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Re^8: Installing (lotsa) modules

by Corion (Pope)
on Jan 25, 2021 at 11:34 UTC ( #11127435=note: print w/replies, xml ) Need Help??

in reply to Re^7: Installing (lotsa) modules
in thread Installing (lotsa) modules

Well, it is possible, in theory, if you cross-compile the modules on Windows for the target Linux. But it is very unlikely, and a lot of work, compared to trying to build a Perl similar to the unidentified Linux machine in a VM.

To do that, I would run perl -V (or perl -MConfig -MData::Dumper -e 'print Dumper \%Config', or the mod_perl equivalent), to get at the configure line (config_args), and then potentially look at the integer and float sizes (ivsize, nvsize).

use 5.012; use Config; say $Config{config_args}; say $Config{nvsize}; say $Config{ivsize};

Building a Perl with parameters identical to these (or even one where the whole of matches the one on the unidentified Linux VM) is likely to yield compatible modules you can just upload.

Ideally, I will be merely

  1. Download the appropriate Perl version as tarball in your VM
  2. Unpack the tarball in your VM:
    tar xjf perl-5.32.1.tar.xz
  3. Configure Perl. Maybe you can find a leftover or in the unnamed Linux server. Otherwise start with the output of perl -MConfig -e 'print $Config{config_args}' (from the unnamed Linux machine). Try different things until you get the generated to match up with the one from tne unnamed Linux machine.
    sh Configure ...
  4. Test and install Perl:
    make test make install
  5. Compile your own, hopefully compatible modules for the remote side.

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Re^9: Installing (lotsa) modules
by Bod (Deacon) on Mar 27, 2021 at 11:26 UTC

    Perl -V


    config_args -des -Doptimize=-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexception +s -fstack-protector-strong --param=ssp-buffer-size=4 -grecord-gcc-swi +tches -m64 -mtune=generic -Dccdlflags=-Wl,--enable-new-dtags -Dlddl +flags=-shared -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions + -fstack-protector-strong --param=ssp-buffer-size=4 -grecord-gcc-swit +ches -m64 -mtune=generic -Wl,-z,relro -DDEBUGGING=-g -Dversion=5.1 +6.3 -Dmyhostname=localhost -Dperladmin=root@localhost -Dcc=gcc -Dcf_b +y=Red Hat, Inc. -Dprefix=/usr -Dvendorprefix=/usr -Dsiteprefix=/usr/l +ocal -Dsitelib=/usr/local/share/perl5 -Dsitearch=/usr/local/lib64/per +l5 -Dprivlib=/usr/share/perl5 -Dvendorlib=/usr/share/perl5/vendor_per +l -Darchlib=/usr/lib64/perl5 -Dvendorarch=/usr/lib64/perl5/vendor_per +l -Darchname=x86_64-linux-thread-multi -Dlibpth=/usr/local/lib64 /lib +64 /usr/lib64 -Duseshrplib -Dusethreads -Duseithreads -Dusedtrace=/us +r/bin/dtrace -Duselargefiles -Dd_semctl_semun -Di_db -Ui_ndbm -Di_gdb +m -Di_shadow -Di_syslog -Dman3ext=3pm -Duseperlio -Dinstallusrbinperl +=n -Ubincompat5005 -Uversiononly -Dpager=/usr/bin/less -isr -Dd_getho +stent_r_proto -Ud_endhostent_r_proto -Ud_sethostent_r_proto -Ud_endpr +otoent_r_proto -Ud_setprotoent_r_proto -Ud_endservent_r_proto -Ud_set +servent_r_proto -Dscriptdir=/usr/bin -Dusesitecustomize nvsize = 8 ivsize = 8

      Cool - so now you should be able to build a (Linux) Perl that is identically configured as your target Perl. Then you can use your local Perl to compile modules for your remote Perl, as I described in my original reply.

        Cool - so now you should be able to build a (Linux) Perl that is identically configured as your target Perl.

        It seems you have more faith in my abilities than I do!!!

        As haukex suggested over here - Re^5: Installing PadWalker - I will start a new thread node once I have gathered together the various bits of information into one place. Then I shall be giving it a go. Although I reckon the time has definitely arrived to get a VPS, building a Linux Perl that is configured in a specific way must be a good learning experience.

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