[FLASH-USERS] Issues Running make in FLASH on Ubuntu (WSL)

[Sutcliffe, Graeme]

Hi Ruhaan,

Try the solution found here
https://flash.rochester.edu/pipermail/flash-users/2023-June/004054.html

Good luck!
Graeme
________________________________
From: flash-users <flash-users-bounces at flash.rochester.edu> on behalf of Ruhaan Gupta <ruhaangupta3 at gmail.com>
Sent: Wednesday, January 29, 2025 4:48 PM
To: flash-users at flash.rochester.edu <flash-users at flash.rochester.edu>
Subject: [FLASH-USERS] Issues Running make in FLASH on Ubuntu (WSL)

Hello Flash users,

I’m running FLASH4.8 on Ubuntu (WSL) on my Windows laptop and encountering persistent issues with make. I believe I have the necessary libraries installed:

sudo apt install libopenmpi-dev libhdf5-openmpi-dev openmpi-bin gfortran python3 (and i've installed PnetCDF)

In my Makefile.h (inside the object directory), I have set:
MPI_PATH = /usr
HDF5_PATH = /usr/local/hdf5

The first error I encounter is:
f951: Fatal Error: Reading module ‘iso_c_binding.mod’ at line 1 column 1: Unexpected EOF

I temporarily bypass this by commenting out the fake existence of iso_c_binding, but then I run into:

  536 |   call MPI_Bcast(dtMinLoc(1), 5, MPI_INTEGER, pgmin, dr_globalComm, error)
      |                 2
......
  544 |      call MPI_Bcast(extraHydroInfo, 1, FLASH_REAL, pgmin, dr_globalComm, error)
      |                    1
Error: Type mismatch between actual argument at (1) and actual argument at (2) (REAL(8)/INTEGER(4)).
Driver_computeDt.F90:549:20:

  536 |   call MPI_Bcast(dtMinLoc(1), 5, MPI_INTEGER, pgmin, dr_globalComm, error)
      |                 2
......
  549 |      call MPI_Bcast(extraHydroInfo, 1, FLASH_REAL, pgmin, dr_globalComm, error)
      |                    1
Error: Type mismatch between actual argument at (1) and actual argument at (2) (REAL(8)/INTEGER(4)).
make: *** [Makefile:132: Driver_computeDt.o] Error 1

Then, I fix this error by replacing the FLASH_REAL with MPI_DOUBLE_PRECISION in Driver_computeDt.F90. However, it just leads to more errors. As I try to fix each error, I end up getting more errors.

Is there something that I am doing wrong with the whole set up process? Is it normal to manually fix multiple errors to run 'make'?

Thank you for your help!
Ruhaan
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