To install DustemWrap on your machine:

1/ If you do not have IDL, install GDL from https://github.com/gnudatalanguage/gdl

2/ If not already done, download dustem4.3_wk (https://owncloud.ias.u-psud.fr/index.php/s/AoFA2bzBwcQzmEK)
   Note that 4/ assumes that you have put the above in $HOME/Soft_Libraries/dustem4.3_wk

3/ set CHARACTER (len=100) ::  data_path=’/tmp/Dustem/’ in Fortran file $HOME/Soft_Libraries/dustem4.3_wk/src/DM_constants.f90
   compile the fortran dustem :
   cd $HOME/Soft_Libraries/dustem4.3_wk/src
   make clean
   make

3/ get the DustemWrap IDL/GDL code from https://gitlab.irap.omp.eu/OV-GSO-DC/dustem-wrapper_idl.git
   Note that 4/ assumes that you have installed the above in $HOME/Soft_Libraries/dustem-wrapper_idl

4/ copy the files idl_startup and/or gdl_startup from $HOME/Soft_Libraries/dustem-wrapper_idl to your home directory
   (if you already have your own startup files, you may want to save those somewhere else)
   If your directory tree is different from described in 2/ and 3/ , modify idl_startup and/or gdl_startup accordingly.

5/ open idl or gdl and type
   dustem_run_readme
   if successful type
   dustem_fit_sed_readme