CC="gcc-4.2 -arch x86_64 -std=gnu99" CXX="g++-4.2 -arch x86_64" OBJC="gcc-4.2 -arch x86_64" F77="gfortran-4.2 -arch x86_64" FC="gfortran-4.2 -arch x86_64" CFLAGS='-mtune=core2 -g -O2' CXXFLAGS='-mtune=core2 -g -O2' OBJCFLAGS='-mtune=core2 -g -O2' FCFLAGS='-mtune=core2 -g -O2' F77FLAGS='-mtune=core2 -g -O2' --with-system-zlib --enable-memory-profiling --disable-openmp