--- config.m4.orig  2016-01-11 10:00:55.745951515 +0100

+++ config.m4   2016-01-11 10:04:09.401276824 +0100

@@ -32,6 +32,11 @@

       break

     fi

   done

+  for i in $PHP_EXPECT/bin/expect $PHP_EXPECT/local/bin/expect ; do

+       if test -x $i ; then

+               EXPECT_VERSION=`$i -v | awk '{print $NF}'`

+       fi

+  done

   if test -n "$TCL_VERSION" ; then

     AC_MSG_RESULT($TCL_VERSION in $TCL_PREFIX)

   else

@@ -39,7 +44,7 @@

   fi

   PHP_ADD_LIBRARY_WITH_PATH(tcl$TCL_VERSION, $TCL_PREFIX/$PHP_LIBDIR, EXPECT_SHARED_LIBADD)

-  PHP_ADD_LIBRARY_WITH_PATH(expect, $LIBEXPECT_DIR/$PHP_LIBDIR, EXPECT_SHARED_LIBADD)

+  PHP_ADD_LIBRARY_WITH_PATH(expect$EXPECT_VERSION, $LIBEXPECT_DIR/$PHP_LIBDIR, EXPECT_SHARED_LIBADD)

   PHP_ADD_INCLUDE($LIBEXPECT_INCLUDE_DIR)

   PHP_NEW_EXTENSION(expect, expect.c expect_fopen_wrapper.c, $ext_shared)

​