build/msvc: Add Appveyor CI for MSVC

appveyor.yml

@@ -1,7 +1,10 @@
 version: '{build}'
 environment:
   APPVEYOR_CACHE_ENTRY_ZIP_ARGS: "-t7z -m0=lzma -mx=9"
+image: Visual Studio 2017
 configuration:
+- MSVC_64
+- MSVC_32
 - MINGW_64
 - MINGW_32
 - MINGW_64-gcov

ci/build.bat

@@ -1,27 +1,33 @@
-:: These are native MinGW builds, but they use the toolchain inside
-:: MSYS2, this allows using all the dependencies and tools available
-:: in MSYS2, but we cannot build inside the MSYS2 shell.
 echo on
 if "%CONFIGURATION%" == "MINGW_32" (
   set ARCH=i686
   set BITS=32
-) else (
+) else if "%CONFIGURATION%" == "MINGW_64" (
   set ARCH=x86_64
   set BITS=64
-)
-if "%CONFIGURATION%" == "MINGW_64-gcov" (
+) else if "%CONFIGURATION%" == "MINGW_64-gcov" (
   set USE_GCOV="-DUSE_GCOV=ON"
+) else if "%CONFIGURATION%" == "MSVC_32" (
+  set CMAKE_GENERATOR="Visual Studio 15 2017"
+) else if "%CONFIGURATION%" == "MSVC_64" (
+  set CMAKE_GENERATOR="Visual Studio 15 2017 Win64"
 )
 
-:: We cannot have sh.exe in the PATH (MinGW)
-set PATH=%PATH:C:\Program Files\Git\usr\bin;=%
-set PATH=C:\msys64\mingw%BITS%\bin;C:\Windows\System32;C:\Windows;%PATH%
-:: The default cpack in the PATH is not CMake
-set PATH=C:\Program Files (x86)\CMake\bin\cpack.exe;%PATH%
-
-:: Build third-party dependencies
-C:\msys64\usr\bin\bash -lc "pacman --verbose --noconfirm -Su" || goto :error
-C:\msys64\usr\bin\bash -lc "pacman --verbose --noconfirm --needed -S mingw-w64-%ARCH%-cmake mingw-w64-%ARCH%-perl mingw-w64-%ARCH%-diffutils mingw-w64-%ARCH%-unibilium gperf" || goto :error
+if "%CONFIGURATION:~0,5%" == "MINGW" (
+  :: These are native MinGW builds, but they use the toolchain inside
+  :: MSYS2, this allows using all the dependencies and tools available
+  :: in MSYS2, but we cannot build inside the MSYS2 shell.
+  set CMAKE_GENERATOR="MinGW Makefiles"
+  set CMAKE_GENERATOR_ARGS=VERBOSE=1
+  :: Add MinGW to the PATH and remove the Git directory because it
+  :: has a conflicting sh.exe
+  set "PATH=C:\msys64\mingw%BITS%\bin;C:\Windows\System32;C:\Windows;%PATH:C:\Program Files\Git\usr\bin;=%"
+  :: Build third-party dependencies
+  C:\msys64\usr\bin\bash -lc "pacman --verbose --noconfirm -Su" || goto :error
+  C:\msys64\usr\bin\bash -lc "pacman --verbose --noconfirm --needed -S mingw-w64-%ARCH%-cmake mingw-w64-%ARCH%-perl mingw-w64-%ARCH%-diffutils mingw-w64-%ARCH%-unibilium gperf" || goto :error
+) else if "%CONFIGURATION:~0,4%" == "MSVC" (
+  set CMAKE_GENERATOR_ARGS=/verbosity:detailed
+)
 
 :: Setup python (use AppVeyor system python)
 C:\Python27\python.exe -m pip install neovim || goto :error
@@ -42,19 +48,19 @@ where.exe neovim-node-host.cmd || goto :error
 
 mkdir .deps
 cd .deps
-cmake -G "MinGW Makefiles" -DCMAKE_BUILD_TYPE=RelWithDebInfo ..\third-party\ || goto :error
-mingw32-make VERBOSE=1 || goto :error
+cmake -G %CMAKE_GENERATOR% -DCMAKE_BUILD_TYPE=RelWithDebInfo ..\third-party\ || goto :error
+cmake --build . -- %CMAKE_GENERATOR_ARGS% || goto :error
 cd ..
 
