delete $br{"mingw32-example"};
delete $br{"mingw32-gdb"};
delete $br{"mingw32-python"};
delete $br{"mingw32-example"};
delete $br{"mingw32-gdb"};
delete $br{"mingw32-python"};
delete $br{"mingw32-pidgin"};
delete $br{"mingw32-nspr"};
delete $br{"mingw32-nss"};
delete $br{"mingw32-pidgin"};
delete $br{"mingw32-nspr"};
delete $br{"mingw32-nss"};