Compilers: Principles and Practice by Pearson

222 Compilers – Principles and Practice

gcc -o foo -L. -lmylib foo.o

The -L. option tells gcc to look in the current directory in addition to the other library directories

for finding libmylib.a. You can easily integrate this into your Makefile, including even the static

library setup part.

Creating Libraries: Shared Library

Creating shared or dynamic libraries is also quite simple. First, while creating the object files, you

should use Position Independent Code option:

gcc -fPIC -c objf1.c

gcc -fPIC -c objf2.c

gcc -fPIC -c objf3.c

gcc -shared -o libmylib.so objf1.o objf2.o objf3.o

The -fPIC option commands the compiler to create a Position Independent ...