# LLVM/clang++ with libc++ on Linux
#CXX=clang++
#CXXOPTS=-stdlib=libc++ -std=gnu++11 -Os -Wall -fno-rtti
#EXTRA_LIBS=-lc++abi

# GCC. Note with GCC 5,5.1,5.2 the new C++11 ABI is buggy.
CXX=g++
CXXOPTS=-D_GLIBCXX_USE_CXX11_ABI=0 -std=gnu++11 -Os -Wall -fno-rtti
EXTRA_LIBS=

# OpenBSD, tested with GCC 4.9.3 and gmake:
#CXX=eg++
#CXXOPTS=-D_GLIBCXX_USE_CXX11_ABI=0 -std=gnu++11 -Os -Wall -fno-rtti
#EXTRA_LIBS=