Simplicity is a form of art...

Segmentation fault when emerging packages after libpcre upgrade?
by Sven Vermeulen, post on Wed 09 July 2014

SELinux users might be facing failures when emerge is merging a package to the file system, with an error that looks like so:

>>> Setting SELinux security labels
/usr/lib64/portage/bin/misc-functions.sh: line 1112: 23719 Segmentation fault      /usr/sbin/setfiles "${file_contexts_path}" -r "${D}" "${D}"
 * ERROR: dev-libs/libpcre-8 …

Rebuilding SELinux contexts with sefcontext_compile
by Sven Vermeulen, post on Mon 08 July 2013

A recent update of libpcre caused the binary precompiled regular expression files of SELinux to become outdated (and even blatantly wrong). The details are in bug 471718 but that doesn't help the users that are already facing the problem, nor have we found a good place to put the fix …