Add Linux and Windows CI builds with surrogate TUs

.github/workflows/linux-builds.yml

@@ -20,6 +20,7 @@ jobs:
           - clang++-10
         build_type: [Debug, Release]
         std: [14]
+        surrogates: [OFF]
         include:
         # cannot be installed on ubuntu-20.04 be default?
 #          - cxx: g++-6
@@ -30,6 +31,13 @@ jobs:
             other_pkgs: clang-7
           - cxx: clang++-10
             other_pkgs: clang-10
+        # We want one build to build surrogates -- but not more, to
+        # avoid trouble with long compilation/CI times.
+          - cxx: clang++-10
+            build_type: Debug
+            std: 14
+            other_pkgs: clang-10
+            surrogates: ON
 
     steps:
     - uses: actions/checkout@v2
@@ -47,7 +55,7 @@ jobs:
       run: |
         cmake -Bbuild -H$GITHUB_WORKSPACE -DCMAKE_BUILD_TYPE=${{matrix.build_type}} \
               -DCMAKE_CXX_STANDARD=${{matrix.std}} -DCATCH_DEVELOPMENT_BUILD=ON \
-              -G Ninja
+              -DCATCH_BUILD_SURROGATES=${{matrix.surrogates}} -G Ninja
 
     - name: Build tests + lib
       working-directory: ${{runner.workspace}}/build

appveyor.yml

@@ -51,8 +51,9 @@ test_script:
 # build explicitly.
 environment:
   matrix:
-    - FLAVOR: VS 2019 x64 Debug
+    - FLAVOR: VS 2019 x64 Debug Surrogates
       APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
+      surrogates: 1
       platform: x64
       configuration: Debug
     

tools/misc/appveyorBuildConfigurationScript.bat

@@ -13,7 +13,7 @@ if "%CONFIGURATION%"=="Debug" (
     cmake -H. -BBuild -A%PLATFORM% -DCATCH_TEST_USE_WMAIN=%wmain% -DMEMORYCHECK_COMMAND=build-misc\Debug\CoverageHelper.exe -DMEMORYCHECK_COMMAND_OPTIONS=--sep-- -DMEMORYCHECK_TYPE=Valgrind -DCATCH_BUILD_EXAMPLES=%examples% -DCATCH_BUILD_EXTRA_TESTS=%examples% -DCATCH_DEVELOPMENT_BUILD=ON || exit /b !ERRORLEVEL!
   ) else (
     @REM # We know that coverage is 0
-    cmake -H. -BBuild -A%PLATFORM% -DCATCH_TEST_USE_WMAIN=%wmain% -DCATCH_BUILD_EXAMPLES=%examples% -DCATCH_BUILD_EXTRA_TESTS=%examples% -DCATCH_DEVELOPMENT_BUILD=ON || exit /b !ERRORLEVEL!
+    cmake -H. -BBuild -A%PLATFORM% -DCATCH_TEST_USE_WMAIN=%wmain% -DCATCH_BUILD_EXAMPLES=%examples% -DCATCH_BUILD_EXTRA_TESTS=%examples% -DCATCH_BUILD_SURROGATES=%surrogates% -DCATCH_DEVELOPMENT_BUILD=ON || exit /b !ERRORLEVEL!
   )
 )
 if "%CONFIGURATION%"=="Release" (