Thanks, that helps. I wasn't sure where to file this bug, because this 
is the first time I've used Rakudo.

What looks odd to me is the line

Can't find string terminator '"' anywhere before EOF at -e line 1.

which is presumably the command

shell('perl -e "use v5.18;"')

on the line you linked to in zef's Build.pm. Is shell a Perl 6 built-in? 
I can't find its definition in Rakudo's Windows build (documentation 
seems to be in site/doc/Type/IO.pod).

Indeed, if you try this line at the REPL prompt:

PS C:\rakudo> .\bin\perl6
To exit type 'exit' or '^D'
 > shell('perl -e "use v5.18;"')
Can't find string terminator '"' anywhere before EOF at -e line 1.
Proc.new(in => IO::Pipe, out => IO::Pipe, err => IO::Pipe, exitcode => 
255, signal => 0, command => ["perl -e \"use v5.18;\""])
 >

Problem isn't lack of Perl 5:

PS C:\rakudo> perl -v

This is perl 5, version 26, subversion 0 (v5.26.0) built for 
MSWin32-x64-multi-thread


Regards,
Ville

On 01/10/2017 13:53, Steve Mynott via RT wrote:
> It seems a bit unfair ("shooting the messenger") blaming zef for
> module install error messages and after all it does says "Perl 5
> version requirement not met"
>
> Looking at what triggers this error...
>
> https://github.com/niner/Inline-Perl5/blob/master/Build.pm#L6
>
> suggests you need 5.18 or better and it doesn't look this is installed.
>
> Note also the docs
>
> https://github.com/niner/Inline-Perl5/blob/master/README.md
>
> (under BUILDING) says your Perl 5 needs to be built with particular
> compile flags (-fPIC via -Duseshrplib).
>
> It's probably worth checking this is the case when you upgrade perl 5.
>
> If you have to rebuild perl5 from source you may (not sure) also have
> to rebuild perl 6 from source in order to use the same C compiler with
> both.
>
> This all *should* work on Windows (although I'd be unsurprised if
> noone has tested it recently) but it's probably easier to practice the
> steps on a common linux distro (under virtualbox or whatever) before
> trying it on that platform.
>
> Cheers Steve
>
> On 29 September 2017 at 17:06, Ville Koskinen
> <perl6-bugs-follo...@perl.org> wrote:
>> # New Ticket Created by  Ville Koskinen
>> # Please include the string:  [perl #132183]
>> # in the subject line of all future correspondence about this issue.
>> # <URL: https://rt.perl.org/Ticket/Display.html?id=132183 >
>>
>>
>> I downloaded and installed the latest Windows x64 build of Rakudo
>> (http://rakudo.org/downloads/star/rakudo-star-latest-x86_64%20(JIT).msi).
>> My operating system is Windows Server 2016.
>>
>> When I try to install Inline::Perl5 with zef, the package installation
>> fails. But no matter how high I set verbosity, all I get is a cryptic
>> error message:
>>
>> C:\Users\villek>zef --debug install Inline::Perl5
>> ===> Searching for: Inline::Perl5
>> ===> Found: Inline::Perl5:ver('0.29'):auth('github:niner') [via
>> Zef::Repository::LocalCache]
>> ===> Dependencies: LibraryMake, File::Temp
>> ===> Filtering: Inline::Perl5:ver('0.29'):auth('github:niner')
>> ===> Filtering [OK] for Inline::Perl5:ver('0.29'):auth('github:niner')
>> ===> Building: Inline::Perl5:ver('0.29'):auth('github:niner')
>> Building with plugin: Zef::Service::Shell::Build+{<anon|123227344>}
>> Command: C:\rakudo\bin\perl6.bat -Ilib -I. -MBuild -e
>> ::('Build').new.build('C:\Users\villek\.zef\store\Inline-Perl5-0.29.tar.gz\Inline-Perl5-0.29');
>> exit(0);
>> Can't find string terminator '"' anywhere before EOF at -e line 1.
>>
>> Perl 5 version requirement not met
>>
>>     in method build at
>> C:\Users\villek\.zef\store\Inline-Perl5-0.29.tar.gz\Inline-Perl5-0.29\Build.pm
>> (Build) line 6
>>     in block <unit> at -e line 1
>>
>>
