From 5096c0fe97009d8c91d72c605791165e7b07a819 Mon Sep 17 00:00:00 2001
From: Victor Zverovich <victor.zverovich@gmail.com>
Date: Sat, 10 Feb 2018 07:17:29 -0800
Subject: [PATCH] Fix string_view detection

---
 include/fmt/core.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/include/fmt/core.h b/include/fmt/core.h
index ec41ac83..0944973e 100644
--- a/include/fmt/core.h
+++ b/include/fmt/core.h
@@ -151,7 +151,8 @@
 namespace fmt { using std::basic_string_view; }
 // std::experimental::basic_string_view::remove_prefix isn't constexpr in gcc 6.
 #elif (FMT_HAS_INCLUDE(<experimental/string_view>) && \
-       __cplusplus >= 201402L && FMT_GCC_VERSION >= 700)
+       (FMT_GCC_VERSION == 0 || FMT_GCC_VERSION >= 700) && \
+       __cplusplus >= 201402L)
 # include <experimental/string_view>
 namespace fmt { using std::experimental::basic_string_view; }
 #else