6 chdir $dir or die "Can't chdir '$dir': $!";
10 unshift @INC, ('dist/Cwd', 'dist/Cwd/lib');
11 require File::Spec::Functions;
13 # To clarify, this isn't the entire suite of modules considered "toolchain"
14 # It's not even all modules needed to build ext/
15 # It's just the source paths of the (minimum complete set of) modules in ext/
16 # needed to build the nonxs modules
17 # After which, all nonxs modules are in lib, which was always sufficient to
18 # allow miniperl to build everything else.
20 my @toolchain = qw(cpan/AutoLoader/lib
23 dist/ExtUtils-Command/lib
24 dist/ExtUtils-Install/lib
25 cpan/ExtUtils-MakeMaker/lib
26 dist/ExtUtils-Manifest/lib
31 # Used only in ExtUtils::Liblist::Kid::_win32_ext()
32 push @toolchain, 'cpan/Text-ParseWords/lib' if $^O eq 'MSWin32';
34 # lib must be last, as the the toolchain modules write themselves into it
35 # as they build, and it's important that @INC order ensures that the partially
36 # written files are always masked by the complete versions.
38 my $inc = join ",\n ",
40 (map {File::Spec::Functions::rel2abs($_)} @toolchain, 'lib'), '.';
42 # If any of the system's build tools are written in Perl, then this module
43 # may well be loaded by a much older version than we are building. So keep it
44 # as backwards compatible as is easy.
48 # We are miniperl, building extensions
49 # Reset \@INC completely, adding the directories we need, and removing the
50 # installed directories (which we don't need to read, and may confuse us)