gistfile1.txt

gcc -fPIC -c clib.c -o clib.o
g++ -fPIC -c cxxlib.cc -o cxxlib.o
gcc -fPIC -shared clib.o cxxlib.o -o libtest.so

echo "g++ prog.cc -L. -ltest -o prog_cxx"
g++ prog.cc -L. -ltest -o prog_cxx

echo "gcc prog.c -L. -ltest -o prog_c"
gcc prog.c -L. -ltest -o prog_c

LD_LIBRARY_PATH=`pwd` ./prog_cxx
LD_LIBRARY_PATH=`pwd` ./prog_c