+case "$bincompat3" in
+y*)
+ global=/tmp/exp$$g
+ interp=/tmp/exp$$i
+ compat3=/tmp/exp$$c
+ grep '^[A-Za-z]' global.sym | sort >$global
+ grep '^[A-Za-z]' interp.sym | sort >$interp
+ grep '^[A-Za-z]' compat3.sym | sort >$compat3
+ comm -23 $global $compat3 | sed 's/^/Perl_/' >> perl.exp
+ comm -12 $interp $compat3 | sed 's/^/Perl_/' >> perl.exp
+ comm -12 $global $compat3 >> perl.exp
+ comm -23 $interp $compat3 >> perl.exp
+ rm -f $global $interp $compat3
+ ;;
+*)
+ sed -n '/^[A-Za-z]/ s/^/Perl_/p' global.sym interp.sym >> perl.exp
+ ;;
+esac
+
+#
+# If we use the PerlIO abstraction layer, add its symbols
+#
+
+if [ $useperlio = "define" ]
+then
+ grep '^[A-Za-z]' perlio.sym >> perl.exp
+fi