+found_libmnl="no"
+if (test "${firewall_type}" = "nftables" -o \
+ "${enable_wireguard}" != "no"); then
+ PKG_CHECK_MODULES(LIBMNL, [libmnl >= 1.0.0], [found_libmnl="yes"],
+ AC_MSG_ERROR([libmnl >= 1.0.0 not found]))
+ AC_SUBST(LIBMNL_CFLAGS)
+ AC_SUBST(LIBMNL_LIBS)
+fi
+AM_CONDITIONAL(LIBMNL, test "${found_libmnl}" != "no")
+