Pretty much it: >>> Preparing source in /var/tmp/portage/app-arch/p7zip-15.14/work/p7zip_15.14 ... * Cannot find $EPATCH_SOURCE! Value for $EPATCH_SOURCE is: * * /usr/portage/app-arch/p7zip/files/p7zip-15.14-CVE-2015-1038.patch * ( p7zip-15.14-CVE-2015-1038.patch )
Already fixed, thanks for reporting.