ci: Use conda clang-cl

Author: jorisv

.github/workflows/ci-ubuntu-macos.yml

@@ -51,7 +51,7 @@ jobs:
           -DPYTHON_EXECUTABLE=$(which python3) \
           -DBUILD_WITH_CPPAD_CODEGEN_BINDINGS=ON
         ninja -j1
-        ctest --output-on-failure -C Release -V
+        ctest --output-on-failure
         ninja install
 
     - name: Uninstall PyCppAD

.github/workflows/ci-windows.yml

@@ -9,16 +9,19 @@ env:
 
 jobs:
   build:
+    name: build (${{ matrix.os }}, ${{ matrix.compiler.name }}, ${{ matrix.compiler.cppad_codegen }})
     runs-on: ${{ matrix.os }}
 
     strategy:
       fail-fast: false
       matrix:
         os: [windows-latest]
         compiler:
-          - cmd: cl
+          - name: cl
+            cmd: cl
             cppad_codegen: OFF
-          - cmd: clang-cl
+          - name: clang-cl
+            cmd: '%CONDA_PREFIX%\\Library\\bin\\clang-cl'
             cppad_codegen: ON
 
     steps:
@@ -63,7 +66,7 @@ jobs:
         ninja -j1
 
         :: Testing
-        ctest --output-on-failure -C Release -V
+        ctest --output-on-failure
 
         :: Test Python import
         ninja install

.github/workflows/conda/conda-env.yml

@@ -12,4 +12,5 @@ dependencies:
   - pkg-config
   - ninja
   - cxx-compiler
+  - clangxx
   - doxygen