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-rw-r--r--src/localconsts.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/localconsts.h b/src/localconsts.h
index 523f80569..af5d2b002 100644
--- a/src/localconsts.h
+++ b/src/localconsts.h
@@ -91,6 +91,14 @@
name &operator=(const name&) = delete;
#endif // !defined(__GXX_EXPERIMENTAL_CXX0X__)
+#ifdef __clang__
+#define constexpr3
+#elif GCC_VERSION > 70000
+#define constexpr3 constexpr
+#else
+#define constexpr3
+#endif
+
#ifdef __GNUC__
#define A_UNUSED __attribute__ ((unused))
#define A_WARN_UNUSED __attribute__ ((warn_unused_result))