Errors Encountered while installing caffe

[msee...@itu.edu.pk]

Kindly tell me how to resolve these errors.

PROTOC src/caffe/proto/caffe.proto

CXX .build_release/src/caffe/proto/caffe.pb.cc
In file included from /usr/include/c++/5/mutex:35:0,
                 from /usr/local/include/google/protobuf/stubs/mutex.h:33,
                 from /usr/local/include/google/protobuf/stubs/common.h:52,
                 from .build_release/src/caffe/proto/caffe.pb.h:9,
                 from .build_release/src/caffe/proto/caffe.pb.cc:4:
/usr/include/c++/5/bits/c++0x_warning.h:32:2: error: #error This file requires compiler and library support for the ISO C++ 2011 standard. This support must be enabled with the -std=c++11 or -std=gnu++11 compiler options.
 #error This file requires compiler and library support \
  ^
In file included from .build_release/src/caffe/proto/caffe.pb.cc:4:0:
.build_release/src/caffe/proto/caffe.pb.h:17:2: error: #error This file was generated by an older version of protoc which is
 #error This file was generated by an older version of protoc which is
  ^
.build_release/src/caffe/proto/caffe.pb.h:18:2: error: #error incompatible with your Protocol Buffer headers. Please
 #error incompatible with your Protocol Buffer headers.  Please
  ^
.build_release/src/caffe/proto/caffe.pb.h:19:2: error: #error regenerate this file with a newer version of protoc.
 #error regenerate this file with a newer version of protoc.
  ^
In file included from /usr/local/include/google/protobuf/stubs/common.h:51:0,
                 from .build_release/src/caffe/proto/caffe.pb.h:9,
                 from .build_release/src/caffe/proto/caffe.pb.cc:4:
/usr/local/include/google/protobuf/stubs/logging.h: In function ‘T* google::protobuf::internal::CheckNotNull(const char*, int, const char*, T*)’:
/usr/local/include/google/protobuf/stubs/logging.h:165:14: error: ‘nullptr’ was not declared in this scope
   if (val == nullptr) {
              ^
In file included from /usr/local/include/google/protobuf/stubs/common.h:52:0,
                 from .build_release/src/caffe/proto/caffe.pb.h:9,
                 from .build_release/src/caffe/proto/caffe.pb.cc:4:
/usr/local/include/google/protobuf/stubs/mutex.h: At global scope:
/usr/local/include/google/protobuf/stubs/mutex.h:70:8: error: ‘mutex’ in namespace ‘std’ does not name a type
   std::mutex mu_;
        ^
/usr/local/include/google/protobuf/stubs/mutex.h: In member function ‘void google::protobuf::internal::WrappedMutex::Lock()’:
/usr/local/include/google/protobuf/stubs/mutex.h:63:43: error: ‘mu_’ was not declared in this scope
   void Lock() GOOGLE_PROTOBUF_ACQUIRE() { mu_.lock(); }
                                           ^
/usr/local/include/google/protobuf/stubs/mutex.h: In member function ‘void google::protobuf::internal::WrappedMutex::Unlock()’:
/usr/local/include/google/protobuf/stubs/mutex.h:64:45: error: ‘mu_’ was not declared in this scope
   void Unlock() GOOGLE_PROTOBUF_RELEASE() { mu_.unlock(); }
                                             ^
/usr/local/include/google/protobuf/stubs/mutex.h: At global scope:
/usr/local/include/google/protobuf/stubs/mutex.h:73:7: error: expected nested-name-specifier before ‘Mutex’
 using Mutex = WrappedMutex;
       ^
/usr/local/include/google/protobuf/stubs/mutex.h:78:28: error: expected ‘)’ before ‘*’ token
   explicit MutexLock(Mutex *mu) : mu_(mu) { this->mu_->Lock(); }
                            ^
/usr/local/include/google/protobuf/stubs/mutex.h:81:3: error: ‘Mutex’ does not name a type
   Mutex *const mu_;
   ^
/usr/local/include/google/protobuf/stubs/mutex.h: In destructor ‘google::protobuf::internal::MutexLock::~MutexLock()’:
/usr/local/include/google/protobuf/stubs/mutex.h:79:24: error: ‘class google::protobuf::internal::MutexLock’ has no member named ‘mu_’
   ~MutexLock() { this->mu_->Unlock(); }
                        ^
/usr/local/include/google/protobuf/stubs/mutex.h: At global scope:
/usr/local/include/google/protobuf/stubs/mutex.h:92:33: error: expected ‘)’ before ‘*’ token
   explicit MutexLockMaybe(Mutex *mu) :
                                 ^
In file included from /usr/local/include/google/protobuf/arena.h:48:0,
                 from .build_release/src/caffe/proto/caffe.pb.h:23,
                 from .build_release/src/caffe/proto/caffe.pb.cc:4:
/usr/include/c++/5/typeinfo:39:37: error: expected ‘}’ before end of line
/usr/include/c++/5/typeinfo:39:37: error: expected unqualified-id before end of line
/usr/include/c++/5/typeinfo:39:37: error: expected ‘}’ before end of line
/usr/include/c++/5/typeinfo:39:37: error: expected ‘}’ before end of line
/usr/include/c++/5/typeinfo:39:37: error: expected ‘}’ before end of line
/usr/include/c++/5/typeinfo:39:37: error: expected declaration before end of line
Makefile:598: recipe for target '.build_release/src/caffe/proto/caffe.pb.o' failed
make: *** [.build_release/src/caffe/proto/caffe.pb.o] Error 1

[Przemek D]

You seem to have the protobuf compiler version issues. Please read the answers the community has given to a similar issue, #5645, and if none of the solutions work, come back here with more details on the problem (environment, results of all the attempts you made etc.)