C:\Perl\cpan\build\YAML-0.58>perl Makefile.PL Undefined subroutine &ActivePerl::Config::find_prog called at C:/Perl/site/lib/ActivePerl/Config.pm line 70. Compilation failed in require at C:/Perl/lib/ExtUtils/MakeMaker.pm line 7. BEGIN failed--compilation aborted at C:/Perl/lib/ExtUtils/MakeMaker.pm line 7. Compilation failed in require at inc/Module/Install/Can.pm - /Users/ingy/local/lib/perl5/site_perl/5.8.6/Module/Install/Can.pm line 8. BEGIN failed--compilation aborted at inc/Module/Install/Can.pm - /Users/ingy/local/lib/perl5/site_perl/5.8.6/Module/Install/Can.pm line 8. Compilation failed in require at /Users/ingy/src/ingy/YAML/inc/Module/Install.pm - /Users/ingy/local/lib/perl5/site_perl/5.8.6/Module/Install.pm line 180. Global symbol "$Verbose" requires explicit package name at C:/Perl/lib/ExtUtils/MM_Any.pm line 1267. Global symbol "$Verbose" requires explicit package name at C:/Perl/lib/ExtUtils/MM_Any.pm line 1277. Compilation failed in require at C:/Perl/lib/ExtUtils/MM_Unix.pm line 25. Compilation failed in require at inc/Module/Install/Metadata.pm - /Users/ingy/local/lib/perl5/site_perl/5.8.6/Module/Install/Metadata.pm line 197.