Could you run the test under gdb and see if it is failing for any
reason that might be avoidable. You may need to get the test
executable out of the hidden .libs/ libtool subdirectory in interp/.
(gdb) run
Starting program: /usr/src/packages/BUILD/gsl-1.6/interpolation/.libs/test
PASS: simple bsearch
PASS: upper endpoint bsearch
PASS: lower endpoint bsearch
PASS: degenerate bsearch
PASS: out of bounds bsearch +
PASS: out of bounds bsearch -
PASS: linear interpolation
PASS: polynomial interpolation
PASS: cspline interpolation
Program received signal SIGSEGV, Segmentation fault.
0x08049be6 in akima_calc ()