>> ===> Building [FAIL]: Inline::Perl5:ver('0.29'):auth('github:niner')
>> Aborting due to build failure:
>> Inline::Perl5:ver('0.29'):auth('github:niner') (use --force-build to
>> override)
>>     in code  at
>> C:\rakudo\share\perl6\site\sources\3393EDA469A9E8925A633FF7A533AB41141495DA
>> (Zef::Client) line 329
>>     in method build at
>> C:\rakudo\share\perl6\site\sources\3393EDA469A9E8925A633FF7A533AB41141495DA
>> (Zef::Client) line 294
>>     in sub  at
>> C:\rakudo\share\perl6\site\sources\3393EDA469A9E8925A633FF7A533AB41141495DA
>> (Zef::Client) line 520
>>     in method install at
>> C:\rakudo\share\perl6\site\sources\3393EDA469A9E8925A633FF7A533AB41141495DA
>> (Zef::Client) line 631
>>     in sub MAIN at
>> C:\rakudo\share\perl6\site\sources\ED3033E8712BCF9F6DE53678B14A54705DF211A6
>> (Zef::CLI) line 152
>>     in block <unit> at
>> C:\rakudo\share\perl6\site\resources\DC5F87DA28311BE6F3A731229527E5C4A2F12716
>> line 1
>>     in sub MAIN at C:\rakudo\share\perl6\site\bin\zef line 2
>>     in block <unit> at C:\rakudo\share\perl6\site\bin\zef line 2
>>
>> This is in cmd.exe. In Powershell, the output is similar:
>>
>> PS C:\Users\villek> zef --debug install Inline::Perl5
>> ===> Searching for: Inline::Perl5
>> ===> Found: Inline::Perl5:ver('0.29'):auth('github:niner') [via
>> Zef::Repository::LocalCache]
>> ===> Dependencies: LibraryMake, File::Temp
>> ===> Filtering: Inline::Perl5:ver('0.29'):auth('github:niner')
>> ===> Filtering [OK] for Inline::Perl5:ver('0.29'):auth('github:niner')
>> ===> Building: Inline::Perl5:ver('0.29'):auth('github:niner')
>> Building with plugin: Zef::Service::Shell::Build+{<anon|123227344>}
>> Command: C:\rakudo\bin\perl6.bat -Ilib -I. -MBuild -e
>> ::('Build').new.build('C:\Users\villek\.zef\store\Inline-Perl5-0.29.tar.gz\Inline-Perl5-0.29');
>> exit(0);
>> Can't find string terminator '"' anywhere before EOF at -e line 1.
>>
>> Perl 5 version requirement not met
>>
>>     in method build at
>> C:\Users\villek\.zef\store\Inline-Perl5-0.29.tar.gz\Inline-Perl5-0.29\Build.pm
>> (Build) line 6
>>     in block <unit> at -e line 1
>>
>>
>> ===> Building [FAIL]: Inline::Perl5:ver('0.29'):auth('github:niner')
>> Aborting due to build failure:
>> Inline::Perl5:ver('0.29'):auth('github:niner') (use --force-build to
>> override)
>>     in code  at
>> C:\rakudo\share\perl6\site\sources\3393EDA469A9E8925A633FF7A533AB41141495DA
>> (Zef::Client) line 329
>>     in method build at
>> C:\rakudo\share\perl6\site\sources\3393EDA469A9E8925A633FF7A533AB41141495DA
>> (Zef::Client) line 294
>>     in sub  at
>> C:\rakudo\share\perl6\site\sources\3393EDA469A9E8925A633FF7A533AB41141495DA
>> (Zef::Client) line 520
>>     in method install at
>> C:\rakudo\share\perl6\site\sources\3393EDA469A9E8925A633FF7A533AB41141495DA
>> (Zef::Client) line 631
>>     in sub MAIN at
>> C:\rakudo\share\perl6\site\sources\ED3033E8712BCF9F6DE53678B14A54705DF211A6
>> (Zef::CLI) line 152
>>     in block <unit> at
>> C:\rakudo\share\perl6\site\resources\DC5F87DA28311BE6F3A731229527E5C4A2F12716
>> line 1
>>     in sub MAIN at C:\rakudo\share\perl6\site\bin\zef line 2
>>     in block <unit> at C:\rakudo\share\perl6\site\bin\zef line 2
>>
>> Is this a bug in zef or in perl6.bat?
>>
>> Am I expected to read through the source code on the lines mentioned in
>> the stack trace?
>>
>> It would be much more useful to see some diagnostics about which
>> compiler the Build package is trying to use (if any!), whether it has
>> failed to find it and what it is actually trying to accomplish.
>>
>> Regards,
>> Ville Koskinen
>
>

-- 
Ville Koskinen
Matrix Science
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London W1U 7GB, UK
Tel: +44 (0)20 7486 1050
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