Make the default build for Windows 64-bit

Signed-off-by: Dimitar Dobrev <dpldobrev@protonmail.com>

appveyor.yml

@@ -32,12 +32,11 @@ configuration:
 
 environment:
   VS_VERSION: vs2017
-  BUILD_PLATFORM: 'x86'
   DEPS_PATH: '%APPVEYOR_BUILD_FOLDER%\deps'
   LLVM_PATH: '%APPVEYOR_BUILD_FOLDER%\deps\llvm'
   BUILD_PATH: '%APPVEYOR_BUILD_FOLDER%\build\%VS_VERSION%'
-  LIB_PATH: '%APPVEYOR_BUILD_FOLDER%\build\%VS_VERSION%\lib\%CONFIGURATION%_%BUILD_PLATFORM%'
-  ARTIFACT_NAME: '%APPVEYOR_PROJECT_NAME%-%APPVEYOR_REPO_TAG_NAME%-%VS_VERSION%-%BUILD_PLATFORM%.zip'
+  LIB_PATH: '%APPVEYOR_BUILD_FOLDER%\build\%VS_VERSION%\lib\%CONFIGURATION%_%PLATFORM%'
+  ARTIFACT_NAME: '%APPVEYOR_PROJECT_NAME%-%APPVEYOR_REPO_TAG_NAME%-%VS_VERSION%-%PLATFORM%.zip'
   GITHUB_ACCESS_TOKEN:
     secure: CrxPDgxTKC9ZRvFjttpRPO+e1DT8s0Zkk9HrAmHOIzDkOfFbbu1iTm/yJjZ2eDcd
 
@@ -45,11 +44,11 @@ init:
   - git config --global core.autocrlf true
 
 install:
-  - call "C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Auxiliary\Build\vcvars32.bat"
-  - build\premake5.exe --file=build\scripts\LLVM.lua download_llvm
+  - call "C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Auxiliary\Build\vcvarsall.bat" %PLATFORM%
+  - build\premake5.exe --file=build\scripts\LLVM.lua download_llvm --arch=%PLATFORM%
 
 build_script:
-  - build\premake5.exe --file=build\premake5.lua %VS_VERSION%
+  - build\premake5.exe --file=build\premake5.lua %VS_VERSION% --arch=%PLATFORM%
   - msbuild %BUILD_PATH%\CppSharp.sln /logger:"C:\Program Files\AppVeyor\BuildAgent\Appveyor.MSBuildLogger.dll" /verbosity:minimal
 
 #---------------------------------#

build/Helpers.lua

@@ -28,11 +28,11 @@ function target_architecture()
     return "AnyCPU"
   end
 
-  -- Default to 32-bit on Windows and Mono architecture otherwise.
+  -- Default to 64-bit on Windows and Mono architecture otherwise.
   if explicit_target_architecture ~= nil then
     return explicit_target_architecture
   end
-  if os.ishost("windows") then return "x86" end
+  if os.ishost("windows") then return "x64" end
   return is_64_bits_mono_runtime() and "x64" or "x86"
 end
 

build/scripts/LLVM.lua

@@ -347,9 +347,9 @@ end
 function get_cmake_generator()
 	local vsver = get_vs_version()
 	if vsver == "vs2017" then
-		return "Visual Studio 15 2017"
+		return "Visual Studio 15 2017" .. (target_architecture() == "x64" and " Win64" or "")
 	elseif vsver == "vs2015" then
-		return "Visual Studio 14 2015"
+		return "Visual Studio 14 2015" .. (target_architecture() == "x64" and " Win64" or "")
 	else
 		error("Cannot map to CMake configuration due to unknown MSVC version")
 	end
@@ -368,7 +368,7 @@ function build_llvm(llvm_build)
 	if os.ishost("windows") and use_msbuild then
 		cmake(get_cmake_generator(), conf, llvm_build)
 		local llvm_sln = path.join(llvm_build, "LLVM.sln")
-		msbuild(llvm_sln, conf)
+		msbuild('"' .. llvm_sln .. '"', conf)
 	else
 		local options = os.ishost("macosx") and
 			"-DLLVM_ENABLE_LIBCXX=true" or ""