On Thu, Oct 30, 2008 at 10:56:49PM +1300, Douglas Bagnall wrote: > I've been working on a package for OLPC that uses pam_sotp, which > Rahul Sundaram packaged for Fedora in order to help OLPC. > > http://sundaram.fedorapeople.org/packages/pam_sotp-0.3.3-1.fc9.src.rpm > > Unfortunately the installed pam module fails with errors like this: > > PAM unable to dlopen(/lib/security/pam_sotp.so): \ > /lib/security/pam_sotp.so: undefined symbol: __stack_chk_fail_local > > This is related to gcc's fairly recently introduced stack smashing > protection; if it is compiled with CFLAGS="-fno-stack-protector", the > module works fine. But that seems wrong. > > How are these symbols ending up undefined? Has anyone met this > problem before? Some googling suggested linking with gcc rather than > ld, but I can't work out how to make the rpm do that. Yeah, that's very likely the case. Linking with ld -shared as opposed to gcc -shared is (almost always) a bug. Guess you need to modify this package's Makefiles to do the right thing... Jakub -- fedora-devel-list mailing list fedora-devel-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/fedora-devel-list
