# diff -Naur libreoffice-3.4.5.2{,-r100}.ebuild
--- libreoffice-3.4.5.2.ebuild	2012-03-04 18:49:55.000000000 -0800
+++ libreoffice-3.4.5.2-r100.ebuild	2012-03-04 10:14:52.000000000 -0800
@@ -301,6 +301,8 @@
 	# silent miscompiles; LO/OOo adds -O2/1/0 where appropriate
 	filter-flags "-O*"
 
+	use ppc64 && append-flags -mminimal-toc
+
 	# patchset
 	if [[ -n ${PATCHSET} ]]; then
 		EPATCH_FORCE="yes" \