[cmake] Drop 11 in filename of CheckCXX11Feature.cmake

cmake/modules/CMakeLists.txt

@@ -4,7 +4,7 @@ set(modules
   AddParMETISFlags.cmake
   AddPTScotchFlags.cmake
   AddUMFPackFlags.cmake
-  CheckCXX11Features.cmake
+  CheckCXXFeatures.cmake
   DuneBoost.cmake
   DuneCMakePackageConfigHelpers.cmake
   DuneCommonMacros.cmake

cmake/modules/DuneMacros.cmake

@@ -619,8 +619,8 @@ macro(dune_project)
     endif (APPLE)
   endif(DUNE_USE_ONLY_STATIC_LIBS)
 
-  # set required compiler flags for C++11 (former C++0x)
-  include(CheckCXX11Features)
+  # check for C++ features, set compiler flags for C++14 or C++11 mode
+  include(CheckCXXFeatures)
 
   include(DuneCxaDemangle)
 

cmake/modules/Makefile.am

@@ -4,7 +4,7 @@ MODULES = \
   AddParMETISFlags.cmake   \
   AddPTScotchFlags.cmake   \
   AddUMFPackFlags.cmake    \
-  CheckCXX11Features.cmake \
+  CheckCXXFeatures.cmake   \
   DuneBoost.cmake \
   DuneCMakePackageConfigHelpers.cmake \
   DuneCommonMacros.cmake  \