This will work 2nd try

Author: harry-cpp

.gitignore

@@ -396,3 +396,6 @@ FodyWeavers.xsd
 
 # JetBrains Rider
 *.sln.iml
+
+# Build output
+build/

build/BuildLinuxTask.cs

@@ -13,8 +13,8 @@ public override void Run(BuildContext context)
     {
         var buildWorkingDir = "build/";
         context.ReplaceTextInFiles("mojoshader/CMakeLists.txt", "ADD_LIBRARY(mojoshader", "ADD_LIBRARY(mojoshader SHARED ");
-        context.ReplaceRegexInFiles("mojoshader/CMakeLists.txt", @"find_package\(SDL2\).+?ENDIF(SDL2_FOUND)", "");
-        context.StartProcess("cmake", new ProcessSettings { WorkingDirectory = buildWorkingDir, Arguments = "CMakeLists.txt -DCMAKE_OSX_ARCHITECTURES=\"x86_64;arm64\" -DPROFILE_SPIRV=OFF -DPROFILE_GLSPIRV=OFF" });
+        context.ReplaceRegexInFiles("mojoshader/CMakeLists.txt", @"find_package\(SDL2\).+?ENDIF\(SDL2_FOUND\)", "");
+        context.StartProcess("cmake", new ProcessSettings { WorkingDirectory = buildWorkingDir, Arguments = "../mojoshader/CMakeLists.txt -DCMAKE_OSX_ARCHITECTURES=\"x86_64;arm64\" -DPROFILE_SPIRV=OFF -DPROFILE_GLSPIRV=OFF" });
         context.StartProcess("cmake", new ProcessSettings { WorkingDirectory = buildWorkingDir, Arguments = "--build ." });
         context.CopyFile(System.IO.Path.Combine(buildWorkingDir, "libmojoshader.so"), $"{context.ArtifactsDir}/libmojoshader.so");
     }

build/BuildMacOSTask.cs

@@ -13,8 +13,8 @@ public override void Run(BuildContext context)
     {
         var buildWorkingDir = "build/";
         context.ReplaceTextInFiles("mojoshader/CMakeLists.txt", "ADD_LIBRARY(mojoshader", "ADD_LIBRARY(mojoshader SHARED ");
-        context.ReplaceRegexInFiles("mojoshader/CMakeLists.txt", @"find_package\(SDL2\).+?ENDIF(SDL2_FOUND)", "");
-        context.StartProcess("cmake", new ProcessSettings { WorkingDirectory = buildWorkingDir, Arguments = "CMakeLists.txt -DCMAKE_OSX_ARCHITECTURES=\"x86_64;arm64\" -DPROFILE_SPIRV=OFF -DPROFILE_GLSPIRV=OFF" });
+        context.ReplaceRegexInFiles("mojoshader/CMakeLists.txt", @"find_package\(SDL2\).+?ENDIF\(SDL2_FOUND\)", "");
+        context.StartProcess("cmake", new ProcessSettings { WorkingDirectory = buildWorkingDir, Arguments = "../mojoshader/CMakeLists.txt -DCMAKE_OSX_ARCHITECTURES=\"x86_64;arm64\" -DPROFILE_SPIRV=OFF -DPROFILE_GLSPIRV=OFF" });
         context.StartProcess("cmake", new ProcessSettings { WorkingDirectory = buildWorkingDir, Arguments = "--build ." });
         context.CopyFile(System.IO.Path.Combine(buildWorkingDir, "libmojoshader.dylib"), $"{context.ArtifactsDir}/libmojoshader.dylib");
     }

build/BuildWindowsTask.cs

@@ -13,8 +13,8 @@ public override void Run(BuildContext context)
     {
         var buildWorkingDir = "build/";
         context.ReplaceTextInFiles("mojoshader/CMakeLists.txt", "ADD_LIBRARY(mojoshader", "ADD_LIBRARY(mojoshader SHARED ");
-        context.ReplaceRegexInFiles("mojoshader/CMakeLists.txt", @"find_package\(SDL2\).+?ENDIF(SDL2_FOUND)", "");
-        context.StartProcess("cmake", new ProcessSettings { WorkingDirectory = buildWorkingDir, Arguments = "CMakeLists.txt -DPROFILE_SPIRV=OFF -DPROFILE_GLSPIRV=OFF" });
+        context.ReplaceRegexInFiles("mojoshader/CMakeLists.txt", @"find_package\(SDL2\).+?ENDIF\(SDL2_FOUND\)", "");
+        context.StartProcess("cmake", new ProcessSettings { WorkingDirectory = buildWorkingDir, Arguments = "../mojoshader/CMakeLists.txt -DPROFILE_SPIRV=OFF -DPROFILE_GLSPIRV=OFF" });
         context.StartProcess("cmake", new ProcessSettings { WorkingDirectory = buildWorkingDir, Arguments = "--build ." });
         context.CopyFile(System.IO.Path.Combine(buildWorkingDir, "mojoshader.dll"), $"{context.ArtifactsDir}/mojoshader.dll");
     }