flags for GCC compilers version 4.8 and above.
Removed files from gnu-warnings that only apply to versions < 4.8.
Consolidated warnings from versions < 4.8 that apply to versions >= 4.8
into the 4.8 warnings files.
g++ (older than gcc/g++ 4.2).
Correct gnu-cxxflags to determine warnings flags to be added based on
C++ compiler version instead of C compiler version.
and replace it with new url for COPYING file.
Fix 2 lines in java error test expected output file where messages
include line numbers changed by reducing the copyright header by 2
lines.
This flag generates a large number of warnings and is considered obsolete
since its primary purpose seems to have been to support ancient compilers
that could not return an aggregate.
Tested on: 64-bit Ubuntu 15.10 w/ gcc 5.2.1
Autotools serial w/ C++
This flag generates a large number of spurious warnings in our code
so we've disabled it for now.
Tested on: 64-bit Ubuntu 15.10 (Linux 4.2.0 x86_64) gcc 5.2.1
autotools serial w/ C++
