allowed according to the terms of the 3-clause BSD
+# license.
+#
+# Input variables:
+#
+# - Gflags_FIND_REQUIRED: throws an error if gflags is not found but it is required
+#
+# Output variables:
+#
+# - Gflags_FOUND: Boolean that indicates if the package was found
+# - Gflags_LIBRARIES: Package libraries
+# - Gflags_INCLUDE_DIRS: Absolute path to package headers
+#
+# Example usage:
+#
+#   find_package(Gflags REQUIRED)
+#
+#   include_directories(
+#     ${Gflags_INCLUDE_DIRS}
+#   )
+#
+#   add_executable(main src/main.cpp)
+#   target_link_libraries(main
+#     ${Gflags_LIBRARIES}
+#   )
+###############################################################################
+
+
+find_path(Gflags_INCLUDE_PATH gflags/gflags.h)
+
+find_library(Gflags_LIBRARY NAMES gflags libgflags)
+
+if(Gflags_INCLUDE_PATH AND Gflags_LIBRARY)
+  set(Gflags_FOUND TRUE)
+endif(Gflags_INCLUDE_PATH AND Gflags_LIBRARY)
+
+if(Gflags_FOUND)
+  message(STATUS "Found gflags: ${Gflags_LIBRARY}")
+  # Output variables
+  set(Gflags_INCLUDE_DIRS ${Gflags_INCLUDE_DIR})
+  set(Gflags_LIBRARIES ${Gflags_LIBRARY})
+else(Gflags_FOUND)
+  if(Gflags_FIND_REQUIRED)
+    message(FATAL_ERROR "Could not find gflags library.")
+  endif(Gflags_FIND_REQUIRED)
+endif(Gflags_FOUND)