On Mon, Nov 5, 2012 at 8:36 AM, Daniel Borkmann <[email protected]> wrote: >> /usr/bin/ld: netsniff-ng/mac80211.o: undefined reference to symbol >> 'nlmsg_alloc' >> /usr/bin/ld: note: 'nlmsg_alloc' is defined in DSO /lib/libnl-3.so.200 >> so try adding it to the linker command line >> /lib/libnl-3.so.200: could not read symbols: Invalid operation >> collect2: ld returned 1 exit status >> make: *** [netsniff-ng] Error 1 >> >> What am I missing? > > On my Debian machine, it is installed under /usr/lib/ . The symlink > /usr/lib/libnl-3.so.200 points to /usr/lib/libnl-3.so.200.10.1, so > does the symlink /usr/lib/libnl-3.so . The same counts for > libnl-genl-3.so et al. Is that maybe not the case on your machine > since ld cannot read the symbols?! (Wrong symlink?)
ls -alh /usr/lib/libnl* lrwxrwxrwx 1 root root 18 May 2 2011 /usr/lib/libnl-cli.so.2 -> libnl-cli.so.2.0.0 -rw-r--r-- 1 root root 31K May 2 2011 /usr/lib/libnl-cli.so.2.0.0 lrwxrwxrwx 1 root root 19 May 2 2011 /usr/lib/libnl-genl.so.2 -> libnl-genl.so.2.0.0 -rw-r--r-- 1 root root 20K May 2 2011 /usr/lib/libnl-genl.so.2.0.0 lrwxrwxrwx 1 root root 17 May 2 2011 /usr/lib/libnl-nf.so.2 -> libnl-nf.so.2.0.0 -rw-r--r-- 1 root root 66K May 2 2011 /usr/lib/libnl-nf.so.2.0.0 lrwxrwxrwx 1 root root 24 May 26 06:14 /usr/lib/libnl-route-3.so.200 -> libnl-route-3.so.200.3.0 -rw-r--r-- 1 root root 267K Apr 2 2012 /usr/lib/libnl-route-3.so.200.3.0 lrwxrwxrwx 1 root root 20 May 2 2011 /usr/lib/libnl-route.so.2 -> libnl-route.so.2.0.0 -rw-r--r-- 1 root root 193K May 2 2011 /usr/lib/libnl-route.so.2.0.0 lrwxrwxrwx 1 root root 14 May 2 2011 /usr/lib/libnl.so.2 -> libnl.so.2.0.0 -rw-r--r-- 1 root root 90K May 2 2011 /usr/lib/libnl.so.2.0.0 ls -alh /lib/libnl* lrwxrwxrwx 1 root root 18 Apr 2 2012 /lib/libnl-3.so -> libnl-3.so.200.3.0 lrwxrwxrwx 1 root root 18 May 26 06:13 /lib/libnl-3.so.200 -> libnl-3.so.200.3.0 -rw-r--r-- 1 root root 95K Apr 2 2012 /lib/libnl-3.so.200.3.0 lrwxrwxrwx 1 root root 23 Apr 2 2012 /lib/libnl-genl-3.so -> libnl-genl-3.so.200.3.0 lrwxrwxrwx 1 root root 23 May 26 06:13 /lib/libnl-genl-3.so.200 -> libnl-genl-3.so.200.3.0 -rw-r--r-- 1 root root 20K Apr 2 2012 /lib/libnl-genl-3.so.200.3.0 file /lib/libnl-3.so.200.3.0 /lib/libnl-3.so.200.3.0: ELF 64-bit LSB shared object, x86-64, version 1 (SYSV), dynamically linked, BuildID[sha1]=0xc1ca736f91d70ed352730384631a33100ff6a7d0, stripped -- Doug Burks http://securityonion.blogspot.com --
