perl: Add dyanloader build hack

Patch perl to allow builds to work where a native perl running against target modules
attempts to load a dynamic binary module. We assume that a native version of the
module exists as it would for the target and perform an appropriate path
substitution.

(From OE-Core rev: b5ea12fec329fe419bc3672ed1e1d5733ff2a9d3)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 23 insertions, 0 deletions

diff --git a/meta/recipes-devtools/perl/perl-5.14.2/dynaloaderhack.patch b/meta/recipes-devtools/perl/perl-5.14.2/dynaloaderhack.patch
new file mode 100644
index 0000000000..3df593346c
--- /dev/null
+++ b/meta/recipes-devtools/perl/perl-5.14.2/dynaloaderhack.patch
@@ -0,0 +1,23 @@
+Hack the dynamic module loader so that we use native modules since we can't load
+the target ones.
+
+Upstream-Status: Inappropriate
+
+RP
+2013/01/13
+
+Index: perl-5.14.2/ext/DynaLoader/DynaLoader_pm.PL
+===================================================================
+--- perl-5.14.2.orig/ext/DynaLoader/DynaLoader_pm.PL    2011-09-19 13:18:22.000000000 +0000
++++ perl-5.14.2/ext/DynaLoader/DynaLoader_pm.PL 2013-01-19 16:09:51.020584945 +0000
+@@ -310,6 +310,10 @@
+     foreach (@INC) {
+        <<$^O-eq-VMS>>chop($_ = VMS::Filespec::unixpath($_));<</$^O-eq-VMS>>
+            my $dir = "$_/auto/$modpname";
++
++       if (defined $ENV{PERL_LIB} and defined $ENV{PERLHOSTLIB}) {
++           $dir =~ s/$ENV{PERL_LIB}/$ENV{PERLHOSTLIB}/g;
++       }
+        
+        next unless -d $dir; # skip over uninteresting directories
+