Merge branch '112-building-istl-solver-playground-causes-compile-time-error' into 'master'

Resolve "Building istl-solver-playground causes compile time error"

Closes #112

See merge request core/dune-istl!541

src/istl-solver-playground.cc

@@ -101,7 +101,11 @@ int main(int argc, char** argv){
   }
 
   if(config.get("FP_EXCEPT", false))
+#if defined( __APPLE__ ) or defined( __MINGW32__ )
+    DUNE_THROW(NotImplemented, "Floating exceptions handling are not available on this system");
+#else
      feenableexcept(FE_DIVBYZERO | FE_INVALID | FE_OVERFLOW);// | FE_UNDERFLOW);
+#endif
 
   int verbose = config.get("verbose", 1);
   if(mpihelper.rank() > 0)