From ee6d4a82bbebe6f6683e57fd0f84c5faf984ddcc Mon Sep 17 00:00:00 2001
From: =?utf8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= <noltari@gmail.com>
Date: Sun, 12 Oct 2025 22:00:18 +0200
Subject: [PATCH] github: add CI build
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Add Github CI supporting different architectures and odhcp6c build options.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
---
 .github/workflows/ci.yml | 94 ++++++++++++++++++++++++++++++++++++++++
 CMakeLists.txt           |  3 +-
 2 files changed, 96 insertions(+), 1 deletion(-)
 create mode 100644 .github/workflows/ci.yml

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..24e721e
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,94 @@
+name: odhcp6c
+
+on:
+  pull_request:
+  push:
+
+jobs:
+  build:
+    name: Build ${{ matrix.arch }}
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - arch: aarch64
+            gcc: /usr/bin/aarch64-linux-gnu-gcc
+            packages: gcc-aarch64-linux-gnu
+          - arch: arm
+            gcc: /usr/bin/arm-linux-gnueabi-gcc
+            packages: gcc-arm-linux-gnueabi
+          - arch: mips
+            gcc: /usr/bin/mips-linux-gnu-gcc
+            packages: gcc-mips-linux-gnu
+          - arch: x86_64
+            gcc: /usr/bin/x86_64-linux-gnu-gcc
+            packages: gcc-x86-64-linux-gnu
+
+    steps:
+      - name: Checkout odhcp6c
+        uses: actions/checkout@v5
+
+      - name: Checkout json-c
+        uses: actions/checkout@v5
+        with:
+          repository: json-c/json-c
+          path: depends/json-c
+
+      - name: Checkout libubox
+        uses: actions/checkout@v5
+        with:
+          repository: openwrt/libubox
+          path: depends/libubox
+
+      - name: Install dependencies
+        run: |
+          sudo apt install ${{ matrix.packages }}
+
+      - name: Prepare build
+        run: |
+          mkdir -p ${GITHUB_WORKSPACE}/build
+
+      - name: Build json-c
+        working-directory: depends/json-c
+        run: |
+          cmake \
+            -DCMAKE_SYSTEM_PROCESSOR=${{ matrix.arch }} \
+            -DCMAKE_C_COMPILER=${{ matrix.gcc }} \
+            -DCMAKE_PREFIX_PATH=${GITHUB_WORKSPACE}/build \
+            -DBUILD_SHARED_LIBS=OFF -DDISABLE_EXTRA_LIBS=ON  \
+            --install-prefix ${GITHUB_WORKSPACE}/build
+          make
+          make install
+
+      - name: Build libubox
+        working-directory: depends/libubox
+        run: |
+          cmake \
+            -DCMAKE_SYSTEM_PROCESSOR=${{ matrix.arch }} \
+            -DCMAKE_C_COMPILER=${{ matrix.gcc }} \
+            -DCMAKE_PREFIX_PATH=${GITHUB_WORKSPACE}/build \
+            -DBUILD_LUA=OFF -DBUILD_EXAMPLES=OFF \
+            --install-prefix ${GITHUB_WORKSPACE}/build
+          make
+          make install
+
+      - name: Build odhcp6c (w/o libubox)
+        run: |
+          cmake \
+            -DCMAKE_SYSTEM_PROCESSOR=${{ matrix.arch }} \
+            -DCMAKE_C_COMPILER=${{ matrix.gcc }} \
+            -DCMAKE_PREFIX_PATH=${GITHUB_WORKSPACE}/build \
+            -D USE_LIBUBOX=OFF \
+            -B build/odhcp6c-without-libubox
+          make -C build/odhcp6c-without-libubox
+
+      - name: Build odhcp6c (with libubox)
+        run: |
+          cmake \
+            -DCMAKE_SYSTEM_PROCESSOR=${{ matrix.arch }} \
+            -DCMAKE_C_COMPILER=${{ matrix.gcc }} \
+            -DCMAKE_PREFIX_PATH=${GITHUB_WORKSPACE}/build \
+            -DUSE_LIBUBOX=ON \
+            -B build/odhcp6c-with-libubox
+          make -C build/odhcp6c-with-libubox
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 89dbdd9..1e13d2e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -26,7 +26,8 @@ set(LIBRARIES resolv)
 
 if(USE_LIBUBOX)
 	add_definitions(-DUSE_LIBUBOX)
-	set(LIBRARIES ${LIBRARIES} ubox)
+	find_library(libubox ubox)
+	set(LIBRARIES ${LIBRARIES} ${libubox})
 	FIND_PATH(ubox_include_dir libubox/md5.h)
 	INCLUDE_DIRECTORIES(${ubox_include_dir})
 else()
-- 
2.30.2