From 58e211355fe9ee2772c94800d981b08596169fdf Mon Sep 17 00:00:00 2001
From: Florian Rupprecht <floruppr@gmail.com>
Date: Thu, 25 Nov 2021 15:14:45 +0100
Subject: [PATCH] Constrain and warn GCC 8 bug

---
 include/crow/app.h      | 2 +-
 include/crow/settings.h | 8 ++++++--
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/include/crow/app.h b/include/crow/app.h
index ef4cec30d..d8845deb2 100644
--- a/include/crow/app.h
+++ b/include/crow/app.h
@@ -82,7 +82,7 @@ namespace crow
 
         ///Create a route using a rule (**Use CROW_ROUTE instead**)
         template <uint64_t Tag>
-#ifdef CROW_GCC8_WORKAROUND
+#ifdef CROW_GCC83_WORKAROUND
         auto& route(std::string&& rule)
 #else
         auto route(std::string&& rule)
diff --git a/include/crow/settings.h b/include/crow/settings.h
index a38cf7b73..1437036c7 100644
--- a/include/crow/settings.h
+++ b/include/crow/settings.h
@@ -58,6 +58,10 @@
 #endif
 #endif
 
-#if __GNUC__ == 8 && __cplusplus > 201103L
-#define CROW_GCC8_WORKAROUND
+#if __GNUC__ == 8 && __GNUC_MINOR__ < 4
+#if __cplusplus > 201103L
+#define CROW_GCC83_WORKAROUND
+#else
+#warning "GCC 8.1 - 8.3 have a bug that prevents crow from compiling with C++11. Please update GCC to > 8.3 or use C++ > 11."
+#endif
 #endif