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Asked: 2026-05-25T21:05:05+00:00

I have downloaded the module Digest::SHA1 and extracted it to a directory (../Digest-SHA1-2.13/) ,

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I have downloaded the module Digest::SHA1 and extracted it to a directory (../Digest-SHA1-2.13/) , then copied all the SHA1.* files into (../Digest-SHA1-2.13/Digest)

and in the perl script, I did : use Digest::SHA1;
launching the script like this:

perl -I ../Digest-SHA1-2.13/Digest perlscriptname.pl

I get this error:

Can't locate loadable object for module Digest::SHA1 in @INC

I assume it has something to do with a shared library (*.so)?, I have no idea how to continue from here.

I can install it directly using CPAN (-MCPAN) module, as I dont have permissions on that server to do that, and can install only locally (where the application is running).
My final goal is to use Algorithm::CouponCode which is dependent on Digest::SHA1

The weird part is, that I have Digest::SHA1 installed (perl -MDigest::SHA1 -e 'print $Digest::SHA1::VERSION' shows version 2.11), still Algorithm::CouponCode (which is installed the same way I did with Digest::SHA1) complains it can find it in @INC

thanks!

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1 Answer

  1. Editorial Team

    Use this recipe for manually installing perl modules:

    tar zxf Digest-SHA1-2.13.tar.gz
cd Digest-SHA1-2.13
perl Makefile.PL
make
make test
make install

    Note that some distributions will have a Build.PL file instead of Makefile.PL. In that case use this recipe:

    tar zxf ...
cd ...
perl Build.PL
./Build
./Build test
./Build install

    (You may be able to get by with just running make install and ./Build install.)

    If you need to alter the installation dir then use:

    perl Makefile.PL INSTALL_BASE=...

    or

    perl Build.PL --install_base ...

    depending on the kind of module.

    For more info see the perldoc for ExtUtils::MakeMaker::FAQ and Module::Build

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