How to create a static library with g

Question

Can someone please tell me how to create a static library from a  cpp and a  hpp file  Do I need to create the  o and the  a  I would also like to know how can I compile a static library in and use it in other  cpp code  I have header cpp  header hpp   I would like to create header a  Test the header a in test cpp  I am using g   for compiling

User · Answer

Create a  o file   g   -c header cpp   add this file to a library  creating library if necessary   ar rvs header a header o   use library   g   main cpp header a

User · Answer

Can someone please tell me how to   create a static library from a  cpp   and a  hpp file  Do I need to create   the  o and the the  a    Yes   Create the  o  as per normal    g   -c header cpp   Create the archive   ar rvs header a header o   Test   g   test cpp header a -o executable name     Note that it seems a bit pointless to make an archive with just one module in it  You could just as easily have written   g   test cpp header cpp -o executable name   Still  I ll give you the benefit of the doubt that your actual use case is a bit more complex  with more modules   Hope this helps

User · Answer

You can create a  a file using the ar utility  like so     ar crf lib libHeader a header o   lib is a directory that contains all your libraries  it is good practice to organise your code this way and separate the code and the object files  Having everything in one directory generally looks ugly  The above line creates libHeader a in the directory lib  So  in your current directory  do     mkdir lib   Then run the above ar command    When linking all libraries  you can do it like so     g   test o -L  lib -lHeader -o test     The -L flag will get g   to add the lib  directory to the path  This way  g   knows what directory to search when looking for libHeader  -llibHeader flags the specific library to link   where test o is created like so     g   -c test cpp -o test o

[c++] How to create a static library with g++?

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