if test "$GCC" = yes ; then
  CFLAGS='-O2 -pipe'
else # not GCC
  CFLAGS='-O2 -qmaxmem=16384 -qsrcmsg -qlonglong'
  case $host_os in
    aix3.2.5 | aix4.1*)
      CFLAGS='-qmaxmem=16384 -qsrcmsg' ;;
  esac
fi # not GCC