From a0f470b5bac17e6298c6b7e718dddeccda531a03 Mon Sep 17 00:00:00 2001
From: Iker Barriocanal <32816711+iker-barriocanal@users.noreply.github.com>
Date: Tue, 1 Aug 2023 16:22:28 +0200
Subject: [PATCH] build for arm

---
 .cargo/config.toml                 |  3 +++
 .github/workflows/build_binary.yml | 31 +++++++++++++++++++++++++++++-
 Dockerfile                         |  2 +-
 scripts/docker-build-linux.sh      |  4 +++-
 4 files changed, 37 insertions(+), 3 deletions(-)
 create mode 100644 .cargo/config.toml

diff --git a/.cargo/config.toml b/.cargo/config.toml
new file mode 100644
index 00000000000..e403b791586
--- /dev/null
+++ b/.cargo/config.toml
@@ -0,0 +1,3 @@
+[target.aarch64-unknown-linux-gnu]
+linker = "aarch64-linux-gnu-gcc"
+rustflags = ["-C", "target-feature=+crt-static", "-C", "link-arg=-lgcc"]
diff --git a/.github/workflows/build_binary.yml b/.github/workflows/build_binary.yml
index bd80edf42b0..a0d3e2791cc 100644
--- a/.github/workflows/build_binary.yml
+++ b/.github/workflows/build_binary.yml
@@ -10,7 +10,7 @@ env:
 
 jobs:
   linux:
-    name: Linux
+    name: Linux x86
     runs-on: ubuntu-latest
 
     steps:
@@ -38,6 +38,35 @@ jobs:
           name: ${{ github.sha }}
           path: target/x86_64-unknown-linux-gnu/release/relay-Linux-x86_64*
 
+  linux_arm:
+      name: Linux ARM
+      runs-on: ubuntu-latest
+
+      steps:
+        - uses: actions/checkout@v3
+          with:
+            submodules: recursive
+
+        - name: Build in Docker
+          run: |
+            # Get the latest stable rust toolchain version available
+            TOOLCHAIN=$(curl -s 'https://static.rust-lang.org/dist/channel-rust-stable.toml' | awk '/\[pkg.rust\]/ {getline;print;}' | sed -r 's/^version = "([0-9.]+) .*/\1/')
+            scripts/docker-build-linux.sh "$TOOLCHAIN"
+          env:
+            BUILD_ARCH: aarch64
+            RELAY_FEATURES:
+
+        - name: Bundle Debug File
+          run: |
+            cd target/aarch64-unknown-linux-gnu/release/
+            zip relay-Linux-aarch64-debug.zip relay.debug
+            mv relay relay-Linux-aarch64
+
+        - uses: actions/upload-artifact@v3
+          with:
+            name: ${{ github.sha }}
+            path: target/aarch64-unknown-linux-gnu/release/relay-Linux-aarch64*
+
   macos:
     name: macOS
     runs-on: macos-11
diff --git a/Dockerfile b/Dockerfile
index 171ea556aee..249f8ba2a7a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,7 +12,7 @@ ENV RUST_TOOLCHAIN_VERSION=${RUST_TOOLCHAIN_VERSION}
 RUN yum -y update \
     && yum -y install centos-release-scl epel-release \
     # install a modern compiler toolchain
-    && yum -y install cmake3 devtoolset-10 git \
+    && yum -y install cmake3 devtoolset-10 git aarch64-linux-gnu-gcc \
     # below required for sentry-native
     llvm-toolset-7.0-clang-devel \
     && yum clean all \
diff --git a/scripts/docker-build-linux.sh b/scripts/docker-build-linux.sh
index 86caa12f78e..6d2336661ec 100755
--- a/scripts/docker-build-linux.sh
+++ b/scripts/docker-build-linux.sh
@@ -3,7 +3,9 @@ set -eux
 
 TOOLCHAIN=$1
 
-if [ "${BUILD_ARCH}" = "x86_64" ]; then
+if [ "${BUILD_ARCH}" = "aarch64" ]; then
+  DOCKER_ARCH="arm64"
+elif [ "${BUILD_ARCH}" = "x86_64" ]; then
   DOCKER_ARCH="amd64"
 elif [ "${BUILD_ARCH}" = "i686" ]; then
   DOCKER_ARCH="i386"