first commit

build_kindle.sh

@@ -0,0 +1,41 @@
+#!/usr/bin/env bash
+set -e
+
+CONTAINER_NAME=kindle_go_builder
+WORKDIR=/src
+OUTFILE=kindle_fbink_go
+
+if ! docker ps -a --format '{{.Names}}' | grep -q "^${CONTAINER_NAME}\$"; then
+  echo "[sh] Creating container"
+  docker run -dit --name ${CONTAINER_NAME} debian:bookworm sleep infinity
+fi
+
+echo "[sh] Installing toolchain inside container"
+docker exec ${CONTAINER_NAME} bash -c "
+  set -e
+  apt-get update
+  apt-get install -y golang-go curl xz-utils build-essential gcc-arm-linux-gnueabi g++-arm-linux-gnueabi
+  if [ ! -d /usr/local/arm-linux-musleabi-cross ]; then
+    echo '[sh] Downloading musl cross toolchain...'
+    cd /usr/local
+    curl -L https://musl.cc/arm-linux-musleabi-cross.tgz | tar xz
+  fi
+"
+
+echo "[sh] Copying project into container"
+docker exec ${CONTAINER_NAME} rm -rf ${WORKDIR}
+docker cp ./go ${CONTAINER_NAME}:${WORKDIR}
+
+echo "[sh] Building for ARMv7 soft-float (musl static)"
+docker exec ${CONTAINER_NAME} bash -c "
+  set -e
+  export PATH=/usr/local/arm-linux-musleabi-cross/bin:\$PATH
+  cd ${WORKDIR}
+  export GOOS=linux GOARCH=arm GOARM=5 CGO_ENABLED=1 CC=arm-linux-gnueabi-gcc
+  go build -ldflags '-linkmode external -extldflags "-static"' -o kindle_fbink_go .
+"
+
+echo "[sh] Copying binary back to hsot"
+docker cp ${CONTAINER_NAME}:${WORKDIR}/${OUTFILE} ./${OUTFILE}
+
+echo "[sh] Build complete: ${OUTFILE}"