Cross compilation with cross and docker

Cross.toml

@@ -0,0 +1,8 @@
+[target.armv7-unknown-linux-gnueabihf]
+dockerfile = "./Dockerfile"
+context = "."
+
+[build.env]
+passthrough = [
+	"RUSTFLAGS",
+]

Dockerfile

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+# Base image for rapsberrypi 3 target
+FROM rustembedded/cross:armv7-unknown-linux-gnueabihf
+
+# Install libdbus libraries and pkg-config
+RUN dpkg --add-architecture armhf && \
+	    apt-get update && \
+	    apt-get install --assume-yes libdbus-1-dev libdbus-1-dev:armhf pkg-config

build

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+#!/bin/bash
+set -o errexit
+set -o nounset
+set -o pipefail
+set -o xtrace
+
+readonly TARGET_ARCH=armv7-unknown-linux-gnueabihf
+readonly LINK_FLAGS='-L /usr/arm-linux-gnueabihf/lib/ -L /usr/lib/arm-linux-gnueabihf/'
+
+RUSTFLAGS=${LINK_FLAGS} cross build --release --target=${TARGET_ARCH}