From cfaecaab17c07c7542b6502159f11622813ad01b Mon Sep 17 00:00:00 2001
From: Johannes Walcher <johannes.walcher@stusta.de>
Date: Tue, 10 Jul 2018 10:39:28 +0200
Subject: [PATCH] Limit -Wshadow to non-gcc (#368)

---
 CMakeLists.txt | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 30e2cd18..7aa75a3e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -96,13 +96,17 @@ if(NOT MSVC)
         -Wall \
         -Wextra \
         -Werror \
-        -Wshadow \
         -pipe \
         -pedantic \
         -fsized-deallocation \
         -fdiagnostics-color=always \
         -Wunreachable-code"
     )
+    if (NOT CMAKE_COMPILER_IS_GNUCXX)
+        # -Wshadow is buggy and broken in GCC, so do not enable it.
+        # see https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79328
+        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wshadow")
+    endif()
 endif()
 
 if(NOT (CMAKE_BUILD_TYPE OR CMAKE_CONFIGURATION_TYPES))