Simplify python build

.gitignore

@@ -74,6 +74,7 @@ flycheck_*.el
 *.so
 *.dylib
 *.dll
+*.pyd
 
 # Fortran module files
 *.mod
@@ -133,6 +134,7 @@ packages/*/cjs
 cppbuild
 docsbuild
 .coverage
+cpp/perspective/third
 
 # docs generated
 docs/_build

azure-pipelines.yml

@@ -161,8 +161,13 @@ jobs:
 
     - task: NodeTool@0
       inputs:
+
         versionSpec: '12.x'
 
+    - script: |
+        choco install tbb -y --allow-empty-checksums
+      displayName: "System deps"
+
     - script: |
         which python > python.txt
         set /p PYTHON=<python.txt
@@ -181,17 +186,14 @@ jobs:
     - script: yarn
       displayName: 'Install Deps'
 
-    - script: yarn build_python  --ci $(python_flag)
+    - script: 
+        set PATH=C:\ProgramData\chocolatey\lib\tbb\tools\tbb41_20130314oss\bin\intel64\vc11;%PATH%
+        yarn build_python  --ci $(python_flag)
       displayName: 'build'
       env:
-        # Set `BOOST_ROOT` manually, as `BOOST_ROOT` is removed in the VM:
-        # https://github.com/actions/virtual-environments/issues/687
-        # 06/18/2020 - seems like boost got moved to `x86_64` inside
-        # the boost folder, which broke builds for a bit.
-        BOOST_ROOT: "C:/hostedtoolcache/windows/Boost/1.69.0/x86_64/"
-        BOOST_INCLUDEDIR: "C:/hostedtoolcache/windows/Boost/1.69.0/x86_64/include"
-        BOOST_LIBRARYDIR: "C:/hostedtoolcache/windows/Boost/1.69.0/x86_64/libs"
-
+        CFLAGS: /IC:\ProgramData\chocolatey\lib\tbb\tools\tbb41_20130314oss\include\
+        LDFLAGS: /LIBPATH:C:\ProgramData\chocolatey\lib\tbb\tools\tbb41_20130314oss\lib\intel64\vc11\
+
 - job: 'MacOS_Mojave'
   pool:
     vmImage: 'macos-10.14'
@@ -233,7 +235,7 @@ jobs:
           versionSpec: '12.x'
 
       - script: |
-          brew install boost
+          brew install tbb
         displayName: "System deps"
 
       - script: |
@@ -353,7 +355,7 @@ jobs:
         versionSpec: '12.x'
 
     - script: |
-        brew install boost
+        brew install tbb
       displayName: "System deps"
 
     - script: |