[Bug fortran/52846] [F2008] Support submodules

[sfilippone at uniroma2 dot it]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52846

--- Comment #9 from Salvatore Filippone <sfilippone at uniroma2 dot it> ---
(In reply to Salvatore Filippone from comment #8)
> (In reply to Paul Thomas from comment #7)
> Salvatore

Spoke too quickly: I get this linker error

ppde3d.f90:(.text+0x9d0): undefined reference to
`__psb_error_mod_MOD_psb_perror'
../../lib/libpsb_prec.a(psb_dilu_fct.o): In function `psb_dilu_fct_':
psb_dilu_fct.f90:(.text+0x6a0): undefined reference to
`__psb_error_mod_MOD_psb_serror'
psb_dilu_fct.f90:(.text+0x21db): undefined reference to
`__psb_error_mod_MOD_psb_serror'


whereas the relevant implementation submodule shows:
0000000000000000 T __psb_error_impl_mod_MOD_psb_perror
0000000000000220 T __psb_error_impl_mod_MOD_psb_serror

i.e. the name mangling is going wrong.
Salvatore