19331933

Linking .so Shared Object File with Relative Path in GCC (G++)

June 25, 2022•59 words

These options must be together for finding the .so files:

  • -Wl,-rpath,RELATIVE_PATH_FROM_DOT
  • -LRELATIVE_PATH_FROM_DOT
  • -l:DSO_FILE_NAME

For example:

  • g++ -shared -o file.so file.cpp -fPIC -Wl,-rpath,. -L. -l:mylib.so
  • g++ -shared -o file.so file.cpp -fPIC -wl,-rpath,./libs -L./libs -l:mylib.so

The -Wl,-rpath and -L must be together, and the -l must come with colon
after to specify the exact file name.

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