Merge branch 'issue/cmake-blas-lapack-cmake-push-check-state' into 'master'

Add missing includes CMakePushCheckState and FeatureSummary

See merge request !1047

cmake/modules/AddBLASLapackFlags.cmake

@@ -11,6 +11,7 @@
 #
 include_guard(GLOBAL)
 
+include(FeatureSummary)
 set_package_properties("BLAS" PROPERTIES
   DESCRIPTION "fast linear algebra routines")
 set_package_properties("LAPACK" PROPERTIES
@@ -23,6 +24,8 @@ set(HAVE_LAPACK ${LAPACK_FOUND})
 # register Lapack library as dune package
 if(HAVE_LAPACK)
   dune_register_package_flags(LIBRARIES "${LAPACK_LIBRARIES}")
+
+  include(CMakePushCheckState)
   cmake_push_check_state()
   set(CMAKE_REQUIRED_LIBRARIES ${LAPACK_LIBRARIES})
   check_function_exists("dsyev_" LAPACK_NEEDS_UNDERLINE)