Index: readme.txt
===================================================================
--- readme.txt	(revision 2f9f3527124a6c0262ac096067e8ec5b069a9269)
+++ readme.txt	(revision d94a7bedc2e5316ba55f03b55cd6aa46e7a20a98)
@@ -74,5 +74,6 @@
   cd build
 
-  ../configure --prefix=/opt/sdl2
+  ../configure --prefix=/opt/sdl2 \
+    --with-sdl-prefix=/opt/sdl2 --with-freetype-prefix=/opt/sdl2
 
   make