autogen: Don't include SKIP_AUTOMOC files in depfile

SKIP_AUTOMOC files should not be included in moc processing, which
means they shouldn't be included in the depfile either. Remove them.

Fixes: #21977

2 files changed, 10 insertions, 3 deletions

diff --git a/Source/cmQtAutoGenInitializer.cxx b/Source/cmQtAutoGenInitializer.cxx
index d4138d9..a1816f1 100644
--- a/Source/cmQtAutoGenInitializer.cxx
+++ b/Source/cmQtAutoGenInitializer.cxx
@@ -1463,15 +1463,15 @@ bool cmQtAutoGenInitializer::SetupWriteAutogenInfo()
     headers.reserve(this->AutogenTarget.Headers.size());
     for (auto const& pair : this->AutogenTarget.Headers) {
       MUFile const* const muf = pair.second.get();
-      if (muf->Generated && !this->CMP0071Accept) {
-        continue;
-      }
       if (muf->SkipMoc) {
         moc_skip.insert(muf->FullPath);
       }
       if (muf->SkipUic) {
         uic_skip.insert(muf->FullPath);
       }
+      if (muf->Generated && !this->CMP0071Accept) {
+        continue;
+      }
       if (muf->MocIt || muf->UicIt) {
         headers.emplace_back(muf);
       }
diff --git a/Source/cmQtAutoMocUic.cxx b/Source/cmQtAutoMocUic.cxx
index 1e3bf06..535f786 100644
--- a/Source/cmQtAutoMocUic.cxx
+++ b/Source/cmQtAutoMocUic.cxx
@@ -2248,6 +2248,13 @@ void cmQtAutoMocUicT::JobDepFilesMergeT::Process()
   std::for_each(this->MocEval().SourceMappings.begin(),
                 this->MocEval().SourceMappings.end(), processMappingEntry);
 
+  // Remove SKIP_AUTOMOC files
+  dependencies.erase(std::remove_if(dependencies.begin(), dependencies.end(),
+                                    [this](const std::string& dep) {
+                                      return this->MocConst().skipped(dep);
+                                    }),
+                     dependencies.end());
+
   // Remove duplicates to make the depfile smaller
   std::sort(dependencies.begin(), dependencies.end());
   dependencies.erase(std::unique(dependencies.begin(), dependencies.end()),