Install idlelib and idlelib/Icons as well.
diff --git a/Makefile.pre.in b/Makefile.pre.in
index f319b22..91fdbd8 100644
--- a/Makefile.pre.in
+++ b/Makefile.pre.in
@@ -644,7 +644,7 @@
PLATMACPATH=:plat-mac:plat-mac/lib-scriptpackages
LIBSUBDIRS= lib-old lib-tk site-packages test test/output test/data \
encodings email email/test email/test/data compiler hotshot \
- logging bsddb bsddb/test csv \
+ logging bsddb bsddb/test csv idlelib idlelib/Icons \
distutils distutils/command $(XMLLIBSUBDIRS) curses $(MACHDEPS)
libinstall: $(BUILDPYTHON) $(srcdir)/Lib/$(PLATDIR)
@for i in $(SCRIPTDIR) $(LIBDEST); \