Add -Wshadow for compilers that support it.

Signed-off-by: Justin Pettit <jpettit@ovn.org>
Acked-by: Ben Pfaff <blp@ovn.org>

diff --git a/configure.ac b/configure.ac
index 84fed062cfa378444d79d4274acb62a8ade39270..9940a1a453a046c3c3dd9afffa9cb78996f47881 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -168,6 +168,7 @@ OVS_ENABLE_OPTION([-Wbool-compare])
 OVS_ENABLE_OPTION([-Wshift-negative-value])
 OVS_ENABLE_OPTION([-Wduplicated-cond])
 OVS_ENABLE_OPTION([-Qunused-arguments])
+OVS_ENABLE_OPTION([-Wshadow])
 OVS_CONDITIONAL_CC_OPTION([-Wno-unused], [HAVE_WNO_UNUSED])
 OVS_CONDITIONAL_CC_OPTION([-Wno-unused-parameter], [HAVE_WNO_UNUSED_PARAMETER])
 OVS_ENABLE_WERROR