stupid hack to deal with CPAN.pm setting PERL5_CPANPLUS_IS_RUNNING env var

[p5sagit/local-lib.git] / Makefile.PL

diff --git a/Makefile.PL b/Makefile.PL
index 4ed53cd..f051476 100644 (file)
--- a/Makefile.PL
+++ b/Makefile.PL
@@ -1,11 +1,69 @@
 use strict;
 use warnings;
+use vars qw($bootstrapping);
+
+BEGIN {
+  if (grep { /^--bootstrap(?:=(.*))?$/ } @ARGV) {
+    $bootstrapping = 1;
+    my @args = (defined $1 ? ($1) : ());
+
+    {
+      local @INC = @INC;
+      unshift(@INC, 'lib');
+      require local::lib;
+    }
+
+    local::lib->import(@args);
+
+    push(@ARGV,$ENV{PERL_MM_OPT});
+
+    system($^X, '-MExtUtils::MakeMaker 6.31', '-e1');
+    my $eumm = $? >> 8;
+
+    system($^X, '-MCPAN 1.80', '-e1');
+    my $cpan = $? >> 8;
+    my $cpan_command = '';
+
+    # XXX - remove the force on EUMM once its test suite survive PERL_MM_OPT
+
+    if ($eumm) { # non-zero exit
+      $cpan_command .= 'force("install","ExtUtils::MakeMaker"); ';
+    }
+    if ($cpan) {
+      $cpan_command .= 'install("CPAN"); ';
+    }
+    if(length $cpan_command) {
+      system($^X, '-MCPAN', '-e', $cpan_command);
+    }
+
+  }
+}
+
 use inc::Module::Install;
 
 name 'local-lib';
 all_from 'lib/local/lib.pm';
 
 requires 'ExtUtils::MakeMaker' => '6.31'; # version INSTALL_BASE was added
+requires 'ExtUtils::CBuilder'; # this and ParseXS are needed for MB C_support
+requires 'ExtUtils::ParseXS';
 requires 'Module::Build' => '0.28'; # lib -> lib/perl5 change
+requires 'CPAN' => '1.80'; # sudo support
+
+# No, really. See
+# https://rt.cpan.org/Public/Bug/Display.html?id=23735
+# for why CPAN now sets the CPANPLUS env var.
+# trouble is this means we can't auto_install(_now) CPAN itself
+# without this beautiful hack
+
+my $no_cpanplus_env = !exists $ENV{PERL5_CPANPLUS_IS_RUNNING};
+require CPAN;
+delete $ENV{PERL5_CPANPLUS_IS_RUNNING} if $no_cpanplus_env;
+
+if ($bootstrapping) {
+  auto_install_now;
+} else {
+  auto_install;
+}
 
 WriteAll;