ofproto-dpif-upcall: Expire netflow flow when revalidate_ukey failed

[cascardo/ovs.git] / INSTALL

diff --git a/INSTALL b/INSTALL
index c8b1aa7..3503151 100644 (file)
--- a/INSTALL
+++ b/INSTALL
@@ -33,6 +33,8 @@ you will need the following software:
       libssl is installed, then Open vSwitch will automatically build
       with support for it.
 
+    - Python 2.x, for x >= 4.
+
 To compile the kernel module on Linux, you must also install the
 following.  If you cannot build or install the kernel module, you may
 use the userspace-only implementation, at a cost in performance.  The
@@ -81,7 +83,7 @@ or the database schema, you will also need the following software:
 
     - Automake version 1.10 or later.
 
-    - Python 2.x, for x >= 4.
+    - libtool version 2.4 or later.  (Older versions might work too.)
 
 If you modify the ovsdbmonitor tool, then you will also need the
 following:
@@ -198,6 +200,11 @@ Prerequisites section, follow the procedure below to build.
 
       % ./configure --with-linux=/path/to/linux KARCH=mips
 
+   If you plan to do much Open vSwitch development, you might want to
+   add --enable-Werror, which adds the -Werror option to the compiler
+   command line, turning warnings into errors.  That makes it
+   impossible to miss warnings generated by the build.
+
    The configure script accepts a number of other options and honors
    additional environment variables.  For a full list, invoke
    configure with the --help option.