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Add ext/re/re.pm to the @INC set for miniperl by lib/buildcustomize.pl
[perl5.git] / write_buildcustomize.pl
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1#!./miniperl -w
2
3use strict;
4if (@ARGV) {
5 my $dir = shift;
6 chdir $dir or die "Can't chdir '$dir': $!";
7 unshift @INC, 'lib';
8}
9
10unshift @INC, ('dist/Cwd', 'dist/Cwd/lib');
11require File::Spec::Functions;
12
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.
19
20my @toolchain = qw(cpan/AutoLoader/lib
21 dist/Cwd dist/Cwd/lib
22 dist/ExtUtils-Command/lib
23 dist/ExtUtils-Install/lib
24 cpan/ExtUtils-MakeMaker/lib
25 dist/ExtUtils-Manifest/lib
26 cpan/File-Path/lib
7353f64c 27 ext/re
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28 );
29
30# Used only in ExtUtils::Liblist::Kid::_win32_ext()
31push @toolchain, 'cpan/Text-ParseWords/lib' if $^O eq 'MSWin32';
32
33# lib must be last, as the the toolchain modules write themselves into it
34# as they build, and it's important that @INC order ensures that the partially
35# written files are always masked by the complete versions.
36
37my $inc = join ",\n ",
38 map { "q\0$_\0" }
39 (map {File::Spec::Functions::rel2abs($_)} @toolchain, 'lib'), '.';
40
41# If any of the system's build tools are written in Perl, then this module
42# may well be loaded by a much older version than we are building. So keep it
43# as backwards compatible as is easy.
44print <<"EOT";
45#!perl
46
47# We are miniperl, building extensions
48# Reset \@INC completely, adding the directories we need, and removing the
49# installed directories (which we don't need to read, and may confuse us)
50\@INC = ($inc);
51EOT