- Python 2.x, for x >= 4.
- - patch (The utility that is used to patch files).
-
On Linux, you may choose to compile the kernel module that comes with
the Open vSwitch distribution or to use the kernel module built into
the Linux kernel (version 3.3 or later). See the [FAQ.md] question
`% ./configure CFLAGS="-g -O2 -mssse3"`
+Note that these CFLAGS are not applied when building the Linux
+kernel module. Custom CFLAGS for the kernel module are supplied
+using the EXTRA_CFLAGS variable when running make. So, for example:
+
+ `% make EXTRA_CFLAGS="-Wno-error=date-time"
+
To build the Linux kernel module, so that you can run the
kernel-based switch, pass the location of the kernel build
directory on --with-linux. For example, to build for a running