#7 Build failed on Mac OS X 10.5

[Anonymous]

./getopt.h:147: error: declaration of C function 'int getopt()' conflicts with
/usr/include/unistd.h:454: error: previous declaration 'int getopt(int, char* const*, const char*)' here
make[2]: *** [mailfilter.o] Error 1
make[1]: *** [all-recursive] Error 1
make: *** [all] Error 2