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-rw-r--r--configure.ac3
1 files changed, 3 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index c051caabc4..930d3ca459 100644
--- a/configure.ac
+++ b/configure.ac
@@ -686,6 +686,9 @@ then
fi
fi
+#Clang only
+AC_WIRESHARK_COMPILER_FLAGS_CHECK(-Wc99-extensions, C)
+
#
# Try to add some additional checks to CFLAGS.
# These are not enabled by default, because the warnings they produce