1 files changed, 13 insertions, 0 deletions
diff --git a/Source/cmNinjaTargetGenerator.cxx b/Source/cmNinjaTargetGenerator.cxx
index b19b620..accdcf1 100644
--- a/Source/cmNinjaTargetGenerator.cxx
+++ b/Source/cmNinjaTargetGenerator.cxx
@@ -1398,6 +1398,19 @@ void cmNinjaTargetGenerator::WriteObjectBuildStatement(
     // Make sure ninja knows how to clean the generated header
     this->GetGlobalGenerator()->AddAdditionalCleanFile(ispcHeader, config);
 
+    auto ispcSuffixes =
+      detail::ComputeISPCObjectSuffixes(this->GeneratorTarget);
+    if (ispcSuffixes.size() > 1) {
+      auto ispcSideEfffectObjects = detail::ComputeISPCExtraObjects(
+        objectName, ispcDirectory, ispcSuffixes);
+
+      for (auto sideEffect : ispcSideEfffectObjects) {
+        sideEffect = this->ConvertToNinjaPath(sideEffect);
+        objBuild.ImplicitOuts.emplace_back(sideEffect);
+        this->GetGlobalGenerator()->AddAdditionalCleanFile(sideEffect, config);
+      }
+    }
+
     vars["ISPC_HEADER_FILE"] =
       this->GetLocalGenerator()->ConvertToOutputFormat(
         ispcHeader, cmOutputConverter::SHELL);