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-rw-r--r--data/points/generator/CMakeLists.txt15
1 files changed, 15 insertions, 0 deletions
diff --git a/data/points/generator/CMakeLists.txt b/data/points/generator/CMakeLists.txt
index 0d045450..26b44446 100644
--- a/data/points/generator/CMakeLists.txt
+++ b/data/points/generator/CMakeLists.txt
@@ -4,7 +4,22 @@ project(GUDHIPointsGenerator)
if(CGAL_FOUND)
if (NOT CGAL_VERSION VERSION_LESS 4.6.0)
message(STATUS "CGAL version: ${CGAL_VERSION}.")
+
include( ${CGAL_USE_FILE} )
+ # In CMakeLists.txt, when include(${CGAL_USE_FILE}), CXX_FLAGS are overwritten.
+ # cf. http://doc.cgal.org/latest/Manual/installation.html#title40
+ # A workaround is to add "-std=c++11" again.
+ # A fix would be to use https://cmake.org/cmake/help/v3.1/prop_gbl/CMAKE_CXX_KNOWN_FEATURES.html
+ # or even better https://cmake.org/cmake/help/v3.1/variable/CMAKE_CXX_STANDARD.html
+ # but it implies to use cmake version 3.1 at least.
+ if(NOT MSVC)
+ include(CheckCXXCompilerFlag)
+ CHECK_CXX_COMPILER_FLAG(-std=c++11 COMPILER_SUPPORTS_CXX11)
+ if(COMPILER_SUPPORTS_CXX11)
+ set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
+ endif()
+ endif()
+ # - End of workaround
find_package(Eigen3 3.1.0)
if (EIGEN3_FOUND)