Fix configure-script errors with some versions of autoconf.

git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@54470 f5534014-38df-0310-8fa8-9805f1628bb7

diff --git a/acinclude.m4 b/acinclude.m4
index 249bc5b563f71f8460cacc3fa30be25f3704fcff..c70c871af246b9e2f3505e572e1e36f68115daa8 100644 (file)
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -1652,6 +1652,12 @@ AC_DEFUN([AC_WIRESHARK_CHECK_NON_CXX_WARNING_OPTION_ERROR],
                            # No, so this option is actually OK
                            # with our C++ compiler.
                            #
+                           # (We need an empty command here to
+                           # prevent some versions of autoconf
+                           # from generating a script with an
+                           # empty "then" clause for an if statement.)
+                           #
+                           :
                        ],
                        [
                            #