text: diff -Naur Module-Build-0.4224/inc/Perl/OSType.pm Module-Build-0.4224-msys/inc/Perl/OSType.pm
  --- Module-Build-0.4224/inc/Perl/OSType.pm	2017-05-30 21:03:05.000000000 +0300
  +++ Module-Build-0.4224-msys/inc/Perl/OSType.pm	2018-02-14 12:07:45.377789700 +0300
  @@ -54,6 +54,7 @@
     solaris     Unix
     sunos       Unix
     cygwin      Unix
  +  msys        Unix
     os2         Unix
     interix     Unix
     gnu         Unix
  diff -Naur Module-Build-0.4224/lib/Module/Build/Platform/msys.pm Module-Build-0.4224-msys/lib/Module/Build/Platform/msys.pm
  --- Module-Build-0.4224/lib/Module/Build/Platform/msys.pm	1970-01-01 03:00:00.000000000 +0300
  +++ Module-Build-0.4224-msys/lib/Module/Build/Platform/msys.pm	2018-02-14 12:41:13.498755300 +0300
  @@ -0,0 +1,54 @@
  +package Module::Build::Platform::msys;
  +
  +use strict;
  +use warnings;
  +our $VERSION = '0.4231';
  +$VERSION = eval $VERSION;
  +use Module::Build::Platform::Unix;
  +
  +our @ISA = qw(Module::Build::Platform::Unix);
  +
  +sub manpage_separator {
  +   '.'
  +}
  +
  +# Copied from ExtUtils::MM_Cygwin::maybe_command()
  +# If our path begins with F</cygdrive/> then we use the Windows version
  +# to determine if it may be a command.  Otherwise we use the tests
  +# from C<ExtUtils::MM_Unix>.
  +
  +sub _maybe_command {
  +    my ($self, $file) = @_;
  +
  +    if ($file =~ m{^/cygdrive/}i) {
  +        require Module::Build::Platform::Windows;
  +        return Module::Build::Platform::Windows->_maybe_command($file);
  +    }
  +
  +    return $self->SUPER::_maybe_command($file);
  +}
  +
  +1;
  +__END__
  +
  +
  +=head1 NAME
  +
  +Module::Build::Platform::msys - Builder class for MSYS2 platform
  +
  +=head1 DESCRIPTION
  +
  +This module provides some routines very specific to the msys2
  +platform.
  +
  +Please see the L<Module::Build> for the general docs.
  +
  +=head1 AUTHOR
  +
  +Initial stub by Yitzchak Scott-Thoennes <sthoenna@efn.org>
  +
  +=head1 SEE ALSO
  +
  +perl(1), Module::Build(3), ExtUtils::MakeMaker(3)
  +
  +=cut
  diff -Naur Module-Build-0.4224/META.json Module-Build-0.4224-msys/META.json
  --- Module-Build-0.4224/META.json	2018-02-14 12:41:52.972323600 +0300
  +++ Module-Build-0.4224-msys/META.json	2018-02-14 13:01:45.253677800 +0300
  @@ -129,6 +129,10 @@
            "file" : "lib/Module/Build/Platform/cygwin.pm",
            "version" : "0.4224"
         },
  +      "Module::Build::Platform::msys" : {
  +         "file" : "lib/Module/Build/Platform/msys.pm",
  +         "version" : "0.4231"
  +      },
         "Module::Build::Platform::darwin" : {
            "file" : "lib/Module/Build/Platform/darwin.pm",
            "version" : "0.4224"
  diff -Naur Module-Build-0.4224/META.yml Module-Build-0.4224-msys/META.yml
  --- Module-Build-0.4224/META.yml	2017-05-30 21:03:05.000000000 +0300
  +++ Module-Build-0.4224-msys/META.yml	2018-02-14 13:02:13.315584000 +0300
  @@ -70,6 +70,9 @@
     Module::Build::Platform::cygwin:
       file: lib/Module/Build/Platform/cygwin.pm
       version: '0.4231'
  +  Module::Build::Platform::msys:
  +    file: lib/Module/Build/Platform/msys.pm
  +    version: '0.4231'
     Module::Build::Platform::darwin:
       file: lib/Module/Build/Platform/darwin.pm
       version: '0.4231'
  diff -Naur Module-Build-0.4224/t/destinations.t Module-Build-0.4224-msys/t/destinations.t
  --- Module-Build-0.4224/t/destinations.t	2017-05-30 21:03:05.000000000 +0300
  +++ Module-Build-0.4224-msys/t/destinations.t	2018-02-14 12:07:45.377789700 +0300
  @@ -300,11 +300,11 @@
   sub have_same_ending {
     my ($dir1, $dir2, $message) = @_;
   
  -  $dir1 =~ s{/$}{} if $^O eq 'cygwin'; # remove any trailing slash
  +  $dir1 =~ s{/$}{} if $^O eq 'cygwin' || $^O eq 'msys'; # remove any trailing slash
     my (undef, $dirs1, undef) = splitpath $dir1;
     my @dir1 = splitdir $dirs1;
   
  -  $dir2 =~ s{/$}{} if $^O eq 'cygwin'; # remove any trailing slash
  +  $dir2 =~ s{/$}{} if $^O eq 'cygwin' || $^O eq 'msys'; # remove any trailing slash
     my (undef, $dirs2, undef) = splitpath $dir2;
     my @dir2 = splitdir $dirs2;
   
  