Runtime version dependency for Tornado is 4.2 or higher.

svn path=/branches/tk705/; revision=6348

configure

@@ -4700,6 +4700,17 @@ if $PYTHON -c 'import tornado' 2>/dev/null; then have_tornado=yes; else have_tor
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $have_tornado" >&5
 $as_echo "$have_tornado" >&6; }
 
+if test $have_tornado = yes
+then
+	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for Tornado 4.2 or higher" >&5
+$as_echo_n "checking for Tornado 4.2 or higher... " >&6; }
+	have_acceptable_tornado=`$PYTHON -c "import tornado; print 'no' if tornado.version_info < (4, 2) else 'yes'"`
+	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $have_acceptable_tornado" >&5
+$as_echo "$have_acceptable_tornado" >&6; }
+else
+	have_acceptable_tornado=no
+fi
+
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for Django" >&5
 $as_echo_n "checking for Django... " >&6; }
 if $PYTHON -c 'import django' 2>/dev/null; then have_django=yes; else have_django=no; fi
@@ -4795,11 +4806,11 @@ then
 $as_echo "$as_me: WARNING: The RPKI tools require the Python argparse module." >&2;}
 fi
 
-if test $have_tornado = no
+if test $have_acceptable_tornado = no
 then
 	runtime_ok=no
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: The RPKI tools require the Python Tornado package." >&5
-$as_echo "$as_me: WARNING: The RPKI tools require the Python Tornado package." >&2;}
+	{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: The RPKI tools require Tornado 4.2 or higher." >&5
+$as_echo "$as_me: WARNING: The RPKI tools require Tornado 4.2 or higher." >&2;}
 fi
 
 if test $build_ca_tools = yes

configure.ac

@@ -435,6 +435,15 @@ AC_MSG_CHECKING([for Tornado])
 if $PYTHON -c 'import tornado' 2>/dev/null; then have_tornado=yes; else have_tornado=no; fi
 AC_MSG_RESULT([$have_tornado])
 
+if test $have_tornado = yes
+then
+	AC_MSG_CHECKING([for Tornado 4.2 or higher])
+	have_acceptable_tornado=`$PYTHON -c "import tornado; print 'no' if tornado.version_info < (4, 2) else 'yes'"`
+	AC_MSG_RESULT([$have_acceptable_tornado])
+else
+	have_acceptable_tornado=no
+fi
+
 AC_MSG_CHECKING([for Django])
 if $PYTHON -c 'import django' 2>/dev/null; then have_django=yes; else have_django=no; fi
 AC_MSG_RESULT([$have_django])
@@ -513,10 +522,10 @@ then
 	AC_MSG_WARN([The RPKI tools require the Python argparse module.])
 fi
 
-if test $have_tornado = no
+if test $have_acceptable_tornado = no
 then
 	runtime_ok=no
-	AC_MSG_WARN([The RPKI tools require the Python Tornado package.])
+	AC_MSG_WARN([The RPKI tools require Tornado 4.2 or higher.])
 fi
 
 if test $build_ca_tools = yes