I think that some developers haven't noticed this, but it's useful, so
mention it.

Signed-off-by: Ben Pfaff <b...@nicira.com>
---
 INSTALL |    5 +++++
 1 file changed, 5 insertions(+)

diff --git a/INSTALL b/INSTALL
index c8b1aa7..27c0e5f 100644
--- a/INSTALL
+++ b/INSTALL
@@ -198,6 +198,11 @@ 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 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.
-- 
1.7.10.4

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