Use xcode12.2 image

README.rst

@@ -272,8 +272,8 @@ To use these scripts
     # and test containers, via docker.
     dist: xenial
 
-    # osx image that enables Apple silicon builds
-    osx_image: xcode12u
+    # osx image that enables building Apple silicon libraries
+    osx_image: xcode12.2
 
     matrix:
       include:

travis_osx_steps.sh

@@ -8,14 +8,6 @@ MB_PYTHON_VERSION=${MB_PYTHON_VERSION:-$TRAVIS_PYTHON_VERSION}
 
 ENV_VARS_PATH=${ENV_VARS_PATH:-env_vars.sh}
 
-if [ "$PLAT" == "universal2" ] || [ "$PLAT" == "arm64" ]; then
-  if [ "$TRAVIS" == "true" ]; then
-    # Setup xcode and compilers to use the new SDK for universal2 and arm64 builds
-    sudo xcode-select -switch /Applications/Xcode_12.2.app
-    export SDKROOT=/Applications/Xcode_12.2.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX11.0.sdk
-  fi
-fi
-
 # These load common_utils.sh
 source $MULTIBUILD_DIR/osx_utils.sh
 MB_PYTHON_OSX_VER=${MB_PYTHON_OSX_VER:-$(macpython_sdk_for_version $MB_PYTHON_VERSION)}