#!/bin/bash

# The following might have to be changed
cd /opt/gsl-1.99.90/doc/examples

#

# Verbose record of compiler in interp2d.lst
gcc -v -g -Wall -o interp2d interp2d.c -lgsl -lgslcblas -lm  &>interp2d.lst
#
# You will notice that everything looks okay, to me, in interp2d_locate.lst
locate interp2d.a &> interp2d_locate.lst
# Manually examing my interp2d_locate.lst and checking
ls -ldt /usr/lib/libgsl.a
# Response
-rw-r--r-- 1 root root 4668446 Dec 12  2013 /usr/lib/libgsl.a
ls -ldt /usr/local/lib/libgsl.a
# Response
-rw-r--r-- 1 root root 17889314 Oct 31 17:44 /usr/local/lib/libgsl.a
# and 
gcc  -g -Wall -o interp2d interp2d.c /usr/local/lib/libgsl.a -lgslcblas -lm
# works.
# ldconfig check  : it doesn't work against xx.a  files though
ldconfig -p |egrep libgsl