CI tweaks

Author: rocky

.github/workflows/osx.yml

@@ -1,4 +1,4 @@
-name: Mathics (macOS)
+name: pymathics-natlang (macOS)
 
 on:
   push:

.github/workflows/ubuntu.yml

@@ -1,4 +1,4 @@
-name: Mathics (ubuntu)
+name: pymathics-natlang (ubuntu)
 
 on:
   push:
@@ -8,6 +8,9 @@ on:
 
 jobs:
   build:
+    env:
+      LDFLAGS: "-L/usr/local/opt/llvm@11/lib"
+      CPPFLAGS: "-I/usr/local/opt/llvm@11/include"
     runs-on: ubuntu-latest
     strategy:
       matrix:

.github/workflows/windows.yml

@@ -0,0 +1,35 @@
+name: pymathics-natlang (Windows)
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+    runs-on: windows-latest
+    strategy:
+      matrix:
+        os: [windows]
+        python-version: [ 3.7, 3.8]
+    steps:
+    - uses: actions/checkout@v3
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v2
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        python -m pip install wheel
+        choco install llvm
+        pip install pytest
+        # Can remove after next Mathics-core release
+        python -m pip install -e git+https://github.com/Mathics3/mathics-core#egg=Mathics3[full]
+    - name: Install pymathics.natlang
+      run: |
+        pip install -e .
+    - name: Test Mathics
+      run: |
+        make check