packets: Fix userland implementation of set-field ipv6 addresses

[cascardo/ovs.git] / INSTALL

diff --git a/INSTALL b/INSTALL
index 4c54b59..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:
@@ -93,9 +95,8 @@ To run the unit tests, you also need:
     - Perl.  Version 5.10.1 is known to work.  Earlier versions should
       also work.
 
-If you modify the vswitchd database schema, then the E-R diagram in
-the ovs-vswitchd.conf.db(5) manpage will be updated properly only if
-you have the following:
+The ovs-vswitchd.conf.db(5) manpage will include an E-R diagram, in
+formats other than plain text, only if you have the following:
 
     - "dot" from graphviz (http://www.graphviz.org/).
 
@@ -199,6 +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.