--- a/sys-libs/pam/pam-1.3.1-r1.ebuild	2019-07-18 19:03:18.000000000 +0300
+++ b/sys-libs/pam/pam-1.3.1-r1.ebuild	2019-07-21 03:32:36.163147354 +0300
@@ -137,7 +137,7 @@
 		sepermitlockdir="${EPREFIX}/run/sepermit"
 
 	local prefix
-	if multilib_is_native_abi; then
+	if use split-usr && multilib_is_native_abi; then
 		prefix=
 		gen_usr_ldscript -a pam pamc pam_misc
 	else