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-rw-r--r--configure.ac1
1 files changed, 1 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index a875e1e3e6..f7a07d382d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -442,6 +442,7 @@ if test "$gl_gcc_warnings" = yes; then
gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one
gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
gl_WARN_ADD([-Wno-format-truncation]) # Many warnings with no point
+ gl_WARN_ADD([-Wimplicit-fallthrough=2])
gl_WARN_ADD([-fdiagnostics-show-option])
fi