gentoo-overlay/app-arch/wimlib/files/syslinux-path.patch

--- a/programs/mkwinpeimg	2017-07-29 13:52:09.000000000 -0700
+++ b/programs/mkwinpeimg	2018-10-22 19:14:35.170566559 -0700
@@ -488,7 +488,8 @@
 	for biosdir in				\
 		/usr/lib/syslinux/modules/bios	\
 		/usr/lib/syslinux/bios		\
-		/usr/lib/syslinux
+		/usr/lib/syslinux \
+		/usr/share/syslinux
 	do
 		if [ -e "$biosdir/chain.c32" ]; then
 			break
--- a/programs/mkwinpeimg.in	2017-07-15 13:49:06.000000000 -0700
+++ b/programs/mkwinpeimg.in	2018-10-22 19:16:59.323070604 -0700
@@ -488,7 +488,8 @@
 	for biosdir in				\
 		/usr/lib/syslinux/modules/bios	\
 		/usr/lib/syslinux/bios		\
-		/usr/lib/syslinux
+		/usr/lib/syslinux \
+		/usr/share/syslinux
 	do
 		if [ -e "$biosdir/chain.c32" ]; then
 			break