From 7524745b185af3690d83e197bb827e936cd56024 Mon Sep 17 00:00:00 2001
From: Nathan Coad <nathan@thecoads.com>
Date: Sat, 31 Jan 2026 17:12:49 +1100
Subject: [PATCH] try arm builds

---
 .drone.yml           | 53 ++++++++++++++++++++++++++++++++++++++++----
 Dockerfile.builddeps | 17 ++++++++++++++
 sbin/build_deb.sh    | 35 +++++++++++++++++++++++++----
 3 files changed, 97 insertions(+), 8 deletions(-)
 create mode 100644 Dockerfile.builddeps

diff --git a/.drone.yml b/.drone.yml
index 56830cc..6fb9a85 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -3,20 +3,65 @@ type: docker
 name: build
 
 steps:
-- name: build-deb
-  image: cache.coadcorp.com/library/ubuntu:22.04
+- name: build-deb-amd64
+  image: cache.coadcorp.com/library/buildpack-deps:jammy
   environment:
     DEBIAN_FRONTEND: noninteractive
   commands:
   - apt-get update
   - apt-get install -y --no-install-recommends build-essential qt5-qmake qtbase5-dev qtbase5-dev-tools libexif-dev qt5-image-formats-plugins libmosquitto-dev dpkg-dev fakeroot ca-certificates
-  - bash sbin/build_deb.sh "${DRONE_TAG:-${DRONE_COMMIT_SHA:0:8}}"
+  - ARCH=amd64 BUILD_DIR=build-amd64 bash sbin/build_deb.sh "${DRONE_TAG:-${DRONE_COMMIT_SHA:0:8}}"
   - ls -la dist
 
