Switch to cross-compilation for linux_aarch64 and linux_ppc64le

.ci_support/linux_aarch64_cross_target_platformlinux-aarch64.yaml

@@ -23,7 +23,7 @@ cxx_compiler:
 cxx_compiler_version:
 - '12'
 docker_image:
-- quay.io/condaforge/linux-anvil-aarch64
+- quay.io/condaforge/linux-anvil-cos7-x86_64
 target_platform:
 - linux-aarch64
 zip_keys:

.ci_support/linux_ppc64le_cross_target_platformlinux-ppc64le.yaml

@@ -19,7 +19,7 @@ cxx_compiler:
 cxx_compiler_version:
 - '12'
 docker_image:
-- quay.io/condaforge/linux-anvil-ppc64le
+- quay.io/condaforge/linux-anvil-cos7-x86_64
 target_platform:
 - linux-ppc64le
 zip_keys:

.ci_support/win_64_.yaml

@@ -2,6 +2,8 @@ c_compiler:
 - vs2019
 c_stdlib:
 - vs
+c_stdlib_version:
+- '2019'
 channel_sources:
 - conda-forge
 channel_targets:

conda-forge.yml

@@ -1,3 +1,6 @@
+build_platform:
+  linux_aarch64: linux_64
+  linux_ppc64le: linux_64
 conda_build:
   error_overlinking: true
 conda_forge_output_validation: true

recipe/meta.yaml

@@ -1,6 +1,8 @@
 {% set name = "cuda-nvcc-split" %}
 {% set version = "12.4.131" %}
 {% set cuda_version = "12.4" %}
+{% set exists = "which" %}  # [not win]
+{% set exists = "where" %}  # [win]
 
 package:
   name: {{ name|lower }}
@@ -12,7 +14,7 @@ source:
   sha256: e2c71babfd18a8e69542dd7e9ca018f9caa438094001a58e6bc4d8c999bf0d07
 
 build:
-  number: 0
+  number: 1
   skip: true  # [osx]
   skip: true  # [target_platform != "linux-64" and target_platform != cross_target_platform]
 
@@ -73,15 +75,12 @@ outputs:
         - test.cpp
         - test.cu
         - CMakeLists.txt
-        - run_cmake_cuda_tests.sh  # [linux]
+        - run_nvcc_tests.sh   # [linux]
+        - run_nvcc_tests.bat  # [win]
       commands:
-        - nvcc --version
-        - $CXX --verbose ${CXXFLAGS} -lcuda -lcudart_static test.cpp  # [linux]
-        - cl /Tp test.cpp /link /LIBPATH:"%CONDA_PREFIX%\Library\lib" cudart_static.lib /out:test_nvcc.exe  # [win]
-        - nvcc --verbose test.cu
-        - cmake ${CMAKE_ARGS} -S . -B ./build -G=Ninja
-        - cmake --build ./build -v
-        - bash ./run_cmake_cuda_tests.sh  # [linux]
+        - {{ exists }} nvcc
+        - ./run_nvcc_tests.sh   # [linux]
+        - .\run_nvcc_tests.bat  # [win]
         - test -f $PREFIX/etc/conda/activate.d/~cuda-nvcc_activate.sh      # [linux]
         - test -f $PREFIX/etc/conda/deactivate.d/~cuda-nvcc_deactivate.sh  # [linux]
     about:

recipe/run_nvcc_tests.bat

@@ -0,0 +1,18 @@
+@echo on
+
+nvcc --version
+if errorlevel 1 exit 1
+
+
+cl /Tp test.cpp /link /LIBPATH:"%CONDA_PREFIX%\Library\lib" cudart_static.lib /out:test_nvcc.exe
+if errorlevel 1 exit 1
+
+nvcc --verbose test.cu
+if errorlevel 1 exit 1
+
+
+cmake %CMAKE_ARGS% -S . -B ./build -G=Ninja
+if errorlevel 1 exit 1
+
+cmake --build ./build -v
+if errorlevel 1 exit 1

recipe/run_cmake_cuda_tests.sh → recipe/run_nvcc_tests.sh

@@ -1,8 +1,39 @@
 #!/bin/bash
 set -e
 set -x
+
+kernel_name="$(uname -s)"
+if [[ "${kernel_name}" != "Linux" ]]
+then
+  echo "Unknown OS. Expected Linux, but found ${kernel_name}"
+  exit 1
+fi
+
+processor_name="$(uname -m)"
+case "${processor_name}" in
+  "x86_64") test_platform="linux-64" ;;
+  "aarch64") test_platform="linux-aarch64" ;;
+  "ppc64le") test_platform="linux-ppc64le" ;;
+  *) echo "Unknown architecture: ${processor_name}" && exit 1 ;;
+esac
+
+if [[ "${test_platform}" != "${target_platform}" ]]
+then
+  echo "Skipping NVCC testing as current platform is ${test_platform}, whereas; NVCC is built for ${target_platform}."
+  exit 0
+fi
+
 cmake_version=$(cmake --version | grep version | awk '{print $3}')
 
+nvcc --version
+
+$CXX --verbose ${CXXFLAGS} -lcuda -lcudart_static test.cpp
+
+nvcc --verbose test.cu
+
+cmake ${CMAKE_ARGS} -S . -B ./build -G=Ninja
+cmake --build ./build -v
+
 mkdir -p cmake-tests
 git clone -b v${cmake_version} --depth 1 https://gitlab.kitware.com/cmake/cmake.git cmake-tests
 cmake -S cmake-tests -B cmake-tests/build ${CMAKE_ARGS} -DCMake_TEST_HOST_CMAKE=ON -DCMake_TEST_CUDA=nvcc -G "Ninja"