$ make
g++ -Wall -O2 -fPIC  -I/usr/include/libxml2 -MMD -MP -MT LineageInfo.o -o LineageInfo.o -c LineageInfo.cpp                                                            
g++ -Wall -O2 -fPIC  -I/usr/include/libxml2 -MMD -MP -MT main.o -o main.o -c main.cpp                                                                                 
g++ -Wall -O2 -fPIC  -I/usr/include/libxml2 -MMD -MP -MT QvdField.o -o QvdField.o -c QvdField.cpp                                                                    
g++ -Wall -O2 -fPIC  -I/usr/include/libxml2 -MMD -MP -MT QvdFile.o -o QvdFile.o -c QvdFile.cpp                                                                        
QvdFile.cpp: In member function ‘bool QvdFile::Load(const char*)’:
QvdFile.cpp:83:12: warning: unused variable ‘len’ [-Wunused-variable]
   83 |     size_t len = readBytes();
      |            ^~~
g++ -Wall -O2 -fPIC  -I/usr/include/libxml2 -MMD -MP -MT QvdTableHeader.o -o QvdTableHeader.o -c QvdTableHeader.cpp                                                   
g++ -Wall -O2 -fPIC  -I/usr/include/libxml2 -MMD -MP -MT utils/conversions.o -o utils/conversions.o -c utils/conversions.cpp                                          
g++ -Wall -O2 -fPIC  -I/usr/include/libxml2 -MMD -MP -MT utils/dumphex.o -o utils/dumphex.o -c utils/dumphex.cpp                                                      
g++ -Wall -O2 -fPIC  -o qvdreader LineageInfo.o main.o QvdField.o QvdFile.o QvdTableHeader.o utils/conversions.o utils/dumphex.o -lxml2                               
g++ -shared -Wl,-soname,libqvdreader.so LineageInfo.o main.o QvdField.o QvdFile.o QvdTableHeader.o utils/conversions.o utils/dumphex.o -o libqvdreader.so  -lxml2