The Agony of GMP

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Dennis Putnam - 19 Dec 2007 14:32 GMT

I am trying to install Net::SFTP and it has been a major trial of
patience. I finally get it working on one of my servers and now am
trying to get it on another. Unfortunately I have run into a brick
wall on the 2nd server (both are running 10.4.10) with no clue why
they are different. The crux of the problem is that I cannot install
Math::BigInt::GMP on this server. It appears there is a problem with
the installer but yet this did not happen on the other server.

They key on the other server was to install GMP using macports 'port'
command. I did the same on this server and all seemed to go well
until I tried to install BigInt. I am getting the following:

Running make for C/CH/CHIPT/Math-GMP-2.04.tar.gz
Has already been unwrapped into directory /Users/admin/.cpan/build/
Math-GMP-2.04-nSlAjY
Has already been made
Running make test
PERL_DL_NONLAZY=1 /usr/bin/perl "-MExtUtils::Command::MM" "-e"
"test_harness(0, 'blib/lib', 'blib/arch')" t/*.t
t/gmppm......Can't load '/Users/admin/.cpan/build/Math-GMP-2.04-
nSlAjY/blib/arch/auto/Math/GMP/GMP.bundle' for module Math::GMP:
dlopen(/Users/admin/.cpan/build/Math-GMP-2.04-nSlAjY/blib/arch/auto/
Math/GMP/GMP.bundle, 2): Symbol not found: ___gmpz_mul_2exp
Referenced from: /Users/admin/.cpan/build/Math-GMP-2.04-nSlAjY/
blib/arch/auto/Math/GMP/GMP.bundle
Expected in: dynamic lookup
at t/gmppm.t line 7
Compilation failed in require at t/gmppm.t line 7.
BEGIN failed--compilation aborted at t/gmppm.t line 7.
t/gmppm...... Dubious, test returned 255 (wstat 65280, 0xff00)
No subtests run

Can someone help me out with this? TIA.

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Dan Kogai - 19 Dec 2007 14:40 GMT

Dennis & those who suffer the same prob,

If you are on Intel Macs, try recompiling & reinstalling GMP as follows:

tar jxvf gmp-4.2.1.tar.bz2
cd gmp-4.2.1/mpn/x86
rm *dive_1* */*dive_1* */*/*dive_1* */*mode1o* */*/*mode1o*
cd ../..
sh configure --build=i686-apple-darwin --enable-cxx
make
make check
sudo make install

I also blogged this issue as follows (it's in Japanese, though)

http://blog.livedoor.jp/dankogai/archives/50712932.html

Hope it helps.

Dan the Frequent User of BigNum

> I am trying to install Net::SFTP and it has been a major trial of
> patience. I finally get it working on one of my servers and now am
[quoted text clipped - 30 lines]
>
> Can someone help me out with this? TIA.

Reply to this Message

Dennis Putnam - 19 Dec 2007 15:18 GMT

Thanks but no, this is a PPC (G5) Xserve. I can't read Japanese.

What really bothers me is that my other server (PPC (G4)) did not
have this problem. Why the difference? Surely the processor doesn't
matter and its older anyway.

On Dec 19, 2007, at 9:40 AM, Dan Kogai wrote:

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Mac Forum / Programming / Perl / December 2007

The Agony of GMP