id summary reporter owner description type status milestone component version severity resolution keywords cc 3475 File permissions lost in 7z archive => unable to install math@… Beman Dawes "When downloading the boost 1.40.0 from http://sourceforge.net/projects/boost/files/boost/1.40.0/, you cannot install the 7z archive on Unix-like systems since the executable bit is lost. All scripts and files just have the 600 permission. This is due to 7z, which cannot store file permissions. Even while doing a {{{ find . -type -f -iname '*.sh' -exec chmod +x {} \; }}} `bjam install` will fail since all headers have the permission `600` too and they are owned by root." Bugs closed Boost 1.41.0 Building Boost Boost 1.40.0 Problem duplicate unix permissions 7z