From f96e89e016802fb219c9158ac74a21f3aae6abc9 Mon Sep 17 00:00:00 2001
From: Rosen Penev <rosenp@gmail.com>
Date: Fri, 31 Jan 2020 21:54:16 -0800
Subject: [PATCH] catch_compiler_capabilities.h: use proper math define

C++11 math requires _GLIBCXX_USE_C99_MATH_TR1 to be true with gcc/clang.

Also fixes an issue with uClibc-ng where __UCLIBC__ is defined in features.h but
that is not included here and is thus no-op.
---
 include/internal/catch_compiler_capabilities.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/internal/catch_compiler_capabilities.h b/include/internal/catch_compiler_capabilities.h
index 0cc7ed40..9eebd8de 100644
--- a/include/internal/catch_compiler_capabilities.h
+++ b/include/internal/catch_compiler_capabilities.h
@@ -203,7 +203,7 @@
     #define CATCH_CONFIG_COLOUR_NONE
 #endif
 
-#if defined(__UCLIBC__)
+#if !defined(_GLIBCXX_USE_C99_MATH_TR1)
 #define CATCH_INTERNAL_CONFIG_GLOBAL_NEXTAFTER
 #endif