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perlPackages: Add cross-compilation support.

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This involved:

* Installing miniperl as $dev/bin/perl
* Setting miniperl to take INC from
  lib/perl5/{site_perl/,}cross_perl/${version} as well as
  lib/perl5/{site_perl/,}/${version}/${runtimeArch}, in that
  order. miniperl taking from runtimeArch is not really correct, but
  it works in some pure-perl cases (e.g. Config.pm) and can be
  overridden with the cross_perl variant.
* Installing perl-cross's stubs into
  $dev/lib/perl5/cross_perl/${version}
* Patching MakeMaker.pm to gracefully degrade (very slightly) if B.pm
  can't be loaded, which it can't in cross-compilation.
* Passing the right build-time and runtime perls to Makefile.PL
This commit is contained in:
Shea Levy
2018-02-28 15:01:32 -05:00
parent 8e6520540e
commit 306d5cdf03
6 changed files with 81 additions and 7 deletions
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pkgs/development/interpreters/perl/MakeMaker-cross.patch
+17
View File
@@ -0,0 +1,17 @@
diff -Naur a/cpan/ExtUtils-MakeMaker/lib/ExtUtils/MakeMaker.pm b/cpan/ExtUtils-MakeMaker/lib/ExtUtils/MakeMaker.pm
--- a/cpan/ExtUtils-MakeMaker/lib/ExtUtils/MakeMaker.pm 2017-06-30 17:03:20.000000000 -0400
+++ b/cpan/ExtUtils-MakeMaker/lib/ExtUtils/MakeMaker.pm 2018-02-28 10:06:37.031237946 -0500
@@ -1267,7 +1267,12 @@
my $value = shift;
return $value if $UNDER_CORE;
my $tvalue = '';
- require B;
+ eval {
+ require B;
+ };
+ if ($@) {
+ return $tvalue;
+ }
my $sv = B::svref_2object(\$value);
my $magic = ref($sv) eq 'B::PVMG' ? $sv->MAGIC : undef;
while ( $magic ) {