diff -u --recursive festival-vanilla/config/project.mak festival/config/project.mak
--- festival-vanilla/config/project.mak	2017-12-25 10:05:54.000000000 -0500
+++ festival/config/project.mak	2018-08-29 21:30:11.714031729 -0400
@@ -86,9 +86,9 @@
 # Libraries used from other projects
 
 REQUIRED_LIBRARIES = estools estbase eststring
-REQUIRED_LIBRARY_DIR_estools = $(EST)/lib
-REQUIRED_LIBRARY_DIR_estbase = $(EST)/lib
-REQUIRED_LIBRARY_DIR_eststring = $(EST)/lib
+REQUIRED_LIBRARY_DIR_estools = $(LIBDIR)
+REQUIRED_LIBRARY_DIR_estbase = $(LIBDIR)
+REQUIRED_LIBRARY_DIR_eststring = $(LIBDIR)
 
 REQUIRED_MAKE_INCLUDE = $(EST)/make.include