$OpenBSD: patch-js_src_configure_in,v 1.22 2013/06/26 19:29:14 landry Exp $
https://bugzilla.mozilla.org/show_bug.cgi?id=648721
--- js/src/configure.in.orig	Wed May 29 03:15:39 2013
+++ js/src/configure.in	Fri May 31 16:53:03 2013
@@ -1827,7 +1827,11 @@ ia64*-hpux*)
     ;;
 
 *-openbsd*)
-    DLL_SUFFIX=".so.1.0"
+    if test "$SO_VERSION"; then
+        DLL_SUFFIX=".so.$SO_VERSION"
+    else
+        DLL_SUFFIX=".so.1.0"
+    fi
     DSO_CFLAGS=''
     DSO_PIC_CFLAGS='-fPIC'
     DSO_LDOPTS='-shared -fPIC'
