--On 21 December 2004 11:56 +0800 Steve Smith <steves@is-focus.net> wrote:
I am installing Snort 2.20 using the MMaped libpcap from Phil Woods
web-site: http://public.lanl.gov/cpw/.
The latest version of the MMAPed libpcap is: libpcap-1.0.20041001
The Snort installation went well without any problem under Fedora Core 1.
However, the same installation under Fedora core 2, I got the following
error messages:
/usr/local/lib/libpcap.a(pcap-ring.o)(.text+0x4d4): In function
`pcap_ring_recv':
/usr/local/src/libpcap/pcap-ring.c:392: undefined reference to `mb'
collect2: ld returned 1 exit status
The Fedora core 2 kernel version is: Linux 2.6.9-1.6
Any ideas or suggestions?
mb() is defined as a macro in /usr/include/asm/system.h on kernel 2.4-based
FC1. This seems not to be the case with the glibc-kernheaders package
included in FC3 (probably FC2, too, as both are kernel 2.6-based).
I've no idea if this'll work, but I'd try adding the following lines from
FC1's system.h
#define mb() __asm__ __volatile__ ("lock; addl $0,0(%%esp)": : :"memory")
(all on one line).
Thanks.
SS
Please report back on your success or failure, as I'm going to need to do
something similar soon. ;-)
Best Regards,
Alex.
--
Alex Butcher: Security & Integrity, Personal Computer Systems Group
Information Systems and Computing GPG Key ID: F9B27DC9
GPG Fingerprint: D62A DD83 A0B8 D174 49C4 2849 832D 6C72 F9B2 7DC9
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