--- open-jtalk-1.04.orig/configure.ac
+++ open-jtalk-1.04/configure.ac
@@ -238,13 +238,13 @@
             AS_HELP_STRING([--with-hts-engine-library-path],[specify the hts_engine_API library path]),
             [hts_engine_library_path=$withval],
             [hts_engine_library_path='/usr/local/lib'])
-if test ! -f "${hts_engine_library_path}/libHTSEngine.a"; then
-   AC_MSG_ERROR(Cannot find libHTSEngine.a)
+if test ! -f "${hts_engine_library_path}/libHTSEngine.so"; then
+   AC_MSG_ERROR(Cannot find libHTSEngine.so)
 fi
-AC_MSG_CHECKING(for libHTSEngine.a)
-AC_MSG_RESULT($hts_engine_library_path/libHTSEngine.a)
+AC_MSG_CHECKING(for libHTSEngine.so)
+AC_MSG_RESULT($hts_engine_library_path/libHTSEngine.so)
 AC_SUBST(HTS_ENGINE_LIBRARY)
-HTS_ENGINE_LIBRARY=${hts_engine_library_path}/libHTSEngine.a
+HTS_ENGINE_LIBRARY=${hts_engine_library_path}/libHTSEngine.so
 
 # define HTS_ENGINE_LIBRARY_DIR
 AC_SUBST(HTS_ENGINE_LIBRARY_DIR)
