Fix Windows reusing the same obj folder

Author: harry-cpp

.gitignore

@@ -398,4 +398,4 @@ FodyWeavers.xsd
 *.sln.iml
 
 # Build output
-build/
+mojoshaderbuild/

build/BuildLinuxTask.cs

@@ -11,7 +11,7 @@ public sealed class BuildLinuxTask : FrostingTask<BuildContext>
 
     public override void Run(BuildContext context)
     {
-        var buildWorkingDir = "build/";
+        var buildWorkingDir = "mojoshaderbuild/";
         context.ReplaceTextInFiles("mojoshader/CMakeLists.txt", "ADD_LIBRARY(mojoshader", "ADD_LIBRARY(mojoshader SHARED ");
         context.ReplaceRegexInFiles("mojoshader/CMakeLists.txt", @"find_package\(SDL2\).+?ENDIF\(SDL2_FOUND\)", "", RegexOptions.Singleline);
         context.StartProcess("cmake", new ProcessSettings { WorkingDirectory = buildWorkingDir, Arguments = "../mojoshader/CMakeLists.txt -DCMAKE_OSX_ARCHITECTURES=\"x86_64;arm64\" -DPROFILE_SPIRV=OFF -DPROFILE_GLSPIRV=OFF" });

build/BuildMacOSTask.cs

@@ -11,7 +11,7 @@ public sealed class BuildMacOSTask : FrostingTask<BuildContext>
 
     public override void Run(BuildContext context)
     {
-        var buildWorkingDir = "build/";
+        var buildWorkingDir = "mojoshaderbuild/";
         context.ReplaceTextInFiles("mojoshader/CMakeLists.txt", "ADD_LIBRARY(mojoshader", "ADD_LIBRARY(mojoshader SHARED ");
         context.ReplaceRegexInFiles("mojoshader/CMakeLists.txt", @"find_package\(SDL2\).+?ENDIF\(SDL2_FOUND\)", "", RegexOptions.Singleline);
         context.StartProcess("cmake", new ProcessSettings { WorkingDirectory = buildWorkingDir, Arguments = "../mojoshader/CMakeLists.txt -DCMAKE_OSX_ARCHITECTURES=\"x86_64;arm64\" -DPROFILE_SPIRV=OFF -DPROFILE_GLSPIRV=OFF" });

build/BuildWindowsTask.cs

@@ -11,10 +11,21 @@ public sealed class BuildWindowsTask : FrostingTask<BuildContext>
 
     public override void Run(BuildContext context)
     {
-        var buildWorkingDir = "build/";
+        var buildWorkingDir = "mojoshaderbuild/";
         context.ReplaceTextInFiles("mojoshader/CMakeLists.txt", "ADD_LIBRARY(mojoshader", "ADD_LIBRARY(mojoshader SHARED ");
         context.ReplaceRegexInFiles("mojoshader/CMakeLists.txt", @"find_package\(SDL2\).+?ENDIF\(SDL2_FOUND\)", "", RegexOptions.Singleline);
         context.StartProcess("cmake", new ProcessSettings { WorkingDirectory = buildWorkingDir, Arguments = "../mojoshader/CMakeLists.txt -DPROFILE_SPIRV=OFF -DPROFILE_GLSPIRV=OFF" });
+
+        // Fix generated projects using the same obj folder
+        var dirProps = @"""
+        <Project>
+            <PropertyGroup>
+                    <BaseIntermediateOutputPath>$(MSBuildProjectDirectory)\obj\$(MSBuildProjectName)</BaseIntermediateOutputPath>
+            </PropertyGroup>
+        </Project>
+        """;
+        context.FileWriteText(System.IO.Path.Combine(buildWorkingDir, "Directory.Build.props"), dirProps);
+
         context.StartProcess("cmake", new ProcessSettings { WorkingDirectory = buildWorkingDir, Arguments = "--build ." });
         context.CopyFile(System.IO.Path.Combine(buildWorkingDir, "mojoshader.dll"), $"{context.ArtifactsDir}/mojoshader.dll");
     }