https://bugs.gentoo.org/830099
--- a/Makefile.am
+++ b/Makefile.am
@@ -6,11 +6,8 @@
 ##
 
 AUTOMAKE_OPTIONS = dist-bzip2 1.5 foreign
-DIST_SUBDIRS	= compat lib libltdl scripts icons errors contrib doc src test-suite tools
+DIST_SUBDIRS	= compat lib scripts icons errors contrib doc src test-suite tools
 SUBDIRS		= compat lib
-if ENABLE_LOADABLE_MODULES
-SUBDIRS += libltdl
-endif
 SUBDIRS += scripts icons errors doc src tools test-suite
 
 DISTCLEANFILES = include/stamp-h include/stamp-h[0-9]*