geosam [1] filed a deletion request for liblas-hg [2]: Old package. The repository now is GIT and not mercurial. Errors in the compilation. Replaced by: https://aur.archlinux.org/packages/liblas-git/ [1] https://aur.archlinux.org/account/geosam/ [2] https://aur.archlinux.org/pkgbase/liblas-hg/