if test "$GCC" != yes ; then
  CC="$CC -Xa"			# relaxed ISO C mode
  CFLAGS="-O -v"		# -v is like gcc -Wall
fi

# Pick right test-and-set (TAS) code.
case $host in
  sparc-*-solaris*)  need_tas=yes; tas_file=solaris_sparc.s ;;
  i?86-*-solaris*)   need_tas=yes; tas_file=solaris_i386.s ;;
esac

# -D_POSIX_PTHREAD_SEMANTICS enables 5-arg getpwuid_r, among other things