diff -up libvpd-2.2.10/Makefile.am.me libvpd-2.2.10/Makefile.am
--- libvpd-2.2.10/Makefile.am.me	2025-09-23 10:19:07.836805451 +0200
+++ libvpd-2.2.10/Makefile.am	2025-09-23 10:49:26.932917705 +0200
@@ -49,6 +49,8 @@ libvpd_cxx_la_SOURCES = src/vpdretriever
 CXX_VERSION=@GENERIC_CXX_LIBRARY_VERSION@
 C_VERSION=@GENERIC_C_LIBRARY_VERSION@
 
+udevrulesdir = $(prefix)/lib/udev/rules.d
+
 pkgconfigdir = $(libdir)/pkgconfig
 pkgconfig_DATA = libvpd-2.pc libvpd_cxx-2.pc
 
@@ -65,7 +67,7 @@ libtool: $(LIBTOOL_DEPS)
 	$(SHELL) ./config.status --recheck
 
 install-exec-hook:
-	mkdir -p $(DESTDIR)/${sysconfdir}/udev/rules.d/
+	mkdir -p $(DESTDIR)/${udevrulesdir}
 	mkdir -p $(DESTDIR)/${localstatedir}/lib/lsvpd/
 	install -D --mode=644 90-vpdupdate.rules \
-                ${DESTDIR}/${sysconfdir}/udev/rules.d/90-vpdupdate.rules
+                ${DESTDIR}/${udevrulesdir}/90-vpdupdate.rules