--- configure.orig	2020-09-16 13:48:23 +0000
+++ configure	2020-09-16 13:50:32 +0000
@@ -9336,7 +9336,7 @@
 LIBS_SYSTEM=
 case "$opsys" in
   ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
-  aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
+  aix4-2) LIBS_SYSTEM="-lrts -lIM" ;;
 
   freebsd|dragonfly) LIBS_SYSTEM="-lutil" ;;