Fix prebuild scripts

buildSFML.bat

@@ -1,11 +0,0 @@
-cd deps/SFML
-
-if  "%APPVEYOR%"=="" (
-cmake.exe -S . -B out/Debug -DCMAKE_BUILD_TYPE=Debug
-cmake.exe --build out/Debug --config Debug
-)
-
-cmake.exe -S . -B out/Release -DCMAKE_BUILD_TYPE=RelWithDebInfo
-cmake.exe --build out/Release --config RelWithDebInfo
-
-cd ../..

buildSFML.ps1

@@ -0,0 +1,13 @@
+cd deps/SFML
+
+if ($env:APPVEYOR = ="") {
+    cmake.exe -S . -B out/Debug -DCMAKE_BUILD_TYPE=Debug
+    cmake.exe --build out/Debug --config Debug
+}
+
+$env:_CL_ = "/MDd"
+cmake.exe -S . -B out/Release -DCMAKE_BUILD_TYPE=RelWithDebInfo
+$env:_CL_ = "/MD"
+cmake.exe --build out/Release --config RelWithDebInfo
+
+cd ../..

buildViGEmClient.ps1

@@ -2,7 +2,9 @@ cd deps/ViGEmClient
 
 git apply ../../ViGEm_BuildConfig.patch
 
+$env:_CL_="/MDd"
 msbuild.exe ViGEmCLient.sln /t:Build /p:Configuration=Debug_LIB /p:Platform=x64
+$env:_CL_="/MD"
 msbuild.exe ViGEmCLient.sln /t:Build /p:Configuration=Release_LIB /p:Platform=x64
 
 cd ../..

prebuild.ps1

@@ -1,8 +1,8 @@
 git submodule init
 git submodule update --recursive
 
-cmd.exe /c buildSFML.bat
-cmd.exe /c buildViGEmClient.bat
+.\buildSFML.ps1
+.\buildViGEmClient.ps1
 
 cd deps/traypp