Module::Install has the can_cc function you can use in your Makefile.PL

use inc::Module::Install;

if ( can_cc() ) {
  # do XS stuff
}
else {
  # do pure-perl stuff
}

# rest of Makefile.PL

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In reply to Re: How to best detect availability of C compiler in Makefile.PL? by bingos
in thread How to best detect availability of C compiler in Makefile.PL? by stbey

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