From 7fbdc46c7a4f719ee0077b2fa987218cf71bcaf3 Mon Sep 17 00:00:00 2001
From: Ludovic Henry <git@ludovic.dev>
Date: Fri, 3 Nov 2023 13:30:02 +0000
Subject: [PATCH] Add CI on Github Actions for aarch64, arm, ppc64 and s390x

---
 .github/workflows/build_and_test.yml | 136 +++++++++++++++++++++++++++
 travis/toolchain-ppc64el.cmake       |   2 +-
 2 files changed, 137 insertions(+), 1 deletion(-)
 create mode 100644 .github/workflows/build_and_test.yml

diff --git a/.github/workflows/build_and_test.yml b/.github/workflows/build_and_test.yml
new file mode 100644
index 00000000..709946e2
--- /dev/null
+++ b/.github/workflows/build_and_test.yml
@@ -0,0 +1,136 @@
+
+name: "Build & Test"
+
+on:
+  # allow direct trigger
+  workflow_dispatch:
+  push:
+  pull_request:
+
+permissions:
+  contents: read
+
+jobs:
+  build-and-test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4.1.1
+        with:
+          persist-credentials: false
+
+      - name: Install dependencies
+        run: sudo apt-get update -y -qq && sudo apt-get install -y -qq build-essential clang curl ninja-build libgmp-dev libmpfr-dev cpuinfo
+
+      - name: CPU Info
+        run: isa-info
+
+      - name: Build native
+        id: build-native
+        run: |
+          cmake -S . -B _build-native -GNinja \
+            -DCMAKE_INSTALL_PREFIX=$(pwd)/_install-native \
+            -DBUILD_STATIC_TEST_BINS=ON
+          cmake --build _build-native
+          cmake --install _build-native
+
+      - name: Test native
+        run: |
+          cd _build-native
+          ctest -j$(nproc)
+
+      - name: Upload build artifacts
+        uses: actions/upload-artifact@v3
+        with:
+          name: build-native-artifacts
+          path: |
+            _build-native
+        if: always()
+
+  build-and-test-cross:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          # AArch64
+          - arch: aarch64
+            qemu_cpu: "max,sve=off"
+          - arch: aarch64
+            qemu_cpu: "max,sve=on,sve128=on"
+          - arch: aarch64
+            qemu_cpu: "max,sve=on,sve256=on"
+          - arch: aarch64
+            qemu_cpu: "max,sve=on,sve512=on"
+          # Aarch32
+          - arch: armhf
+            binfmt: arm
+            package: -arm-linux-gnueabihf
+          # PPC64
+          - arch: ppc64el
+            binfmt: ppc64le
+            package: -powerpc64le-linux-gnu
+          # IBM Z
+          - arch: s390x
+
+    steps:
+      - uses: actions/checkout@v4.1.1
+        with:
+          persist-credentials: false
+
+      - uses: docker/setup-qemu-action@v3.0.0
+        with:
+          platforms: ${{ matrix.binfmt || matrix.arch }}
+
+      - name: Install dependencies
+        run: sudo apt-get update -y -qq && sudo apt-get install -y -qq build-essential clang curl ninja-build libgmp-dev libmpfr-dev gcc${{ matrix.package || format('-{0}-linux-gnu', matrix.arch) }}
+
+      - name: Print host CPU info
+        run: |
+          cat /proc/cpuinfo
+
+      - name: Build native
+        id: build-native
+        run: |
+          cmake -S . -B _build-native -GNinja \
+            -DCMAKE_INSTALL_PREFIX=$(pwd)/_install-native \
+            -DBUILD_STATIC_TEST_BINS=ON \
+            -DENFORCE_TESTER=ON
+          cmake --build _build-native
+          cmake --install _build-native
+
+      - name: Build ${{ matrix.arch }}
+        env:
+          CTEST_OUTPUT_ON_FAILURE: "TRUE"
+          QEMU_CPU: ${{ matrix.qemu_cpu }}
+        run: |
+          cmake -S . -B _build-${{ matrix.arch }} -GNinja \
+            -DCMAKE_TOOLCHAIN_FILE=$(pwd)/travis/toolchain-${{ matrix.arch }}.cmake \
+            -DCMAKE_INSTALL_PREFIX="$(pwd)/_install-${{ matrix.arch }}" \
+            -DNATIVE_BUILD_DIR="$(pwd)/_build-native" \
+            -DSLEEF_SHOW_CONFIG=1 \
+            -DDISABLE_SSL=ON \
+            -DBUILD_DFT=OFF \
+            -DBUILD_GNUABI_LIBS=OFF \
+            -DBUILD_INLINE_HEADERS=OFF \
+            -DBUILD_QUAD=OFF \
+            -DBUILD_SCALAR_LIB=ON \
+            -DBUILD_STATIC_TEST_BINS=ON \
+            ${EXTRA_CMAKE_FLAGS}
+          cmake --build _build-${{ matrix.arch }}
+          cmake --install _build-${{ matrix.arch }}
+
+      - name: Test ${{ matrix.arch }}
+        env:
+          QEMU_CPU: ${{ matrix.qemu_cpu }}
+        run: |
+          cd _build-${{ matrix.arch }}
+          ctest -j$(nproc)
+
+      - name: Upload build artifacts
+        uses: actions/upload-artifact@v3
+        with:
+          name: build-${{ matrix.arch }}-artifacts
+          path: |
+            _build-native
+            _build-${{ matrix.arch }}
+        if: always()
diff --git a/travis/toolchain-ppc64el.cmake b/travis/toolchain-ppc64el.cmake
index 3f99c2fe..e26a6eaa 100644
--- a/travis/toolchain-ppc64el.cmake
+++ b/travis/toolchain-ppc64el.cmake
@@ -4,7 +4,7 @@ SET (CMAKE_SYSTEM_PROCESSOR "ppc64")
 
 SET(CMAKE_FIND_ROOT_PATH  /usr/powerpc64le-linux-gnu /usr/include/powerpc64le-linux-gnu /usr/lib/powerpc64le-linux-gnu)
 
-find_program(CMAKE_C_COMPILER ppc64el-cc)
+find_program(CMAKE_C_COMPILER powerpc64le-linux-gnu-gcc ppc64el-cc)
 
 SET(CMAKE_AR /usr/powerpc64le-linux-gnu/bin/ar)