Adding MSVC 2019 build

.appveyor.yml

@@ -135,16 +135,47 @@ environment:
       PLATFORM: Win32
       PLATFORMTOOLSET: "v141_xp"
 
+    - BUILD_TYPE: Debug
+      COMPILER: MSVC19
+      COMPILER_FAMILY: MSVC2
+      GENERATOR: "Visual Studio 16 2019"
+      APPVEYOR_BUILD_WORKER_IMAGE: "Visual Studio 2019"
+      PLATFORM: x64
+      PLATFORMTOOLSET: "v142"
+    - BUILD_TYPE: Release
+      COMPILER: MSVC19
+      COMPILER_FAMILY: MSVC2
+      GENERATOR: "Visual Studio 16 2019"
+      APPVEYOR_BUILD_WORKER_IMAGE: "Visual Studio 2019"
+      PLATFORM: x64
+      PLATFORMTOOLSET: "v142"
+    - BUILD_TYPE: Debug
+      COMPILER: MSVC19
+      COMPILER_FAMILY: MSVC2
+      GENERATOR: "Visual Studio 16 2019"
+      APPVEYOR_BUILD_WORKER_IMAGE: "Visual Studio 2019"
+      PLATFORM: Win32
+      PLATFORMTOOLSET: "v142"
+    - BUILD_TYPE: Release
+      COMPILER: MSVC19
+      COMPILER_FAMILY: MSVC2
+      GENERATOR: "Visual Studio 16 2019"
+      APPVEYOR_BUILD_WORKER_IMAGE: "Visual Studio 2019"
+      PLATFORM: Win32
+      PLATFORMTOOLSET: "v142"
+
 build_script:
   - md build-%COMPILER%-%BUILD_TYPE%-%PLATFORM%
   - cd build-%COMPILER%-%BUILD_TYPE%-%PLATFORM%
   - if [%COMPILER%]==[MinGW] set PATH=C:\MinGW\bin;%PATH:C:\Program Files\Git\usr\bin;=%
   - if [%COMPILER%]==[MinGW-w32] set PATH=C:\mingw-w64\i686-6.3.0-posix-dwarf-rt_v5-rev1\mingw32\bin;%PATH:C:\Program Files\Git\usr\bin;=%
   - if [%COMPILER%]==[MinGW-w64] set PATH=C:\mingw-w64\x86_64-6.3.0-posix-seh-rt_v5-rev1\mingw64\bin;%PATH:C:\Program Files\Git\usr\bin;=%
-  - cmake -G "%GENERATOR%" -DCMAKE_BUILD_TYPE=%BUILD_TYPE% -DCMAKE_PREFIX_PATH=. -DCMAKE_INSTALL_PREFIX=SDL-Mixer-X -DDOWNLOAD_AUDIO_CODECS_DEPENDENCY=YES %EXTRA_CMAKE_FLAGS% ..
+  - if NOT [%COMPILER_FAMILY%]==[MSVC2] cmake -G "%GENERATOR%" -DCMAKE_BUILD_TYPE=%BUILD_TYPE% -DCMAKE_PREFIX_PATH=. -DCMAKE_INSTALL_PREFIX=SDL-Mixer-X -DDOWNLOAD_AUDIO_CODECS_DEPENDENCY=YES %EXTRA_CMAKE_FLAGS% ..
+  - if [%COMPILER_FAMILY%]==[MSVC2] cmake -G "%GENERATOR%" -A %PLATFORM% -DCMAKE_BUILD_TYPE=%BUILD_TYPE% -DCMAKE_PREFIX_PATH=. -DCMAKE_INSTALL_PREFIX=SDL-Mixer-X -DDOWNLOAD_AUDIO_CODECS_DEPENDENCY=YES %EXTRA_CMAKE_FLAGS% ..
   - if [%COMPILER_FAMILY%]==[MinGW] cmake --build . --config %BUILD_TYPE% -- -j 2
   - if [%COMPILER_FAMILY%]==[MinGW] mingw32-make install
   - if [%COMPILER_FAMILY%]==[MSVC] cmake --build . --config %BUILD_TYPE% --target install
+  - if [%COMPILER_FAMILY%]==[MSVC2] cmake --build . --config %BUILD_TYPE% --target install
   - if NOT [%PLATFORM%]==[Win32-VB6-Binding] 7z a -t7z -mx9 "SDL-Mixer-X-%COMPILER%-%BUILD_TYPE%-%PLATFORM%.7z" "SDL-Mixer-X"
   - if [%PLATFORM%]==[Win32-VB6-Binding] 7z x ../VB6_Wrapper/SDL_Mixer_vb6_example.clean.7z * -osdl-mixer-vb6
   - if [%PLATFORM%]==[Win32-VB6-Binding] copy ..\VB6_Wrapper\ReadME.txt sdl-mixer-vb6