Perlbrew on shared hosting

Bod has asked for the wisdom of the Perl Monks concerning the following question:

I am trying to upgrade from Perl v5.16.3 supplied by my shared hosting provider to Perl v5.32.0 by using Perlbrew. Perlbrew has installed fine by following the instruction \curl -L https://install.perlbrew.pl | bash from PuTTY.

Perl v5.32.0 has downloaded fine but it will not install. I run the command:

perlbrew install perl-5.32.0
[download]

and get the message

Installation process failed. To spot any issues, check

  /home/shoples1/perl5/perlbrew/build.perl-5.32.0.log
[download]

Looking at the logfile everything makes sense. It shows the questions for a guided installation with the answers to the questions already filled in. Then right at the end is this:

Use which C compiler? [cc]  
./trygcc: line 10: /usr/bin/cc: Permission denied
Uh-oh, the C compiler 'cc' doesn't seem to be working.
./trygcc: line 25: /usr/bin/gcc: Permission denied
./checkcc: line 10: /usr/bin/cc: Permission denied
Uh-oh, the C compiler 'cc' doesn't seem to be working.
You need to find a working C compiler.
Either (purchase and) install the C compiler supplied by your OS vendo
+r,
or for a free C compiler try http://gcc.gnu.org/
I cannot continue any further, aborting.
##### Brew Failed #####
[download]

I have previously installed modules from CPAN using PuTTY and SSH thanks to help from the Monastery. I know that I do not have access to install modules if I attempt it through cPanel but it has worked recently from an SSH shell.

Am I missing something obvious?

Is it possible that installing , will installing Perlbrew will upset any of the scripts already running on the server using Perl v5.16.3?

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