From: Matthias Maier <tamiko@43-1.org>
Date: Sun, 11 Aug 2024 18:59:19 +0000 (-0500)
Subject: CMake: do not set -fstrict-aliasing explicitly
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F17470%2Fhead;p=dealii.git

CMake: do not set -fstrict-aliasing explicitly

This flag is part of the -O2 optimization set already. So let's not set
it manually.
---

diff --git a/cmake/setup_compiler_flags_gnu.cmake b/cmake/setup_compiler_flags_gnu.cmake
index 0a28cd0e21..263c57bc85 100644
--- a/cmake/setup_compiler_flags_gnu.cmake
+++ b/cmake/setup_compiler_flags_gnu.cmake
@@ -162,7 +162,6 @@ if (CMAKE_BUILD_TYPE MATCHES "Release")
 
   enable_if_supported(DEAL_II_CXX_FLAGS_RELEASE "-funroll-loops")
   enable_if_supported(DEAL_II_CXX_FLAGS_RELEASE "-funroll-all-loops")
-  enable_if_supported(DEAL_II_CXX_FLAGS_RELEASE "-fstrict-aliasing")
 
   #
   # Disable assert() in deal.II and user projects in release mode