Failure to compile if memcached is not detected.

[guozhen zhang]

The error message is liked this:

libtest/framework.cc: In member function 'void libtest::Framework::collections(collection_st*)':
libtest/framework.cc:73: warning: assuming that the loop counter does not overflow
/usr/lib/gcc/x86_64-redhat-linux6E/4.4.7/../../../../include/c++/4.4.7/bits/stl_algo.h: In destructor 'libtest::Framework::~Framework()':
/usr/lib/gcc/x86_64-redhat-linux6E/4.4.7/../../../../include/c++/4.4.7/bits/stl_algo.h:4199: warning: assuming that the loop counter does not overflow
  CXX libtest/libtest_libtest_la-killpid.lo
  CXX libtest/libtest_libtest_la-libtool.lo
  CXX libtest/libtest_libtest_la-main.lo
  CXX libtest/libtest_libtest_la-port.lo
  CXX libtest/libtest_libtest_la-result.lo
  CXX libtest/libtest_libtest_la-runner.lo
  CXX libtest/libtest_libtest_la-server.lo
  CXX libtest/libtest_libtest_la-server_container.lo
libtest/server_container.cc: In member function 'libtest::Server* libtest::server_startup_st::create(const std::string&, in_port_t, bool)':
libtest/server_container.cc:241: error: 'HAVE_MEMCACHED_BINARY' was not declared in this scope
make[1]: *** [libtest/libtest_libtest_la-server_container.lo] Error 1
make[1]: *** Waiting for unfinished jobs....
/usr/lib/gcc/x86_64-redhat-linux6E/4.4.7/../../../../include/c++/4.4.7/bits/stl_construct.h: In destructor 'libtest::Server::~Server()':
/usr/lib/gcc/x86_64-redhat-linux6E/4.4.7/../../../../include/c++/4.4.7/bits/stl_construct.h:92: warning: assuming that the loop counter does not overflow
make[1]: Leaving directory `/opt/apps_install/libmemcached-1.0.17'
make: *** [all] Error 2
[root@bx_2_25 libmemcached-1.0.17]

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but I haved successfully compiled with 1.0.14