1_56 tar file has directories with wrong permissions, will not install

[geoffwattles@…]

Many of the untarred directories in the tar file have the incorrect following permissions: drwx------

where group and other permissions are absent, please fix with a recursive chmod to all found directories (find -type d -exec chmod -R a+rx {} \;) to have group and other permissions resulting in the following ls -l drwxr-xr-x

Without that, boost will not install and has many permissions errors. Thanks.