ubuntu1604 catkin_make failed

[turinglife]

/usr/include/c++/5/bits/c++0x_warning.h:32:2: error: #error This file requires compiler and library support for the ISO C++ 2011 standard. This support must be enabled with the -std=c++11 or -std=gnu++11 compiler options.
#error This file requires compiler and library support \

---

solution:

1. put set(CMAKE_CXX_FLAGS "-std=c++11") to CMakeList.txt @ abseil-cpp
2. put set(CMAKE_CXX_FLAGS "-std=c++11") to CMakeList.txt @ src/cartographer/

[turinglife]

SetUsageMessage’ is not a member of ‘google

solution:
change to

#ifdef GFLAGS_NAMESPACE
GFLAGS_NAMESPACE::ParseCommandLineFlags(&argc, &argv, true);
#else
google::ParseCommandLineFlags(&argc, &argv, true);
#endif