diff --git a/readme.txt b/generate_folder.pl
similarity index 90%
rename from readme.txt
rename to generate_folder.pl
index 7165151..b59b9b6 100644
--- a/readme.txt
+++ b/generate_folder.pl
@@ -10,6 +10,7 @@ use File::pushd;
 
 use feature 'signatures';
 
+
 my @dlls = (
     glob('/usr/x86_64-w64-mingw32/usr/bin/*'),
     glob('/usr/x86_64-w64-mingw32/usr/lib/*')
@@ -100,14 +101,14 @@ my $destdir = path(__FILE__)->parent->absolute;
       "@{[$destdir->child('c/bin')]};@{[$destdir->child('perl/bin')]}",
 );
 
-exec 'wperl.exe', $destdir->child('start.pl');
+exec 'perl/bin/wperl.exe', $destdir->child('start.pl');
 EOF
 
     my $start_c_file_contents = <<'EOF';
 #include <unistd.h>
 
 int main() {
-    return execl( "perl/bin/wperl.exe", "wperl.exe", "-Iperl/lib", "setup_env.pl", NULL );
+    return execl( "perl/bin/wperl.exe", "wperl.exe", "-Iperl/lib", "setup_env.pl", (char *)NULL );
 }
 EOF
 
@@ -139,12 +140,18 @@ EOF
     $destdir->child('start.c')->spew_raw($start_c_file_contents);
     $destdir->child('start.pl')->spew_raw($start_pl_file_contents);
     $destdir->child('setup_env.pl')->spew_raw($setup_env_file_contents);
-    execute('rm', $destdir->child('start.exe'));
+    execute('rm', '-f', $destdir->child('start.exe'));
     execute(
         qw{/usr/bin/x86_64-w64-mingw32-gcc -mwindows -o},
         $destdir->child('start.exe'),
         $destdir->child('start.c'), '-Wl,--subsystem,windows',
     );
+    execute( 'rm', '-r', $destdir->child('.wine'));
+    execute( 'find', $destdir, '-name', '*.h', '-delete');
+    execute( 'find', $destdir, '-name', '*.a', '-delete');
+    execute( 'find', $destdir, '-name', '*.cmake', '-delete');
+    execute( 'find', $destdir, '-name', '*.idl', '-delete');
+    execute( 'find', $destdir, '-name', '*.rst', '-delete');
 }
 
 sub execute(@command) {