message: [OpenMP] Add missing parenthesis in Perl module
diff: @@ -16,7 +16,7 @@ use tools;
  sub empty($) {
  my ( $var ) = @_;
  - return (not exists($ENV{$var})) or (not defined($ENV{$var})) or ($ENV{$var} eq "");
  + return ((not exists($ENV{$var})) or (not defined($ENV{$var})) or ($ENV{$var} eq ""));
  }; # sub empty
  my ( $base, $out, $tmp );
  