This patch was developed in-house.  We have not yet decided whether to offer
it upstream or not.

--- Python-3.4.1/configure.ac.~4~	2014-08-19 14:56:06.370409509 -0700
+++ Python-3.4.1/configure.ac	2014-08-19 14:56:45.423571774 -0700
@@ -4129,7 +4129,7 @@
 
 AC_SUBST(EXT_SUFFIX)
 case $ac_sys_system in
-    Linux*|GNU*)
+    Linux*|GNU*|SunOS)
 	EXT_SUFFIX=.${SOABI}${SHLIB_SUFFIX};;
     *)
 	EXT_SUFFIX=${SHLIB_SUFFIX};;