da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin# SHOPT_* option probe

tst cross{

: check for shell magic #!

cat > /tmp/file$$ <<!

#! /bin/echo

exit 1

!

chmod 755 /tmp/file$$

if /tmp/file$$ > /dev/null

then echo "#define SHELLMAGIC 1"

fi

rm -f /tmp/file$$

option() # name value

{

case $2 in

0) echo "#ifndef SHOPT_$1"

echo "# define SHOPT_$1 1"

echo "#endif"

;;

*) echo "#undef SHOPT_$1"

;;

esac

}

ls /dev/fd/9 9<&0 >/dev/null 2>&1

option DEVFD $?

exec 9<&-

case `echo a | tr a '\012' | wc -l` in

*1*) option MULTIBYTE 0 ;;

esac

test -x /bin/pfexec -o -x /usr/bin/pfexec

option PFSH $?

/bin/test ! -l . 2> /dev/null

option TEST_L $?

test -f /etc/ksh.kshrc -o -f /etc/bash.bashrc &&

option SYSRC 0

test -f /bin/universe && univ=`/bin/universe` > /dev/null 2>&1 -a ucb = "$univ"

option UCB $?

}end

cat{

#if !_PACKAGE_ast && ( (MB_LEN_MAX-1)<=0 || !defined(_lib_mbtowc) )

# undef SHOPT_MULTIBYTE

#endif

}end