From de47e36dac9a1513da2c279125fde000e1a1cc5b Mon Sep 17 00:00:00 2001
From: jasjuang <jasjuang@gmail.com>
Date: Fri, 9 Feb 2018 09:46:50 -0800
Subject: [PATCH] prevent GCC flags propagating to NVCC, fixes #2775

---
 Installation/cmake/modules/CGAL_SetupCGALDependencies.cmake | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Installation/cmake/modules/CGAL_SetupCGALDependencies.cmake b/Installation/cmake/modules/CGAL_SetupCGALDependencies.cmake
index 15e4ae597f8..e32b729b85f 100644
--- a/Installation/cmake/modules/CGAL_SetupCGALDependencies.cmake
+++ b/Installation/cmake/modules/CGAL_SetupCGALDependencies.cmake
@@ -136,7 +136,11 @@ function(CGAL_setup_CGAL_dependencies target)
     endif()
     if(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 3)
       message( STATUS "Using gcc version 4 or later. Adding -frounding-math" )
-      target_compile_options(${target} ${keyword} "-frounding-math")
+      if(CMAKE_VERSION VERSION_LESS 3.3)
+        target_compile_options(${target} ${keyword} "-frounding-math")
+      else()
+        target_compile_options(${target} ${keyword} "$<$<COMPILE_LANGUAGE:CXX>:-frounding-math>")
+      endif()
     endif()
     if ( "${GCC_VERSION}" MATCHES "^4.2" )
       message( STATUS "Using gcc version 4.2. Adding -fno-strict-aliasing" )