if test "$GCC" = yes; then
  CFLAGS=-O2
else
# the -Kno_host is temporary for a bug in the compiler.  See -hackers
# discussion on 7-8/Aug/2003.
# when the 7.1.3UP3 or later compiler is out, we can do a version check.
  CFLAGS='-O -Kinline,no_host'
fi