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nixpkgs/pkgs/development/interpreters/perl/MakeMaker-cross.patch

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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 ) {