While installing Quartus 11 on Fedora 14, I hit this small issue:
quartus: error while loading shared libraries: libsys_cpt.so: cannot enable executable stack as shared object requires: Permission denied
Solution (as root):
$ cd /opt/altera/11.0/quartus/linux $ execstack -c libstdc++-libc6.2-2.so.3 libicudata.so.34 libsys_cpt.so