| 12345678910111213141516171819202122232425262728 | #!/usr/bin/env perl@flags = ("NO_POPEN", "NO_SSL", "NDEBUG", "DEBUG", "NO_CGI");my $num_flags = @flags;sub fail {	print "FAILED: @_\n";	exit 1;}my $platform = $ARGV[0] || "linux";for (my $i = 0; $i < 2 ** $num_flags; $i++) {	my $bitmask = sprintf("%*.*b", $num_flags, $num_flags, $i);	my @combination = ();	for (my $j = 0; $j < $num_flags; $j++) {		push @combination, $flags[$j] if substr($bitmask, $j, 1);	}	my $defines = join(" ", map { "-D$_" } @combination);	my $cmd = "CFLAGS=\"$defines\" make clean $platform >/dev/null";	system($cmd) == 0 or fail "build failed: $_";	print "Build succeeded, flags: [$defines]\n";	system("perl test/test.pl basic_tests >/dev/null") == 0		or fail "basic tests";	print "Basic tests: OK\n";}print "PASS: All builds passed!\n";
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