the source package is named libnl-0.5.0.tar.gz but the real version is 0.5.1. From configure.in: AC_INIT(libnl, 0.5.1, tgraf@suug.ch) # qlist libnl | grep libnl /usr/lib/libnl.so.0.5.1 /usr/lib/libnl.so.0 /usr/lib/libnl.so
Then you should report this upstream, not a Gentoo fault.
fair enough. I sent an email to author and it looks like its fixed in 1.0_rc. thanks!