my $crypto ="include/openssl/crypto.h";
$crypto.=" include/internal/o_dir.h";
$crypto.=" include/internal/o_str.h";
-$crypto.=" include/internal/threads.h";
$crypto.=" include/internal/err.h";
$crypto.=" include/openssl/des.h" ; # unless $no_des;
$crypto.=" include/openssl/idea.h" ; # unless $no_idea;