ca-certificates: use python 3 for builds

(From OE-Core rev: 8157c6d32e2af67211eb8fcd048a0771f10f7b26)

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

meta/recipes-support/ca-certificates/ca-certificates/0001-certdata2pem.py-use-python3.patch

@@ -0,0 +1,37 @@
+From b6d18ca77f131cdcaa10d0eaa9d303399767edf6 Mon Sep 17 00:00:00 2001
+From: Alexander Kanavin <alex.kanavin@gmail.com>
+Date: Wed, 28 Aug 2019 19:18:14 +0200
+Subject: [PATCH] certdata2pem.py: use python3
+
+Comments in that file imply it is already py3 compatible.
+
+Upstream-Status: Pending
+Signed-off-by: Alexander Kanavin <alex.kanavin@gmail.com>
+---
+ mozilla/Makefile        | 2 +-
+ mozilla/certdata2pem.py | 2 +-
+ 2 files changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/mozilla/Makefile b/mozilla/Makefile
+index 6f46118..f98877c 100644
+--- a/mozilla/Makefile
++++ b/mozilla/Makefile
+@@ -3,7 +3,7 @@
+ #
+ 
+ all:
+-	python certdata2pem.py
++	python3 certdata2pem.py
+ 
+ clean:
+ 	-rm -f *.crt
+diff --git a/mozilla/certdata2pem.py b/mozilla/certdata2pem.py
+index 0b02b2a..7d796f1 100644
+--- a/mozilla/certdata2pem.py
++++ b/mozilla/certdata2pem.py
+@@ -1,4 +1,4 @@
+-#!/usr/bin/python
++#!/usr/bin/python3
+ # vim:set et sw=4:
+ #
+ # certdata2pem.py - splits certdata.txt into multiple files

meta/recipes-support/ca-certificates/ca-certificates_20190110.bb

@@ -23,6 +23,7 @@ SRC_URI = "git://salsa.debian.org/debian/ca-certificates.git;protocol=https \
            file://default-sysroot.patch \
            file://sbindir.patch \
            file://0003-update-ca-certificates-use-relative-symlinks-from-ET.patch \
+           file://0001-certdata2pem.py-use-python3.patch \
            "
 
 S = "${WORKDIR}/git"