Compile with '-Wmissing-variable-declarations' if it's available

[tcpdump] / aclocal.m4

diff --git a/aclocal.m4 b/aclocal.m4
index 146901446e588d83dd327ecbe1ba8af4cefe19ab..b95e64c68a58b3a29b3c2b37784473a05ae87033 100644 (file)
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -919,6 +919,7 @@ AC_DEFUN(AC_LBL_DEVEL,
                    AC_LBL_CHECK_COMPILER_OPT($1, -Wassign-enum)
                    AC_LBL_CHECK_COMPILER_OPT($1, -Wcast-qual)
                    AC_LBL_CHECK_COMPILER_OPT($1, -Wmissing-prototypes)
+                   AC_LBL_CHECK_COMPILER_OPT($1, -Wmissing-variable-declarations)
                    AC_LBL_CHECK_COMPILER_OPT($1, -Wold-style-definition)
                    AC_LBL_CHECK_COMPILER_OPT($1, -Wpedantic)
                    AC_LBL_CHECK_COMPILER_OPT($1, -Wpointer-arith)