+- name: build-deb-armhf
+  image: cache.coadcorp.com/library/buildpack-deps:jammy
+  environment:
+    DEBIAN_FRONTEND: noninteractive
+    ARM_CFLAGS: -march=armv6 -mfpu=vfp -mfloat-abi=hard
+  commands:
+  - dpkg --add-architecture armhf
+  - apt-get update
+  - apt-get install -y --no-install-recommends build-essential qt5-qmake qtbase5-dev qtbase5-dev-tools libexif-dev qt5-image-formats-plugins libmosquitto-dev dpkg-dev fakeroot ca-certificates gcc-arm-linux-gnueabihf g++-arm-linux-gnueabihf qtbase5-dev:armhf libqt5core5a:armhf libqt5gui5:armhf libqt5widgets5:armhf libqt5network5:armhf libexif-dev:armhf libmosquitto-dev:armhf qt5-image-formats-plugins:armhf
+  - ARCH=armhf BUILD_DIR=build-armhf QMAKESPEC=linux-arm-gnueabihf-g++ QMAKE_CC=arm-linux-gnueabihf-gcc QMAKE_CXX=arm-linux-gnueabihf-g++ QMAKE_LINK=arm-linux-gnueabihf-g++ QMAKE_CFLAGS="$ARM_CFLAGS" QMAKE_CXXFLAGS="$ARM_CFLAGS" bash sbin/build_deb.sh "${DRONE_TAG:-${DRONE_COMMIT_SHA:0:8}}"
+  - ls -la dist
+
+- name: build-deb-arm64
+  image: cache.coadcorp.com/library/buildpack-deps:jammy
+  environment:
+    DEBIAN_FRONTEND: noninteractive
+    ARM64_CFLAGS: -march=armv8-a
+  commands:
+  - dpkg --add-architecture arm64
+  - apt-get update
+  - apt-get install -y --no-install-recommends build-essential qt5-qmake qtbase5-dev qtbase5-dev-tools libexif-dev qt5-image-formats-plugins libmosquitto-dev dpkg-dev fakeroot ca-certificates gcc-aarch64-linux-gnu g++-aarch64-linux-gnu qtbase5-dev:arm64 libqt5core5a:arm64 libqt5gui5:arm64 libqt5widgets5:arm64 libqt5network5:arm64 libexif-dev:arm64 libmosquitto-dev:arm64 qt5-image-formats-plugins:arm64
+  - ARCH=arm64 BUILD_DIR=build-arm64 QMAKESPEC=linux-aarch64-gnu-g++ QMAKE_CC=aarch64-linux-gnu-gcc QMAKE_CXX=aarch64-linux-gnu-g++ QMAKE_LINK=aarch64-linux-gnu-g++ QMAKE_CFLAGS="$ARM64_CFLAGS" QMAKE_CXXFLAGS="$ARM64_CFLAGS" bash sbin/build_deb.sh "${DRONE_TAG:-${DRONE_COMMIT_SHA:0:8}}"
+  - ls -la dist
+
+- name: build-deps-image
+  image: cache.coadcorp.com/plugins/docker
+  settings:
+    registry: registry.coadcorp.com
+    repo: slide/build-deps
+    dockerfile: Dockerfile.builddeps
+    username:
+      from_secret: REGISTRY_USER
+    password:
+      from_secret: REGISTRY_PASS
+    tags:
+    - latest
+    - ${DRONE_COMMIT_SHA}
+  when:
+    event:
+    - promote
+    target:
+    - build-deps
+
 - name: gitea-release
   image: cache.coadcorp.com/plugins/gitea-release
   depends_on:
-  - build-deb
+  - build-deb-amd64
+  - build-deb-armhf
+  - build-deb-arm64
   settings:
     api_key:
       from_secret: GITEA_TOKEN
diff --git a/Dockerfile.builddeps b/Dockerfile.builddeps
new file mode 100644
index 0000000..3e4aba4
--- /dev/null
+++ b/Dockerfile.builddeps
@@ -0,0 +1,17 @@
+FROM cache.coadcorp.com/library/ubuntu:22.04
+
+ENV DEBIAN_FRONTEND=noninteractive
+
+RUN apt-get update \
+  && apt-get install -y --no-install-recommends \
+    build-essential \
+    qt5-qmake \
+    qtbase5-dev \
+    qtbase5-dev-tools \
+    libexif-dev \
+    qt5-image-formats-plugins \
+    libmosquitto-dev \
+    dpkg-dev \
+    fakeroot \
+    ca-certificates \
+  && rm -rf /var/lib/apt/lists/*
diff --git a/sbin/build_deb.sh b/sbin/build_deb.sh
index 75735a3..243cc65 100644
--- a/sbin/build_deb.sh
+++ b/sbin/build_deb.sh
@@ -10,14 +10,41 @@ if [[ ! "$VERSION" =~ ^[0-9] ]]; then
   VERSION="0.0.0+${VERSION}"
 fi
 ARCH="${ARCH:-$(dpkg --print-architecture)}"
-
-PACKAGE_NAME="slide"
-BUILD_DIR="$ROOT_DIR/build"
+BUILD_DIR="${BUILD_DIR:-$ROOT_DIR/build-$ARCH}"
 DIST_DIR="$ROOT_DIR/dist"
 STAGE_DIR="$BUILD_DIR/deb"
+QMAKE_BIN="${QMAKE_BIN:-qmake}"
+MAKE_JOBS="${MAKE_JOBS:-2}"
+
+QMAKE_ARGS=()
+if [[ -n "${QMAKESPEC:-}" ]]; then
+  QMAKE_ARGS+=("-spec" "$QMAKESPEC")
+fi
+if [[ -n "${QMAKE_CC:-}" ]]; then
+  QMAKE_ARGS+=("QMAKE_CC=$QMAKE_CC")
+fi
+if [[ -n "${QMAKE_CXX:-}" ]]; then
+  QMAKE_ARGS+=("QMAKE_CXX=$QMAKE_CXX")
+fi
+if [[ -n "${QMAKE_LINK:-}" ]]; then
+  QMAKE_ARGS+=("QMAKE_LINK=$QMAKE_LINK")
+fi
+if [[ -n "${QMAKE_CFLAGS:-}" ]]; then
+  QMAKE_ARGS+=("QMAKE_CFLAGS=$QMAKE_CFLAGS")
+fi
+if [[ -n "${QMAKE_CXXFLAGS:-}" ]]; then
+  QMAKE_ARGS+=("QMAKE_CXXFLAGS=$QMAKE_CXXFLAGS")
+fi
+if [[ -n "${QMAKE_LFLAGS:-}" ]]; then
+  QMAKE_ARGS+=("QMAKE_LFLAGS=$QMAKE_LFLAGS")
+fi
+
+PACKAGE_NAME="slide"
 
 cd "$ROOT_DIR"
-make build
+mkdir -p "$BUILD_DIR"
+"$QMAKE_BIN" "${QMAKE_ARGS[@]}" "$ROOT_DIR/src/slide.pro" -o "$BUILD_DIR/Makefile"
+make -C "$BUILD_DIR" -j"$MAKE_JOBS"
 
 rm -rf "$STAGE_DIR"
 mkdir -p "$STAGE_DIR/DEBIAN" "$STAGE_DIR/usr/local/bin" "$DIST_DIR"