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-rw-r--r--Source/cmListFileCache.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/Source/cmListFileCache.h b/Source/cmListFileCache.h
index 544ff1b4e5..da89016943 100644
--- a/Source/cmListFileCache.h
+++ b/Source/cmListFileCache.h
@@ -62,6 +62,7 @@ struct cmListFileContext
};
std::ostream& operator<<(std::ostream&, cmListFileContext const&);
+bool operator<(const cmListFileContext& lhs, const cmListFileContext& rhs);
struct cmListFileFunction: public cmListFileContext
{