ci: Update windows build with cl

Author: jorisv

.github/workflows/windows-conda-clang.yml

@@ -32,8 +32,6 @@ jobs:
         restore-keys: ccache-windows-conda-clang-${{ matrix.os }}-${{ matrix.compiler }}-
 
     - uses: conda-incubator/setup-miniconda@v3
-      env:
-        ACTIONS_ALLOW_UNSECURE_COMMANDS: 'true'
       with:
         activate-environment: fcl
         auto-update-conda: true
@@ -44,6 +42,8 @@ jobs:
     - name: Build FCL
       shell: cmd /C CALL {0}
       run: |
+        conda list
+
         call "%programfiles(x86)%\Microsoft Visual Studio\2019\Enterprise\VC\Auxiliary\Build\vcvarsall.bat" amd64
         :: Tell Ninja to use clang-cl
         set CC=clang-cl

.github/workflows/windows-conda-v142.yml

@@ -4,6 +4,12 @@ on: [push,pull_request]
 jobs:
   build:
     runs-on: ${{ matrix.os }}
+    env:
+      CCACHE_BASEDIR: "${GITHUB_WORKSPACE}"
+      CCACHE_DIR: "${GITHUB_WORKSPACE}/.ccache"
+      CCACHE_COMPRESS: true
+      CCACHE_COMPRESSLEVEL: 6
+
     strategy:
       fail-fast: false
       matrix:
@@ -14,30 +20,28 @@ jobs:
             os: windows-2019
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         submodules: recursive
-    - uses: conda-incubator/setup-miniconda@v2
-      env:
-        ACTIONS_ALLOW_UNSECURE_COMMANDS: 'true'
+
+    - uses: actions/cache@v3
+      with:
+        path: .ccache
+        key: ccache-windows-conda-vs-${{ matrix.os }}-${{ matrix.compiler }}-${{ github.sha }}
+        restore-keys: ccache-windows-conda-vs-${{ matrix.os }}-${{ matrix.compiler }}-
+
+    - uses: conda-incubator/setup-miniconda@v3
       with:
         activate-environment: fcl
+        auto-update-conda: true
         environment-file: .github/workflows/conda/conda-env-windows.yml
         python-version: "3.10"
-    - name: Install cmake and update conda
-      run: |
-        conda install cmake -c main
+        auto-activate-base: false
 
     - name: Build FCL
       shell: cmd /C CALL {0}
-      env:
-        ACTIONS_ALLOW_UNSECURE_COMMANDS: 'true'
       run: |
-        :: unset extra Boost envs
-        set Boost_ROOT=
-        set BOOST_ROOT_1_69_0=
-        set BOOST_ROOT_1_72_0=
-        set PATH=%PATH:C:\hostedtoolcache\windows\Boost\1.72.0;=%
+        conda list
 
         call "%programfiles(x86)%\Microsoft Visual Studio\2019\Enterprise\VC\Auxiliary\Build\vcvarsall.bat" amd64
 
@@ -46,10 +50,10 @@ jobs:
         pushd build
 
         :: Configure
-        set PKG_CONFIG_PATH=%CONDA_PREFIX%\Library\share\pkgconfig:%CONDA_PREFIX%\Library\share\pkgconfig
         cmake ^
-          -G "Visual Studio 16 2019" -T "v142" -DCMAKE_GENERATOR_PLATFORM=x64 ^
+          -G "Ninja" ^
           -DCMAKE_INSTALL_PREFIX=%CONDA_PREFIX%\Library ^
+          -DCMAKE_CXX_COMPILER_LAUNCHER=ccache ^
           -DCMAKE_BUILD_TYPE=Release ^
           -DGENERATE_PYTHON_STUBS=ON ^
           -DPYTHON_SITELIB=%CONDA_PREFIX%\Lib\site-packages ^