Merge pull request #570 from HEXRD/osx-arm64

Try cross-compiling for arm64 on osx

Author: psavery

.github/workflows/package.yml

@@ -31,7 +31,7 @@ jobs:
       run:
         shell: bash
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
       with:
         fetch-depth: 0
 
@@ -111,7 +111,7 @@ jobs:
       run: echo "HEXRD_GIT_DESCRIBE=$(git describe --tag)" >> $GITHUB_ENV
 
     - name: Upload the package to github
-      uses: actions/upload-artifact@v2
+      uses: actions/upload-artifact@v3
       with:
         name: HEXRD-${{ matrix.config.name }}-${{ env.HEXRD_GIT_DESCRIBE }}.tar.bz2
         path: output/**/*.tar.bz2

.github/workflows/test.yml

@@ -33,17 +33,17 @@ jobs:
     steps:
 
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.python-version }}
 
     - name: Checkout HEXRD
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         path: hexrd
 
     - name: Checkout examples
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         repository: HEXRD/examples
         path: examples

conda.recipe/conda_build_config.yaml

@@ -2,3 +2,12 @@ python:
   - 3.9
   - 3.10
   - 3.11
+c_compiler:
+  - gcc                    # [linux]
+  - clang                  # [osx]
+  - vs2019                 # [win]
+target_platform:
+  - linux-64               # [linux]
+  - osx-64                 # [osx]
+  - osx-arm64              # [osx]
+  - win-64                 # [win]

conda.recipe/meta.yaml

@@ -13,12 +13,20 @@ build:
 
 requirements:
   build:
-    # Numba is only here to ensure the numpy version is compatible
-    - numba
-    - numpy >=1.20
+    # This is so that we can build cross-platform for osx-arm64
+    - {{ compiler('c') }}
+    - python {{ python }}                    # [build_platform != target_platform]
+    - cross-python_{{ target_platform }}     # [build_platform != target_platform]
+    - numpy >=1.20                           # [build_platform != target_platform]
+    # Numba is only here to make sure we use a version of numpy that is compatible
+    - numba                                  # [build_platform != target_platform]
+  host:
     - python {{ python }}
+    - numpy >=1.20
     - setuptools
     - setuptools_scm
+    # Numba is only here to make sure we use a version of numpy that is compatible
+    - numba
 
   run:
     - appdirs
@@ -30,7 +38,7 @@ requirements:
     - h5py
     - lmfit
     - numba
-    - numpy >=1.20
+    - {{ pin_compatible('numpy') }}
     - psutil
     - pycifrw
     - python
@@ -44,7 +52,7 @@ requirements:
     - tbb
     - tqdm
 
-test:
+test:         # [build_platform == target_platform]
   imports:
     - hexrd