From b53059c63d82ff940f5660c724ad3c2864cd8670 Mon Sep 17 00:00:00 2001
From: Simon Brand <simon@codeplay.com>
Date: Thu, 6 Sep 2018 09:34:05 +0100
Subject: [PATCH] Fix macro issue

---
 tl/optional.hpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tl/optional.hpp b/tl/optional.hpp
index 3c05511..356254e 100644
--- a/tl/optional.hpp
+++ b/tl/optional.hpp
@@ -60,7 +60,6 @@
 // for non-copyable types
 #elif (defined(__GNUC__) && __GNUC__ < 8 &&                                                \
      !defined(__clang__))
-#ifdef _GLIBCXX_VECTOR
 #ifndef TL_GCC_LESS_8_TRIVIALLY_COPY_CONSTRUCTIBLE_MUTEX
 #define TL_GCC_LESS_8_TRIVIALLY_COPY_CONSTRUCTIBLE_MUTEX
 namespace tl {
@@ -68,12 +67,13 @@ namespace tl {
       template<class T>
       struct is_trivially_copy_constructible : std::is_trivially_copy_constructible<T>{};
       template<class T, class A>
+#ifdef _GLIBCXX_VECTOR
       struct is_trivially_copy_constructible<std::vector<T,A>>
           : std::is_trivially_copy_constructible<T>{};
+#endif      
   }
 }
 #endif
-#endif
 
 #define TL_OPTIONAL_IS_TRIVIALLY_COPY_CONSTRUCTIBLE(T)                                     \
     tl::detail::is_trivially_copy_constructible<T>::value