After upgrading a few packages on one of my Gentoo machines, I was greeted with repeated errors like this one, whilst trying to emerge Avahi: /usr/include/pango-1.0/pango/pango-script.h:132: error: expected declaration specifiers or '...' before 'G_CONST_RETURN' /usr/include/pango-1.0/pango/pango-script.h:133: error: …

Just upgraded net-fs/nfs-utils to nfs-utils-1.2.3-r1 on my Gentoo machine, and came across this error: checking for keyutils.h... no configure: error: keyutils.h header not found. !!! Please attach the following file when seeking support: !!! /var/tmp/portage/net-fs/nfs-utils-1.2.4/work/nfs-utils-1.2.4/config.log * …