From: Martin Kronbichler <kronbichler@lnm.mw.tum.de>
Date: Tue, 23 Jul 2013 06:45:12 +0000 (+0000)
Subject: Fix warning with clang: Do not use -funroll-all-loops
X-Git-Tag: v8.1.0~1231
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fbf973209101decfe47272bb8b5feb9213f715d4;p=dealii.git

Fix warning with clang: Do not use -funroll-all-loops

git-svn-id: https://svn.dealii.org/trunk@30122 0785d39b-7218-0410-832d-ea1e28bc413d
---

diff --git a/deal.II/cmake/setup_compiler_flags_gnu.cmake b/deal.II/cmake/setup_compiler_flags_gnu.cmake
index 45d88b1975..68132223e4 100644
--- a/deal.II/cmake/setup_compiler_flags_gnu.cmake
+++ b/deal.II/cmake/setup_compiler_flags_gnu.cmake
@@ -120,7 +120,9 @@ IF (CMAKE_BUILD_TYPE MATCHES "Release")
   ADD_FLAGS(DEAL_II_CXX_FLAGS_RELEASE "-O2")
 
   ENABLE_IF_SUPPORTED(DEAL_II_CXX_FLAGS_RELEASE "-funroll-loops")
-  ENABLE_IF_SUPPORTED(DEAL_II_CXX_FLAGS_RELEASE "-funroll-all-loops")
+  IF(NOT(CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
+    ENABLE_IF_SUPPORTED(DEAL_II_CXX_FLAGS_RELEASE "-funroll-all-loops")
+  ENDIF()
   ENABLE_IF_SUPPORTED(DEAL_II_CXX_FLAGS_RELEASE "-fstrict-aliasing")
   ENABLE_IF_SUPPORTED(DEAL_II_CXX_FLAGS_RELEASE "-felide-constructors")