for my $file (<*.cpp>, <modes/*.cpp>, <socketengines/*.cpp>, "threadengines/threadengine_pthread.cpp") {
my $out = find_output $file;
dep_cpp $file, $out, 'gen-o';
for my $file (<*.cpp>, <modes/*.cpp>, <socketengines/*.cpp>, "threadengines/threadengine_pthread.cpp") {
my $out = find_output $file;
dep_cpp $file, $out, 'gen-o';