GAP interpreter not found
Absolut path to gap exec?  
Will use :

as default GAP interpreter
Checking if your kit is complete...
Looks good
Writing Makefile for Math::GAP
cp lib/Math/GAP.pm blib/lib/Math/GAP.pm
Manifying blib/man3/Math::GAP.3
PERL_DL_NONLAZY=1 /home/cpanrun/ia64-lp64/build/5.8.2/bin/perl "-MExtUtils::Command::MM" "-e" "test_harness(1, 'blib/lib', 'blib/arch')" t/*.t
t/Math-GAP....1..9
ok 1 - use Math::GAP;
ok 2 # skip default path for GAP interpreter () non executable
ok 3 # skip default path for GAP interpreter () non executable
ok 4 # skip default path for GAP interpreter () non executable
ok 5 # skip default path for GAP interpreter () non executable
ok 6 # skip default path for GAP interpreter () non executable
ok 7 # skip default path for GAP interpreter () non executable
ok 8 - a wrong GAP path yields a croak
not ok 9 # TODO & SKIP No yet tested
ok
        6/9 skipped: default path for GAP interpreter () non executable
All tests successful, 6 subtests skipped.
Files=1, Tests=9,  0 wallclock secs ( 0.15 cusr +  0.04 csys =  0.19 CPU)
Installing /home/cpanrun/ia64-lp64/build/5.8.2/lib/site_perl/5.8.2/Math/GAP.pm
Installing /home/cpanrun/ia64-lp64/build/5.8.2/man/man3/Math::GAP.3
Appending installation info to /home/cpanrun/ia64-lp64/build/5.8.2/lib/5.8.2/IA64.ARCHREV_0-thread-multi-LP64/perllocal.pod