fixing use for new Intel Fortran

visibility of use associated entities can now be limited

src/grid/spectral_utilities.f90

@@ -5,6 +5,7 @@
 !--------------------------------------------------------------------------------------------------
 module spectral_utilities
   use, intrinsic :: iso_c_binding
+
 #include <petsc/finclude/petscsys.h>
   use PETScSys
 
@@ -14,6 +15,7 @@ module spectral_utilities
   use math
   use rotations
   use IO
+  use config
   use discretization_grid
   use discretization
   use homogenization

src/math.f90

@@ -17,8 +17,8 @@ module math
 #if __INTEL_COMPILER >= 1900
   ! do not make use associated entities available to other modules
   private :: &
-    prec, &
-    IO
+    IO, &
+    config
 #endif
 
   real(pReal),    parameter :: PI = acos(-1.0_pReal)                                                !< ratio of a circle's circumference to its diameter

src/mesh/FEM_utilities.f90

@@ -12,11 +12,11 @@ module FEM_utilities
   use PETScis
   
   use prec
-  use FEsolving
-  use homogenization
   use config
   use math
+  use IO
   use discretization_mesh
+  use homogenization
 
   implicit none
   private