Summary
The remote host is missing updates announced in
advisory GLSA 200404-08.
Solution
Automake users should upgrade to the latest versions:
# emerge --sync
# emerge --ask --oneshot --verbose sys-devel/automake
http://www.securityspace.com/smysecure/catid.html?in=GLSA%20200404-08 http://bugs.gentoo.org/show_bug.cgi?id=45646
Insight
Automake may be vulnerable to a symbolic link attack which may allow an attacker to modify data or elevate their privileges.