[OE-core] [PATCH v2 1/1] perl-native: Update find_perl to find the perl wrapper

[wenzong.fan at windriver.com]

From: Wenzong Fan <wenzong.fan at windriver.com>

[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.

Signed-off-by: Wenzong Fan <wenzong.fan at windriver.com>
---
 .../perl/perl-5.12.3/MM_Unix.pm.patch              |   22 ++++++++++++++++++++
 meta/recipes-devtools/perl/perl-native_5.12.3.bb   |    5 ++-
 2 files changed, 25 insertions(+), 2 deletions(-)
 create mode 100644 meta/recipes-devtools/perl/perl-5.12.3/MM_Unix.pm.patch

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 0000000..eb92ccb
--- /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 at 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);
diff --git a/meta/recipes-devtools/perl/perl-native_5.12.3.bb b/meta/recipes-devtools/perl/perl-native_5.12.3.bb
index 945ebd4..a8e2346 100644
--- a/meta/recipes-devtools/perl/perl-native_5.12.3.bb
+++ b/meta/recipes-devtools/perl/perl-native_5.12.3.bb
@@ -4,7 +4,7 @@ SECTION = "libs"
 LICENSE = "Artistic|GPL"
 LIC_FILES_CHKSUM = "file://Copying;md5=2b4c6ffbcfcbdee469f02565f253d81a \
 		    file://Artistic;md5=f921793d03cc6d63ec4b15e9be8fd3f8"
-PR = "r4"
+PR = "r5"
 
 LIC_FILES_CHKSUM = "file://Copying;md5=2b4c6ffbcfcbdee469f02565f253d81a \
                     file://Artistic;md5=f921793d03cc6d63ec4b15e9be8fd3f8"
@@ -19,7 +19,8 @@ SRC_URI = "http://www.cpan.org/src/5.0/perl-${PV}.tar.gz \
            file://parallel_build_fix_5.patch \
            file://parallel_build_fix_6.patch \
            file://native-nopacklist.patch \
-           file://native-perlinc.patch"
+           file://native-perlinc.patch \
+           file://MM_Unix.pm.patch"
 
 SRC_URI[md5sum] = "29975a69dce54e47fcd6331c085c6c99"
 SRC_URI[sha256sum] = "5678bfd5c2cd59253a26171bf3e681235433b00c730eea8a8046e1b225c11d2f"
-- 
1.7.0.4