VS: Fix custom commands for DOTNET_SDK builds

Fixes: #23723

Source/cmVisualStudio10TargetGenerator.cxx

@@ -907,16 +907,6 @@ void cmVisualStudio10TargetGenerator::WriteSdkStyleProjectFile(
     return;
   }
 
-  if (this->HasCustomCommandsSource()) {
-    std::string message = cmStrCat(
-      "The target \"", this->GeneratorTarget->GetName(),
-      "\" does not currently support add_custom_command as the Visual Studio "
-      "generators have not yet learned how to generate custom commands in "
-      ".Net SDK-style projects.");
-    this->Makefile->IssueMessage(MessageType::FATAL_ERROR, message);
-    return;
-  }
-
   Elem e0(BuildFileStream, "Project");
   e0.Attribute("Sdk", *this->GeneratorTarget->GetProperty("DOTNET_SDK"));
 
@@ -1016,6 +1006,7 @@ void cmVisualStudio10TargetGenerator::WriteSdkStyleProjectFile(
   }
 
   this->WriteDotNetDocumentationFile(e0);
+  this->WriteCustomCommands(e0);
   this->WriteAllSources(e0);
   this->WriteEmbeddedResourceGroup(e0);
   this->WriteXamlFilesGroup(e0);
@@ -1077,15 +1068,6 @@ void cmVisualStudio10TargetGenerator::WriteCommonPropertyGroupGlobals(Elem& e1)
   }
 }
 
-bool cmVisualStudio10TargetGenerator::HasCustomCommandsSource() const
-{
-  auto const& config_sources = this->GeneratorTarget->GetAllConfigSources();
-  return std::any_of(config_sources.begin(), config_sources.end(),
-                     [](cmGeneratorTarget::AllConfigSource const& si) {
-                       return si.Source->GetCustomCommand();
-                     });
-}
-
 void cmVisualStudio10TargetGenerator::WritePackageReferences(Elem& e0)
 {
   std::vector<std::string> packageReferences =
@@ -1843,6 +1825,15 @@ void cmVisualStudio10TargetGenerator::WriteCustomRule(
               symbolic = sf->GetPropertyAsBool("SYMBOLIC");
             }
           }
+
+          // Without UpToDateCheckInput VS will ignore the dependency files
+          // when doing it's fast up-to-date check and the command will not run
+          if (this->ProjectType == VsProjectType::csproj &&
+              this->GeneratorTarget->IsDotNetSdkTarget()) {
+            Elem e1(e0, "ItemGroup");
+            Elem e2(e1, "UpToDateCheckInput");
+            e2.Attribute("Include", dep);
+          }
         }
       }
       if (this->ProjectType != VsProjectType::csproj) {
@@ -1936,10 +1927,16 @@ void cmVisualStudio10TargetGenerator::WriteCustomRuleCSharp(
   }
   this->CSharpCustomCommandNames.insert(name);
   Elem e1(e0, "Target");
-  e1.Attribute("Condition", this->CalcCondition(config));
+  e1.Attribute("Condition", cmStrCat("'$(Configuration)' == '", config, '\''));
   e1.S << "\n    Name=\"" << name << "\"";
   e1.S << "\n    Inputs=\"" << cmVS10EscapeAttr(inputs) << "\"";
   e1.S << "\n    Outputs=\"" << cmVS10EscapeAttr(outputs) << "\"";
+
+  // Run before sources are compiled...
+  e1.S << "\n    BeforeTargets=\"CoreCompile\""; // BeforeBuild
+  // ...but after output directory has been created
+  e1.S << "\n    DependsOnTargets=\"PrepareForBuild\"";
+
   if (!comment.empty()) {
     Elem(e1, "Exec").Attribute("Command", cmStrCat("echo ", comment));
   }

Source/cmVisualStudio10TargetGenerator.h

@@ -289,8 +289,6 @@ private:
   void WriteCommonPropertyGroupGlobals(
     cmVisualStudio10TargetGenerator::Elem& e1);
 
-  bool HasCustomCommandsSource() const;
-
   std::unordered_map<std::string, ConfigToSettings> ParsedToolTargetSettings;
   bool PropertyIsSameInAllConfigs(const ConfigToSettings& toolSettings,
                                   const std::string& propName);

Tests/RunCMake/VsDotnetSdk/RunCMakeTest.cmake

@@ -1,7 +1,6 @@
 cmake_policy(SET CMP0053 NEW)
 include(RunCMake)
 
-run_cmake(VsDotnetSdkCustomCommandsSource)
 run_cmake(VsDotnetSdkStartupObject)
 run_cmake(VsDotnetSdkDefines)
 run_cmake(DotnetSdkVariables)
@@ -30,3 +29,4 @@ endfunction()
 
 runCmakeAndBuild(VsDotnetSdkCustomCommandsTarget)
 runCmakeAndBuild(VsDotnetSdkNugetRestore)
+runCmakeAndBuild(VsDotnetSdkCustomCommandsSource)

Tests/RunCMake/VsDotnetSdk/VsDotnetSdkCustomCommandsSource-build-stdout.txt

@@ -0,0 +1 @@
+Generating bar.cs

Tests/RunCMake/VsDotnetSdk/VsDotnetSdkCustomCommandsSource-stderr.txt

@@ -1,7 +0,0 @@
-CMake Error in CMakeLists.txt:
-  The target "foo" does not currently support add_custom_command as the
-  Visual Studio generators have not yet learned how to generate custom
-  commands in .Net SDK-style projects.
-
-
-CMake Generate step failed.  Build files cannot be regenerated correctly.

Tests/RunCMake/VsDotnetSdk/VsDotnetSdkCustomCommandsSource.cmake

@@ -7,9 +7,8 @@ endif()
 set(CMAKE_DOTNET_SDK "Microsoft.NET.Sdk")
 add_custom_command(
   OUTPUT bar.cs
-  COMMAND copy /A ${CMAKE_CURRENT_SOURCE_DIR}/lib1.cs
+  COMMAND ${CMAKE_COMMAND} -E copy "${CMAKE_CURRENT_SOURCE_DIR}/lib1.cs" bar.cs
-             bar.cs
+  DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/lib1.cs"
-  DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/lib1.cs
   VERBATIM)
 
 add_library(foo SHARED bar.cs)