In file included from /home/satwantrana/codes/xapian-clustering/xapian/xapian-core/api/omdocument.cc:31:0:
/home/satwantrana/codes/xapian-clustering/xapian/xapian-core/common/serialise.h: In function ‘std::string encode_length(T)’:
/home/satwantrana/codes/xapian-clustering/xapian/xapian-core/common/serialise.h:57:20: error: declaration of ‘byte’ shadows a global declaration [-Werror=shadow]
      unsigned char byte = static_cast<unsigned char>(len & 0x7f);
                    ^
In file included from /home/satwantrana/codes/xapian-clustering/xapian/xapian-core/common/database.h:29:0,
                 from /home/satwantrana/codes/xapian-clustering/xapian/xapian-core/common/document.h:29,
                 from /home/satwantrana/codes/xapian-clustering/xapian/xapian-core/api/omdocument.cc:28:
/home/satwantrana/codes/xapian-clustering/xapian/xapian-core/common/internaltypes.h:26:23: error: shadowed declaration is here [-Werror=shadow]
 typedef unsigned char byte;
                       ^
/home/satwantrana/codes/xapian-clustering/xapian/xapian-core/api/omdocument.cc: In member function ‘void Xapian::Document::add_value(Xapian::valueno, const string&)’:
/home/satwantrana/codes/xapian-clustering/xapian/xapian-core/api/omdocument.cc:99:65: error: declaration of ‘valueno’ shadows a global declaration [-Werror=shadow]
 Document::add_value(Xapian::valueno valueno, const string &value)
                                                                 ^
In file included from /home/satwantrana/codes/xapian-clustering/xapian/xapian-core/include/xapian/document.h:31:0,
                 from /home/satwantrana/codes/xapian-clustering/xapian/xapian-core/api/omdocument.cc:26:
/home/satwantrana/codes/xapian-clustering/xapian/xapian-core/include/xapian/types.h:92:18: error: shadowed declaration is here [-Werror=shadow]
 typedef unsigned valueno;
                  ^
/home/satwantrana/codes/xapian-clustering/xapian/xapian-core/api/omdocument.cc: In member function ‘void Xapian::Document::remove_value(Xapian::valueno)’:
/home/satwantrana/codes/xapian-clustering/xapian/xapian-core/api/omdocument.cc:106:47: error: declaration of ‘valueno’ shadows a global declaration [-Werror=shadow]
 Document::remove_value(Xapian::valueno valueno)
                                               ^
In file included from /home/satwantrana/codes/xapian-clustering/xapian/xapian-core/include/xapian/document.h:31:0,
                 from /home/satwantrana/codes/xapian-clustering/xapian/xapian-core/api/omdocument.cc:26:
/home/satwantrana/codes/xapian-clustering/xapian/xapian-core/include/xapian/types.h:92:18: error: shadowed declaration is here [-Werror=shadow]
 typedef unsigned valueno;
                  ^
cc1plus: all warnings being treated as errors
make[3]: *** [api/omdocument.lo] Error 1
make[3]: Leaving directory `/home/satwantrana/codes/xapian-clustering/xapian/build/xapian-core'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/home/satwantrana/codes/xapian-clustering/xapian/build/xapian-core'
make[1]: *** [all] Error 2
make[1]: Leaving directory `/home/satwantrana/codes/xapian-clustering/xapian/build/xapian-core'
make: *** [all] Error 2