Suppress empty #ifdef blocks in embed.pl

p4raw-id: //depot/perl@18734

1 files changed, 1 insertions, 1 deletions

diff --git a/embed.pl b/embed.pl
index 9e5c62b482..598ebcc0cd 100755
--- a/embed.pl
+++ b/embed.pl
@@ -344,7 +344,7 @@ walk_table {
 		$ret .= hide($func,"Perl_$func");
 	    }
 	}
-         unless ($flags =~ /A/) {
+	if ($ret ne '' && $flags !~ /A/) {
 	    if ($flags =~ /E/) {
 		$ret = "#if defined(PERL_CORE) || defined(PERL_EXT)\n$ret#endif\n";
 	    } else {