Added openmp_dep flags in meson.build for parallelization

Author: ManexAlkorta

Modules/Ensemble.py

@@ -3848,8 +3848,7 @@ def get_free_energy_hessian(self, include_v4 = False, get_full_hessian = True, v
 
     def get_free_energy_hessian_dev(self, include_v4 = False, get_full_hessian = True, verbose = False):
         """
-        Dev function. With the meson installation, the OpenMP parallelization is NOT WORKING!
-        With the old installation everything is fine (old_setup.py)
+        Dev function.
 
         GET THE FREE ENERGY ODD CORRECTION DEV
         ======================================

meson.build

@@ -106,10 +106,10 @@ project('python-sscha',
   # --- END OF NUMPY CONFIGURATION ---
   if openblas_dep.found()
     message('openblas environment detected correctly.')
-    list_dep = [py_dep, mpi_dep, quadmath_dep, openblas_dep, lapack_dep, blas_dep]
+    list_dep = [py_dep, mpi_dep, quadmath_dep, openblas_dep, lapack_dep, blas_dep, openmp_dep]
   else
     warning('No openblas found.')
-    list_dep = [py_dep, mpi_dep, quadmath_dep, lapack_dep, blas_dep]
+    list_dep = [py_dep, mpi_dep, quadmath_dep, lapack_dep, blas_dep, openmp_dep]
   endif
 
 # --- Common Flags ---