cuda: add cross-cuda test

.github/workflows/images.yml

@@ -37,13 +37,14 @@ jobs:
       fail-fast: false
       matrix:
         cfg:
-          - { name: Arch Linux,       id: arch     }
-          - { name: CUDA (on Arch),   id: cuda     }
-          - { name: Fedora,           id: fedora   }
-          - { name: Gentoo,           id: gentoo   }
-          - { name: OpenSUSE,         id: opensuse }
-          - { name: Ubuntu Bionic,    id: bionic   }
-          - { name: Ubuntu Rolling,   id: ubuntu-rolling  }
+          - { name: Arch Linux,                   id: arch           }
+          - { name: CUDA (on Arch),               id: cuda           }
+          - { name: CUDA Cross (on Ubuntu Jammy), id: cuda-cross     }
+          - { name: Fedora,                       id: fedora         }
+          - { name: Gentoo,                       id: gentoo         }
+          - { name: OpenSUSE,                     id: opensuse       }
+          - { name: Ubuntu Bionic,                id: bionic         }
+          - { name: Ubuntu Rolling,               id: ubuntu-rolling }
     steps:
         # Need v3 because of bionic
       - uses: actions/checkout@v3

.github/workflows/nonnative.yml

@@ -51,3 +51,12 @@ jobs:
         name: "Ubuntu nonnative"
         fail_ci_if_error: false
         verbose: true
+
+  cross-cuda:
+    runs-on: ubuntu-latest
+    container: mesonbuild/cuda-cross:latest
+    env:
+      MESON_CI_JOBNAME: cuda-cross-${{ github.job }}
+    steps:
+    - name: Run tests
+      run: bash -c 'source /ci/env_vars.sh; cd $GITHUB_WORKSPACE; ./run_tests.py $CI_ARGS --cross cuda-cross.json --cross-only'

ci/ciimage/cuda-cross/image.json

@@ -0,0 +1,8 @@
+{
+  "base_image": "ubuntu:22.04",
+  "args": ["--only", "cuda", "--cross", "cuda-cross.json"],
+  "env": {
+    "CI": "1",
+    "MESON_CI_JOBNAME": "linux-cuda-cross"
+  }
+}

ci/ciimage/cuda-cross/install.sh

@@ -0,0 +1,38 @@
+#!/bin/bash
+
+set -e
+
+source /ci/common.sh
+
+export DEBIAN_FRONTEND=noninteractive
+export LANG='C.UTF-8'
+
+apt-get -y update
+apt-get -y upgrade
+apt-get -y install wget
+
+# Cuda repo + keyring.
+wget https://developer.download.nvidia.com/compute/cuda/repos/ubuntu2204/x86_64/cuda-keyring_1.1-1_all.deb
+apt-get -y install ./cuda-keyring_1.1-1_all.deb
+
+# Cuda cross repo.
+echo "deb [signed-by=/usr/share/keyrings/cuda-archive-keyring.gpg] https://developer.download.nvidia.com/compute/cuda/repos/ubuntu2204/cross-linux-aarch64/ /" \
+  > /etc/apt/sources.list.d/cuda-ubuntu2204-cross-linux-aarch64.list
+apt-get -y update
+
+pkgs=(
+  clang cmake crossbuild-essential-arm64 cuda-cross-aarch64
+  cuda-nvcc-12-9 git libglib2.0-dev ninja-build pkg-config python3-pip
+)
+
+apt-get -y install "${pkgs[@]}"
+
+install_minimal_python_packages
+
+# Tests need nvcc in PATH in order to run cuda tests.
+echo "export PATH=\$PATH:/usr/local/cuda/bin" >> /ci/env_vars.sh
+
+# cleanup
+apt-get -y clean
+apt-get -y autoclean
+rm cuda-keyring_1.1-1_all.deb

cross/cuda-cross.json

@@ -0,0 +1,5 @@
+{
+  "file": "cuda-cross.txt",
+  "tests": ["cuda"],
+  "env": {}
+}

cross/cuda-cross.txt

@@ -0,0 +1,17 @@
+[binaries]
+c = ['/usr/bin/aarch64-linux-gnu-gcc']
+cpp = ['/usr/bin/aarch64-linux-gnu-g++']
+cuda = ['/usr/local/cuda/bin/nvcc']
+ar = '/usr/bin/aarch64-linux-gnu-ar'
+strip = '/usr/bin/aarch64-linux-gnu-strip'
+ld = '/usr/bin/aarch64-linux-gnu-ld'
+
+[host_machine]
+system = 'linux'
+cpu_family = 'aarch64'
+cpu = 'aarch64'
+endian = 'little'
+
+[built-in options]
+cuda_link_args = ['-lstdc++']
+cuda_ccbindir = '/usr/bin/aarch64-linux-gnu-gcc'