try add ARM path for MacOS

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

scripts/nightly.yaml

@@ -4,7 +4,8 @@ variables:
   Minor: '8'
   Patch: '16'
   NightlyVersion: $(Major).$(Minor).$(Patch).$(Build.BuildId)-$(Build.DefinitionName)
-  MacFlags: 'CXXFLAGS="-arch arm64 -arch x86_64" LINK_EXTRA_FLAGS="-arch arm64 -arch x86_64" SLINK_EXTRA_FLAGS="-arch arm64 -arch x86_64" FPMATH_ENABLED=False'
+  MacFlags: 'CXXFLAGS="-arch x86_64" LINK_EXTRA_FLAGS="-arch x86_64" SLINK_EXTRA_FLAGS="-arch x86_64" 
+  MacArmFlags: 'CXXFLAGS="-arch arm64" LINK_EXTRA_FLAGS="-arch arm64" SLINK_EXTRA_FLAGS="-arch arm64" FPMATH_ENABLED=False'
 
 stages:
 - stage: Build
@@ -24,6 +25,20 @@ stages:
         artifactName: 'Mac'
         targetPath: $(Build.ArtifactStagingDirectory)
 
+  - job: MacArm
+    displayName: "Mac Build"
+    pool:
+      vmImage: "macOS-latest"
+    steps:
+    - script: $(MacArmFlags) python scripts/mk_unix_dist.py --dotnet-key=$(Build.SourcesDirectory)/resources/z3.snk
+    - script: git clone https://github.com/z3prover/z3test z3test
+    - script: python z3test/scripts/test_benchmarks.py build-dist/z3 z3test/regressions/smt2    
+    - script: cp dist/*.zip $(Build.ArtifactStagingDirectory)/.
+    - task: PublishPipelineArtifact@1
+      inputs:
+        artifactName: 'MacArm'
+        targetPath: $(Build.ArtifactStagingDirectory)
+
   - job: Ubuntu
     displayName: "Ubuntu build"
     pool:
@@ -165,6 +180,11 @@ stages:
       inputs:
         artifact: 'Mac'
         path: $(Agent.TempDirectory)\package
+    - task: DownloadPipelineArtifact@2
+      displayName: 'Download macOS ARM Build'
+      inputs:
+        artifact: 'MacArm'
+        path: $(Agent.TempDirectory)\package
     - task: NuGetToolInstaller@0
       inputs:
         versionSpec: 5.x
@@ -392,6 +412,24 @@ stages:
         artifactName: 'Python packages'
         targetPath: src/api/python/dist
 
+  - job: PythonArm
+    displayName: "Python Arm packaging"
+    pool:
+      vmImage: "ubuntu-latest"
+    steps:
+    - task: DownloadPipelineArtifact@2
+      inputs:
+        artifactName: 'MacArm'
+        targetPath: $(Agent.TempDirectory)
+    - script: cd $(Agent.TempDirectory); mkdir osx-arm-bin; cd osx-arm-bin; unzip ../*osx*.zip
+    - script: python3 -m pip install --user -U setuptools wheel
+    - script: cd src/api/python; python3 setup.py sdist
+    - script: cd src/api/python; echo $(Agent.TempDirectory)/osx-arm-bin/* | xargs printf 'PACKAGE_FROM_RELEASE=%s\n' | xargs -I '{}' env '{}' python3 setup.py bdist_wheel
+    - task: PublishPipelineArtifact@0
+      inputs:
+        artifactName: 'Python Arm packages'
+        targetPath: src/api/python/dist
+
 - stage: Deployment
   jobs:
   - job: Deploy
@@ -430,6 +468,11 @@ stages:
       inputs:
         artifactName: 'Python packages'
         targetPath: tmp
+    - task: DownloadPipelineArtifact@2
+      displayName: "Download Python Arm"
+      inputs:
+        artifactName: 'Python Arm packages'
+        targetPath: tmp
     - task: DownloadPipelineArtifact@2
       displayName: "Download NuGet"
       inputs: