Merge topic 'cxxmodules-collation-restat'

a7424b636b Ninja: make the collator rule use `restat = 1`
e24eecfc33 Tests/CXXModules: add a test to ensure that `restat` works for collation

Acked-by: Kitware Robot <kwrobot@kitware.com>
Tested-by: buildbot <buildbot@kitware.com>
Merge-request: !9259

1 files changed, 2 insertions, 0 deletions

diff --git a/Source/cmGlobalNinjaGenerator.cxx b/Source/cmGlobalNinjaGenerator.cxx
index 74a6bea..a3f20c3 100644
--- a/Source/cmGlobalNinjaGenerator.cxx
+++ b/Source/cmGlobalNinjaGenerator.cxx
@@ -2786,6 +2786,7 @@ bool cmGlobalNinjaGenerator::WriteDyndepFile(
         // `cmNinjaTargetGenerator::ExportObjectCompileCommand` to generate the
         // corresponding file path.
         cmGeneratedFileStream mmf(cmStrCat(object.PrimaryOutput, ".modmap"));
+        mmf.SetCopyIfDifferent(true);
         mmf << mm;
       }
 
@@ -2875,6 +2876,7 @@ bool cmGlobalNinjaGenerator::WriteDyndepFile(
   }
 
   cmGeneratedFileStream tmf(target_mods_file);
+  tmf.SetCopyIfDifferent(true);
   tmf << target_module_info;
 
   cmDyndepMetadataCallbacks cb;