I simply install libgd-gd-2.1.1 by extrat it.
./confugure --prefix=same directory where I extarctit, make and make install
I never used these things like ldconfig. libgd.so.3 is in the libgd-gd-2.1.1/lib/libgd.so.3 as a simlink (libgd.so.3 -> libgd.so.3.0.0)
What I HAVE TO DO NOW ??