perl-native: Update find_perl to find the perl wrapper

[YOCTO #1157] [YOCTO #829]

This is a common issue to the packages which using 'MakeMaker.pm' to
generate their Makefiles. The function 'find_perl()' in 'MM_Unix.pm'
will be used to figure out the path/link of 'PERL/FULLPERL', but it
always find the 'perl.real' instead of perl wrapper.

Just update it to find the perl wrapper correctly.

(From OE-Core rev: f1d4fb02d9952138acab6d647ce8975363dfdbab)

Signed-off-by: Wenzong Fan <wenzong.fan@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 22 insertions, 0 deletions

diff --git a/meta/recipes-devtools/perl/perl-5.12.3/MM_Unix.pm.patch b/meta/recipes-devtools/perl/perl-5.12.3/MM_Unix.pm.patch
new file mode 100644
index 0000000000..eb92ccb678
--- /dev/null
+++ b/meta/recipes-devtools/perl/perl-5.12.3/MM_Unix.pm.patch
@@ -0,0 +1,22 @@
+Upstream-Status:Pending
+
+The perl-native should be relocatable while re-use sstate-cache from
+another build, especially the original build was renamed/removed.
+
+To get the MakeMaker.pm works in this case, we need perl wrapper here
+instead of real perl binary.
+
+Signed-off-by: Wenzong Fan <wenzong.fan@windriver.com>
+===================================================================
+--- perl-5.12.3/cpan/ExtUtils-MakeMaker/lib/ExtUtils/MM_Unix.pm.orig    2011-08-12 16:07:30.000000000 +0800
++++ perl-5.12.3/cpan/ExtUtils-MakeMaker/lib/ExtUtils/MM_Unix.pm 2011-08-12 16:08:56.000000000 +0800
+@@ -1019,6 +1019,9 @@
+     }
+ 
+     foreach my $name (@$names){
++        # Getting MakeMaker.pm use perl wrapper instead of 'perl.real' directly
++        $name =~ s/perl\.real/perl/ if ($name =~ /perl\.real/);
++
+         foreach my $dir (@$dirs){
+             next unless defined $dir; # $self->{PERL_SRC} may be undefined
+             my ($abs, $val);