From 2e0ae01b057335c8a5c186e886c2f2b849675435 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20Ho=C5=99e=C5=88ovsk=C3=BD?=
 <martin.horenovsky@gmail.com>
Date: Wed, 15 Feb 2017 17:11:39 +0100
Subject: [PATCH] Improve -Wparentheses supression for gcc

If the gcc version supports `_Pragma` properly, we use that to disable
it locally inside assertions.

Otherwise we disable it for the entire TU.

Fixes #674
---
 include/internal/catch_compiler_capabilities.h | 6 +++++-
 include/internal/catch_suppress_warnings.h     | 6 ++++++
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/include/internal/catch_compiler_capabilities.h b/include/internal/catch_compiler_capabilities.h
index 2eccc390..1d50f2d3 100644
--- a/include/internal/catch_compiler_capabilities.h
+++ b/include/internal/catch_compiler_capabilities.h
@@ -96,11 +96,15 @@
 // GCC
 #ifdef __GNUC__
 
+#   if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)
+#       define CATCH_GCC_HAS_NEW_PRAGMA
+#   endif
+
 #   if __GNUC__ == 4 && __GNUC_MINOR__ >= 6 && defined(__GXX_EXPERIMENTAL_CXX0X__)
 #       define CATCH_INTERNAL_CONFIG_CPP11_NULLPTR
 #   endif
 
-#   if !defined(CATCH_INTERNAL_SUPPRESS_PARENTHESES_WARNINGS) && defined(CATCH_CPP11_OR_GREATER)
+#   if !defined(CATCH_INTERNAL_SUPPRESS_PARENTHESES_WARNINGS) && defined(CATCH_GCC_HAS_NEW_PRAGMA)
 #       define CATCH_INTERNAL_SUPPRESS_PARENTHESES_WARNINGS \
             _Pragma( "GCC diagnostic push" ) \
             _Pragma( "GCC diagnostic ignored \"-Wparentheses\"" )
diff --git a/include/internal/catch_suppress_warnings.h b/include/internal/catch_suppress_warnings.h
index 8f57b285..ffaab696 100644
--- a/include/internal/catch_suppress_warnings.h
+++ b/include/internal/catch_suppress_warnings.h
@@ -24,6 +24,12 @@
 #elif defined __GNUC__
 #    pragma GCC diagnostic ignored "-Wvariadic-macros"
 #    pragma GCC diagnostic ignored "-Wunused-variable"
+
+     // For newer version we can use __Pragma to disable the warnings locally
+#    if __GNUC__ == 4 && __GNUC_MINOR__ >= 4 && __GNUC_MINOR__ <= 7
+#        pragma GCC diagnostic ignored "-Wparentheses"
+#    endif
+
 #    pragma GCC diagnostic push
 #    pragma GCC diagnostic ignored "-Wpadded"
 #endif