[gary@TehachapiMtn ~]$ pacman -Q perl perl 5.36.0-1 [gary@TehachapiMtn ~]$ pacman -Q autoconf autoconf 2.71-1 [gary@TehachapiMtn ~]$ pacman -Q aclocal error: package 'aclocal' was not found [gary@TehachapiMtn ~]$ aclocal --version aclocal (GNU automake) 1.16.5 Copyright (C) 2021 Free Software Foundation, Inc. License GPLv2+: GNU GPL version 2 or later This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Written by Tom Tromey and Alexandre Duret-Lutz . [gary@TehachapiMtn ~]$ perl --version This is perl 5, version 36, subversion 0 (v5.36.0) built for x86_64-linux-thread-multi Copyright 1987-2022, Larry Wall Perl may be copied only under the terms of either the Artistic License or the GNU General Public License, which may be found in the Perl 5 source kit. Complete documentation for Perl, including FAQ lists, should be found on this system using "man perl" or "perldoc perl". If you have access to the Internet, point your browser at https://www.perl.org/, the Perl Home Page. [gary@TehachapiMtn ~]$ env|grep perl PERL5LIB=/home/gary/perl5/lib/perl5 PERL_MB_OPT=--install_base "/home/gary/perl5" PERL_MM_OPT=INSTALL_BASE=/home/gary/perl5 PERL_LOCAL_LIB_ROOT=/home/gary/perl5 PATH=/home/gary/perl5/bin:/usr/local/sbin:/usr/local/bin:/usr/bin:/opt/cuda/bin:/opt/cuda/nsight_compute:/opt/cuda/nsight_systems/bin:/usr/lib/jvm/default/bin:/usr/bin/site_perl:/usr/bin/vendor_perl:/usr/bin/core_perl [gary@TehachapiMtn ~]$ automake --version Can't load '/home/gary/perl5/lib/perl5/x86_64-linux-thread-multi/auto/List/Util/Util.so' for module List::Util: /home/gary/perl5/lib/perl5/x86_64-linux-thread-multi/auto/List/Util/Util.so: undefined symbol: Perl_newSV_type at /usr/share/perl5/core_perl/XSLoader.pm line 94. at /home/gary/perl5/lib/perl5/x86_64-linux-thread-multi/List/Util.pm line 24. Compilation failed in require at /home/gary/perl5/lib/perl5/x86_64-linux-thread-multi/Scalar/Util.pm line 23. Compilation failed in require at /usr/lib/perl5/5.36/core_perl/threads/shared.pm line 9. BEGIN failed--compilation aborted at /usr/lib/perl5/5.36/core_perl/threads/shared.pm line 9. Compilation failed in require at /usr/share/perl5/core_perl/Thread/Queue.pm line 9. BEGIN failed--compilation aborted at /usr/share/perl5/core_perl/Thread/Queue.pm line 9. Compilation failed in require at /usr/bin/automake line 55. BEGIN failed--compilation aborted at /usr/bin/automake line 58. [gary@TehachapiMtn ~]$