cmake HAVE_MONGOC_URI_SET_OPTION_AS_INT32 examples

syslog-ng/syslog-ng modules/afmongodb/CMakeLists.txt :56 

check_c_source_compiles("
#include ${MONGOC_HEADER}
#include <bson/bson.h>
int main() {
    (void) mongoc_uri_set_option_as_int32;
    return 0;
}" HAVE_MONGOC_URI_SET_OPTION_AS_INT32)

syslog-ng/syslog-ng modules/afmongodb/CMakeLists.txt :71 

add_compile_definitions(HAVE_MONGOC_URI_SET_OPTION_AS_INT32=1)