 :: Build Neovim
 mkdir build
 cd build
-cmake -G "MinGW Makefiles" -DCMAKE_BUILD_TYPE=RelWithDebInfo -DBUSTED_OUTPUT_TYPE=nvim %USE_GCOV% -DGPERF_PRG="C:\msys64\usr\bin\gperf.exe" .. || goto :error
-mingw32-make VERBOSE=1 || goto :error
+cmake -G %CMAKE_GENERATOR% -DCMAKE_BUILD_TYPE=RelWithDebInfo -DBUSTED_OUTPUT_TYPE=nvim %USE_GCOV% -DGPERF_PRG="C:\msys64\usr\bin\gperf.exe" .. || goto :error
+cmake --build . --config RelWithDebInfo -- %CMAKE_GENERATOR_ARGS% || goto :error
 bin\nvim --version || goto :error
 
 :: Functional tests
-mingw32-make functionaltest VERBOSE=1 || goto :error
+cmake --build . --config RelWithDebInfo --target functionaltest -- %CMAKE_GENERATOR_ARGS% || goto :error
 
 if defined USE_GCOV (
   C:\msys64\usr\bin\bash -lc "cd /c/projects/neovim; bash <(curl -s https://codecov.io/bash) -c -F functionaltest || echo 'codecov upload failed.'"
@@ -63,13 +69,15 @@ if defined USE_GCOV (
 :: Old tests
 setlocal
 set PATH=%PATH%;C:\msys64\usr\bin
-mingw32-make -C "%~dp0\..\src\nvim\testdir" VERBOSE=1
+cmake --build "%~dp0\..\src\nvim\testdir" -- %CMAKE_GENERATOR_ARGS%
 endlocal
 
 if defined USE_GCOV (
   C:\msys64\usr\bin\bash -lc "cd /c/projects/neovim; bash <(curl -s https://codecov.io/bash) -c -F oldtest || echo 'codecov upload failed.'"
 )
 
+:: The default cpack in the PATH is not CMake
+set PATH=C:\Program Files (x86)\CMake\bin\cpack.exe;%PATH%
 :: Build artifacts
 cpack -G ZIP -C RelWithDebInfo
 if defined APPVEYOR_REPO_TAG_NAME cpack -G NSIS -C RelWithDebInfo

third-party/cmake/BuildLibuv.cmake

@@ -76,15 +76,19 @@ elseif(WIN32 AND MSVC)
   endif()
 
   include(TargetArch)
-  if("${TARGET_ARCH}" STREQUAL "X86_64")
+  if(TARGET_ARCH STREQUAL "X86_64")
     set(TARGET_ARCH x64)
   elseif(TARGET_ARCH STREQUAL "X86")
     set(TARGET_ARCH x86)
   endif()
-  string(TOLOWER ${CMAKE_BUILD_TYPE} LOWERCASE_BUILD_TYPE)
-  set(UV_OUTPUT_DIR ${DEPS_BUILD_DIR}/src/libuv/${CMAKE_BUILD_TYPE})
+  if(CMAKE_BUILD_TYPE STREQUAL "Debug")
+    set(TARGET_CONFIG debug)
+  else()
+    set(TARGET_CONFIG release)
+  endif()
+  set(UV_OUTPUT_DIR ${DEPS_BUILD_DIR}/src/libuv/${TARGET_CONFIG})
   BuildLibUv(
-    BUILD_COMMAND set PYTHON=${PYTHON_EXECUTABLE} COMMAND ${DEPS_BUILD_DIR}/src/libuv/vcbuild.bat shared ${LOWERCASE_BUILD_TYPE} ${TARGET_ARCH}
+	  BUILD_COMMAND set PYTHON=${PYTHON_EXECUTABLE} COMMAND ${DEPS_BUILD_DIR}/src/libuv/vcbuild.bat shared ${TARGET_CONFIG} ${TARGET_ARCH} 
     INSTALL_COMMAND ${CMAKE_COMMAND} -E make_directory ${DEPS_INSTALL_DIR}/lib
       COMMAND ${CMAKE_COMMAND} -E make_directory ${DEPS_INSTALL_DIR}/bin
       COMMAND ${CMAKE_COMMAND} -E copy ${UV_OUTPUT_DIR}/libuv.lib ${DEPS_INSTALL_DIR}/lib