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-rw-r--r--src/blitter/factory.hpp6
1 files changed, 5 insertions, 1 deletions
diff --git a/src/blitter/factory.hpp b/src/blitter/factory.hpp
index 8f289c2ce..beb35cba5 100644
--- a/src/blitter/factory.hpp
+++ b/src/blitter/factory.hpp
@@ -39,7 +39,11 @@ protected:
if (name == NULL) return;
this->name = strdup(name);
- std::pair<Blitters::iterator, bool> P = GetBlitters().insert(Blitters::value_type(name, this));
+#if !defined(NDEBUG)
+ /* NDEBUG disables asserts and gives a warning: unused variable 'P' */
+ std::pair<Blitters::iterator, bool> P =
+#endif /* !NDEBUG */
+ GetBlitters().insert(Blitters::value_type(name, this));
assert(P.second);
}