perl: add a version that builds the recipe using perl-cross, and update to 5.28.1

perl-cross is a build system overlay from buildroot project that aims to bring
a bit of sanity to cross-building perl. The advantage of using that is that we
can drop a lot of custom patches (that no one really understands), and simplify
the perl recipe as well. Also the build time goes down from several minutes to
about 30 seconds. The whole thing becomes maintainable again, in my opinion.

When rewriting the recipe I had two goals in mind:
1. Stay with upstream defaults as much as possible
2. Add custom patches only when their necessity was proven through testing.

http://arsv.github.io/perl-cross/

(From OE-Core rev: 52f2828314f851263ca3a6beb41ec936fab4d3ab)

Signed-off-by: Alexander Kanavin <alex.kanavin@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 36 insertions, 0 deletions

diff --git a/meta/recipes-devtools/perl-sanity/files/fix-race-failures.patch b/meta/recipes-devtools/perl-sanity/files/fix-race-failures.patch
new file mode 100644
index 0000000000..f3bffd0abd
--- /dev/null
+++ b/meta/recipes-devtools/perl-sanity/files/fix-race-failures.patch
@@ -0,0 +1,36 @@
+From 3e2c1ddd06be97ba75104b1be4b6fdbd08e16bbe Mon Sep 17 00:00:00 2001
+From: Alex Suykov <alex.suykov@gmail.com>
+Date: Wed, 2 Jan 2019 20:37:47 +0200
+Subject: [PATCH] fix Yocto intermittent failures with modules
+
+Having -Ilib/ above -Idist/... in miniperl_top means miniperl may
+attempt to switch from dist/ to lib/ while the modules are being
+built, possibly picking incompletely-written files there.
+
+Any module available via -Idist/* should only be loaded from dist/
+and never from lib/ even if it gets installed into lib/ at some point.
+
+Upstream-Status: Submitted [https://github.com/arsv/perl-cross/issues/72]
+Signed-off-by: Alexander Kanavin <alex.kanavin@gmail.com>
+---
+ miniperl_top | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/miniperl_top b/miniperl_top
+index 96ab1a2..a0426b9 100755
+--- a/miniperl_top
++++ b/miniperl_top
+@@ -25,7 +25,6 @@ top=$(cd $top; pwd)
+ exec $top/miniperl\
+        -I$top/cnf/stub\
+        -I$top/cnf/cpan\
+-       -I$top/lib\
+        -I$top/cpan/AutoLoader/lib\
+        -I$top/dist/Exporter/lib\
+        -I$top/dist/Cwd\
+@@ -50,4 +49,5 @@ exec $top/miniperl\
+        -I$top/cpan/parent/lib\
+        -I$top/cpan/version/lib\
+        -I$top/dist/Pod-Simple/lib\
++       -I$top/lib\
+        "$@"