Please check whether the use of 'einstall' in this ebuild is actually needed. From a quick glance at the Makefile, it seems to have proper support for DESTDIR. Therefore, if possible please replace the call to 'einstall' with proper 'default' or 'emake DESTDIR="${D}" install'. Thanks.
Created attachment 390614 [details, diff] syck-0.55-r4.ebuild.patch Hi Michal Thanks for pointing this out. Indeed, it does work with emake. I've attached a patch with your suggestion. I'm going to revbump the ebuild for the time being.
fixed in -r5 *syck-0.55-r5 (29 Nov 2014) 29 Nov 2014; Patrice Clement <monsieurp@gentoo.org> +syck-0.55-r5.ebuild, syck-0.55-r4.ebuild: Replace einstall with emake install and revbump the ebuild. See #521434.