diff -up libica-2.3.0/configure.in.version libica-2.3.0/configure.in
--- libica-2.3.0/configure.in.version	2013-03-20 10:58:27.000000000 +0100
+++ libica-2.3.0/configure.in	2013-05-03 10:08:28.000000000 +0200
@@ -3,6 +3,9 @@
 
 AC_INIT(libica, 2.3.0, ingo.tuchscherer@linux.vnet.ibm.com)
 
+LIBICA_API=2.0
+AC_SUBST(LIBICA_API)
+
 cmdline_CFLAGS="$CFLAGS"
 
 # Compute $target
diff -up libica-2.3.0/src/Makefile.am.version libica-2.3.0/src/Makefile.am
--- libica-2.3.0/src/Makefile.am.version	2012-04-23 15:07:21.000000000 +0200
+++ libica-2.3.0/src/Makefile.am	2013-05-03 10:08:03.000000000 +0200
@@ -2,7 +2,7 @@ INCLUDES = -I ./include -I ../include
 
 lib_LTLIBRARIES = libica.la
 
-libica_la_LDFLAGS = -release $(PACKAGE_VERSION) -lrt -lcrypto
+libica_la_LDFLAGS = -release $(LIBICA_API) -lrt -lcrypto
 
 libica_la_SOURCES = icalinux.c ica_api.c init.c icastats_shared.c \
 		    s390_rsa.c s390_crypto.c s390_common.c s390_des.c \