There is no good reason to use different names for static and shared
libraries

$OpenBSD: patch-source_icudefs_mk_in,v 1.5 2010/04/05 21:40:24 landry Exp $
--- source/icudefs.mk.in.orig	Fri Apr  2 18:09:15 2010
+++ source/icudefs.mk.in	Fri Apr  2 18:10:15 2010
@@ -193,7 +193,7 @@ STATIC_PREFIX_WHEN_USED = 
 endif
 
 # Static library prefix and file extension
-STATIC_PREFIX = s
+STATIC_PREFIX =
 LIBSICU = $(LIBPREFIX)$(STATIC_PREFIX)$(ICUPREFIX)
 A = a
 SOBJ = $(SO)