app-text/texlive-core: Force a rebuild of all the formats after an up…

…grade.

Bugs #621312 and #621336 are caused by format mismatches between the ones built and the pdftex & co version installed.

Package-Manager: Portage-2.3.6, Repoman-2.3.2

app-text/texlive-core/texlive-core-2017-r1.ebuild → app-text/texlive-core/texlive-core-2017-r2.ebuild

@@ -340,6 +340,9 @@ src_install() {
 pkg_postinst() {
 	etexmf-update
 
+	einfo "Regenerating TeX formats"
+	fmtutil-sys --all &> /dev/null
+
 	elog
 	elog "If you have configuration files in ${EPREFIX}/etc/texmf to merge,"
 	elog "please update them and run ${EPREFIX}/usr/sbin/texmf-update."