When compiling mod_auth_gssapi.c, got warning: ./config.h:50:1: warning: "PACKAGE_BUGREPORT" redefined

Hiya,

I'm currently testing mod_auth_gssapi (for Apache) and when I 'make' it, I get the following message several times:

In file included from spnegokrb5/spnegokrb5.h:8,
                 from mod_auth_gssapi.h:50,
                 from mod_auth_gssapi.c:32:
./config.h:50:1: warning: "PACKAGE_BUGREPORT" redefined
In file included from /usr/include/httpd/ap_config.h:234,
                 from /usr/include/httpd/httpd.h:43,
                 from mod_auth_gssapi.h:35,
                 from mod_auth_gssapi.c:32:
/usr/include/httpd/ap_config_auto.h:198:1: warning: this is the location of the previous definition

If it is included in the Apache includes, why are we redefining it? Or could we tweak autoconf in such a way that only if the define does not exist, it should be defined in config.h?