refactor CI stuff so it is simpler and better contained

.github/workflows/linux.yml → .github/workflows/build.yml

@@ -1,17 +1,23 @@
-name: Linux build
+name: Build
 
 on: [push, pull_request]
 
 jobs:
-  linux-build:
-    name: Linux build
-    runs-on: ubuntu-latest
+  build:
+    name: Compile on ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
     strategy:
       fail-fast: false
+      matrix:
+        os: [macos-latest, windows-latest, ubuntu-latest]
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
+
+      - name: Setup MSVC environment
+        uses: ilammy/msvc-dev-cmd@v1
+        if: matrix.os == 'windows-latest'
 
       - name: Setup Conda
         uses: conda-incubator/setup-miniconda@v2
@@ -31,7 +37,10 @@ jobs:
         shell: bash -l {0}
         working-directory: ./build
         run: |
-          LDFLAGS="$LDFLAGS -Wl,-rpath-link,$CONDA_PREFIX/lib -pthread -lpthread" \
+          if [ "$RUNNER_OS" == "Windows" ]; then
+            export CC=cl.exe
+            export CXX=cl.exe
+          fi
           cmake -G Ninja \
             -DCMAKE_INSTALL_PREFIX=${CONDA_PREFIX} \
             ..

environment.yml

@@ -0,0 +1,11 @@
+name: wrench
+channels:
+  - conda-forge
+dependencies:
+  - conda
+  - mamba
+  - compilers
+  - ninja
+  - cmake
+  - pdal
+