c++ - Understanding names of shared library in linux -


I have read the Linux documentation project and I still do not understand that soname and < Code> real name .

I have three files: main.cpp , header.h and test.cpp . I wrote the following Makefile: 

  bin: main.o test.so g ++ -o bin main.o -ltest -Wl, -rpath / usr / local / lib main.o: Main CPP G ++ CCD CPP test. Type: test.og ++ -shared -o libtest.so test.o test.o: test.cpp g ++ -fPIC -c test.cpp clear: rm -f * .o * .so * bin   
 I have run this make file, I have copied libtest.so in  / usr / local / lib  and it Okay. But I do not understand what is  sonam  and  real name  in my case?  
 To recreate this makefile:  
  Bin: Main Test.so G ++ -O bin Main.O-El-Altest -Wl, -rpath Main. O: Main CPP G ++ - C Main CPP Test. Association: test.o G ++ -share-WL, Sonam, -Listest SO-1-O LIBSTEST.So.1.0.1 Test. O Test. O: Clear test.cpp g ++ -fPIC -c test.cpp: rm -f * .o * .so * bin   
 but it does not work. The reason for the following error was:  
  / usr / bin / ld: can not be found -ltest collect2: error: ld 1 exit status    
 
 
 
 but it does not work. The reason for the following error was: / usr / bin / ld: can not be found - ltest   
 It seems that you use the wrong option  
 1) - The Rape Runtime Library is for the search path. All-Roth arguments are added and add runtime linker ld.so See  man ld.so .  
 2) For L -  ld  linking to your program or shared library (it is from  man ld : All-L option is all- L option apply)  
 Where to find the lynch (  ld  libraries -  ld.so  is used when you Start your program,  ld  when you link it):  
  G ++ -O bin main.o -l -ltest -wl, -rpath / usr / local / lib

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