+dnl Initialize libtool
+LT_PREREQ([2.2])
+LT_INIT([disable-static win32-dll])
+
+dnl libtool versioning
+
+dnl bump revision when fixing bugs
+dnl bump current and age, reset revision to zero when adding APIs
+dnl bump current, leave age, reset revision to zero when changing/removing APIS
+LIBT_CURRENT=9
+LIBT_REVISION=0
+AC_SUBST(LIBT_CURRENT)
+AC_SUBST(LIBT_REVISION)
+LIBT_AGE=8
+
+LIBT_VERSION_INFO="$LIBT_CURRENT:$LIBT_REVISION:$LIBT_AGE"
+AC_SUBST(LIBT_VERSION_INFO)
+
+LIBT_CURRENT_MINUS_AGE=`expr $LIBT_CURRENT - $LIBT_AGE`
+AC_SUBST(LIBT_CURRENT_MINUS_AGE)
+
+PKGCONFIG_REQUIRES=
+PKGCONFIG_REQUIRES_PRIVATELY=
+