From 0b5748a7afeb914efa80b7856d0d6c53e5b4f8ec Mon Sep 17 00:00:00 2001
From: Miodrag Milanovic <mmicko@gmail.com>
Date: Tue, 27 Nov 2018 19:20:15 +0100
Subject: Fix compile on GCC 5.5 or older

---
 common/log.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'common/log.h')

diff --git a/common/log.h b/common/log.h
index 77adbb2f..52158f18 100644
--- a/common/log.h
+++ b/common/log.h
@@ -84,4 +84,14 @@ static inline void log_assert_worker(bool cond, const char *expr, const char *fi
 
 NEXTPNR_NAMESPACE_END
 
+namespace std {
+template <> struct hash<NEXTPNR_NAMESPACE_PREFIX LogLevel>
+{
+    std::size_t operator()(const NEXTPNR_NAMESPACE_PREFIX LogLevel &loglevel) const noexcept
+    {
+        return std::hash<int>()((int)loglevel);
+    }
+};
+} // namespace std
+
 #endif
-- 
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