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-rwxr-xr-xBUILD/SETUP.sh2
1 files changed, 1 insertions, 1 deletions
diff --git a/BUILD/SETUP.sh b/BUILD/SETUP.sh
index 7e6f0831423..6cf2a18404c 100755
--- a/BUILD/SETUP.sh
+++ b/BUILD/SETUP.sh
@@ -141,7 +141,7 @@ elif [ "x$warning_mode" = "xmaintainer" ]; then
debug_extra_cflags="-g3"
else
# Both C and C++ warnings
- warnings="-Wall -Wextra -Wunused -Wwrite-strings -Wno-uninitialized -Wno-strict-aliasing"
+ warnings="-Wall -Wextra -Wunused -Wwrite-strings -Wno-uninitialized -Wno-strict-aliasing -Wimplicit-fallthrough=2"
# For more warnings, uncomment the following line
# warnings="$warnings -Wshadow"