Makefiles generated using older (<1.10) versions of Automake may have bugs causing failure of parallel builds. Also have a look at: http://fedoraproject.org/wiki/Packaging/Guidelines#head-525c7d76890cb22df33b759c65c35c82bf434d2e I have encountered such faulty Makefiles in some of my packages too. Cheers, Debarshi -- Free software for the Indian community: * ftp://fedora.glug-nith.org/ (Fedora) * http://gnu.glug-nith.org/ (GNU) * http://mirror.wbut.ac.in/ (CRAN, Fedora, Mozilla, TLDP) -- fedora-devel-list mailing list fedora-devel-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/fedora-devel-list