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Math::Gsl

by Commander Salamander (Acolyte)
on Jun 14, 2005 at 21:47 UTC ( #466720=note: print w/replies, xml ) Need Help??


in reply to Re: Fastest way to calculate hypergeometric distribution probabilities (i.e. BIG factorials)?
in thread Fastest way to calculate hypergeometric distribution probabilities (i.e. BIG factorials)?

Hi again

I'm having serious trouble installing Math::Gsl through CPAN. If this isn't too far afield for this board, I'd really appreciate your thoughts on where I went astray. Before I get into those error messages, I'd like to provide some details on how I installed gsl itself (I am rather ignorant about compiling programs and I may have messed up at this stage).

I installed gsl-1.4 in my user directory (while logged in as root) of a machine running Fedora Core 3 by blindly following the instructions in the install file and executing the following commands:

1 gzip -d < gsl-1.4.tar.gz | tar xf -
2 ./configure ### the readout here was essentially gibberish to me... it took quite some time
3 make
4 make check < log2<&1 ### I checked the log file, and all tests appeared to PASS
5 make install
As far as I know... this worked, but I don't know how to explicitly test this.

Upon entering CPAN and attempting an install of Math-Gsl-0.8, I encounter the following errors during the make test:

1 t/1....Can't load '/root/.cpan/build/Math-Gsl-0.08/blib/arch/auto/Math/Gsl/Gsl.so' for module Math::Gsl: l ibgsl.so.0: cannot open shared object file: No such file or directory at /usr/lib/perl5/5.8.5/i386-linux-t hread-multi/DynaLoader.pm line 230. at t/1.t line 7 Compilation failed in require at t/1.t line 7.

2 t/2....Can't load '/root/.cpan/build/Math-Gsl-0.08/blib/arch/auto/Math/Gsl/Polynomial/Polynomial.so' for m odule Math::Gsl::Polynomial: libgsl.so.0: cannot open shared object file: No such file or directory at /us r/lib/perl5/5.8.5/i386-linux-thread-multi/DynaLoader.pm line 230. at t/2.t line 3 Compilation failed in require at t/2.t line 3.

3 Failed Test Stat Wstat Total Fail Failed List of Failed
---------------------------------------------------------------------
t/1.t 255 65280 10 20 200.00% 1-10
t/2.t 255 65280 21 42 200.00% 1-21
Failed 2/2 test scripts, 0.00% okay. 31/31 subtests failed, 0.00% okay.
make: *** test_dynamic Error 255
/usr/bin/make test -- NOT OK


I'm guessing that the installation is unable to access Gsl, but I have no idea how to remedy the problem. Any suggestions would be much appreciated.
Thanks!

Replies are listed 'Best First'.
Re: Math::Gsl
by Fletch (Chancellor) on Jun 15, 2005 at 00:03 UTC

    First thing to check is did perl Makefile.PL complain about a missing library? Going by the paths this is some flavour of Linux, so the next steps to check are:

    • Presuming the usual defaults for something using autoconf, gsl probably installed itself under /usr/local; check that /usr/local/lib contains a libgsl.so.0
    • Try explicitly setting export LD_LIBRARY_PATH=/usr/local/lib in your shell and then see if the tests run
    • If that works, check that /usr/local is in /etc/ld.so.conf and rerun ldconfig -v and that should pick up the new library (even if it is, if you haven't regenerated the cache ld.so could miss the new library)

    If that doesn't get you going, you're at the point where you need to bring in your friendly neighborhood sysadmin and bribe him with some combination of pizza|skittles|beer.

    --
    We're looking for people in ATL

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