Ninja: Use new wincodepage tool to determine encoding

Ninja 1.11 and later uses UTF-8 on Windows when possible, and
includes a tool that reports the code page in use. Use this tool
to determine what encoding to write the Ninja files in.

Fixes: #21866

1 files changed, 5 insertions, 0 deletions

diff --git a/Source/cmGlobalNinjaGenerator.h b/Source/cmGlobalNinjaGenerator.h
index 0c919ef..9f31708 100644
--- a/Source/cmGlobalNinjaGenerator.h
+++ b/Source/cmGlobalNinjaGenerator.h
@@ -388,6 +388,7 @@ public:
   {
     return "1.10.2";
   }
+  static std::string RequiredNinjaVersionForCodePage() { return "1.11"; }
   bool SupportsConsolePool() const;
   bool SupportsImplicitOuts() const;
   bool SupportsManifestRestat() const;
@@ -474,6 +475,7 @@ private:
   std::string GetEditCacheCommand() const override;
   bool FindMakeProgram(cmMakefile* mf) override;
   void CheckNinjaFeatures();
+  void CheckNinjaCodePage();
   bool CheckLanguages(std::vector<std::string> const& languages,
                       cmMakefile* mf) const override;
   bool CheckFortran(cmMakefile* mf) const;
@@ -568,6 +570,9 @@ private:
   bool NinjaSupportsUnconditionalRecompactTool = false;
   bool NinjaSupportsMultipleOutputs = false;
   bool NinjaSupportsMetadataOnRegeneration = false;
+  bool NinjaSupportsCodePage = false;
+
+  codecvt::Encoding NinjaExpectedEncoding = codecvt::None;
 
   bool DiagnosedCxxModuleSupport = false;