Linking a shared library with another shared lib in linux

Question

I am trying to build a shared library. Let us say libabc.so .It uses another .so file , say lib123.so (a lib in /usr/local/lib) .Now i am using my shared lib libabc.so in my

Answer 1

When trying to create my own shared library that uses Berkeley DB, I found that I have to put the -ldb at the end of the gcc command or else it blew up saying the symbol 'db_create' was not found. This was under Cygwin.

Specifically, this worked:

gcc -shared -o $b/$libfile nt_*.o -ldb

This did not work:

gcc -ldb -shared -o $b/$libfile nt_*.o