docker: add qemu:debian-jessie based on outdated jessie release

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>

tests/docker/dockerfiles/debian8.docker

@@ -0,0 +1,36 @@
+#
+# Docker multiarch cross-compiler target
+#
+# This docker target is builds on Debian and Emdebian's cross compiler targets
+# to build distro with a selection of cross compilers for building test binaries.
+#
+# On its own you can't build much but the docker-foo-cross targets
+# build on top of the base debian image.
+#
+FROM debian:jessie-slim
+
+MAINTAINER Philippe Mathieu-Daudé <f4bug@amsat.org>
+
+# Duplicate deb line as deb-src
+RUN cat /etc/apt/sources.list | sed "s/^deb\ /deb-src /" >> /etc/apt/sources.list
+
+# Setup some basic tools we need
+RUN apt-get update && \
+    DEBIAN_FRONTEND=noninteractive apt install -yy eatmydata
+RUN DEBIAN_FRONTEND=noninteractive eatmydata \
+    apt-get install -y --no-install-recommends \
+        bison \
+        binutils-multiarch \
+        build-essential \
+        ca-certificates \
+        clang \
+        curl \
+        flex \
+        git \
+        gnupg \
+        pkg-config \
+        python-minimal
+
+# Setup Emdebian [emdebian-archive-keyring]
+RUN echo "deb http://emdebian.org/tools/debian/ jessie main" > /etc/apt/sources.list.d/emdebian.list && \
+    curl http://emdebian.org/tools/debian/emdebian-toolchain-archive.key | apt-key add -