From b5f35dcf362c0aff92bb081affdd96d877d91194 Mon Sep 17 00:00:00 2001
From: CDrummond <craig.p.drummond@gmail.com>
Date: Mon, 13 Jun 2022 12:02:25 +0100
Subject: [PATCH] Build for Linux ARM

---
 .github/workflows/build.yml | 23 +++++++++++++++++++++--
 docker/Dockerfile           | 29 +++++++++++++++++++++++++++++
 docker/docker-build.sh      | 26 ++++++++++++++++++++++++++
 3 files changed, 76 insertions(+), 2 deletions(-)
 create mode 100644 docker/Dockerfile
 create mode 100755 docker/docker-build.sh

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 95ef3e5..5b4a245 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -15,7 +15,7 @@ jobs:
       uses: actions/checkout@v1
 
     - name: Packages
-      run: sudo apt-get update && sudo apt-get install build-essential yasm libavutil-dev libavcodec-dev libavformat-dev libavfilter-dev libavfilter-dev libavdevice-dev libswresample-dev libfftw3-dev ffmpeg -y
+      run: sudo apt-get update && sudo apt-get install build-essential yasm libavutil-dev libavcodec-dev libavformat-dev libavfilter-dev libavdevice-dev libswresample-dev libfftw3-dev ffmpeg -y
  
     - name: Build
       run: |
@@ -41,7 +41,7 @@ jobs:
       uses: actions/checkout@v1
 
     - name: Packages
-      run: sudo add-apt-repository ppa:savoury1/ffmpeg4 -y && sudo add-apt-repository ppa:savoury1/ffmpeg5 -y && sudo apt-get update && sudo apt-get install build-essential yasm libavutil-dev libavcodec-dev libavformat-dev libavfilter-dev libavfilter-dev libavdevice-dev libswresample-dev libfftw3-dev ffmpeg -y
+      run: sudo add-apt-repository ppa:savoury1/ffmpeg4 -y && sudo add-apt-repository ppa:savoury1/ffmpeg5 -y && sudo apt-get update && sudo apt-get install build-essential yasm libavutil-dev libavcodec-dev libavformat-dev libavfilter-dev libavdevice-dev libswresample-dev libfftw3-dev ffmpeg -y
  
     - name: Build
       run: |
@@ -59,6 +59,25 @@ jobs:
         name: bliss-analyser-linux-x86-ffmpeg5
         path: releases/
 
+  Linux_ARM:
+    runs-on: ubuntu-20.04
+
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v1
+
+    - name: Build
+      run: |
+        docker run --rm -v $(pwd):/source dlecan/rust-crosscompiler-arm:stable
+        docker build -t bliss-analyser-cross - < docker/Dockerfile
+        docker run --rm -v $PWD/target:/build -v $PWD:/src bliss-analyser-cross
+
+    - name: Upload artifacts
+      uses: actions/upload-artifact@v2
+      with:
+        name: bliss-analyser-linux-arm
+        path: releases/
+
   macOS:
     runs-on: macos-11.0
 
diff --git a/docker/Dockerfile b/docker/Dockerfile
new file mode 100644
index 0000000..f45577f
--- /dev/null
+++ b/docker/Dockerfile
@@ -0,0 +1,29 @@
+# Cross compilation environment for bliss-mixer
+
+FROM debian:stretch
+
+RUN dpkg --add-architecture arm64 && \
+    dpkg --add-architecture armhf
+RUN apt-get update
+
+RUN apt-get install -y curl git build-essential gcc-multilib musl-tools musl-dev musl && \
+    apt-get install -y yasm libavutil-dev libavcodec-dev libavformat-dev libavfilter-dev libavdevice-dev libswresample-dev libfftw3-dev ffmpeg && \
+    apt-get install -y crossbuild-essential-armhf crossbuild-essential-arm64
+
+RUN curl https://sh.rustup.rs -sSf | sh -s -- -y
+ENV PATH="/root/.cargo/bin/:${PATH}"
+RUN rustup target add aarch64-unknown-linux-gnu && \
+    rustup target add arm-unknown-linux-gnueabihf
+
+RUN mkdir /.cargo && \
+    echo '[target.aarch64-unknown-linux-gnu]\nlinker = "aarch64-linux-gnu-gcc"' > /.cargo/config && \
+    echo '[target.arm-unknown-linux-gnueabihf]\nlinker = "arm-linux-gnueabihf-gcc"' >> /.cargo/config
+
+RUN mkdir /build
+ENV CARGO_TARGET_DIR /build
+ENV CARGO_HOME /build/cache
+
+RUN mkdir /src
+
+WORKDIR /src
+CMD ["/src/docker/docker-build.sh"]
diff --git a/docker/docker-build.sh b/docker/docker-build.sh
new file mode 100755
index 0000000..91eae7d
--- /dev/null
+++ b/docker/docker-build.sh
@@ -0,0 +1,26 @@
+#!/bin/bash
+## #!/usr/bin/env bash
+set -eux
+
+uname -a
+DESTDIR=/src/releases
+
+for d in armhf-linux aarch64-linux ; do
+    mkdir -p $DESTDIR/$d
+    rm -f $DESTDIR/$d/*
+done
+
+function build {
+	echo Building for $1 to $3...
+
+	if [[ ! -f /build/$1/release/bliss-analyser ]]; then
+		cargo build --release --target $1
+	fi
+
+	$2 /build/$1/release/bliss-analyser && cp /build/$1/release/bliss-analyser $DESTDIR/$3
+}
+
+build arm-unknown-linux-gnueabihf arm-linux-gnueabihf-strip armhf-linux/bliss-analyser
+build aarch64-unknown-linux-gnu aarch64-linux-gnu-strip aarch64-linux/bliss-analyser
+
+