build universal2 wheel

.travis.yml

@@ -81,7 +81,7 @@ after_success:
           ANACONDA_ORG="multibuild-wheels-staging";
           TOKEN=${NUMPY_STAGING_UPLOAD_TOKEN};
       fi
-    - pip install git+https://github.com/Anaconda-Server/anaconda-client;
+    - pip install git+https://github.com/Anaconda-Server/anaconda-client[email protected];
     - if [ -n "${TOKEN}" ] ; then
         anaconda -t ${TOKEN} upload -u ${ANACONDA_ORG} ${TRAVIS_BUILD_DIR}/wheelhouse/*.whl;
       fi

azure-pipelines.yml

@@ -106,11 +106,14 @@ jobs:
   - template: azure/posix.yml
     parameters:
       name: macOS
-      vmImage: macOS-10.14
+      vmImage: macOS-10.15
       matrix:
         py_3.7_64:
           MB_PYTHON_VERSION: "3.7"
         py_3.8_64:
           MB_PYTHON_VERSION: "3.8"
+        py_3.9_universal2:
+          MB_PYTHON_VERSION: "3.9"
+          PLAT: universal2
         py_3.9_64:
           MB_PYTHON_VERSION: "3.9"

azure/posix.yml

@@ -59,8 +59,9 @@ jobs:
         displayName: Define build env variables
 
       - bash: |
-          set -e
+          set -ex
           echo $BUILD_COMMIT
+
           pip install virtualenv wheel
           BUILD_DEPENDS="$CYTHON_BUILD_DEP"
 
@@ -77,7 +78,7 @@ jobs:
         displayName: Build wheel
 
       - bash: |
-          set -e
+          set -ex
           source multibuild/common_utils.sh
           source multibuild/travis_steps.sh
           source extra_functions.sh

config.sh

@@ -4,16 +4,19 @@
 if [ $(uname) == "Linux" ]; then IS_LINUX=1; fi
 source gfortran-install/gfortran_utils.sh
 
+function _build_wheel {
+    build_libs
+    build_bdist_wheel $@
+}
+
 function build_wheel {
-    local lib_plat=$PLAT
     if [ -n "$IS_OSX" ]; then
         install_gfortran
     fi
     echo gcc --version
     echo `gcc --version`
-    build_libs $lib_plat
     # Fix version error for development wheels by using bdist_wheel
-    build_bdist_wheel $@
+    wrap_wheel_builder _build_wheel $@
 }
 
 function build_libs {
@@ -26,8 +29,9 @@ function build_libs {
     $PYTHON_EXE -mpip install urllib3
     $PYTHON_EXE -c"import platform; print('platform.uname().machine', platform.uname().machine)"
     basedir=$($PYTHON_EXE numpy/tools/openblas_support.py)
-    $use_sudo cp -r $basedir/lib/* /usr/local/lib
-    $use_sudo cp $basedir/include/* /usr/local/include
+    $use_sudo cp -r $basedir/lib/* $BUILD_PREFIX/lib
+    $use_sudo cp $basedir/include/* $BUILD_PREFIX/include
+    export OPENBLAS=$BUILD_PREFIX
 }
 
 function get_test_cmd {