Add drone build configuration

.cargo/config.toml

@@ -1,2 +1,3 @@
 [target.armv7-unknown-linux-musleabihf]
-linker = "/usr/local/Cellar/arm-linux-gnueabihf-binutils/2.36.1/bin/arm-linux-gnueabihf-ld"
+#linker = "/usr/local/Cellar/arm-linux-gnueabihf-binutils/2.36.1/bin/arm-linux-gnueabihf-ld"
+linker = "/usr/bin/arm-linux-gnueabihf-ld"

.drone.yml

@@ -0,0 +1,19 @@
+kind: pipeline
+type: exec
+name: toolchain
+
+steps:
+- name: build
+  commands:
+  - docker build -t drone_rust:1.50-musl .
+
+---
+kind: pipeline
+type: docker
+name: s0_meter
+
+steps:
+- name: checkout
+  image: drone_rust:1.50-musl
+  commands:
+  - cargo build --release --target=armv7-unknown-linux-musleabihf --features="rppal"

Dockerfile

@@ -0,0 +1,14 @@
+FROM rust:1.50-slim
+
+# RUN apk add --no-cache musl-dev binutils-arm-none-eabi
+RUN apt-get update
+RUN apt-get -y upgrade
+RUN apt-get -y install binutils-arm-linux-gnueabihf musl-dev
+RUN apt-get clean
+RUN rm -rf /var/lib/apt/lists/*
+RUN rustup target add armv7-unknown-linux-musleabihf
+
+#WORKDIR /usr/src/s0_meter
+#COPY . .
+
+#RUN cargo test

build_with_docker.sh

@@ -0,0 +1,27 @@
+#/bin/bash
+
+WORK_DIR=/usr/src/s0_meter
+RUST_VERSION=1.50
+RUST_IMG_FLAVOR=musl
+
+# docker run \
+#     --rm \
+#     --user "$(id -u):$(id -g)" \
+#     -v "$PWD":"$WORK_DIR" \
+#     -w "$WORK_DIR" \
+#     drone_rust:$RUST_VERSION-$RUST_IMG_FLAVOR \
+#     /bin/sh -c "echo Build: ; cargo build && echo Test: ; cargo test"
+
+docker run \
+    --rm \
+    --user "$(id -u):$(id -g)" \
+    -v "$PWD":"$WORK_DIR" \
+    -w "$WORK_DIR" \
+    drone_rust:$RUST_VERSION-$RUST_IMG_FLAVOR \
+    cargo build --release --target=armv7-unknown-linux-musleabihf --features="rppal"
+
+
+
+exit
+
+#    rust:$RUST_VERSION-$RUST_IMG_FLAVOR \