From 8e87ebc069835e10271abf990e0ee8d6c5d226e8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andreas=20S=C3=BC=C3=9Fenbach?= <asuessenbach@nvidia.com>
Date: Wed, 6 Nov 2024 17:24:07 +0100
Subject: [PATCH] Add compile option -fno-strict-aliasing for all compilers but
 MSVC. (#1212)

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

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9ab97d554..316e3fc82 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -58,6 +58,11 @@ endif()
 # globally add VKB_DEBUG for the debug build
 add_compile_definitions($<$<CONFIG:DEBUG>:VKB_DEBUG>)
 
+# globally set -fno-strict-aliasing, needed due to using reinterpret_cast
+if (!MSVC)
+  add_compile_options(-fno_strict_aliasing)
+endif()
+
 if(MSVC AND (DEFINED CMAKE_C_COMPILER_LAUNCHER))
     message(DEBUG "Setting MSVC flags to /Z7 for ccache compatibility.  Current flags: ${CMAKE_CXX_FLAGS_DEBUG}")
     string(REPLACE "/Zi" "/Z7" CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG}")