fix handling of $Config{variables} in io/fflush.t

Message-ID: <Pine.BSF.4.21.0105022353380.24421-100000@shell8.ba.best.com>

p4raw-id: //depot/perl@9972

diff --git a/t/io/fflush.t b/t/io/fflush.t
index 8c6bd08..2c7f7bb 100644 (file)
--- a/t/io/fflush.t
+++ b/t/io/fflush.t
@@ -16,10 +16,16 @@ use strict;
 # This attempts to mirror the #ifdef forest found in perl.h so that we
 # know when to run these tests.  If that forest ever changes, change
 # it here too or expect test gratuitous test failures.
-if ($Config{useperlio} || $Config{fflushNULL} || $Config{d_sfio}) {
+my $useperlio = defined $Config{useperlio} ? $Config{useperlio} eq 'define' ? 1 : 0 : 0;
+my $fflushNULL = defined $Config{fflushNULL} ? $Config{fflushNULL} eq 'define' ? 1 : 0 : 0;
+my $d_sfio = defined $Config{d_sfio} ? $Config{d_sfio} eq 'define' ? 1 : 0 : 0;
+my $fflushall = defined $Config{fflushall} ? $Config{fflushall} eq 'define' ? 1 : 0 : 0;
+my $d_fork = defined $Config{d_fork} ? $Config{d_fork} eq 'define' ? 1 : 0 : 0;
+
+if ($useperlio || $fflushNULL || $d_sfio) {
     print "1..4\n";
 } else {
-    if ($Config{fflushall}) {
+    if ($fflushall) {
        print "1..4\n";
     } else {
        print "1..0 # Skip: fflush(NULL) or equivalent not available\n";
@@ -66,7 +72,7 @@ push @delete, "ff-prog";
 $| = 0; # we want buffered output
 
 # Test flush on fork/exec
-if ($Config{d_fork} ne "define") {
+if (!$d_fork) {
     print "ok 1 # skipped: no fork\n";
 } else {
     my $f = "ff-fork-$$";