From 93038bcf712d36e178b6d1915984dc142712580a Mon Sep 17 00:00:00 2001
From: Colin Walters <walters@verbum.org>
Date: Wed, 13 Sep 2017 11:18:04 -0400
Subject: [PATCH] build-sys: Add -Werror=switch

We use the "exhaustive enum" pattern (i.e. no `default:`) in some places so
we're forced to touch all users when adding cases.

Closes: #1167
Approved by: peterbaouoft
---
 configure.ac | 1 +
 1 file changed, 1 insertion(+)

diff --git a/configure.ac b/configure.ac
index 88dbc709..114264b5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -40,6 +40,7 @@ CC_CHECK_FLAGS_APPEND([WARN_CFLAGS], [CFLAGS], [\
 	-Werror=pointer-arith -Werror=init-self \
         -Werror=missing-declarations \
         -Werror=return-type \
+        -Werror=switch \
         -Werror=overflow \
         -Werror=int-conversion \
         -Werror=parenthesis \