[OE-core] [PATCH] perl: Fix encode module reproducibility issues

[Richard Purdie]

The code is encoding host compiler parameters into target builds. Avoid
this for our target builds. This should resolve builds which aren't
reproducible between hosts with different compilers.

Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
---
 .../perl/files/encodefix.patch                | 20 +++++++++++++++++++
 meta/recipes-devtools/perl/perl_5.30.1.bb     |  3 +++
 2 files changed, 23 insertions(+)
 create mode 100644 meta/recipes-devtools/perl/files/encodefix.patch

diff --git a/meta/recipes-devtools/perl/files/encodefix.patch b/meta/recipes-devtools/perl/files/encodefix.patch
new file mode 100644
index 00000000000..396ed0d53e3
--- /dev/null
+++ b/meta/recipes-devtools/perl/files/encodefix.patch
@@ -0,0 +1,20 @@
+The code is encoding host compiler parameters into target builds. Avoid
+this for our target builds (patch is target specific, not native)
+
+Upstream-Status: Inappropriate [Cross compile hack]
+RP 2020/2/18
+Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
+
+Index: perl-5.30.1/cpan/Encode/bin/enc2xs
+===================================================================
+--- perl-5.30.1.orig/cpan/Encode/bin/enc2xs
++++ perl-5.30.1/cpan/Encode/bin/enc2xs
+@@ -195,7 +195,7 @@ sub compiler_info {
+     # above becomes false.
+     my $sized  = $declaration && !($compat && !$pedantic);
+ 
+-    return ($cpp, $static, $sized);
++    return (0, 1, 1);
+ }
+ 
+ 
diff --git a/meta/recipes-devtools/perl/perl_5.30.1.bb b/meta/recipes-devtools/perl/perl_5.30.1.bb
index 5d762710df3..b37f175f973 100644
--- a/meta/recipes-devtools/perl/perl_5.30.1.bb
+++ b/meta/recipes-devtools/perl/perl_5.30.1.bb
@@ -26,6 +26,9 @@ SRC_URI = "https://www.cpan.org/src/5.0/perl-${PV}.tar.gz;name=perl \
 SRC_URI_append_class-native = " \
            file://perl-configpm-switch.patch \
 "
+SRC_URI_append_class-target = " \
+           file://encodefix.patch \
+"
 
 SRC_URI[perl.md5sum] = "6438eb7b8db9bbde28e01086de376a46"
 SRC_URI[perl.sha256sum] = "bf3d25571ff1ee94186177c2cdef87867fd6a14aa5a84f0b1fb7bf798f42f964"
-- 
2.25.0